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-rw-r--r--arch/arm/mach-tegra/Kconfig10
-rw-r--r--arch/arm/mach-tegra/Makefile10
-rw-r--r--arch/arm/mach-tegra/apbio.c145
-rw-r--r--arch/arm/mach-tegra/apbio.h (renamed from arch/arm/mach-tegra/include/mach/system.h)29
-rw-r--r--arch/arm/mach-tegra/board-dt-tegra20.c6
-rw-r--r--arch/arm/mach-tegra/board-dt-tegra30.c26
-rw-r--r--arch/arm/mach-tegra/board-harmony-pinmux.c6
-rw-r--r--arch/arm/mach-tegra/board-harmony-power.c18
-rw-r--r--arch/arm/mach-tegra/board-harmony.c2
-rw-r--r--arch/arm/mach-tegra/board-seaboard.c5
-rw-r--r--arch/arm/mach-tegra/clock.c22
-rw-r--r--arch/arm/mach-tegra/clock.h15
-rw-r--r--arch/arm/mach-tegra/common.c26
-rw-r--r--arch/arm/mach-tegra/cpu-tegra.c1
-rw-r--r--arch/arm/mach-tegra/cpuidle.c107
-rw-r--r--arch/arm/mach-tegra/dma.c128
-rw-r--r--arch/arm/mach-tegra/flowctrl.c62
-rw-r--r--arch/arm/mach-tegra/flowctrl.h42
-rw-r--r--arch/arm/mach-tegra/fuse.c113
-rw-r--r--arch/arm/mach-tegra/fuse.h38
-rw-r--r--arch/arm/mach-tegra/headsmp.S167
-rw-r--r--arch/arm/mach-tegra/hotplug.c1
-rw-r--r--arch/arm/mach-tegra/include/mach/clk.h10
-rw-r--r--arch/arm/mach-tegra/include/mach/debug-macro.S89
-rw-r--r--arch/arm/mach-tegra/include/mach/entry-macro.S20
-rw-r--r--arch/arm/mach-tegra/include/mach/gpio-tegra.h2
-rw-r--r--arch/arm/mach-tegra/include/mach/io.h49
-rw-r--r--arch/arm/mach-tegra/include/mach/iomap.h48
-rw-r--r--arch/arm/mach-tegra/include/mach/irammap.h35
-rw-r--r--arch/arm/mach-tegra/include/mach/irqs.h7
-rw-r--r--arch/arm/mach-tegra/include/mach/kbc.h13
-rw-r--r--arch/arm/mach-tegra/include/mach/pinconf-tegra.h63
-rw-r--r--arch/arm/mach-tegra/include/mach/powergate.h15
-rw-r--r--arch/arm/mach-tegra/include/mach/smmu.h63
-rw-r--r--arch/arm/mach-tegra/include/mach/uncompress.h120
-rw-r--r--arch/arm/mach-tegra/include/mach/usb_phy.h2
-rw-r--r--arch/arm/mach-tegra/io.c1
-rw-r--r--arch/arm/mach-tegra/irq.c20
-rw-r--r--arch/arm/mach-tegra/localtimer.c26
-rw-r--r--arch/arm/mach-tegra/pcie.c22
-rw-r--r--arch/arm/mach-tegra/platsmp.c137
-rw-r--r--arch/arm/mach-tegra/pmc.c76
-rw-r--r--arch/arm/mach-tegra/pmc.h23
-rw-r--r--arch/arm/mach-tegra/powergate.c53
-rw-r--r--arch/arm/mach-tegra/reset.c84
-rw-r--r--arch/arm/mach-tegra/reset.h50
-rw-r--r--arch/arm/mach-tegra/sleep.S93
-rw-r--r--arch/arm/mach-tegra/tegra2_clocks.c32
-rw-r--r--arch/arm/mach-tegra/tegra2_emc.c224
-rw-r--r--arch/arm/mach-tegra/tegra2_emc.h11
-rw-r--r--arch/arm/mach-tegra/tegra30_clocks.c3099
-rw-r--r--arch/arm/mach-tegra/timer.c22
-rw-r--r--arch/arm/mach-tegra/usb_phy.c15
53 files changed, 5130 insertions, 373 deletions
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 46b6839e5b2..d0f2546706c 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -7,8 +7,10 @@ config ARCH_TEGRA_2x_SOC
select CPU_V7
select ARM_GIC
select ARCH_REQUIRE_GPIOLIB
+ select PINCTRL
+ select PINCTRL_TEGRA20
select USB_ARCH_HAS_EHCI if USB_SUPPORT
- select USB_ULPI if USB_SUPPORT
+ select USB_ULPI if USB
select USB_ULPI_VIEWPORT if USB_SUPPORT
select ARM_ERRATA_720789
select ARM_ERRATA_742230
@@ -17,6 +19,7 @@ config ARCH_TEGRA_2x_SOC
select ARM_ERRATA_764369
select PL310_ERRATA_727915 if CACHE_L2X0
select PL310_ERRATA_769419 if CACHE_L2X0
+ select CPU_FREQ_TABLE if CPU_FREQ
help
Support for NVIDIA Tegra AP20 and T20 processors, based on the
ARM CortexA9MP CPU and the ARM PL310 L2 cache controller
@@ -26,8 +29,10 @@ config ARCH_TEGRA_3x_SOC
select CPU_V7
select ARM_GIC
select ARCH_REQUIRE_GPIOLIB
+ select PINCTRL
+ select PINCTRL_TEGRA30
select USB_ARCH_HAS_EHCI if USB_SUPPORT
- select USB_ULPI if USB_SUPPORT
+ select USB_ULPI if USB
select USB_ULPI_VIEWPORT if USB_SUPPORT
select USE_OF
select ARM_ERRATA_743622
@@ -35,6 +40,7 @@ config ARCH_TEGRA_3x_SOC
select ARM_ERRATA_754322
select ARM_ERRATA_764369
select PL310_ERRATA_769419 if CACHE_L2X0
+ select CPU_FREQ_TABLE if CPU_FREQ
help
Support for NVIDIA Tegra T30 processor family, based on the
ARM CortexA9MP CPU and the ARM PL310 L2 cache controller
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index e120ff54f66..d87d968115e 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -7,15 +7,21 @@ obj-y += clock.o
obj-y += timer.o
obj-y += pinmux.o
obj-y += fuse.o
+obj-y += pmc.o
+obj-y += flowctrl.o
+obj-$(CONFIG_CPU_IDLE) += cpuidle.o
+obj-$(CONFIG_CPU_IDLE) += sleep.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += powergate.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += pinmux-tegra20-tables.o
obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += pinmux-tegra30-tables.o
obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += board-dt-tegra30.o
-obj-$(CONFIG_SMP) += platsmp.o localtimer.o headsmp.o
+obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o
+obj-$(CONFIG_SMP) += platsmp.o headsmp.o
+obj-$(CONFIG_SMP) += reset.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
-obj-$(CONFIG_TEGRA_SYSTEM_DMA) += dma.o
+obj-$(CONFIG_TEGRA_SYSTEM_DMA) += dma.o apbio.o
obj-$(CONFIG_CPU_FREQ) += cpu-tegra.o
obj-$(CONFIG_TEGRA_PCI) += pcie.o
obj-$(CONFIG_USB_SUPPORT) += usb_phy.o
diff --git a/arch/arm/mach-tegra/apbio.c b/arch/arm/mach-tegra/apbio.c
new file mode 100644
index 00000000000..e75451e517b
--- /dev/null
+++ b/arch/arm/mach-tegra/apbio.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2010 NVIDIA Corporation.
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/spinlock.h>
+#include <linux/completion.h>
+#include <linux/sched.h>
+#include <linux/mutex.h>
+
+#include <mach/dma.h>
+#include <mach/iomap.h>
+
+#include "apbio.h"
+
+static DEFINE_MUTEX(tegra_apb_dma_lock);
+
+static struct tegra_dma_channel *tegra_apb_dma;
+static u32 *tegra_apb_bb;
+static dma_addr_t tegra_apb_bb_phys;
+static DECLARE_COMPLETION(tegra_apb_wait);
+
+bool tegra_apb_init(void)
+{
+ struct tegra_dma_channel *ch;
+
+ mutex_lock(&tegra_apb_dma_lock);
+
+ /* Check to see if we raced to setup */
+ if (tegra_apb_dma)
+ goto out;
+
+ ch = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT |
+ TEGRA_DMA_SHARED);
+
+ if (!ch)
+ goto out_fail;
+
+ tegra_apb_bb = dma_alloc_coherent(NULL, sizeof(u32),
+ &tegra_apb_bb_phys, GFP_KERNEL);
+ if (!tegra_apb_bb) {
+ pr_err("%s: can not allocate bounce buffer\n", __func__);
+ tegra_dma_free_channel(ch);
+ goto out_fail;
+ }
+
+ tegra_apb_dma = ch;
+out:
+ mutex_unlock(&tegra_apb_dma_lock);
+ return true;
+
+out_fail:
+ mutex_unlock(&tegra_apb_dma_lock);
+ return false;
+}
+
+static void apb_dma_complete(struct tegra_dma_req *req)
+{
+ complete(&tegra_apb_wait);
+}
+
+u32 tegra_apb_readl(unsigned long offset)
+{
+ struct tegra_dma_req req;
+ int ret;
+
+ if (!tegra_apb_dma && !tegra_apb_init())
+ return readl(IO_TO_VIRT(offset));
+
+ mutex_lock(&tegra_apb_dma_lock);
+ req.complete = apb_dma_complete;
+ req.to_memory = 1;
+ req.dest_addr = tegra_apb_bb_phys;
+ req.dest_bus_width = 32;
+ req.dest_wrap = 1;
+ req.source_addr = offset;
+ req.source_bus_width = 32;
+ req.source_wrap = 4;
+ req.req_sel = TEGRA_DMA_REQ_SEL_CNTR;
+ req.size = 4;
+
+ INIT_COMPLETION(tegra_apb_wait);
+
+ tegra_dma_enqueue_req(tegra_apb_dma, &req);
+
+ ret = wait_for_completion_timeout(&tegra_apb_wait,
+ msecs_to_jiffies(50));
+
+ if (WARN(ret == 0, "apb read dma timed out")) {
+ tegra_dma_dequeue_req(tegra_apb_dma, &req);
+ *(u32 *)tegra_apb_bb = 0;
+ }
+
+ mutex_unlock(&tegra_apb_dma_lock);
+ return *((u32 *)tegra_apb_bb);
+}
+
+void tegra_apb_writel(u32 value, unsigned long offset)
+{
+ struct tegra_dma_req req;
+ int ret;
+
+ if (!tegra_apb_dma && !tegra_apb_init()) {
+ writel(value, IO_TO_VIRT(offset));
+ return;
+ }
+
+ mutex_lock(&tegra_apb_dma_lock);
+ *((u32 *)tegra_apb_bb) = value;
+ req.complete = apb_dma_complete;
+ req.to_memory = 0;
+ req.dest_addr = offset;
+ req.dest_wrap = 4;
+ req.dest_bus_width = 32;
+ req.source_addr = tegra_apb_bb_phys;
+ req.source_bus_width = 32;
+ req.source_wrap = 1;
+ req.req_sel = TEGRA_DMA_REQ_SEL_CNTR;
+ req.size = 4;
+
+ INIT_COMPLETION(tegra_apb_wait);
+
+ tegra_dma_enqueue_req(tegra_apb_dma, &req);
+
+ ret = wait_for_completion_timeout(&tegra_apb_wait,
+ msecs_to_jiffies(50));
+
+ if (WARN(ret == 0, "apb write dma timed out"))
+ tegra_dma_dequeue_req(tegra_apb_dma, &req);
+
+ mutex_unlock(&tegra_apb_dma_lock);
+}
diff --git a/arch/arm/mach-tegra/include/mach/system.h b/arch/arm/mach-tegra/apbio.h
index a312988bf6f..8b49e8c89a6 100644
--- a/arch/arm/mach-tegra/include/mach/system.h
+++ b/arch/arm/mach-tegra/apbio.h
@@ -1,12 +1,7 @@
/*
- * arch/arm/mach-tegra/include/mach/system.h
- *
+ * Copyright (C) 2010 NVIDIA Corporation.
* Copyright (C) 2010 Google, Inc.
*
- * Author:
- * Colin Cross <ccross@google.com>
- * Erik Gilling <konkers@google.com>
- *
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
@@ -18,11 +13,27 @@
*
*/
-#ifndef __MACH_TEGRA_SYSTEM_H
-#define __MACH_TEGRA_SYSTEM_H
+#ifndef __MACH_TEGRA_APBIO_H
+#define __MACH_TEGRA_APBIO_H
+
+#ifdef CONFIG_TEGRA_SYSTEM_DMA
+
+u32 tegra_apb_readl(unsigned long offset);
+void tegra_apb_writel(u32 value, unsigned long offset);
+
+#else
+#include <asm/io.h>
+#include <mach/io.h>
-static inline void arch_idle(void)
+static inline u32 tegra_apb_readl(unsigned long offset)
{
+ return readl(IO_TO_VIRT(offset));
}
+static inline void tegra_apb_writel(u32 value, unsigned long offset)
+{
+ writel(value, IO_TO_VIRT(offset));
+}
+#endif
+
#endif
diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c
index 7cd34565a2d..0952494f481 100644
--- a/arch/arm/mach-tegra/board-dt-tegra20.c
+++ b/arch/arm/mach-tegra/board-dt-tegra20.c
@@ -131,11 +131,7 @@ static void __init tegra_dt_init(void)
}
static const char *tegra20_dt_board_compat[] = {
- "compulab,trimslice",
- "nvidia,harmony",
- "compal,paz00",
- "nvidia,seaboard",
- "nvidia,ventana",
+ "nvidia,tegra20",
NULL
};
diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c
index 3c197e2440b..5f7c03e972f 100644
--- a/arch/arm/mach-tegra/board-dt-tegra30.c
+++ b/arch/arm/mach-tegra/board-dt-tegra30.c
@@ -34,20 +34,42 @@
#include <asm/hardware/gic.h>
#include "board.h"
+#include "clock.h"
static struct of_device_id tegra_dt_match_table[] __initdata = {
{ .compatible = "simple-bus", },
{}
};
+struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000000, "sdhci-tegra.0", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000200, "sdhci-tegra.1", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000400, "sdhci-tegra.2", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000600, "sdhci-tegra.3", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C000, "tegra-i2c.0", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C400, "tegra-i2c.1", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C500, "tegra-i2c.2", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C700, "tegra-i2c.3", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000D000, "tegra-i2c.4", NULL),
+ {}
+};
+
+static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = {
+ /* name parent rate enabled */
+ { "uarta", "pll_p", 408000000, true },
+ { NULL, NULL, 0, 0},
+};
+
static void __init tegra30_dt_init(void)
{
+ tegra_clk_init_from_table(tegra_dt_clk_init_table);
+
of_platform_populate(NULL, tegra_dt_match_table,
- NULL, NULL);
+ tegra30_auxdata_lookup, NULL);
}
static const char *tegra30_dt_board_compat[] = {
- "nvidia,cardhu",
+ "nvidia,tegra30",
NULL
};
diff --git a/arch/arm/mach-tegra/board-harmony-pinmux.c b/arch/arm/mach-tegra/board-harmony-pinmux.c
index 465808c8ac0..1af85bccc0f 100644
--- a/arch/arm/mach-tegra/board-harmony-pinmux.c
+++ b/arch/arm/mach-tegra/board-harmony-pinmux.c
@@ -53,7 +53,7 @@ static struct tegra_pingroup_config harmony_pinmux[] = {
{TEGRA_PINGROUP_GME, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_GPU, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_GPU7, TEGRA_MUX_RTCK, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
- {TEGRA_PINGROUP_GPV, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_GPV, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_HDINT, TEGRA_MUX_HDMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_I2CP, TEGRA_MUX_I2C, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_IRRX, TEGRA_MUX_UARTA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
@@ -112,10 +112,10 @@ static struct tegra_pingroup_config harmony_pinmux[] = {
{TEGRA_PINGROUP_SDC, TEGRA_MUX_PWM, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SDD, TEGRA_MUX_PWM, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SDIO1, TEGRA_MUX_SDIO1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
- {TEGRA_PINGROUP_SLXA, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SLXA, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SLXC, TEGRA_MUX_SPDIF, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SLXD, TEGRA_MUX_SPDIF, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
- {TEGRA_PINGROUP_SLXK, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SLXK, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SPDI, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPDO, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPIA, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c
index 21d1285731b..82f32300796 100644
--- a/arch/arm/mach-tegra/board-harmony-power.c
+++ b/arch/arm/mach-tegra/board-harmony-power.c
@@ -18,31 +18,27 @@
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
-#include <linux/io.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps6586x.h>
-#include <mach/iomap.h>
#include <mach/irqs.h>
#include "board-harmony.h"
-#define PMC_CTRL 0x0
-#define PMC_CTRL_INTR_LOW (1 << 17)
-
static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
REGULATOR_SUPPLY("pex_clk", NULL),
};
static struct regulator_init_data ldo0_data = {
.constraints = {
- .min_uV = 1250 * 1000,
+ .min_uV = 3300 * 1000,
.max_uV = 3300 * 1000,
.valid_modes_mask = (REGULATOR_MODE_NORMAL |
REGULATOR_MODE_STANDBY),
.valid_ops_mask = (REGULATOR_CHANGE_MODE |
REGULATOR_CHANGE_STATUS |
REGULATOR_CHANGE_VOLTAGE),
+ .apply_uV = 1,
},
.num_consumer_supplies = ARRAY_SIZE(tps658621_ldo0_supply),
.consumer_supplies = tps658621_ldo0_supply,
@@ -114,16 +110,6 @@ static struct i2c_board_info __initdata harmony_regulators[] = {
int __init harmony_regulator_init(void)
{
- void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
- u32 pmc_ctrl;
-
- /*
- * Configure the power management controller to trigger PMU
- * interrupts when low
- */
- pmc_ctrl = readl(pmc + PMC_CTRL);
- writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);
-
i2c_register_board_info(3, harmony_regulators, 1);
return 0;
diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c
index 789bdc9e8f9..c00aadb01e0 100644
--- a/arch/arm/mach-tegra/board-harmony.c
+++ b/arch/arm/mach-tegra/board-harmony.c
@@ -101,7 +101,6 @@ static struct wm8903_platform_data harmony_wm8903_pdata = {
static struct i2c_board_info __initdata wm8903_board_info = {
I2C_BOARD_INFO("wm8903", 0x1a),
.platform_data = &harmony_wm8903_pdata,
- .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
};
static void __init harmony_i2c_init(void)
@@ -111,6 +110,7 @@ static void __init harmony_i2c_init(void)
platform_device_register(&tegra_i2c_device3);
platform_device_register(&tegra_i2c_device4);
+ wm8903_board_info.irq = gpio_to_irq(TEGRA_GPIO_CDC_IRQ);
i2c_register_board_info(0, &wm8903_board_info, 1);
}
diff --git a/arch/arm/mach-tegra/board-seaboard.c b/arch/arm/mach-tegra/board-seaboard.c
index ebac65f5251..d669847f048 100644
--- a/arch/arm/mach-tegra/board-seaboard.c
+++ b/arch/arm/mach-tegra/board-seaboard.c
@@ -159,7 +159,6 @@ static struct platform_device *seaboard_devices[] __initdata = {
static struct i2c_board_info __initdata isl29018_device = {
I2C_BOARD_INFO("isl29018", 0x44),
- .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_ISL29018_IRQ),
};
static struct i2c_board_info __initdata adt7461_device = {
@@ -183,7 +182,6 @@ static struct wm8903_platform_data wm8903_pdata = {
static struct i2c_board_info __initdata wm8903_device = {
I2C_BOARD_INFO("wm8903", 0x1a),
.platform_data = &wm8903_pdata,
- .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
};
static int seaboard_ehci_init(void)
@@ -214,7 +212,10 @@ static void __init seaboard_i2c_init(void)
gpio_request(TEGRA_GPIO_ISL29018_IRQ, "isl29018");
gpio_direction_input(TEGRA_GPIO_ISL29018_IRQ);
+ isl29018_device.irq = gpio_to_irq(TEGRA_GPIO_ISL29018_IRQ);
i2c_register_board_info(0, &isl29018_device, 1);
+
+ wm8903_device.irq = gpio_to_irq(TEGRA_GPIO_CDC_IRQ);
i2c_register_board_info(0, &wm8903_device, 1);
i2c_register_board_info(3, &adt7461_device, 1);
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
index 8337068a4ab..8dad8d18cb4 100644
--- a/arch/arm/mach-tegra/clock.c
+++ b/arch/arm/mach-tegra/clock.c
@@ -399,6 +399,28 @@ void tegra_periph_reset_assert(struct clk *c)
}
EXPORT_SYMBOL(tegra_periph_reset_assert);
+/* Several extended clock configuration bits (e.g., clock routing, clock
+ * phase control) are included in PLL and peripheral clock source
+ * registers. */
+int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&c->spinlock, flags);
+
+ if (!c->ops || !c->ops->clk_cfg_ex) {
+ ret = -ENOSYS;
+ goto out;
+ }
+ ret = c->ops->clk_cfg_ex(c, p, setting);
+
+out:
+ spin_unlock_irqrestore(&c->spinlock, flags);
+
+ return ret;
+}
+
#ifdef CONFIG_DEBUG_FS
static int __clk_lock_all_spinlocks(void)
diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h
index 5c44106616c..bc300657deb 100644
--- a/arch/arm/mach-tegra/clock.h
+++ b/arch/arm/mach-tegra/clock.h
@@ -24,6 +24,8 @@
#include <linux/list.h>
#include <linux/spinlock.h>
+#include <mach/clk.h>
+
#define DIV_BUS (1 << 0)
#define DIV_U71 (1 << 1)
#define DIV_U71_FIXED (1 << 2)
@@ -39,7 +41,16 @@
#define PERIPH_MANUAL_RESET (1 << 12)
#define PLL_ALT_MISC_REG (1 << 13)
#define PLLU (1 << 14)
+#define PLLX (1 << 15)
+#define MUX_PWM (1 << 16)
+#define MUX8 (1 << 17)
+#define DIV_U71_UART (1 << 18)
+#define MUX_CLK_OUT (1 << 19)
+#define PLLM (1 << 20)
+#define DIV_U71_INT (1 << 21)
+#define DIV_U71_IDLE (1 << 22)
#define ENABLE_ON_INIT (1 << 28)
+#define PERIPH_ON_APB (1 << 29)
struct clk;
@@ -65,6 +76,8 @@ struct clk_ops {
int (*set_rate)(struct clk *, unsigned long);
long (*round_rate)(struct clk *, unsigned long);
void (*reset)(struct clk *, bool);
+ int (*clk_cfg_ex)(struct clk *,
+ enum tegra_clk_ex_param, u32);
};
enum clk_state {
@@ -114,6 +127,7 @@ struct clk {
unsigned long vco_max;
const struct clk_pll_freq_table *freq_table;
int lock_delay;
+ unsigned long fixed_rate;
} pll;
struct {
u32 sel;
@@ -146,6 +160,7 @@ struct tegra_clk_init_table {
};
void tegra2_init_clocks(void);
+void tegra30_init_clocks(void);
void clk_init(struct clk *clk);
struct clk *tegra_get_clock_by_name(const char *name);
int clk_reparent(struct clk *c, struct clk *parent);
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index a2eb90169ae..22df10fb997 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -27,11 +27,29 @@
#include <asm/hardware/gic.h>
#include <mach/iomap.h>
-#include <mach/system.h>
+#include <mach/powergate.h>
#include "board.h"
#include "clock.h"
#include "fuse.h"
+#include "pmc.h"
+
+/*
+ * Storage for debug-macro.S's state.
+ *
+ * This must be in .data not .bss so that it gets initialized each time the
+ * kernel is loaded. The data is declared here rather than debug-macro.S so
+ * that multiple inclusions of debug-macro.S point at the same data.
+ */
+#define TEGRA_DEBUG_UART_OFFSET (TEGRA_DEBUG_UART_BASE & 0xFFFF)
+u32 tegra_uart_config[3] = {
+ /* Debug UART initialization required */
+ 1,
+ /* Debug UART physical address */
+ (u32)(IO_APB_PHYS + TEGRA_DEBUG_UART_OFFSET),
+ /* Debug UART virtual address */
+ (u32)(IO_APB_VIRT + TEGRA_DEBUG_UART_OFFSET),
+};
#ifdef CONFIG_OF
static const struct of_device_id tegra_dt_irq_match[] __initconst = {
@@ -100,11 +118,17 @@ void __init tegra20_init_early(void)
tegra2_init_clocks();
tegra_clk_init_from_table(tegra20_clk_init_table);
tegra_init_cache(0x331, 0x441);
+ tegra_pmc_init();
+ tegra_powergate_init();
}
#endif
#ifdef CONFIG_ARCH_TEGRA_3x_SOC
void __init tegra30_init_early(void)
{
+ tegra_init_fuse();
+ tegra30_init_clocks();
tegra_init_cache(0x441, 0x551);
+ tegra_pmc_init();
+ tegra_powergate_init();
}
#endif
diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c
index bb5ce39b733..7a065f0cf63 100644
--- a/arch/arm/mach-tegra/cpu-tegra.c
+++ b/arch/arm/mach-tegra/cpu-tegra.c
@@ -30,7 +30,6 @@
#include <linux/io.h>
#include <linux/suspend.h>
-#include <asm/system.h>
#include <mach/clk.h>
diff --git a/arch/arm/mach-tegra/cpuidle.c b/arch/arm/mach-tegra/cpuidle.c
new file mode 100644
index 00000000000..d83a8c0296f
--- /dev/null
+++ b/arch/arm/mach-tegra/cpuidle.c
@@ -0,0 +1,107 @@
+/*
+ * arch/arm/mach-tegra/cpuidle.c
+ *
+ * CPU idle driver for Tegra CPUs
+ *
+ * Copyright (c) 2010-2012, NVIDIA Corporation.
+ * Copyright (c) 2011 Google, Inc.
+ * Author: Colin Cross <ccross@android.com>
+ * Gary King <gking@nvidia.com>
+ *
+ * Rework for 3.3 by Peter De Schrijver <pdeschrijver@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/cpu.h>
+#include <linux/cpuidle.h>
+#include <linux/hrtimer.h>
+
+#include <mach/iomap.h>
+
+extern void tegra_cpu_wfi(void);
+
+static int tegra_idle_enter_lp3(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index);
+
+struct cpuidle_driver tegra_idle_driver = {
+ .name = "tegra_idle",
+ .owner = THIS_MODULE,
+ .state_count = 1,
+ .states = {
+ [0] = {
+ .enter = tegra_idle_enter_lp3,
+ .exit_latency = 10,
+ .target_residency = 10,
+ .power_usage = 600,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "LP3",
+ .desc = "CPU flow-controlled",
+ },
+ },
+};
+
+static DEFINE_PER_CPU(struct cpuidle_device, tegra_idle_device);
+
+static int tegra_idle_enter_lp3(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index)
+{
+ ktime_t enter, exit;
+ s64 us;
+
+ local_irq_disable();
+ local_fiq_disable();
+
+ enter = ktime_get();
+
+ tegra_cpu_wfi();
+
+ exit = ktime_sub(ktime_get(), enter);
+ us = ktime_to_us(exit);
+
+ local_fiq_enable();
+ local_irq_enable();
+
+ dev->last_residency = us;
+
+ return index;
+}
+
+static int __init tegra_cpuidle_init(void)
+{
+ int ret;
+ unsigned int cpu;
+ struct cpuidle_device *dev;
+ struct cpuidle_driver *drv = &tegra_idle_driver;
+
+ ret = cpuidle_register_driver(&tegra_idle_driver);
+ if (ret) {
+ pr_err("CPUidle driver registration failed\n");
+ return ret;
+ }
+
+ for_each_possible_cpu(cpu) {
+ dev = &per_cpu(tegra_idle_device, cpu);
+ dev->cpu = cpu;
+
+ dev->state_count = drv->state_count;
+ ret = cpuidle_register_device(dev);
+ if (ret) {
+ pr_err("CPU%u: CPUidle device registration failed\n",
+ cpu);
+ return ret;
+ }
+ }
+ return 0;
+}
+device_initcall(tegra_cpuidle_init);
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c
index c0cf967e47d..abea4f6e2dd 100644
--- a/arch/arm/mach-tegra/dma.c
+++ b/arch/arm/mach-tegra/dma.c
@@ -33,6 +33,8 @@
#include <mach/iomap.h>
#include <mach/suspend.h>
+#include "apbio.h"
+
#define APB_DMA_GEN 0x000
#define GEN_ENABLE (1<<31)
@@ -50,8 +52,6 @@
#define CSR_ONCE (1<<27)
#define CSR_FLOW (1<<21)
#define CSR_REQ_SEL_SHIFT 16
-#define CSR_REQ_SEL_MASK (0x1F<<CSR_REQ_SEL_SHIFT)
-#define CSR_REQ_SEL_INVALID (31<<CSR_REQ_SEL_SHIFT)
#define CSR_WCOUNT_SHIFT 2
#define CSR_WCOUNT_MASK 0xFFFC
@@ -133,6 +133,7 @@ struct tegra_dma_channel {
static bool tegra_dma_initialized;
static DEFINE_MUTEX(tegra_dma_lock);
+static DEFINE_SPINLOCK(enable_lock);
static DECLARE_BITMAP(channel_usage, NV_DMA_MAX_CHANNELS);
static struct tegra_dma_channel dma_channels[NV_DMA_MAX_CHANNELS];
@@ -180,36 +181,94 @@ static void tegra_dma_stop(struct tegra_dma_channel *ch)
static int tegra_dma_cancel(struct tegra_dma_channel *ch)
{
- u32 csr;
unsigned long irq_flags;
spin_lock_irqsave(&ch->lock, irq_flags);
while (!list_empty(&ch->list))
list_del(ch->list.next);
- csr = readl(ch->addr + APB_DMA_CHAN_CSR);
- csr &= ~CSR_REQ_SEL_MASK;
- csr |= CSR_REQ_SEL_INVALID;
- writel(csr, ch->addr + APB_DMA_CHAN_CSR);
-
tegra_dma_stop(ch);
spin_unlock_irqrestore(&ch->lock, irq_flags);
return 0;
}
+static unsigned int get_channel_status(struct tegra_dma_channel *ch,
+ struct tegra_dma_req *req, bool is_stop_dma)
+{
+ void __iomem *addr = IO_ADDRESS(TEGRA_APB_DMA_BASE);
+ unsigned int status;
+
+ if (is_stop_dma) {
+ /*
+ * STOP the DMA and get the transfer count.
+ * Getting the transfer count is tricky.
+ * - Globally disable DMA on all channels
+ * - Read the channel's status register to know the number
+ * of pending bytes to be transfered.
+ * - Stop the dma channel
+ * - Globally re-enable DMA to resume other transfers
+ */
+ spin_lock(&enable_lock);
+ writel(0, addr + APB_DMA_GEN);
+ udelay(20);
+ status = readl(ch->addr + APB_DMA_CHAN_STA);
+ tegra_dma_stop(ch);
+ writel(GEN_ENABLE, addr + APB_DMA_GEN);
+ spin_unlock(&enable_lock);
+ if (status & STA_ISE_EOC) {
+ pr_err("Got Dma Int here clearing");
+ writel(status, ch->addr + APB_DMA_CHAN_STA);
+ }
+ req->status = TEGRA_DMA_REQ_ERROR_ABORTED;
+ } else {
+ status = readl(ch->addr + APB_DMA_CHAN_STA);
+ }
+ return status;
+}
+
+/* should be called with the channel lock held */
+static unsigned int dma_active_count(struct tegra_dma_channel *ch,
+ struct tegra_dma_req *req, unsigned int status)
+{
+ unsigned int to_transfer;
+ unsigned int req_transfer_count;
+ unsigned int bytes_transferred;
+
+ to_transfer = ((status & STA_COUNT_MASK) >> STA_COUNT_SHIFT) + 1;
+ req_transfer_count = ch->req_transfer_count + 1;
+ bytes_transferred = req_transfer_count;
+ if (status & STA_BUSY)
+ bytes_transferred -= to_transfer;
+ /*
+ * In continuous transfer mode, DMA only tracks the count of the
+ * half DMA buffer. So, if the DMA already finished half the DMA
+ * then add the half buffer to the completed count.
+ */
+ if (ch->mode & TEGRA_DMA_MODE_CONTINOUS) {
+ if (req->buffer_status == TEGRA_DMA_REQ_BUF_STATUS_HALF_FULL)
+ bytes_transferred += req_transfer_count;
+ if (status & STA_ISE_EOC)
+ bytes_transferred += req_transfer_count;
+ }
+ bytes_transferred *= 4;
+ return bytes_transferred;
+}
+
int tegra_dma_dequeue_req(struct tegra_dma_channel *ch,
struct tegra_dma_req *_req)
{
- unsigned int csr;
unsigned int status;
struct tegra_dma_req *req = NULL;
int found = 0;
unsigned long irq_flags;
- int to_transfer;
- int req_transfer_count;
+ int stop = 0;
spin_lock_irqsave(&ch->lock, irq_flags);
+
+ if (list_entry(ch->list.next, struct tegra_dma_req, node) == _req)
+ stop = 1;
+
list_for_each_entry(req, &ch->list, node) {
if (req == _req) {
list_del(&req->node);
@@ -222,47 +281,12 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch,
return 0;
}
- /* STOP the DMA and get the transfer count.
- * Getting the transfer count is tricky.
- * - Change the source selector to invalid to stop the DMA from
- * FIFO to memory.
- * - Read the status register to know the number of pending
- * bytes to be transferred.
- * - Finally stop or program the DMA to the next buffer in the
- * list.
- */
- csr = readl(ch->addr + APB_DMA_CHAN_CSR);
- csr &= ~CSR_REQ_SEL_MASK;
- csr |= CSR_REQ_SEL_INVALID;
- writel(csr, ch->addr + APB_DMA_CHAN_CSR);
-
- /* Get the transfer count */
- status = readl(ch->addr + APB_DMA_CHAN_STA);
- to_transfer = (status & STA_COUNT_MASK) >> STA_COUNT_SHIFT;
- req_transfer_count = ch->req_transfer_count;
- req_transfer_count += 1;
- to_transfer += 1;
-
- req->bytes_transferred = req_transfer_count;
-
- if (status & STA_BUSY)
- req->bytes_transferred -= to_transfer;
-
- /* In continuous transfer mode, DMA only tracks the count of the
- * half DMA buffer. So, if the DMA already finished half the DMA
- * then add the half buffer to the completed count.
- *
- * FIXME: There can be a race here. What if the req to
- * dequue happens at the same time as the DMA just moved to
- * the new buffer and SW didn't yet received the interrupt?
- */
- if (ch->mode & TEGRA_DMA_MODE_CONTINOUS)
- if (req->buffer_status == TEGRA_DMA_REQ_BUF_STATUS_HALF_FULL)
- req->bytes_transferred += req_transfer_count;
+ if (!stop)
+ goto skip_stop_dma;
- req->bytes_transferred *= 4;
+ status = get_channel_status(ch, req, true);
+ req->bytes_transferred = dma_active_count(ch, req, status);
- tegra_dma_stop(ch);
if (!list_empty(&ch->list)) {
/* if the list is not empty, queue the next request */
struct tegra_dma_req *next_req;
@@ -270,6 +294,8 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch,
typeof(*next_req), node);
tegra_dma_update_hw(ch, next_req);
}
+
+skip_stop_dma:
req->status = -TEGRA_DMA_REQ_ERROR_ABORTED;
spin_unlock_irqrestore(&ch->lock, irq_flags);
@@ -357,7 +383,7 @@ struct tegra_dma_channel *tegra_dma_allocate_channel(int mode)
int channel;
struct tegra_dma_channel *ch = NULL;
- if (WARN_ON(!tegra_dma_initialized))
+ if (!tegra_dma_initialized)
return NULL;
mutex_lock(&tegra_dma_lock);
diff --git a/arch/arm/mach-tegra/flowctrl.c b/arch/arm/mach-tegra/flowctrl.c
new file mode 100644
index 00000000000..f07488e0bd3
--- /dev/null
+++ b/arch/arm/mach-tegra/flowctrl.c
@@ -0,0 +1,62 @@
+/*
+ * arch/arm/mach-tegra/flowctrl.c
+ *
+ * functions and macros to control the flowcontroller
+ *
+ * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+
+#include <mach/iomap.h>
+
+#include "flowctrl.h"
+
+u8 flowctrl_offset_halt_cpu[] = {
+ FLOW_CTRL_HALT_CPU0_EVENTS,
+ FLOW_CTRL_HALT_CPU1_EVENTS,
+ FLOW_CTRL_HALT_CPU1_EVENTS + 8,
+ FLOW_CTRL_HALT_CPU1_EVENTS + 16,
+};
+
+u8 flowctrl_offset_cpu_csr[] = {
+ FLOW_CTRL_CPU0_CSR,
+ FLOW_CTRL_CPU1_CSR,
+ FLOW_CTRL_CPU1_CSR + 8,
+ FLOW_CTRL_CPU1_CSR + 16,
+};
+
+static void flowctrl_update(u8 offset, u32 value)
+{
+ void __iomem *addr = IO_ADDRESS(TEGRA_FLOW_CTRL_BASE) + offset;
+
+ writel(value, addr);
+
+ /* ensure the update has reached the flow controller */
+ wmb();
+ readl_relaxed(addr);
+}
+
+void flowctrl_write_cpu_csr(unsigned int cpuid, u32 value)
+{
+ return flowctrl_update(flowctrl_offset_cpu_csr[cpuid], value);
+}
+
+void flowctrl_write_cpu_halt(unsigned int cpuid, u32 value)
+{
+ return flowctrl_update(flowctrl_offset_halt_cpu[cpuid], value);
+}
diff --git a/arch/arm/mach-tegra/flowctrl.h b/arch/arm/mach-tegra/flowctrl.h
new file mode 100644
index 00000000000..19428173855
--- /dev/null
+++ b/arch/arm/mach-tegra/flowctrl.h
@@ -0,0 +1,42 @@
+/*
+ * arch/arm/mach-tegra/flowctrl.h
+ *
+ * functions and macros to control the flowcontroller
+ *
+ * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __MACH_TEGRA_FLOWCTRL_H
+#define __MACH_TEGRA_FLOWCTRL_H
+
+#define FLOW_CTRL_HALT_CPU0_EVENTS 0x0
+#define FLOW_CTRL_WAITEVENT (2 << 29)
+#define FLOW_CTRL_WAIT_FOR_INTERRUPT (4 << 29)
+#define FLOW_CTRL_JTAG_RESUME (1 << 28)
+#define FLOW_CTRL_HALT_CPU_IRQ (1 << 10)
+#define FLOW_CTRL_HALT_CPU_FIQ (1 << 8)
+#define FLOW_CTRL_CPU0_CSR 0x8
+#define FLOW_CTRL_CSR_INTR_FLAG (1 << 15)
+#define FLOW_CTRL_CSR_EVENT_FLAG (1 << 14)
+#define FLOW_CTRL_CSR_ENABLE (1 << 0)
+#define FLOW_CTRL_HALT_CPU1_EVENTS 0x14
+#define FLOW_CTRL_CPU1_CSR 0x18
+
+#ifndef __ASSEMBLY__
+void flowctrl_write_cpu_csr(unsigned int cpuid, u32 value);
+void flowctrl_write_cpu_halt(unsigned int cpuid, u32 value);
+#endif
+
+#endif
diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c
index 1fa26d9a1a6..f946d129423 100644
--- a/arch/arm/mach-tegra/fuse.c
+++ b/arch/arm/mach-tegra/fuse.c
@@ -19,66 +19,113 @@
#include <linux/kernel.h>
#include <linux/io.h>
+#include <linux/export.h>
#include <mach/iomap.h>
#include "fuse.h"
+#include "apbio.h"
#define FUSE_UID_LOW 0x108
#define FUSE_UID_HIGH 0x10c
#define FUSE_SKU_INFO 0x110
#define FUSE_SPARE_BIT 0x200
-static inline u32 fuse_readl(unsigned long offset)
+int tegra_sku_id;
+int tegra_cpu_process_id;
+int tegra_core_process_id;
+int tegra_chip_id;
+enum tegra_revision tegra_revision;
+
+/* The BCT to use at boot is specified by board straps that can be read
+ * through a APB misc register and decoded. 2 bits, i.e. 4 possible BCTs.
+ */
+int tegra_bct_strapping;
+
+#define STRAP_OPT 0x008
+#define GMI_AD0 (1 << 4)
+#define GMI_AD1 (1 << 5)
+#define RAM_ID_MASK (GMI_AD0 | GMI_AD1)
+#define RAM_CODE_SHIFT 4
+
+static const char *tegra_revision_name[TEGRA_REVISION_MAX] = {
+ [TEGRA_REVISION_UNKNOWN] = "unknown",
+ [TEGRA_REVISION_A01] = "A01",
+ [TEGRA_REVISION_A02] = "A02",
+ [TEGRA_REVISION_A03] = "A03",
+ [TEGRA_REVISION_A03p] = "A03 prime",
+ [TEGRA_REVISION_A04] = "A04",
+};
+
+static inline u32 tegra_fuse_readl(unsigned long offset)
{
- return readl(IO_TO_VIRT(TEGRA_FUSE_BASE + offset));
+ return tegra_apb_readl(TEGRA_FUSE_BASE + offset);
}
-static inline void fuse_writel(u32 value, unsigned long offset)
+static inline bool get_spare_fuse(int bit)
{
- writel(value, IO_TO_VIRT(TEGRA_FUSE_BASE + offset));
+ return tegra_fuse_readl(FUSE_SPARE_BIT + bit * 4);
+}
+
+static enum tegra_revision tegra_get_revision(u32 id)
+{
+ u32 minor_rev = (id >> 16) & 0xf;
+
+ switch (minor_rev) {
+ case 1:
+ return TEGRA_REVISION_A01;
+ case 2:
+ return TEGRA_REVISION_A02;
+ case 3:
+ if (tegra_chip_id == TEGRA20 &&
+ (get_spare_fuse(18) || get_spare_fuse(19)))
+ return TEGRA_REVISION_A03p;
+ else
+ return TEGRA_REVISION_A03;
+ case 4:
+ return TEGRA_REVISION_A04;
+ default:
+ return TEGRA_REVISION_UNKNOWN;
+ }
}
void tegra_init_fuse(void)
{
+ u32 id;
+
u32 reg = readl(IO_TO_VIRT(TEGRA_CLK_RESET_BASE + 0x48));
reg |= 1 << 28;
writel(reg, IO_TO_VIRT(TEGRA_CLK_RESET_BASE + 0x48));
- pr_info("Tegra SKU: %d CPU Process: %d Core Process: %d\n",
- tegra_sku_id(), tegra_cpu_process_id(),
- tegra_core_process_id());
-}
+ reg = tegra_fuse_readl(FUSE_SKU_INFO);
+ tegra_sku_id = reg & 0xFF;
-unsigned long long tegra_chip_uid(void)
-{
- unsigned long long lo, hi;
+ reg = tegra_fuse_readl(FUSE_SPARE_BIT);
+ tegra_cpu_process_id = (reg >> 6) & 3;
- lo = fuse_readl(FUSE_UID_LOW);
- hi = fuse_readl(FUSE_UID_HIGH);
- return (hi << 32ull) | lo;
-}
+ reg = tegra_fuse_readl(FUSE_SPARE_BIT);
+ tegra_core_process_id = (reg >> 12) & 3;
-int tegra_sku_id(void)
-{
- int sku_id;
- u32 reg = fuse_readl(FUSE_SKU_INFO);
- sku_id = reg & 0xFF;
- return sku_id;
-}
+ reg = tegra_apb_readl(TEGRA_APB_MISC_BASE + STRAP_OPT);
+ tegra_bct_strapping = (reg & RAM_ID_MASK) >> RAM_CODE_SHIFT;
-int tegra_cpu_process_id(void)
-{
- int cpu_process_id;
- u32 reg = fuse_readl(FUSE_SPARE_BIT);
- cpu_process_id = (reg >> 6) & 3;
- return cpu_process_id;
+ id = readl_relaxed(IO_ADDRESS(TEGRA_APB_MISC_BASE) + 0x804);
+ tegra_chip_id = (id >> 8) & 0xff;
+
+ tegra_revision = tegra_get_revision(id);
+
+ pr_info("Tegra Revision: %s SKU: %d CPU Process: %d Core Process: %d\n",
+ tegra_revision_name[tegra_revision],
+ tegra_sku_id, tegra_cpu_process_id,
+ tegra_core_process_id);
}
-int tegra_core_process_id(void)
+unsigned long long tegra_chip_uid(void)
{
- int core_process_id;
- u32 reg = fuse_readl(FUSE_SPARE_BIT);
- core_process_id = (reg >> 12) & 3;
- return core_process_id;
+ unsigned long long lo, hi;
+
+ lo = tegra_fuse_readl(FUSE_UID_LOW);
+ hi = tegra_fuse_readl(FUSE_UID_HIGH);
+ return (hi << 32ull) | lo;
}
+EXPORT_SYMBOL(tegra_chip_uid);
diff --git a/arch/arm/mach-tegra/fuse.h b/arch/arm/mach-tegra/fuse.h
index 584b2e27dbd..d2107b2cb85 100644
--- a/arch/arm/mach-tegra/fuse.h
+++ b/arch/arm/mach-tegra/fuse.h
@@ -1,6 +1,4 @@
/*
- * arch/arm/mach-tegra/fuse.c
- *
* Copyright (C) 2010 Google, Inc.
*
* Author:
@@ -17,8 +15,38 @@
*
*/
+#ifndef __MACH_TEGRA_FUSE_H
+#define __MACH_TEGRA_FUSE_H
+
+enum tegra_revision {
+ TEGRA_REVISION_UNKNOWN = 0,
+ TEGRA_REVISION_A01,
+ TEGRA_REVISION_A02,
+ TEGRA_REVISION_A03,
+ TEGRA_REVISION_A03p,
+ TEGRA_REVISION_A04,
+ TEGRA_REVISION_MAX,
+};
+
+#define SKU_ID_T20 8
+#define SKU_ID_T25SE 20
+#define SKU_ID_AP25 23
+#define SKU_ID_T25 24
+#define SKU_ID_AP25E 27
+#define SKU_ID_T25E 28
+
+#define TEGRA20 0x20
+#define TEGRA30 0x30
+
+extern int tegra_sku_id;
+extern int tegra_cpu_process_id;
+extern int tegra_core_process_id;
+extern int tegra_chip_id;
+extern enum tegra_revision tegra_revision;
+
+extern int tegra_bct_strapping;
+
unsigned long long tegra_chip_uid(void);
-int tegra_sku_id(void);
-int tegra_cpu_process_id(void);
-int tegra_core_process_id(void);
void tegra_init_fuse(void);
+
+#endif
diff --git a/arch/arm/mach-tegra/headsmp.S b/arch/arm/mach-tegra/headsmp.S
index b5349b2f13d..fef9c2c5137 100644
--- a/arch/arm/mach-tegra/headsmp.S
+++ b/arch/arm/mach-tegra/headsmp.S
@@ -1,6 +1,23 @@
#include <linux/linkage.h>
#include <linux/init.h>
+#include <asm/cache.h>
+
+#include <mach/iomap.h>
+
+#include "flowctrl.h"
+#include "reset.h"
+
+#define APB_MISC_GP_HIDREV 0x804
+#define PMC_SCRATCH41 0x140
+
+#define RESET_DATA(x) ((TEGRA_RESET_##x)*4)
+
+ .macro mov32, reg, val
+ movw \reg, #:lower16:\val
+ movt \reg, #:upper16:\val
+ .endm
+
.section ".text.head", "ax"
__CPUINIT
@@ -47,15 +64,149 @@ ENTRY(v7_invalidate_l1)
mov pc, lr
ENDPROC(v7_invalidate_l1)
+
ENTRY(tegra_secondary_startup)
- msr cpsr_fsxc, #0xd3
bl v7_invalidate_l1
- mrc p15, 0, r0, c0, c0, 5
- and r0, r0, #15
- ldr r1, =0x6000f100
- str r0, [r1]
-1: ldr r2, [r1]
- cmp r0, r2
- beq 1b
+ /* Enable coresight */
+ mov32 r0, 0xC5ACCE55
+ mcr p14, 0, r0, c7, c12, 6
b secondary_startup
ENDPROC(tegra_secondary_startup)
+
+ .align L1_CACHE_SHIFT
+ENTRY(__tegra_cpu_reset_handler_start)
+
+/*
+ * __tegra_cpu_reset_handler:
+ *
+ * Common handler for all CPU reset events.
+ *
+ * Register usage within the reset handler:
+ *
+ * R7 = CPU present (to the OS) mask
+ * R8 = CPU in LP1 state mask
+ * R9 = CPU in LP2 state mask
+ * R10 = CPU number
+ * R11 = CPU mask
+ * R12 = pointer to reset handler data
+ *
+ * NOTE: This code is copied to IRAM. All code and data accesses
+ * must be position-independent.
+ */
+
+ .align L1_CACHE_SHIFT
+ENTRY(__tegra_cpu_reset_handler)
+
+ cpsid aif, 0x13 @ SVC mode, interrupts disabled
+ mrc p15, 0, r10, c0, c0, 5 @ MPIDR
+ and r10, r10, #0x3 @ R10 = CPU number
+ mov r11, #1
+ mov r11, r11, lsl r10 @ R11 = CPU mask
+ adr r12, __tegra_cpu_reset_handler_data
+
+#ifdef CONFIG_SMP
+ /* Does the OS know about this CPU? */
+ ldr r7, [r12, #RESET_DATA(MASK_PRESENT)]
+ tst r7, r11 @ if !present
+ bleq __die @ CPU not present (to OS)
+#endif
+
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+ /* Are we on Tegra20? */
+ mov32 r6, TEGRA_APB_MISC_BASE
+ ldr r0, [r6, #APB_MISC_GP_HIDREV]
+ and r0, r0, #0xff00
+ cmp r0, #(0x20 << 8)
+ bne 1f
+ /* If not CPU0, don't let CPU0 reset CPU1 now that CPU1 is coming up. */
+ mov32 r6, TEGRA_PMC_BASE
+ mov r0, #0
+ cmp r10, #0
+ strne r0, [r6, #PMC_SCRATCH41]
+1:
+#endif
+
+#ifdef CONFIG_SMP
+ /*
+ * Can only be secondary boot (initial or hotplug) but CPU 0
+ * cannot be here.
+ */
+ cmp r10, #0
+ bleq __die @ CPU0 cannot be here
+ ldr lr, [r12, #RESET_DATA(STARTUP_SECONDARY)]
+ cmp lr, #0
+ bleq __die @ no secondary startup handler
+ bx lr
+#endif
+
+/*
+ * We don't know why the CPU reset. Just kill it.
+ * The LR register will contain the address we died at + 4.
+ */
+
+__die:
+ sub lr, lr, #4
+ mov32 r7, TEGRA_PMC_BASE
+ str lr, [r7, #PMC_SCRATCH41]
+
+ mov32 r7, TEGRA_CLK_RESET_BASE
+
+ /* Are we on Tegra20? */
+ mov32 r6, TEGRA_APB_MISC_BASE
+ ldr r0, [r6, #APB_MISC_GP_HIDREV]
+ and r0, r0, #0xff00
+ cmp r0, #(0x20 << 8)
+ bne 1f
+
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+ mov32 r0, 0x1111
+ mov r1, r0, lsl r10
+ str r1, [r7, #0x340] @ CLK_RST_CPU_CMPLX_SET
+#endif
+1:
+#ifdef CONFIG_ARCH_TEGRA_3x_SOC
+ mov32 r6, TEGRA_FLOW_CTRL_BASE
+
+ cmp r10, #0
+ moveq r1, #FLOW_CTRL_HALT_CPU0_EVENTS
+ moveq r2, #FLOW_CTRL_CPU0_CSR
+ movne r1, r10, lsl #3
+ addne r2, r1, #(FLOW_CTRL_CPU1_CSR-8)
+ addne r1, r1, #(FLOW_CTRL_HALT_CPU1_EVENTS-8)
+
+ /* Clear CPU "event" and "interrupt" flags and power gate
+ it when halting but not before it is in the "WFI" state. */
+ ldr r0, [r6, +r2]
+ orr r0, r0, #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
+ orr r0, r0, #FLOW_CTRL_CSR_ENABLE
+ str r0, [r6, +r2]
+
+ /* Unconditionally halt this CPU */
+ mov r0, #FLOW_CTRL_WAITEVENT
+ str r0, [r6, +r1]
+ ldr r0, [r6, +r1] @ memory barrier
+
+ dsb
+ isb
+ wfi @ CPU should be power gated here
+
+ /* If the CPU didn't power gate above just kill it's clock. */
+
+ mov r0, r11, lsl #8
+ str r0, [r7, #348] @ CLK_CPU_CMPLX_SET
+#endif
+
+ /* If the CPU still isn't dead, just spin here. */
+ b .
+ENDPROC(__tegra_cpu_reset_handler)
+
+ .align L1_CACHE_SHIFT
+ .type __tegra_cpu_reset_handler_data, %object
+ .globl __tegra_cpu_reset_handler_data
+__tegra_cpu_reset_handler_data:
+ .rept TEGRA_RESET_DATA_SIZE
+ .long 0
+ .endr
+ .align L1_CACHE_SHIFT
+
+ENTRY(__tegra_cpu_reset_handler_end)
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c
index f3294040d35..d8dc9ddd6d1 100644
--- a/arch/arm/mach-tegra/hotplug.c
+++ b/arch/arm/mach-tegra/hotplug.c
@@ -13,6 +13,7 @@
#include <linux/smp.h>
#include <asm/cacheflush.h>
+#include <asm/cp15.h>
static inline void cpu_enter_lowpower(void)
{
diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h
index fc3ecb66de0..d97e403303a 100644
--- a/arch/arm/mach-tegra/include/mach/clk.h
+++ b/arch/arm/mach-tegra/include/mach/clk.h
@@ -22,10 +22,20 @@
struct clk;
+enum tegra_clk_ex_param {
+ TEGRA_CLK_VI_INP_SEL,
+ TEGRA_CLK_DTV_INVERT,
+ TEGRA_CLK_NAND_PAD_DIV2_ENB,
+ TEGRA_CLK_PLLD_CSI_OUT_ENB,
+ TEGRA_CLK_PLLD_DSI_OUT_ENB,
+ TEGRA_CLK_PLLD_MIPI_MUX_SEL,
+};
+
void tegra_periph_reset_deassert(struct clk *c);
void tegra_periph_reset_assert(struct clk *c);
unsigned long clk_get_rate_all_locked(struct clk *c);
void tegra2_sdmmc_tap_delay(struct clk *c, int delay);
+int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting);
#endif
diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S
index 619abc63aee..8ce0661b8a3 100644
--- a/arch/arm/mach-tegra/include/mach/debug-macro.S
+++ b/arch/arm/mach-tegra/include/mach/debug-macro.S
@@ -1,11 +1,17 @@
/*
* arch/arm/mach-tegra/include/mach/debug-macro.S
*
- * Copyright (C) 2010 Google, Inc.
+ * Copyright (C) 2010,2011 Google, Inc.
+ * Copyright (C) 2011-2012 NVIDIA CORPORATION. All Rights Reserved.
*
* Author:
* Colin Cross <ccross@google.com>
* Erik Gilling <konkers@google.com>
+ * Doug Anderson <dianders@chromium.org>
+ * Stephen Warren <swarren@nvidia.com>
+ *
+ * Portions based on mach-omap2's debug-macro.S
+ * Copyright (C) 1994-1999 Russell King
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -18,18 +24,77 @@
*
*/
-#include <mach/io.h>
+#include <linux/serial_reg.h>
+
#include <mach/iomap.h>
+#include <mach/irammap.h>
+
+ .macro addruart, rp, rv, tmp
+ adr \rp, 99f @ actual addr of 99f
+ ldr \rv, [\rp] @ linked addr is stored there
+ sub \rv, \rv, \rp @ offset between the two
+ ldr \rp, [\rp, #4] @ linked tegra_uart_config
+ sub \tmp, \rp, \rv @ actual tegra_uart_config
+ ldr \rp, [\tmp] @ Load tegra_uart_config
+ cmp \rp, #1 @ needs intitialization?
+ bne 100f @ no; go load the addresses
+ mov \rv, #0 @ yes; record init is done
+ str \rv, [\tmp]
+ mov \rp, #TEGRA_IRAM_BASE @ See if cookie is in IRAM
+ ldr \rv, [\rp, #TEGRA_IRAM_DEBUG_UART_OFFSET]
+ movw \rp, #TEGRA_IRAM_DEBUG_UART_COOKIE & 0xffff
+ movt \rp, #TEGRA_IRAM_DEBUG_UART_COOKIE >> 16
+ cmp \rv, \rp @ Cookie present?
+ bne 100f @ No, use default UART
+ mov \rp, #TEGRA_IRAM_BASE @ Load UART address from IRAM
+ ldr \rv, [\rp, #TEGRA_IRAM_DEBUG_UART_OFFSET + 4]
+ str \rv, [\tmp, #4] @ Store in tegra_uart_phys
+ sub \rv, \rv, #IO_APB_PHYS @ Calculate virt address
+ add \rv, \rv, #IO_APB_VIRT
+ str \rv, [\tmp, #8] @ Store in tegra_uart_virt
+ b 100f
+
+ .align
+99: .word .
+ .word tegra_uart_config
+ .ltorg
+
+100: ldr \rp, [\tmp, #4] @ Load tegra_uart_phys
+ ldr \rv, [\tmp, #8] @ Load tegra_uart_virt
+ .endm
+
+#define UART_SHIFT 2
+
+/*
+ * Code below is swiped from <asm/hardware/debug-8250.S>, but add an extra
+ * check to make sure that we aren't in the CONFIG_TEGRA_DEBUG_UART_NONE case.
+ * We use the fact that all 5 valid UART addresses all have something in the
+ * 2nd-to-lowest byte.
+ */
- .macro addruart, rp, rv, tmp
- ldr \rp, =IO_APB_PHYS @ physical
- ldr \rv, =IO_APB_VIRT @ virtual
- orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF)
- orr \rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF00)
- orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF)
- orr \rv, \rv, #(TEGRA_DEBUG_UART_BASE & 0xFF00)
- .endm
+ .macro senduart, rd, rx
+ tst \rx, #0x0000ff00
+ strneb \rd, [\rx, #UART_TX << UART_SHIFT]
+1001:
+ .endm
-#define UART_SHIFT 2
-#include <asm/hardware/debug-8250.S>
+ .macro busyuart, rd, rx
+ tst \rx, #0x0000ff00
+ beq 1002f
+1001: ldrb \rd, [\rx, #UART_LSR << UART_SHIFT]
+ and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
+ teq \rd, #UART_LSR_TEMT | UART_LSR_THRE
+ bne 1001b
+1002:
+ .endm
+ .macro waituart, rd, rx
+#ifdef FLOW_CONTROL
+ tst \rx, #0x0000ff00
+ beq 1002f
+1001: ldrb \rd, [\rx, #UART_MSR << UART_SHIFT]
+ tst \rd, #UART_MSR_CTS
+ beq 1001b
+1002:
+#endif
+ .endm
diff --git a/arch/arm/mach-tegra/include/mach/entry-macro.S b/arch/arm/mach-tegra/include/mach/entry-macro.S
deleted file mode 100644
index e577cfe27e7..00000000000
--- a/arch/arm/mach-tegra/include/mach/entry-macro.S
+++ /dev/null
@@ -1,20 +0,0 @@
-/* arch/arm/mach-tegra/include/mach/entry-macro.S
- *
- * Copyright (C) 2009 Palm, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
- .macro disable_fiq
- .endm
-
- .macro arch_ret_to_user, tmp1, tmp2
- .endm
diff --git a/arch/arm/mach-tegra/include/mach/gpio-tegra.h b/arch/arm/mach-tegra/include/mach/gpio-tegra.h
index 87d37fdf508..6140820555e 100644
--- a/arch/arm/mach-tegra/include/mach/gpio-tegra.h
+++ b/arch/arm/mach-tegra/include/mach/gpio-tegra.h
@@ -25,8 +25,6 @@
#define TEGRA_NR_GPIOS INT_GPIO_NR
-#define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio))
-
struct tegra_gpio_table {
int gpio; /* GPIO number */
bool enable; /* Enable for GPIO at init? */
diff --git a/arch/arm/mach-tegra/include/mach/io.h b/arch/arm/mach-tegra/include/mach/io.h
index f15defffb5d..fe700f9ce7d 100644
--- a/arch/arm/mach-tegra/include/mach/io.h
+++ b/arch/arm/mach-tegra/include/mach/io.h
@@ -23,56 +23,8 @@
#define IO_SPACE_LIMIT 0xffff
-/* On TEGRA, many peripherals are very closely packed in
- * two 256MB io windows (that actually only use about 64KB
- * at the start of each).
- *
- * We will just map the first 1MB of each window (to minimize
- * pt entries needed) and provide a macro to transform physical
- * io addresses to an appropriate void __iomem *.
- *
- */
-
-#ifdef __ASSEMBLY__
-#define IOMEM(x) (x)
-#else
-#define IOMEM(x) ((void __force __iomem *)(x))
-#endif
-
-#define IO_IRAM_PHYS 0x40000000
-#define IO_IRAM_VIRT IOMEM(0xFE400000)
-#define IO_IRAM_SIZE SZ_256K
-
-#define IO_CPU_PHYS 0x50040000
-#define IO_CPU_VIRT IOMEM(0xFE000000)
-#define IO_CPU_SIZE SZ_16K
-
-#define IO_PPSB_PHYS 0x60000000
-#define IO_PPSB_VIRT IOMEM(0xFE200000)
-#define IO_PPSB_SIZE SZ_1M
-
-#define IO_APB_PHYS 0x70000000
-#define IO_APB_VIRT IOMEM(0xFE300000)
-#define IO_APB_SIZE SZ_1M
-
-#define IO_TO_VIRT_BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz)))
-#define IO_TO_VIRT_XLATE(p, pst, vst) (((p) - (pst) + (vst)))
-
-#define IO_TO_VIRT(n) ( \
- IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ? \
- IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) : \
- IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ? \
- IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) : \
- IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ? \
- IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) : \
- IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ? \
- IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) : \
- NULL)
-
#ifndef __ASSEMBLER__
-#define IO_ADDRESS(n) (IO_TO_VIRT(n))
-
#ifdef CONFIG_TEGRA_PCI
extern void __iomem *tegra_pcie_io_base;
@@ -88,7 +40,6 @@ static inline void __iomem *__io(unsigned long addr)
#endif
#define __io(a) __io(a)
-#define __mem_pci(a) (a)
#endif
diff --git a/arch/arm/mach-tegra/include/mach/iomap.h b/arch/arm/mach-tegra/include/mach/iomap.h
index 19dec3ac085..7e76da73121 100644
--- a/arch/arm/mach-tegra/include/mach/iomap.h
+++ b/arch/arm/mach-tegra/include/mach/iomap.h
@@ -74,6 +74,9 @@
#define TEGRA_QUATERNARY_ICTLR_BASE 0x60004300
#define TEGRA_QUATERNARY_ICTLR_SIZE SZ_64
+#define TEGRA_QUINARY_ICTLR_BASE 0x60004400
+#define TEGRA_QUINARY_ICTLR_SIZE SZ_64
+
#define TEGRA_TMR1_BASE 0x60005000
#define TEGRA_TMR1_SIZE SZ_8
@@ -110,6 +113,9 @@
#define TEGRA_AHB_GIZMO_BASE 0x6000C004
#define TEGRA_AHB_GIZMO_SIZE 0x10C
+#define TEGRA_SB_BASE 0x6000C200
+#define TEGRA_SB_SIZE 256
+
#define TEGRA_STATMON_BASE 0x6000C400
#define TEGRA_STATMON_SIZE SZ_1K
@@ -271,4 +277,46 @@
# define TEGRA_DEBUG_UART_BASE TEGRA_UARTE_BASE
#endif
+/* On TEGRA, many peripherals are very closely packed in
+ * two 256MB io windows (that actually only use about 64KB
+ * at the start of each).
+ *
+ * We will just map the first 1MB of each window (to minimize
+ * pt entries needed) and provide a macro to transform physical
+ * io addresses to an appropriate void __iomem *.
+ *
+ */
+
+#define IO_IRAM_PHYS 0x40000000
+#define IO_IRAM_VIRT IOMEM(0xFE400000)
+#define IO_IRAM_SIZE SZ_256K
+
+#define IO_CPU_PHYS 0x50040000
+#define IO_CPU_VIRT IOMEM(0xFE000000)
+#define IO_CPU_SIZE SZ_16K
+
+#define IO_PPSB_PHYS 0x60000000
+#define IO_PPSB_VIRT IOMEM(0xFE200000)
+#define IO_PPSB_SIZE SZ_1M
+
+#define IO_APB_PHYS 0x70000000
+#define IO_APB_VIRT IOMEM(0xFE300000)
+#define IO_APB_SIZE SZ_1M
+
+#define IO_TO_VIRT_BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz)))
+#define IO_TO_VIRT_XLATE(p, pst, vst) (((p) - (pst) + (vst)))
+
+#define IO_TO_VIRT(n) ( \
+ IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ? \
+ IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) : \
+ IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ? \
+ IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) : \
+ IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ? \
+ IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) : \
+ IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ? \
+ IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) : \
+ NULL)
+
+#define IO_ADDRESS(n) (IO_TO_VIRT(n))
+
#endif
diff --git a/arch/arm/mach-tegra/include/mach/irammap.h b/arch/arm/mach-tegra/include/mach/irammap.h
new file mode 100644
index 00000000000..0cbe6326185
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/irammap.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __MACH_TEGRA_IRAMMAP_H
+#define __MACH_TEGRA_IRAMMAP_H
+
+#include <asm/sizes.h>
+
+/* The first 1K of IRAM is permanently reserved for the CPU reset handler */
+#define TEGRA_IRAM_RESET_HANDLER_OFFSET 0
+#define TEGRA_IRAM_RESET_HANDLER_SIZE SZ_1K
+
+/*
+ * These locations are written to by uncompress.h, and read by debug-macro.S.
+ * The first word holds the cookie value if the data is valid. The second
+ * word holds the UART physical address.
+ */
+#define TEGRA_IRAM_DEBUG_UART_OFFSET SZ_1K
+#define TEGRA_IRAM_DEBUG_UART_SIZE 8
+#define TEGRA_IRAM_DEBUG_UART_COOKIE 0x55415254
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/irqs.h b/arch/arm/mach-tegra/include/mach/irqs.h
index a2146cd6867..aad1a2c1d71 100644
--- a/arch/arm/mach-tegra/include/mach/irqs.h
+++ b/arch/arm/mach-tegra/include/mach/irqs.h
@@ -165,11 +165,12 @@
#define INT_QUAD_RES_30 (INT_QUAD_BASE + 30)
#define INT_QUAD_RES_31 (INT_QUAD_BASE + 31)
-#define INT_MAIN_NR (INT_QUAD_BASE + 32 - INT_PRI_BASE)
-
+/* Tegra30 has 5 banks of 32 IRQs */
+#define INT_MAIN_NR (32 * 5)
#define INT_GPIO_BASE (INT_PRI_BASE + INT_MAIN_NR)
-#define INT_GPIO_NR (28 * 8)
+/* Tegra30 has 8 banks of 32 GPIOs */
+#define INT_GPIO_NR (32 * 8)
#define TEGRA_NR_IRQS (INT_GPIO_BASE + INT_GPIO_NR)
diff --git a/arch/arm/mach-tegra/include/mach/kbc.h b/arch/arm/mach-tegra/include/mach/kbc.h
index 20bb0545f99..a1302561293 100644
--- a/arch/arm/mach-tegra/include/mach/kbc.h
+++ b/arch/arm/mach-tegra/include/mach/kbc.h
@@ -24,20 +24,21 @@
#include <linux/types.h>
#include <linux/input/matrix_keypad.h>
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
#define KBC_MAX_GPIO 24
#define KBC_MAX_KPENT 8
-#else
-#define KBC_MAX_GPIO 20
-#define KBC_MAX_KPENT 7
-#endif
#define KBC_MAX_ROW 16
#define KBC_MAX_COL 8
#define KBC_MAX_KEY (KBC_MAX_ROW * KBC_MAX_COL)
+enum tegra_pin_type {
+ PIN_CFG_IGNORE,
+ PIN_CFG_COL,
+ PIN_CFG_ROW,
+};
+
struct tegra_kbc_pin_cfg {
- bool is_row;
+ enum tegra_pin_type type;
unsigned char num;
};
diff --git a/arch/arm/mach-tegra/include/mach/pinconf-tegra.h b/arch/arm/mach-tegra/include/mach/pinconf-tegra.h
new file mode 100644
index 00000000000..1f24d304921
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/pinconf-tegra.h
@@ -0,0 +1,63 @@
+/*
+ * pinctrl configuration definitions for the NVIDIA Tegra pinmux
+ *
+ * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef __PINCONF_TEGRA_H__
+#define __PINCONF_TEGRA_H__
+
+enum tegra_pinconf_param {
+ /* argument: tegra_pinconf_pull */
+ TEGRA_PINCONF_PARAM_PULL,
+ /* argument: tegra_pinconf_tristate */
+ TEGRA_PINCONF_PARAM_TRISTATE,
+ /* argument: Boolean */
+ TEGRA_PINCONF_PARAM_ENABLE_INPUT,
+ /* argument: Boolean */
+ TEGRA_PINCONF_PARAM_OPEN_DRAIN,
+ /* argument: Boolean */
+ TEGRA_PINCONF_PARAM_LOCK,
+ /* argument: Boolean */
+ TEGRA_PINCONF_PARAM_IORESET,
+ /* argument: Boolean */
+ TEGRA_PINCONF_PARAM_HIGH_SPEED_MODE,
+ /* argument: Boolean */
+ TEGRA_PINCONF_PARAM_SCHMITT,
+ /* argument: Boolean */
+ TEGRA_PINCONF_PARAM_LOW_POWER_MODE,
+ /* argument: Integer, range is HW-dependant */
+ TEGRA_PINCONF_PARAM_DRIVE_DOWN_STRENGTH,
+ /* argument: Integer, range is HW-dependant */
+ TEGRA_PINCONF_PARAM_DRIVE_UP_STRENGTH,
+ /* argument: Integer, range is HW-dependant */
+ TEGRA_PINCONF_PARAM_SLEW_RATE_FALLING,
+ /* argument: Integer, range is HW-dependant */
+ TEGRA_PINCONF_PARAM_SLEW_RATE_RISING,
+};
+
+enum tegra_pinconf_pull {
+ TEGRA_PINCONFIG_PULL_NONE,
+ TEGRA_PINCONFIG_PULL_DOWN,
+ TEGRA_PINCONFIG_PULL_UP,
+};
+
+enum tegra_pinconf_tristate {
+ TEGRA_PINCONFIG_DRIVEN,
+ TEGRA_PINCONFIG_TRISTATE,
+};
+
+#define TEGRA_PINCONF_PACK(_param_, _arg_) ((_param_) << 16 | (_arg_))
+#define TEGRA_PINCONF_UNPACK_PARAM(_conf_) ((_conf_) >> 16)
+#define TEGRA_PINCONF_UNPACK_ARG(_conf_) ((_conf_) & 0xffff)
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/powergate.h b/arch/arm/mach-tegra/include/mach/powergate.h
index 39c396d2ddb..4752b1a68f3 100644
--- a/arch/arm/mach-tegra/include/mach/powergate.h
+++ b/arch/arm/mach-tegra/include/mach/powergate.h
@@ -27,8 +27,21 @@
#define TEGRA_POWERGATE_VDEC 4
#define TEGRA_POWERGATE_L2 5
#define TEGRA_POWERGATE_MPE 6
-#define TEGRA_NUM_POWERGATE 7
+#define TEGRA_POWERGATE_HEG 7
+#define TEGRA_POWERGATE_SATA 8
+#define TEGRA_POWERGATE_CPU1 9
+#define TEGRA_POWERGATE_CPU2 10
+#define TEGRA_POWERGATE_CPU3 11
+#define TEGRA_POWERGATE_CELP 12
+#define TEGRA_POWERGATE_3D1 13
+#define TEGRA_POWERGATE_CPU0 TEGRA_POWERGATE_CPU
+#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D
+
+int __init tegra_powergate_init(void);
+
+int tegra_cpu_powergate_id(int cpuid);
+int tegra_powergate_is_powered(int id);
int tegra_powergate_power_on(int id);
int tegra_powergate_power_off(int id);
int tegra_powergate_remove_clamping(int id);
diff --git a/arch/arm/mach-tegra/include/mach/smmu.h b/arch/arm/mach-tegra/include/mach/smmu.h
new file mode 100644
index 00000000000..dad403a9cf0
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/smmu.h
@@ -0,0 +1,63 @@
+/*
+ * IOMMU API for SMMU in Tegra30
+ *
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MACH_SMMU_H
+#define MACH_SMMU_H
+
+enum smmu_hwgrp {
+ HWGRP_AFI,
+ HWGRP_AVPC,
+ HWGRP_DC,
+ HWGRP_DCB,
+ HWGRP_EPP,
+ HWGRP_G2,
+ HWGRP_HC,
+ HWGRP_HDA,
+ HWGRP_ISP,
+ HWGRP_MPE,
+ HWGRP_NV,
+ HWGRP_NV2,
+ HWGRP_PPCS,
+ HWGRP_SATA,
+ HWGRP_VDE,
+ HWGRP_VI,
+
+ HWGRP_COUNT,
+
+ HWGRP_END = ~0,
+};
+
+#define HWG_AFI (1 << HWGRP_AFI)
+#define HWG_AVPC (1 << HWGRP_AVPC)
+#define HWG_DC (1 << HWGRP_DC)
+#define HWG_DCB (1 << HWGRP_DCB)
+#define HWG_EPP (1 << HWGRP_EPP)
+#define HWG_G2 (1 << HWGRP_G2)
+#define HWG_HC (1 << HWGRP_HC)
+#define HWG_HDA (1 << HWGRP_HDA)
+#define HWG_ISP (1 << HWGRP_ISP)
+#define HWG_MPE (1 << HWGRP_MPE)
+#define HWG_NV (1 << HWGRP_NV)
+#define HWG_NV2 (1 << HWGRP_NV2)
+#define HWG_PPCS (1 << HWGRP_PPCS)
+#define HWG_SATA (1 << HWGRP_SATA)
+#define HWG_VDE (1 << HWGRP_VDE)
+#define HWG_VI (1 << HWGRP_VI)
+
+#endif /* MACH_SMMU_H */
diff --git a/arch/arm/mach-tegra/include/mach/uncompress.h b/arch/arm/mach-tegra/include/mach/uncompress.h
index 4e8323770c7..5a440f315e5 100644
--- a/arch/arm/mach-tegra/include/mach/uncompress.h
+++ b/arch/arm/mach-tegra/include/mach/uncompress.h
@@ -2,10 +2,14 @@
* arch/arm/mach-tegra/include/mach/uncompress.h
*
* Copyright (C) 2010 Google, Inc.
+ * Copyright (C) 2011 Google, Inc.
+ * Copyright (C) 2011-2012 NVIDIA CORPORATION. All Rights Reserved.
*
* Author:
* Colin Cross <ccross@google.com>
* Erik Gilling <konkers@google.com>
+ * Doug Anderson <dianders@chromium.org>
+ * Stephen Warren <swarren@nvidia.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -25,36 +29,130 @@
#include <linux/serial_reg.h>
#include <mach/iomap.h>
+#include <mach/irammap.h>
+
+#define BIT(x) (1 << (x))
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+#define DEBUG_UART_SHIFT 2
+
+volatile u8 *uart;
static void putc(int c)
{
- volatile u8 *uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE;
- int shift = 2;
-
if (uart == NULL)
return;
- while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
+ while (!(uart[UART_LSR << DEBUG_UART_SHIFT] & UART_LSR_THRE))
barrier();
- uart[UART_TX << shift] = c;
+ uart[UART_TX << DEBUG_UART_SHIFT] = c;
}
static inline void flush(void)
{
}
+static inline void save_uart_address(void)
+{
+ u32 *buf = (u32 *)(TEGRA_IRAM_BASE + TEGRA_IRAM_DEBUG_UART_OFFSET);
+
+ if (uart) {
+ buf[0] = TEGRA_IRAM_DEBUG_UART_COOKIE;
+ buf[1] = (u32)uart;
+ } else
+ buf[0] = 0;
+}
+
+/*
+ * Setup before decompression. This is where we do UART selection for
+ * earlyprintk and init the uart_base register.
+ */
static inline void arch_decomp_setup(void)
{
- volatile u8 *uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE;
- int shift = 2;
+ static const struct {
+ u32 base;
+ u32 reset_reg;
+ u32 clock_reg;
+ u32 bit;
+ } uarts[] = {
+ {
+ TEGRA_UARTA_BASE,
+ TEGRA_CLK_RESET_BASE + 0x04,
+ TEGRA_CLK_RESET_BASE + 0x10,
+ 6,
+ },
+ {
+ TEGRA_UARTB_BASE,
+ TEGRA_CLK_RESET_BASE + 0x04,
+ TEGRA_CLK_RESET_BASE + 0x10,
+ 7,
+ },
+ {
+ TEGRA_UARTC_BASE,
+ TEGRA_CLK_RESET_BASE + 0x08,
+ TEGRA_CLK_RESET_BASE + 0x14,
+ 23,
+ },
+ {
+ TEGRA_UARTD_BASE,
+ TEGRA_CLK_RESET_BASE + 0x0c,
+ TEGRA_CLK_RESET_BASE + 0x18,
+ 1,
+ },
+ {
+ TEGRA_UARTE_BASE,
+ TEGRA_CLK_RESET_BASE + 0x0c,
+ TEGRA_CLK_RESET_BASE + 0x18,
+ 2,
+ },
+ };
+ int i;
+ volatile u32 *apb_misc = (volatile u32 *)TEGRA_APB_MISC_BASE;
+ u32 chip, div;
+
+ /*
+ * Look for the first UART that:
+ * a) Is not in reset.
+ * b) Is clocked.
+ * c) Has a 'D' in the scratchpad register.
+ *
+ * Note that on Tegra30, the first two conditions are required, since
+ * if not true, accesses to the UART scratch register will hang.
+ * Tegra20 doesn't have this issue.
+ *
+ * The intent is that the bootloader will tell the kernel which UART
+ * to use by setting up those conditions. If nothing found, we'll fall
+ * back to what's specified in TEGRA_DEBUG_UART_BASE.
+ */
+ for (i = 0; i < ARRAY_SIZE(uarts); i++) {
+ if (*(u8 *)uarts[i].reset_reg & BIT(uarts[i].bit))
+ continue;
+ if (!(*(u8 *)uarts[i].clock_reg & BIT(uarts[i].bit)))
+ continue;
+
+ uart = (volatile u8 *)uarts[i].base;
+ if (uart[UART_SCR << DEBUG_UART_SHIFT] != 'D')
+ continue;
+
+ break;
+ }
+ if (i == ARRAY_SIZE(uarts))
+ uart = (volatile u8 *)TEGRA_DEBUG_UART_BASE;
+ save_uart_address();
if (uart == NULL)
return;
- uart[UART_LCR << shift] |= UART_LCR_DLAB;
- uart[UART_DLL << shift] = 0x75;
- uart[UART_DLM << shift] = 0x0;
- uart[UART_LCR << shift] = 3;
+ chip = (apb_misc[0x804 / 4] >> 8) & 0xff;
+ if (chip == 0x20)
+ div = 0x0075;
+ else
+ div = 0x00dd;
+
+ uart[UART_LCR << DEBUG_UART_SHIFT] |= UART_LCR_DLAB;
+ uart[UART_DLL << DEBUG_UART_SHIFT] = div & 0xff;
+ uart[UART_DLM << DEBUG_UART_SHIFT] = div >> 8;
+ uart[UART_LCR << DEBUG_UART_SHIFT] = 3;
}
static inline void arch_decomp_wdog(void)
diff --git a/arch/arm/mach-tegra/include/mach/usb_phy.h b/arch/arm/mach-tegra/include/mach/usb_phy.h
index d4b8f9e298a..de1a0f602b2 100644
--- a/arch/arm/mach-tegra/include/mach/usb_phy.h
+++ b/arch/arm/mach-tegra/include/mach/usb_phy.h
@@ -58,7 +58,7 @@ struct tegra_usb_phy {
struct clk *pad_clk;
enum tegra_usb_phy_mode mode;
void *config;
- struct otg_transceiver *ulpi;
+ struct usb_phy *ulpi;
};
struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs,
diff --git a/arch/arm/mach-tegra/io.c b/arch/arm/mach-tegra/io.c
index d23ee2db282..58b4baf9c48 100644
--- a/arch/arm/mach-tegra/io.c
+++ b/arch/arm/mach-tegra/io.c
@@ -26,6 +26,7 @@
#include <asm/page.h>
#include <asm/mach/map.h>
+#include <mach/iomap.h>
#include "board.h"
diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index 4e1afcd54fa..2f5bd2db8e1 100644
--- a/arch/arm/mach-tegra/irq.c
+++ b/arch/arm/mach-tegra/irq.c
@@ -44,14 +44,16 @@
#define ICTLR_COP_IER_CLR 0x38
#define ICTLR_COP_IEP_CLASS 0x3c
-#define NUM_ICTLRS 4
#define FIRST_LEGACY_IRQ 32
+static int num_ictlrs;
+
static void __iomem *ictlr_reg_base[] = {
IO_ADDRESS(TEGRA_PRIMARY_ICTLR_BASE),
IO_ADDRESS(TEGRA_SECONDARY_ICTLR_BASE),
IO_ADDRESS(TEGRA_TERTIARY_ICTLR_BASE),
IO_ADDRESS(TEGRA_QUATERNARY_ICTLR_BASE),
+ IO_ADDRESS(TEGRA_QUINARY_ICTLR_BASE),
};
static inline void tegra_irq_write_mask(unsigned int irq, unsigned long reg)
@@ -60,7 +62,7 @@ static inline void tegra_irq_write_mask(unsigned int irq, unsigned long reg)
u32 mask;
BUG_ON(irq < FIRST_LEGACY_IRQ ||
- irq >= FIRST_LEGACY_IRQ + NUM_ICTLRS * 32);
+ irq >= FIRST_LEGACY_IRQ + num_ictlrs * 32);
base = ictlr_reg_base[(irq - FIRST_LEGACY_IRQ) / 32];
mask = BIT((irq - FIRST_LEGACY_IRQ) % 32);
@@ -113,8 +115,18 @@ static int tegra_retrigger(struct irq_data *d)
void __init tegra_init_irq(void)
{
int i;
+ void __iomem *distbase;
+
+ distbase = IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE);
+ num_ictlrs = readl_relaxed(distbase + GIC_DIST_CTR) & 0x1f;
+
+ if (num_ictlrs > ARRAY_SIZE(ictlr_reg_base)) {
+ WARN(1, "Too many (%d) interrupt controllers found. Maximum is %d.",
+ num_ictlrs, ARRAY_SIZE(ictlr_reg_base));
+ num_ictlrs = ARRAY_SIZE(ictlr_reg_base);
+ }
- for (i = 0; i < NUM_ICTLRS; i++) {
+ for (i = 0; i < num_ictlrs; i++) {
void __iomem *ictlr = ictlr_reg_base[i];
writel(~0, ictlr + ICTLR_CPU_IER_CLR);
writel(0, ictlr + ICTLR_CPU_IEP_CLASS);
@@ -131,6 +143,6 @@ void __init tegra_init_irq(void)
* initialized elsewhere under DT.
*/
if (!of_have_populated_dt())
- gic_init(0, 29, IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE),
+ gic_init(0, 29, distbase,
IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100));
}
diff --git a/arch/arm/mach-tegra/localtimer.c b/arch/arm/mach-tegra/localtimer.c
deleted file mode 100644
index e91d681d45a..00000000000
--- a/arch/arm/mach-tegra/localtimer.c
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * arch/arm/mach-tegra/localtimer.c
- *
- * Copyright (C) 2002 ARM Ltd.
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/clockchips.h>
-#include <asm/irq.h>
-#include <asm/smp_twd.h>
-#include <asm/localtimer.h>
-
-/*
- * Setup the local clock events for a CPU.
- */
-int __cpuinit local_timer_setup(struct clock_event_device *evt)
-{
- evt->irq = IRQ_LOCALTIMER;
- twd_timer_setup(evt);
- return 0;
-}
diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c
index af8b6343572..54a816ff384 100644
--- a/arch/arm/mach-tegra/pcie.c
+++ b/arch/arm/mach-tegra/pcie.c
@@ -408,7 +408,7 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
pp->res[0].flags = IORESOURCE_IO;
if (request_resource(&ioport_resource, &pp->res[0]))
panic("Request PCIe IO resource failed\n");
- pci_add_resource(&sys->resources, &pp->res[0]);
+ pci_add_resource_offset(&sys->resources, &pp->res[0], sys->io_offset);
/*
* IORESOURCE_MEM
@@ -427,7 +427,7 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
pp->res[1].flags = IORESOURCE_MEM;
if (request_resource(&iomem_resource, &pp->res[1]))
panic("Request PCIe Memory resource failed\n");
- pci_add_resource(&sys->resources, &pp->res[1]);
+ pci_add_resource_offset(&sys->resources, &pp->res[1], sys->mem_offset);
/*
* IORESOURCE_MEM | IORESOURCE_PREFETCH
@@ -446,7 +446,7 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
pp->res[2].flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
if (request_resource(&iomem_resource, &pp->res[2]))
panic("Request PCIe Prefetch Memory resource failed\n");
- pci_add_resource(&sys->resources, &pp->res[2]);
+ pci_add_resource_offset(&sys->resources, &pp->res[2], sys->mem_offset);
return 1;
}
@@ -585,10 +585,10 @@ static void tegra_pcie_setup_translations(void)
afi_writel(0, AFI_MSI_BAR_SZ);
}
-static void tegra_pcie_enable_controller(void)
+static int tegra_pcie_enable_controller(void)
{
u32 val, reg;
- int i;
+ int i, timeout;
/* Enable slot clock and pulse the reset signals */
for (i = 0, reg = AFI_PEX0_CTRL; i < 2; i++, reg += 0x8) {
@@ -639,8 +639,14 @@ static void tegra_pcie_enable_controller(void)
pads_writel(0xfa5cfa5c, 0xc8);
/* Wait for the PLL to lock */
+ timeout = 300;
do {
val = pads_readl(PADS_PLL_CTL);
+ usleep_range(1000, 1000);
+ if (--timeout == 0) {
+ pr_err("Tegra PCIe error: timeout waiting for PLL\n");
+ return -EBUSY;
+ }
} while (!(val & PADS_PLL_CTL_LOCKDET));
/* turn off IDDQ override */
@@ -671,7 +677,7 @@ static void tegra_pcie_enable_controller(void)
/* Disable all execptions */
afi_writel(0, AFI_FPCI_ERROR_MASKS);
- return;
+ return 0;
}
static void tegra_pcie_xclk_clamp(bool clamp)
@@ -921,7 +927,9 @@ int __init tegra_pcie_init(bool init_port0, bool init_port1)
if (err)
return err;
- tegra_pcie_enable_controller();
+ err = tegra_pcie_enable_controller();
+ if (err)
+ return err;
/* setup the AFI address translations */
tegra_pcie_setup_translations();
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 7d2b5d03c1d..1a208dbf682 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -24,19 +24,31 @@
#include <asm/mach-types.h>
#include <asm/smp_scu.h>
+#include <mach/clk.h>
#include <mach/iomap.h>
+#include <mach/powergate.h>
+
+#include "fuse.h"
+#include "flowctrl.h"
+#include "reset.h"
extern void tegra_secondary_startup(void);
-static DEFINE_SPINLOCK(boot_lock);
static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
#define EVP_CPU_RESET_VECTOR \
(IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100)
#define CLK_RST_CONTROLLER_CLK_CPU_CMPLX \
(IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x4c)
+#define CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET \
+ (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x340)
#define CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR \
(IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x344)
+#define CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR \
+ (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x34c)
+
+#define CPU_CLOCK(cpu) (0x1<<(8+cpu))
+#define CPU_RESET(cpu) (0x1111ul<<(cpu))
void __cpuinit platform_secondary_init(unsigned int cpu)
{
@@ -47,63 +59,106 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
*/
gic_secondary_init(0);
- /*
- * Synchronise with the boot thread.
- */
- spin_lock(&boot_lock);
- spin_unlock(&boot_lock);
}
-int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
+static int tegra20_power_up_cpu(unsigned int cpu)
{
- unsigned long old_boot_vector;
- unsigned long boot_vector;
- unsigned long timeout;
u32 reg;
- /*
- * set synchronisation state between this boot processor
- * and the secondary one
- */
- spin_lock(&boot_lock);
+ /* Enable the CPU clock. */
+ reg = readl(CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ writel(reg & ~CPU_CLOCK(cpu), CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ barrier();
+ reg = readl(CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ /* Clear flow controller CSR. */
+ flowctrl_write_cpu_csr(cpu, 0);
- /* set the reset vector to point to the secondary_startup routine */
+ return 0;
+}
- boot_vector = virt_to_phys(tegra_secondary_startup);
- old_boot_vector = readl(EVP_CPU_RESET_VECTOR);
- writel(boot_vector, EVP_CPU_RESET_VECTOR);
+static int tegra30_power_up_cpu(unsigned int cpu)
+{
+ u32 reg;
+ int ret, pwrgateid;
+ unsigned long timeout;
- /* enable cpu clock on cpu1 */
- reg = readl(CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
- writel(reg & ~(1<<9), CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ pwrgateid = tegra_cpu_powergate_id(cpu);
+ if (pwrgateid < 0)
+ return pwrgateid;
+
+ /* If this is the first boot, toggle powergates directly. */
+ if (!tegra_powergate_is_powered(pwrgateid)) {
+ ret = tegra_powergate_power_on(pwrgateid);
+ if (ret)
+ return ret;
+
+ /* Wait for the power to come up. */
+ timeout = jiffies + 10*HZ;
+ while (tegra_powergate_is_powered(pwrgateid)) {
+ if (time_after(jiffies, timeout))
+ return -ETIMEDOUT;
+ udelay(10);
+ }
+ }
- reg = (1<<13) | (1<<9) | (1<<5) | (1<<1);
- writel(reg, CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
+ /* CPU partition is powered. Enable the CPU clock. */
+ writel(CPU_CLOCK(cpu), CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
+ reg = readl(CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
+ udelay(10);
- smp_wmb();
- flush_cache_all();
+ /* Remove I/O clamps. */
+ ret = tegra_powergate_remove_clamping(pwrgateid);
+ udelay(10);
- /* unhalt the cpu */
- writel(0, IO_ADDRESS(TEGRA_FLOW_CTRL_BASE) + 0x14);
+ /* Clear flow controller CSR. */
+ flowctrl_write_cpu_csr(cpu, 0);
- timeout = jiffies + (1 * HZ);
- while (time_before(jiffies, timeout)) {
- if (readl(EVP_CPU_RESET_VECTOR) != boot_vector)
- break;
- udelay(10);
- }
+ return 0;
+}
+
+int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+ int status;
- /* put the old boot vector back */
- writel(old_boot_vector, EVP_CPU_RESET_VECTOR);
+ /*
+ * Force the CPU into reset. The CPU must remain in reset when the
+ * flow controller state is cleared (which will cause the flow
+ * controller to stop driving reset if the CPU has been power-gated
+ * via the flow controller). This will have no effect on first boot
+ * of the CPU since it should already be in reset.
+ */
+ writel(CPU_RESET(cpu), CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
+ dmb();
/*
- * now the secondary core is starting up let it run its
- * calibrations, then wait for it to finish
+ * Unhalt the CPU. If the flow controller was used to power-gate the
+ * CPU this will cause the flow controller to stop driving reset.
+ * The CPU will remain in reset because the clock and reset block
+ * is now driving reset.
*/
- spin_unlock(&boot_lock);
+ flowctrl_write_cpu_halt(cpu, 0);
+
+ switch (tegra_chip_id) {
+ case TEGRA20:
+ status = tegra20_power_up_cpu(cpu);
+ break;
+ case TEGRA30:
+ status = tegra30_power_up_cpu(cpu);
+ break;
+ default:
+ status = -EINVAL;
+ break;
+ }
- return 0;
+ if (status)
+ goto done;
+
+ /* Take the CPU out of reset. */
+ writel(CPU_RESET(cpu), CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
+ wmb();
+done:
+ return status;
}
/*
@@ -128,6 +183,6 @@ void __init smp_init_cpus(void)
void __init platform_smp_prepare_cpus(unsigned int max_cpus)
{
-
+ tegra_cpu_reset_handler_init();
scu_enable(scu_base);
}
diff --git a/arch/arm/mach-tegra/pmc.c b/arch/arm/mach-tegra/pmc.c
new file mode 100644
index 00000000000..7af6a54404b
--- /dev/null
+++ b/arch/arm/mach-tegra/pmc.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/of.h>
+
+#include <mach/iomap.h>
+
+#define PMC_CTRL 0x0
+#define PMC_CTRL_INTR_LOW (1 << 17)
+
+static inline u32 tegra_pmc_readl(u32 reg)
+{
+ return readl(IO_ADDRESS(TEGRA_PMC_BASE + reg));
+}
+
+static inline void tegra_pmc_writel(u32 val, u32 reg)
+{
+ writel(val, IO_ADDRESS(TEGRA_PMC_BASE + reg));
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id matches[] __initconst = {
+ { .compatible = "nvidia,tegra20-pmc" },
+ { }
+};
+#endif
+
+void __init tegra_pmc_init(void)
+{
+ /*
+ * For now, Harmony is the only board that uses the PMC, and it wants
+ * the signal inverted. Seaboard would too if it used the PMC.
+ * Hopefully by the time other boards want to use the PMC, everything
+ * will be device-tree, or they also want it inverted.
+ */
+ bool invert_interrupt = true;
+ u32 val;
+
+#ifdef CONFIG_OF
+ if (of_have_populated_dt()) {
+ struct device_node *np;
+
+ invert_interrupt = false;
+
+ np = of_find_matching_node(NULL, matches);
+ if (np) {
+ if (of_find_property(np, "nvidia,invert-interrupt",
+ NULL))
+ invert_interrupt = true;
+ }
+ }
+#endif
+
+ val = tegra_pmc_readl(PMC_CTRL);
+ if (invert_interrupt)
+ val |= PMC_CTRL_INTR_LOW;
+ else
+ val &= ~PMC_CTRL_INTR_LOW;
+ tegra_pmc_writel(val, PMC_CTRL);
+}
diff --git a/arch/arm/mach-tegra/pmc.h b/arch/arm/mach-tegra/pmc.h
new file mode 100644
index 00000000000..8995ee4a876
--- /dev/null
+++ b/arch/arm/mach-tegra/pmc.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __MACH_TEGRA_PMC_H
+#define __MACH_TEGRA_PMC_H
+
+void tegra_pmc_init(void);
+
+#endif
diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c
index 948306491a5..c238699ae86 100644
--- a/arch/arm/mach-tegra/powergate.c
+++ b/arch/arm/mach-tegra/powergate.c
@@ -31,6 +31,8 @@
#include <mach/iomap.h>
#include <mach/powergate.h>
+#include "fuse.h"
+
#define PWRGATE_TOGGLE 0x30
#define PWRGATE_TOGGLE_START (1 << 8)
@@ -38,6 +40,16 @@
#define PWRGATE_STATUS 0x38
+static int tegra_num_powerdomains;
+static int tegra_num_cpu_domains;
+static u8 *tegra_cpu_domains;
+static u8 tegra30_cpu_domains[] = {
+ TEGRA_POWERGATE_CPU0,
+ TEGRA_POWERGATE_CPU1,
+ TEGRA_POWERGATE_CPU2,
+ TEGRA_POWERGATE_CPU3,
+};
+
static DEFINE_SPINLOCK(tegra_powergate_lock);
static void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
@@ -75,7 +87,7 @@ static int tegra_powergate_set(int id, bool new_state)
int tegra_powergate_power_on(int id)
{
- if (id < 0 || id >= TEGRA_NUM_POWERGATE)
+ if (id < 0 || id >= tegra_num_powerdomains)
return -EINVAL;
return tegra_powergate_set(id, true);
@@ -83,17 +95,18 @@ int tegra_powergate_power_on(int id)
int tegra_powergate_power_off(int id)
{
- if (id < 0 || id >= TEGRA_NUM_POWERGATE)
+ if (id < 0 || id >= tegra_num_powerdomains)
return -EINVAL;
return tegra_powergate_set(id, false);
}
-static bool tegra_powergate_is_powered(int id)
+int tegra_powergate_is_powered(int id)
{
u32 status;
- WARN_ON(id < 0 || id >= TEGRA_NUM_POWERGATE);
+ if (id < 0 || id >= tegra_num_powerdomains)
+ return -EINVAL;
status = pmc_read(PWRGATE_STATUS) & (1 << id);
return !!status;
@@ -103,7 +116,7 @@ int tegra_powergate_remove_clamping(int id)
{
u32 mask;
- if (id < 0 || id >= TEGRA_NUM_POWERGATE)
+ if (id < 0 || id >= tegra_num_powerdomains)
return -EINVAL;
/*
@@ -156,6 +169,34 @@ err_power:
return ret;
}
+int tegra_cpu_powergate_id(int cpuid)
+{
+ if (cpuid > 0 && cpuid < tegra_num_cpu_domains)
+ return tegra_cpu_domains[cpuid];
+
+ return -EINVAL;
+}
+
+int __init tegra_powergate_init(void)
+{
+ switch (tegra_chip_id) {
+ case TEGRA20:
+ tegra_num_powerdomains = 7;
+ break;
+ case TEGRA30:
+ tegra_num_powerdomains = 14;
+ tegra_num_cpu_domains = 4;
+ tegra_cpu_domains = tegra30_cpu_domains;
+ break;
+ default:
+ /* Unknown Tegra variant. Disable powergating */
+ tegra_num_powerdomains = 0;
+ break;
+ }
+
+ return 0;
+}
+
#ifdef CONFIG_DEBUG_FS
static const char * const powergate_name[] = {
@@ -175,7 +216,7 @@ static int powergate_show(struct seq_file *s, void *data)
seq_printf(s, " powergate powered\n");
seq_printf(s, "------------------\n");
- for (i = 0; i < TEGRA_NUM_POWERGATE; i++)
+ for (i = 0; i < tegra_num_powerdomains; i++)
seq_printf(s, " %9s %7s\n", powergate_name[i],
tegra_powergate_is_powered(i) ? "yes" : "no");
return 0;
diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c
new file mode 100644
index 00000000000..4d6a2ee99c3
--- /dev/null
+++ b/arch/arm/mach-tegra/reset.c
@@ -0,0 +1,84 @@
+/*
+ * arch/arm/mach-tegra/reset.c
+ *
+ * Copyright (C) 2011,2012 NVIDIA Corporation.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/cpumask.h>
+#include <linux/bitops.h>
+
+#include <asm/cacheflush.h>
+#include <asm/hardware/cache-l2x0.h>
+
+#include <mach/iomap.h>
+#include <mach/irammap.h>
+
+#include "reset.h"
+#include "fuse.h"
+
+#define TEGRA_IRAM_RESET_BASE (TEGRA_IRAM_BASE + \
+ TEGRA_IRAM_RESET_HANDLER_OFFSET)
+
+static bool is_enabled;
+
+static void tegra_cpu_reset_handler_enable(void)
+{
+ void __iomem *iram_base = IO_ADDRESS(TEGRA_IRAM_RESET_BASE);
+ void __iomem *evp_cpu_reset =
+ IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE + 0x100);
+ void __iomem *sb_ctrl = IO_ADDRESS(TEGRA_SB_BASE);
+ u32 reg;
+
+ BUG_ON(is_enabled);
+ BUG_ON(tegra_cpu_reset_handler_size > TEGRA_IRAM_RESET_HANDLER_SIZE);
+
+ memcpy(iram_base, (void *)__tegra_cpu_reset_handler_start,
+ tegra_cpu_reset_handler_size);
+
+ /*
+ * NOTE: This must be the one and only write to the EVP CPU reset
+ * vector in the entire system.
+ */
+ writel(TEGRA_IRAM_RESET_BASE + tegra_cpu_reset_handler_offset,
+ evp_cpu_reset);
+ wmb();
+ reg = readl(evp_cpu_reset);
+
+ /*
+ * Prevent further modifications to the physical reset vector.
+ * NOTE: Has no effect on chips prior to Tegra30.
+ */
+ if (tegra_chip_id != TEGRA20) {
+ reg = readl(sb_ctrl);
+ reg |= 2;
+ writel(reg, sb_ctrl);
+ wmb();
+ }
+
+ is_enabled = true;
+}
+
+void __init tegra_cpu_reset_handler_init(void)
+{
+
+#ifdef CONFIG_SMP
+ __tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_PRESENT] =
+ *((u32 *)cpu_present_mask);
+ __tegra_cpu_reset_handler_data[TEGRA_RESET_STARTUP_SECONDARY] =
+ virt_to_phys((void *)tegra_secondary_startup);
+#endif
+
+ tegra_cpu_reset_handler_enable();
+}
diff --git a/arch/arm/mach-tegra/reset.h b/arch/arm/mach-tegra/reset.h
new file mode 100644
index 00000000000..de88bf851dd
--- /dev/null
+++ b/arch/arm/mach-tegra/reset.h
@@ -0,0 +1,50 @@
+/*
+ * arch/arm/mach-tegra/reset.h
+ *
+ * CPU reset dispatcher.
+ *
+ * Copyright (c) 2011, NVIDIA Corporation.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_RESET_H
+#define __MACH_TEGRA_RESET_H
+
+#define TEGRA_RESET_MASK_PRESENT 0
+#define TEGRA_RESET_MASK_LP1 1
+#define TEGRA_RESET_MASK_LP2 2
+#define TEGRA_RESET_STARTUP_SECONDARY 3
+#define TEGRA_RESET_STARTUP_LP2 4
+#define TEGRA_RESET_STARTUP_LP1 5
+#define TEGRA_RESET_DATA_SIZE 6
+
+#ifndef __ASSEMBLY__
+
+extern unsigned long __tegra_cpu_reset_handler_data[TEGRA_RESET_DATA_SIZE];
+
+void __tegra_cpu_reset_handler_start(void);
+void __tegra_cpu_reset_handler(void);
+void __tegra_cpu_reset_handler_end(void);
+void tegra_secondary_startup(void);
+
+#define tegra_cpu_reset_handler_offset \
+ ((u32)__tegra_cpu_reset_handler - \
+ (u32)__tegra_cpu_reset_handler_start)
+
+#define tegra_cpu_reset_handler_size \
+ (__tegra_cpu_reset_handler_end - \
+ __tegra_cpu_reset_handler_start)
+
+void __init tegra_cpu_reset_handler_init(void);
+
+#endif
+#endif
diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S
new file mode 100644
index 00000000000..5b20197bae7
--- /dev/null
+++ b/arch/arm/mach-tegra/sleep.S
@@ -0,0 +1,93 @@
+/*
+ * arch/arm/mach-tegra/sleep.S
+ *
+ * Copyright (c) 2010-2011, NVIDIA Corporation.
+ * Copyright (c) 2011, Google, Inc.
+ *
+ * Author: Colin Cross <ccross@android.com>
+ * Gary King <gking@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/linkage.h>
+
+#include <asm/assembler.h>
+
+#include <mach/iomap.h>
+
+#include "flowctrl.h"
+
+#define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \
+ + IO_PPSB_VIRT)
+
+/* returns the offset of the flow controller halt register for a cpu */
+.macro cpu_to_halt_reg rd, rcpu
+ cmp \rcpu, #0
+ subne \rd, \rcpu, #1
+ movne \rd, \rd, lsl #3
+ addne \rd, \rd, #0x14
+ moveq \rd, #0
+.endm
+
+/* returns the offset of the flow controller csr register for a cpu */
+.macro cpu_to_csr_reg rd, rcpu
+ cmp \rcpu, #0
+ subne \rd, \rcpu, #1
+ movne \rd, \rd, lsl #3
+ addne \rd, \rd, #0x18
+ moveq \rd, #8
+.endm
+
+/* returns the ID of the current processor */
+.macro cpu_id, rd
+ mrc p15, 0, \rd, c0, c0, 5
+ and \rd, \rd, #0xF
+.endm
+
+/* loads a 32-bit value into a register without a data access */
+.macro mov32, reg, val
+ movw \reg, #:lower16:\val
+ movt \reg, #:upper16:\val
+.endm
+
+/*
+ * tegra_cpu_wfi
+ *
+ * puts current CPU in clock-gated wfi using the flow controller
+ *
+ * corrupts r0-r3
+ * must be called with MMU on
+ */
+
+ENTRY(tegra_cpu_wfi)
+ cpu_id r0
+ cpu_to_halt_reg r1, r0
+ cpu_to_csr_reg r2, r0
+ mov32 r0, TEGRA_FLOW_CTRL_VIRT
+ mov r3, #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
+ str r3, [r0, r2] @ clear event & interrupt status
+ mov r3, #FLOW_CTRL_WAIT_FOR_INTERRUPT | FLOW_CTRL_JTAG_RESUME
+ str r3, [r0, r1] @ put flow controller in wait irq mode
+ dsb
+ wfi
+ mov r3, #0
+ str r3, [r0, r1] @ clear flow controller halt status
+ mov r3, #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
+ str r3, [r0, r2] @ clear event & interrupt status
+ dsb
+ mov pc, lr
+ENDPROC(tegra_cpu_wfi)
+
diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index ff9e6b6c046..592a4eeb532 100644
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -720,7 +720,7 @@ static void tegra2_pllx_clk_init(struct clk *c)
{
tegra2_pll_clk_init(c);
- if (tegra_sku_id() == 7)
+ if (tegra_sku_id == 7)
c->max_rate = 750000000;
}
@@ -1143,15 +1143,35 @@ static void tegra2_emc_clk_init(struct clk *c)
static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate)
{
- long new_rate = rate;
+ long emc_rate;
+ long clk_rate;
- new_rate = tegra_emc_round_rate(new_rate);
- if (new_rate < 0)
+ /*
+ * The slowest entry in the EMC clock table that is at least as
+ * fast as rate.
+ */
+ emc_rate = tegra_emc_round_rate(rate);
+ if (emc_rate < 0)
return c->max_rate;
- BUG_ON(new_rate != tegra2_periph_clk_round_rate(c, new_rate));
+ /*
+ * The fastest rate the PLL will generate that is at most the
+ * requested rate.
+ */
+ clk_rate = tegra2_periph_clk_round_rate(c, emc_rate);
+
+ /*
+ * If this fails, and emc_rate > clk_rate, it's because the maximum
+ * rate in the EMC tables is larger than the maximum rate of the EMC
+ * clock. The EMC clock's max rate is the rate it was running when the
+ * kernel booted. Such a mismatch is probably due to using the wrong
+ * BCT, i.e. using a Tegra20 BCT with an EMC table written for Tegra25.
+ */
+ WARN_ONCE(emc_rate != clk_rate,
+ "emc_rate %ld != clk_rate %ld",
+ emc_rate, clk_rate);
- return new_rate;
+ return emc_rate;
}
static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate)
diff --git a/arch/arm/mach-tegra/tegra2_emc.c b/arch/arm/mach-tegra/tegra2_emc.c
index 0f7ae6e90b5..5070d833bdd 100644
--- a/arch/arm/mach-tegra/tegra2_emc.c
+++ b/arch/arm/mach-tegra/tegra2_emc.c
@@ -16,14 +16,19 @@
*/
#include <linux/kernel.h>
+#include <linux/device.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/tegra_emc.h>
#include <mach/iomap.h>
#include "tegra2_emc.h"
+#include "fuse.h"
#ifdef CONFIG_TEGRA_EMC_SCALING_ENABLE
static bool emc_enable = true;
@@ -32,18 +37,17 @@ static bool emc_enable;
#endif
module_param(emc_enable, bool, 0644);
-static void __iomem *emc = IO_ADDRESS(TEGRA_EMC_BASE);
-static const struct tegra_emc_table *tegra_emc_table;
-static int tegra_emc_table_size;
+static struct platform_device *emc_pdev;
+static void __iomem *emc_regbase;
static inline void emc_writel(u32 val, unsigned long addr)
{
- writel(val, emc + addr);
+ writel(val, emc_regbase + addr);
}
static inline u32 emc_readl(unsigned long addr)
{
- return readl(emc + addr);
+ return readl(emc_regbase + addr);
}
static const unsigned long emc_reg_addr[TEGRA_EMC_NUM_REGS] = {
@@ -98,15 +102,15 @@ static const unsigned long emc_reg_addr[TEGRA_EMC_NUM_REGS] = {
/* Select the closest EMC rate that is higher than the requested rate */
long tegra_emc_round_rate(unsigned long rate)
{
+ struct tegra_emc_pdata *pdata;
int i;
int best = -1;
unsigned long distance = ULONG_MAX;
- if (!tegra_emc_table)
+ if (!emc_pdev)
return -EINVAL;
- if (!emc_enable)
- return -EINVAL;
+ pdata = emc_pdev->dev.platform_data;
pr_debug("%s: %lu\n", __func__, rate);
@@ -116,10 +120,10 @@ long tegra_emc_round_rate(unsigned long rate)
*/
rate = rate / 2 / 1000;
- for (i = 0; i < tegra_emc_table_size; i++) {
- if (tegra_emc_table[i].rate >= rate &&
- (tegra_emc_table[i].rate - rate) < distance) {
- distance = tegra_emc_table[i].rate - rate;
+ for (i = 0; i < pdata->num_tables; i++) {
+ if (pdata->tables[i].rate >= rate &&
+ (pdata->tables[i].rate - rate) < distance) {
+ distance = pdata->tables[i].rate - rate;
best = i;
}
}
@@ -127,9 +131,9 @@ long tegra_emc_round_rate(unsigned long rate)
if (best < 0)
return -EINVAL;
- pr_debug("%s: using %lu\n", __func__, tegra_emc_table[best].rate);
+ pr_debug("%s: using %lu\n", __func__, pdata->tables[best].rate);
- return tegra_emc_table[best].rate * 2 * 1000;
+ return pdata->tables[best].rate * 2 * 1000;
}
/*
@@ -142,37 +146,211 @@ long tegra_emc_round_rate(unsigned long rate)
*/
int tegra_emc_set_rate(unsigned long rate)
{
+ struct tegra_emc_pdata *pdata;
int i;
int j;
- if (!tegra_emc_table)
+ if (!emc_pdev)
return -EINVAL;
+ pdata = emc_pdev->dev.platform_data;
+
/*
* The EMC clock rate is twice the bus rate, and the bus rate is
* measured in kHz
*/
rate = rate / 2 / 1000;
- for (i = 0; i < tegra_emc_table_size; i++)
- if (tegra_emc_table[i].rate == rate)
+ for (i = 0; i < pdata->num_tables; i++)
+ if (pdata->tables[i].rate == rate)
break;
- if (i >= tegra_emc_table_size)
+ if (i >= pdata->num_tables)
return -EINVAL;
pr_debug("%s: setting to %lu\n", __func__, rate);
for (j = 0; j < TEGRA_EMC_NUM_REGS; j++)
- emc_writel(tegra_emc_table[i].regs[j], emc_reg_addr[j]);
+ emc_writel(pdata->tables[i].regs[j], emc_reg_addr[j]);
- emc_readl(tegra_emc_table[i].regs[TEGRA_EMC_NUM_REGS - 1]);
+ emc_readl(pdata->tables[i].regs[TEGRA_EMC_NUM_REGS - 1]);
return 0;
}
-void tegra_init_emc(const struct tegra_emc_table *table, int table_size)
+#ifdef CONFIG_OF
+static struct device_node *tegra_emc_ramcode_devnode(struct device_node *np)
+{
+ struct device_node *iter;
+ u32 reg;
+
+ for_each_child_of_node(np, iter) {
+ if (of_property_read_u32(np, "nvidia,ram-code", &reg))
+ continue;
+ if (reg == tegra_bct_strapping)
+ return of_node_get(iter);
+ }
+
+ return NULL;
+}
+
+static struct tegra_emc_pdata *tegra_emc_dt_parse_pdata(
+ struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device_node *tnp, *iter;
+ struct tegra_emc_pdata *pdata;
+ int ret, i, num_tables;
+
+ if (!np)
+ return NULL;
+
+ if (of_find_property(np, "nvidia,use-ram-code", NULL)) {
+ tnp = tegra_emc_ramcode_devnode(np);
+ if (!tnp)
+ dev_warn(&pdev->dev,
+ "can't find emc table for ram-code 0x%02x\n",
+ tegra_bct_strapping);
+ } else
+ tnp = of_node_get(np);
+
+ if (!tnp)
+ return NULL;
+
+ num_tables = 0;
+ for_each_child_of_node(tnp, iter)
+ if (of_device_is_compatible(iter, "nvidia,tegra20-emc-table"))
+ num_tables++;
+
+ if (!num_tables) {
+ pdata = NULL;
+ goto out;
+ }
+
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ pdata->tables = devm_kzalloc(&pdev->dev,
+ sizeof(*pdata->tables) * num_tables,
+ GFP_KERNEL);
+
+ i = 0;
+ for_each_child_of_node(tnp, iter) {
+ u32 prop;
+
+ ret = of_property_read_u32(iter, "clock-frequency", &prop);
+ if (ret) {
+ dev_err(&pdev->dev, "no clock-frequency in %s\n",
+ iter->full_name);
+ continue;
+ }
+ pdata->tables[i].rate = prop;
+
+ ret = of_property_read_u32_array(iter, "nvidia,emc-registers",
+ pdata->tables[i].regs,
+ TEGRA_EMC_NUM_REGS);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "malformed emc-registers property in %s\n",
+ iter->full_name);
+ continue;
+ }
+
+ i++;
+ }
+ pdata->num_tables = i;
+
+out:
+ of_node_put(tnp);
+ return pdata;
+}
+#else
+static struct tegra_emc_pdata *tegra_emc_dt_parse_pdata(
+ struct platform_device *pdev)
+{
+ return NULL;
+}
+#endif
+
+static struct tegra_emc_pdata __devinit *tegra_emc_fill_pdata(struct platform_device *pdev)
+{
+ struct clk *c = clk_get_sys(NULL, "emc");
+ struct tegra_emc_pdata *pdata;
+ unsigned long khz;
+ int i;
+
+ WARN_ON(pdev->dev.platform_data);
+ BUG_ON(IS_ERR_OR_NULL(c));
+
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ pdata->tables = devm_kzalloc(&pdev->dev, sizeof(*pdata->tables),
+ GFP_KERNEL);
+
+ pdata->tables[0].rate = clk_get_rate(c) / 2 / 1000;
+
+ for (i = 0; i < TEGRA_EMC_NUM_REGS; i++)
+ pdata->tables[0].regs[i] = emc_readl(emc_reg_addr[i]);
+
+ pdata->num_tables = 1;
+
+ khz = pdata->tables[0].rate;
+ dev_info(&pdev->dev, "no tables provided, using %ld kHz emc, "
+ "%ld kHz mem\n", khz * 2, khz);
+
+ return pdata;
+}
+
+static int __devinit tegra_emc_probe(struct platform_device *pdev)
+{
+ struct tegra_emc_pdata *pdata;
+ struct resource *res;
+
+ if (!emc_enable) {
+ dev_err(&pdev->dev, "disabled per module parameter\n");
+ return -ENODEV;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "missing register base\n");
+ return -ENOMEM;
+ }
+
+ emc_regbase = devm_request_and_ioremap(&pdev->dev, res);
+ if (!emc_regbase) {
+ dev_err(&pdev->dev, "failed to remap registers\n");
+ return -ENOMEM;
+ }
+
+ pdata = pdev->dev.platform_data;
+
+ if (!pdata)
+ pdata = tegra_emc_dt_parse_pdata(pdev);
+
+ if (!pdata)
+ pdata = tegra_emc_fill_pdata(pdev);
+
+ pdev->dev.platform_data = pdata;
+
+ emc_pdev = pdev;
+
+ return 0;
+}
+
+static struct of_device_id tegra_emc_of_match[] __devinitdata = {
+ { .compatible = "nvidia,tegra20-emc", },
+ { },
+};
+
+static struct platform_driver tegra_emc_driver = {
+ .driver = {
+ .name = "tegra-emc",
+ .owner = THIS_MODULE,
+ .of_match_table = tegra_emc_of_match,
+ },
+ .probe = tegra_emc_probe,
+};
+
+static int __init tegra_emc_init(void)
{
- tegra_emc_table = table;
- tegra_emc_table_size = table_size;
+ return platform_driver_register(&tegra_emc_driver);
}
+device_initcall(tegra_emc_init);
diff --git a/arch/arm/mach-tegra/tegra2_emc.h b/arch/arm/mach-tegra/tegra2_emc.h
index 19f08cb3160..f61409b54cb 100644
--- a/arch/arm/mach-tegra/tegra2_emc.h
+++ b/arch/arm/mach-tegra/tegra2_emc.h
@@ -15,13 +15,10 @@
*
*/
-#define TEGRA_EMC_NUM_REGS 46
-
-struct tegra_emc_table {
- unsigned long rate;
- u32 regs[TEGRA_EMC_NUM_REGS];
-};
+#ifndef __MACH_TEGRA_TEGRA2_EMC_H_
+#define __MACH_TEGRA_TEGRA2_EMC_H
int tegra_emc_set_rate(unsigned long rate);
long tegra_emc_round_rate(unsigned long rate);
-void tegra_init_emc(const struct tegra_emc_table *table, int table_size);
+
+#endif
diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c
new file mode 100644
index 00000000000..6d08b53f92d
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra30_clocks.c
@@ -0,0 +1,3099 @@
+/*
+ * arch/arm/mach-tegra/tegra30_clocks.c
+ *
+ * Copyright (c) 2010-2011 NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/cpufreq.h>
+#include <linux/syscore_ops.h>
+
+#include <asm/clkdev.h>
+
+#include <mach/iomap.h>
+
+#include "clock.h"
+#include "fuse.h"
+
+#define USE_PLL_LOCK_BITS 0
+
+#define RST_DEVICES_L 0x004
+#define RST_DEVICES_H 0x008
+#define RST_DEVICES_U 0x00C
+#define RST_DEVICES_V 0x358
+#define RST_DEVICES_W 0x35C
+#define RST_DEVICES_SET_L 0x300
+#define RST_DEVICES_CLR_L 0x304
+#define RST_DEVICES_SET_V 0x430
+#define RST_DEVICES_CLR_V 0x434
+#define RST_DEVICES_NUM 5
+
+#define CLK_OUT_ENB_L 0x010
+#define CLK_OUT_ENB_H 0x014
+#define CLK_OUT_ENB_U 0x018
+#define CLK_OUT_ENB_V 0x360
+#define CLK_OUT_ENB_W 0x364
+#define CLK_OUT_ENB_SET_L 0x320
+#define CLK_OUT_ENB_CLR_L 0x324
+#define CLK_OUT_ENB_SET_V 0x440
+#define CLK_OUT_ENB_CLR_V 0x444
+#define CLK_OUT_ENB_NUM 5
+
+#define RST_DEVICES_V_SWR_CPULP_RST_DIS (0x1 << 1)
+#define CLK_OUT_ENB_V_CLK_ENB_CPULP_EN (0x1 << 1)
+
+#define PERIPH_CLK_TO_BIT(c) (1 << (c->u.periph.clk_num % 32))
+#define PERIPH_CLK_TO_RST_REG(c) \
+ periph_clk_to_reg((c), RST_DEVICES_L, RST_DEVICES_V, 4)
+#define PERIPH_CLK_TO_RST_SET_REG(c) \
+ periph_clk_to_reg((c), RST_DEVICES_SET_L, RST_DEVICES_SET_V, 8)
+#define PERIPH_CLK_TO_RST_CLR_REG(c) \
+ periph_clk_to_reg((c), RST_DEVICES_CLR_L, RST_DEVICES_CLR_V, 8)
+
+#define PERIPH_CLK_TO_ENB_REG(c) \
+ periph_clk_to_reg((c), CLK_OUT_ENB_L, CLK_OUT_ENB_V, 4)
+#define PERIPH_CLK_TO_ENB_SET_REG(c) \
+ periph_clk_to_reg((c), CLK_OUT_ENB_SET_L, CLK_OUT_ENB_SET_V, 8)
+#define PERIPH_CLK_TO_ENB_CLR_REG(c) \
+ periph_clk_to_reg((c), CLK_OUT_ENB_CLR_L, CLK_OUT_ENB_CLR_V, 8)
+
+#define CLK_MASK_ARM 0x44
+#define MISC_CLK_ENB 0x48
+
+#define OSC_CTRL 0x50
+#define OSC_CTRL_OSC_FREQ_MASK (0xF<<28)
+#define OSC_CTRL_OSC_FREQ_13MHZ (0x0<<28)
+#define OSC_CTRL_OSC_FREQ_19_2MHZ (0x4<<28)
+#define OSC_CTRL_OSC_FREQ_12MHZ (0x8<<28)
+#define OSC_CTRL_OSC_FREQ_26MHZ (0xC<<28)
+#define OSC_CTRL_OSC_FREQ_16_8MHZ (0x1<<28)
+#define OSC_CTRL_OSC_FREQ_38_4MHZ (0x5<<28)
+#define OSC_CTRL_OSC_FREQ_48MHZ (0x9<<28)
+#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
+
+#define OSC_CTRL_PLL_REF_DIV_MASK (3<<26)
+#define OSC_CTRL_PLL_REF_DIV_1 (0<<26)
+#define OSC_CTRL_PLL_REF_DIV_2 (1<<26)
+#define OSC_CTRL_PLL_REF_DIV_4 (2<<26)
+
+#define OSC_FREQ_DET 0x58
+#define OSC_FREQ_DET_TRIG (1<<31)
+
+#define OSC_FREQ_DET_STATUS 0x5C
+#define OSC_FREQ_DET_BUSY (1<<31)
+#define OSC_FREQ_DET_CNT_MASK 0xFFFF
+
+#define PERIPH_CLK_SOURCE_I2S1 0x100
+#define PERIPH_CLK_SOURCE_EMC 0x19c
+#define PERIPH_CLK_SOURCE_OSC 0x1fc
+#define PERIPH_CLK_SOURCE_NUM1 \
+ ((PERIPH_CLK_SOURCE_OSC - PERIPH_CLK_SOURCE_I2S1) / 4)
+
+#define PERIPH_CLK_SOURCE_G3D2 0x3b0
+#define PERIPH_CLK_SOURCE_SE 0x42c
+#define PERIPH_CLK_SOURCE_NUM2 \
+ ((PERIPH_CLK_SOURCE_SE - PERIPH_CLK_SOURCE_G3D2) / 4 + 1)
+
+#define AUDIO_DLY_CLK 0x49c
+#define AUDIO_SYNC_CLK_SPDIF 0x4b4
+#define PERIPH_CLK_SOURCE_NUM3 \
+ ((AUDIO_SYNC_CLK_SPDIF - AUDIO_DLY_CLK) / 4 + 1)
+
+#define PERIPH_CLK_SOURCE_NUM (PERIPH_CLK_SOURCE_NUM1 + \
+ PERIPH_CLK_SOURCE_NUM2 + \
+ PERIPH_CLK_SOURCE_NUM3)
+
+#define CPU_SOFTRST_CTRL 0x380
+
+#define PERIPH_CLK_SOURCE_DIVU71_MASK 0xFF
+#define PERIPH_CLK_SOURCE_DIVU16_MASK 0xFFFF
+#define PERIPH_CLK_SOURCE_DIV_SHIFT 0
+#define PERIPH_CLK_SOURCE_DIVIDLE_SHIFT 8
+#define PERIPH_CLK_SOURCE_DIVIDLE_VAL 50
+#define PERIPH_CLK_UART_DIV_ENB (1<<24)
+#define PERIPH_CLK_VI_SEL_EX_SHIFT 24
+#define PERIPH_CLK_VI_SEL_EX_MASK (0x3<<PERIPH_CLK_VI_SEL_EX_SHIFT)
+#define PERIPH_CLK_NAND_DIV_EX_ENB (1<<8)
+#define PERIPH_CLK_DTV_POLARITY_INV (1<<25)
+
+#define AUDIO_SYNC_SOURCE_MASK 0x0F
+#define AUDIO_SYNC_DISABLE_BIT 0x10
+#define AUDIO_SYNC_TAP_NIBBLE_SHIFT(c) ((c->reg_shift - 24) * 4)
+
+#define PLL_BASE 0x0
+#define PLL_BASE_BYPASS (1<<31)
+#define PLL_BASE_ENABLE (1<<30)
+#define PLL_BASE_REF_ENABLE (1<<29)
+#define PLL_BASE_OVERRIDE (1<<28)
+#define PLL_BASE_LOCK (1<<27)
+#define PLL_BASE_DIVP_MASK (0x7<<20)
+#define PLL_BASE_DIVP_SHIFT 20
+#define PLL_BASE_DIVN_MASK (0x3FF<<8)
+#define PLL_BASE_DIVN_SHIFT 8
+#define PLL_BASE_DIVM_MASK (0x1F)
+#define PLL_BASE_DIVM_SHIFT 0
+
+#define PLL_OUT_RATIO_MASK (0xFF<<8)
+#define PLL_OUT_RATIO_SHIFT 8
+#define PLL_OUT_OVERRIDE (1<<2)
+#define PLL_OUT_CLKEN (1<<1)
+#define PLL_OUT_RESET_DISABLE (1<<0)
+
+#define PLL_MISC(c) \
+ (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc)
+#define PLL_MISC_LOCK_ENABLE(c) \
+ (((c)->flags & (PLLU | PLLD)) ? (1<<22) : (1<<18))
+
+#define PLL_MISC_DCCON_SHIFT 20
+#define PLL_MISC_CPCON_SHIFT 8
+#define PLL_MISC_CPCON_MASK (0xF<<PLL_MISC_CPCON_SHIFT)
+#define PLL_MISC_LFCON_SHIFT 4
+#define PLL_MISC_LFCON_MASK (0xF<<PLL_MISC_LFCON_SHIFT)
+#define PLL_MISC_VCOCON_SHIFT 0
+#define PLL_MISC_VCOCON_MASK (0xF<<PLL_MISC_VCOCON_SHIFT)
+#define PLLD_MISC_CLKENABLE (1<<30)
+
+#define PLLU_BASE_POST_DIV (1<<20)
+
+#define PLLD_BASE_DSIB_MUX_SHIFT 25
+#define PLLD_BASE_DSIB_MUX_MASK (1<<PLLD_BASE_DSIB_MUX_SHIFT)
+#define PLLD_BASE_CSI_CLKENABLE (1<<26)
+#define PLLD_MISC_DSI_CLKENABLE (1<<30)
+#define PLLD_MISC_DIV_RST (1<<23)
+#define PLLD_MISC_DCCON_SHIFT 12
+
+#define PLLDU_LFCON_SET_DIVN 600
+
+/* FIXME: OUT_OF_TABLE_CPCON per pll */
+#define OUT_OF_TABLE_CPCON 0x8
+
+#define SUPER_CLK_MUX 0x00
+#define SUPER_STATE_SHIFT 28
+#define SUPER_STATE_MASK (0xF << SUPER_STATE_SHIFT)
+#define SUPER_STATE_STANDBY (0x0 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_IDLE (0x1 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_RUN (0x2 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_IRQ (0x3 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_FIQ (0x4 << SUPER_STATE_SHIFT)
+#define SUPER_LP_DIV2_BYPASS (0x1 << 16)
+#define SUPER_SOURCE_MASK 0xF
+#define SUPER_FIQ_SOURCE_SHIFT 12
+#define SUPER_IRQ_SOURCE_SHIFT 8
+#define SUPER_RUN_SOURCE_SHIFT 4
+#define SUPER_IDLE_SOURCE_SHIFT 0
+
+#define SUPER_CLK_DIVIDER 0x04
+#define SUPER_CLOCK_DIV_U71_SHIFT 16
+#define SUPER_CLOCK_DIV_U71_MASK (0xff << SUPER_CLOCK_DIV_U71_SHIFT)
+/* guarantees safe cpu backup */
+#define SUPER_CLOCK_DIV_U71_MIN 0x2
+
+#define BUS_CLK_DISABLE (1<<3)
+#define BUS_CLK_DIV_MASK 0x3
+
+#define PMC_CTRL 0x0
+ #define PMC_CTRL_BLINK_ENB (1 << 7)
+
+#define PMC_DPD_PADS_ORIDE 0x1c
+ #define PMC_DPD_PADS_ORIDE_BLINK_ENB (1 << 20)
+
+#define PMC_BLINK_TIMER_DATA_ON_SHIFT 0
+#define PMC_BLINK_TIMER_DATA_ON_MASK 0x7fff
+#define PMC_BLINK_TIMER_ENB (1 << 15)
+#define PMC_BLINK_TIMER_DATA_OFF_SHIFT 16
+#define PMC_BLINK_TIMER_DATA_OFF_MASK 0xffff
+
+#define PMC_PLLP_WB0_OVERRIDE 0xf8
+#define PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE (1 << 12)
+
+#define UTMIP_PLL_CFG2 0x488
+#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
+#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN (1 << 0)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN (1 << 2)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN (1 << 4)
+
+#define UTMIP_PLL_CFG1 0x484
+#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
+#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN (1 << 14)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN (1 << 12)
+#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN (1 << 16)
+
+#define PLLE_BASE_CML_ENABLE (1<<31)
+#define PLLE_BASE_ENABLE (1<<30)
+#define PLLE_BASE_DIVCML_SHIFT 24
+#define PLLE_BASE_DIVCML_MASK (0xf<<PLLE_BASE_DIVCML_SHIFT)
+#define PLLE_BASE_DIVP_SHIFT 16
+#define PLLE_BASE_DIVP_MASK (0x3f<<PLLE_BASE_DIVP_SHIFT)
+#define PLLE_BASE_DIVN_SHIFT 8
+#define PLLE_BASE_DIVN_MASK (0xFF<<PLLE_BASE_DIVN_SHIFT)
+#define PLLE_BASE_DIVM_SHIFT 0
+#define PLLE_BASE_DIVM_MASK (0xFF<<PLLE_BASE_DIVM_SHIFT)
+#define PLLE_BASE_DIV_MASK \
+ (PLLE_BASE_DIVCML_MASK | PLLE_BASE_DIVP_MASK | \
+ PLLE_BASE_DIVN_MASK | PLLE_BASE_DIVM_MASK)
+#define PLLE_BASE_DIV(m, n, p, cml) \
+ (((cml)<<PLLE_BASE_DIVCML_SHIFT) | ((p)<<PLLE_BASE_DIVP_SHIFT) | \
+ ((n)<<PLLE_BASE_DIVN_SHIFT) | ((m)<<PLLE_BASE_DIVM_SHIFT))
+
+#define PLLE_MISC_SETUP_BASE_SHIFT 16
+#define PLLE_MISC_SETUP_BASE_MASK (0xFFFF<<PLLE_MISC_SETUP_BASE_SHIFT)
+#define PLLE_MISC_READY (1<<15)
+#define PLLE_MISC_LOCK (1<<11)
+#define PLLE_MISC_LOCK_ENABLE (1<<9)
+#define PLLE_MISC_SETUP_EX_SHIFT 2
+#define PLLE_MISC_SETUP_EX_MASK (0x3<<PLLE_MISC_SETUP_EX_SHIFT)
+#define PLLE_MISC_SETUP_MASK \
+ (PLLE_MISC_SETUP_BASE_MASK | PLLE_MISC_SETUP_EX_MASK)
+#define PLLE_MISC_SETUP_VALUE \
+ ((0x7<<PLLE_MISC_SETUP_BASE_SHIFT) | (0x0<<PLLE_MISC_SETUP_EX_SHIFT))
+
+#define PLLE_SS_CTRL 0x68
+#define PLLE_SS_INCINTRV_SHIFT 24
+#define PLLE_SS_INCINTRV_MASK (0x3f<<PLLE_SS_INCINTRV_SHIFT)
+#define PLLE_SS_INC_SHIFT 16
+#define PLLE_SS_INC_MASK (0xff<<PLLE_SS_INC_SHIFT)
+#define PLLE_SS_MAX_SHIFT 0
+#define PLLE_SS_MAX_MASK (0x1ff<<PLLE_SS_MAX_SHIFT)
+#define PLLE_SS_COEFFICIENTS_MASK \
+ (PLLE_SS_INCINTRV_MASK | PLLE_SS_INC_MASK | PLLE_SS_MAX_MASK)
+#define PLLE_SS_COEFFICIENTS_12MHZ \
+ ((0x18<<PLLE_SS_INCINTRV_SHIFT) | (0x1<<PLLE_SS_INC_SHIFT) | \
+ (0x24<<PLLE_SS_MAX_SHIFT))
+#define PLLE_SS_DISABLE ((1<<12) | (1<<11) | (1<<10))
+
+#define PLLE_AUX 0x48c
+#define PLLE_AUX_PLLP_SEL (1<<2)
+#define PLLE_AUX_CML_SATA_ENABLE (1<<1)
+#define PLLE_AUX_CML_PCIE_ENABLE (1<<0)
+
+#define PMC_SATA_PWRGT 0x1ac
+#define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE (1<<5)
+#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1<<4)
+
+#define ROUND_DIVIDER_UP 0
+#define ROUND_DIVIDER_DOWN 1
+
+/* FIXME: recommended safety delay after lock is detected */
+#define PLL_POST_LOCK_DELAY 100
+
+/**
+* Structure defining the fields for USB UTMI clocks Parameters.
+*/
+struct utmi_clk_param {
+ /* Oscillator Frequency in KHz */
+ u32 osc_frequency;
+ /* UTMIP PLL Enable Delay Count */
+ u8 enable_delay_count;
+ /* UTMIP PLL Stable count */
+ u8 stable_count;
+ /* UTMIP PLL Active delay count */
+ u8 active_delay_count;
+ /* UTMIP PLL Xtal frequency count */
+ u8 xtal_freq_count;
+};
+
+static const struct utmi_clk_param utmi_parameters[] = {
+ {
+ .osc_frequency = 13000000,
+ .enable_delay_count = 0x02,
+ .stable_count = 0x33,
+ .active_delay_count = 0x05,
+ .xtal_freq_count = 0x7F
+ },
+ {
+ .osc_frequency = 19200000,
+ .enable_delay_count = 0x03,
+ .stable_count = 0x4B,
+ .active_delay_count = 0x06,
+ .xtal_freq_count = 0xBB},
+ {
+ .osc_frequency = 12000000,
+ .enable_delay_count = 0x02,
+ .stable_count = 0x2F,
+ .active_delay_count = 0x04,
+ .xtal_freq_count = 0x76
+ },
+ {
+ .osc_frequency = 26000000,
+ .enable_delay_count = 0x04,
+ .stable_count = 0x66,
+ .active_delay_count = 0x09,
+ .xtal_freq_count = 0xFE
+ },
+ {
+ .osc_frequency = 16800000,
+ .enable_delay_count = 0x03,
+ .stable_count = 0x41,
+ .active_delay_count = 0x0A,
+ .xtal_freq_count = 0xA4
+ },
+};
+
+static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE);
+static void __iomem *reg_pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+static void __iomem *misc_gp_hidrev_base = IO_ADDRESS(TEGRA_APB_MISC_BASE);
+
+#define MISC_GP_HIDREV 0x804
+
+/*
+ * Some peripheral clocks share an enable bit, so refcount the enable bits
+ * in registers CLK_ENABLE_L, ... CLK_ENABLE_W
+ */
+static int tegra_periph_clk_enable_refcount[CLK_OUT_ENB_NUM * 32];
+
+#define clk_writel(value, reg) \
+ __raw_writel(value, (u32)reg_clk_base + (reg))
+#define clk_readl(reg) \
+ __raw_readl((u32)reg_clk_base + (reg))
+#define pmc_writel(value, reg) \
+ __raw_writel(value, (u32)reg_pmc_base + (reg))
+#define pmc_readl(reg) \
+ __raw_readl((u32)reg_pmc_base + (reg))
+#define chipid_readl() \
+ __raw_readl((u32)misc_gp_hidrev_base + MISC_GP_HIDREV)
+
+#define clk_writel_delay(value, reg) \
+ do { \
+ __raw_writel((value), (u32)reg_clk_base + (reg)); \
+ udelay(2); \
+ } while (0)
+
+
+static inline int clk_set_div(struct clk *c, u32 n)
+{
+ return clk_set_rate(c, (clk_get_rate(c->parent) + n-1) / n);
+}
+
+static inline u32 periph_clk_to_reg(
+ struct clk *c, u32 reg_L, u32 reg_V, int offs)
+{
+ u32 reg = c->u.periph.clk_num / 32;
+ BUG_ON(reg >= RST_DEVICES_NUM);
+ if (reg < 3)
+ reg = reg_L + (reg * offs);
+ else
+ reg = reg_V + ((reg - 3) * offs);
+ return reg;
+}
+
+static unsigned long clk_measure_input_freq(void)
+{
+ u32 clock_autodetect;
+ clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET);
+ do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY);
+ clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS);
+ if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) {
+ return 12000000;
+ } else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) {
+ return 13000000;
+ } else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) {
+ return 19200000;
+ } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) {
+ return 26000000;
+ } else if (clock_autodetect >= 1025 - 3 && clock_autodetect <= 1025 + 3) {
+ return 16800000;
+ } else if (clock_autodetect >= 2344 - 3 && clock_autodetect <= 2344 + 3) {
+ return 38400000;
+ } else if (clock_autodetect >= 2928 - 3 && clock_autodetect <= 2928 + 3) {
+ return 48000000;
+ } else {
+ pr_err("%s: Unexpected clock autodetect value %d", __func__,
+ clock_autodetect);
+ BUG();
+ return 0;
+ }
+}
+
+static int clk_div71_get_divider(unsigned long parent_rate, unsigned long rate,
+ u32 flags, u32 round_mode)
+{
+ s64 divider_u71 = parent_rate;
+ if (!rate)
+ return -EINVAL;
+
+ if (!(flags & DIV_U71_INT))
+ divider_u71 *= 2;
+ if (round_mode == ROUND_DIVIDER_UP)
+ divider_u71 += rate - 1;
+ do_div(divider_u71, rate);
+ if (flags & DIV_U71_INT)
+ divider_u71 *= 2;
+
+ if (divider_u71 - 2 < 0)
+ return 0;
+
+ if (divider_u71 - 2 > 255)
+ return -EINVAL;
+
+ return divider_u71 - 2;
+}
+
+static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate)
+{
+ s64 divider_u16;
+
+ divider_u16 = parent_rate;
+ if (!rate)
+ return -EINVAL;
+ divider_u16 += rate - 1;
+ do_div(divider_u16, rate);
+
+ if (divider_u16 - 1 < 0)
+ return 0;
+
+ if (divider_u16 - 1 > 0xFFFF)
+ return -EINVAL;
+
+ return divider_u16 - 1;
+}
+
+/* clk_m functions */
+static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c)
+{
+ u32 osc_ctrl = clk_readl(OSC_CTRL);
+ u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK;
+ u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
+
+ c->rate = clk_measure_input_freq();
+ switch (c->rate) {
+ case 12000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 13000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_13MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 19200000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_19_2MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 26000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 16800000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_16_8MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 38400000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_38_4MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2);
+ break;
+ case 48000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_48MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4);
+ break;
+ default:
+ pr_err("%s: Unexpected clock rate %ld", __func__, c->rate);
+ BUG();
+ }
+ clk_writel(auto_clock_control, OSC_CTRL);
+ return c->rate;
+}
+
+static void tegra30_clk_m_init(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ tegra30_clk_m_autodetect_rate(c);
+}
+
+static int tegra30_clk_m_enable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ return 0;
+}
+
+static void tegra30_clk_m_disable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ WARN(1, "Attempting to disable main SoC clock\n");
+}
+
+static struct clk_ops tegra_clk_m_ops = {
+ .init = tegra30_clk_m_init,
+ .enable = tegra30_clk_m_enable,
+ .disable = tegra30_clk_m_disable,
+};
+
+static struct clk_ops tegra_clk_m_div_ops = {
+ .enable = tegra30_clk_m_enable,
+};
+
+/* PLL reference divider functions */
+static void tegra30_pll_ref_init(struct clk *c)
+{
+ u32 pll_ref_div = clk_readl(OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ switch (pll_ref_div) {
+ case OSC_CTRL_PLL_REF_DIV_1:
+ c->div = 1;
+ break;
+ case OSC_CTRL_PLL_REF_DIV_2:
+ c->div = 2;
+ break;
+ case OSC_CTRL_PLL_REF_DIV_4:
+ c->div = 4;
+ break;
+ default:
+ pr_err("%s: Invalid pll ref divider %d", __func__, pll_ref_div);
+ BUG();
+ }
+ c->mul = 1;
+ c->state = ON;
+}
+
+static struct clk_ops tegra_pll_ref_ops = {
+ .init = tegra30_pll_ref_init,
+ .enable = tegra30_clk_m_enable,
+ .disable = tegra30_clk_m_disable,
+};
+
+/* super clock functions */
+/* "super clocks" on tegra30 have two-stage muxes, fractional 7.1 divider and
+ * clock skipping super divider. We will ignore the clock skipping divider,
+ * since we can't lower the voltage when using the clock skip, but we can if
+ * we lower the PLL frequency. We will use 7.1 divider for CPU super-clock
+ * only when its parent is a fixed rate PLL, since we can't change PLL rate
+ * in this case.
+ */
+static void tegra30_super_clk_init(struct clk *c)
+{
+ u32 val;
+ int source;
+ int shift;
+ const struct clk_mux_sel *sel;
+ val = clk_readl(c->reg + SUPER_CLK_MUX);
+ c->state = ON;
+ BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
+ ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
+ shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
+ SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
+ source = (val >> shift) & SUPER_SOURCE_MASK;
+ if (c->flags & DIV_2)
+ source |= val & SUPER_LP_DIV2_BYPASS;
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->value == source)
+ break;
+ }
+ BUG_ON(sel->input == NULL);
+ c->parent = sel->input;
+
+ if (c->flags & DIV_U71) {
+ /* Init safe 7.1 divider value (does not affect PLLX path) */
+ clk_writel(SUPER_CLOCK_DIV_U71_MIN << SUPER_CLOCK_DIV_U71_SHIFT,
+ c->reg + SUPER_CLK_DIVIDER);
+ c->mul = 2;
+ c->div = 2;
+ if (!(c->parent->flags & PLLX))
+ c->div += SUPER_CLOCK_DIV_U71_MIN;
+ } else
+ clk_writel(0, c->reg + SUPER_CLK_DIVIDER);
+}
+
+static int tegra30_super_clk_enable(struct clk *c)
+{
+ return 0;
+}
+
+static void tegra30_super_clk_disable(struct clk *c)
+{
+ /* since tegra 3 has 2 CPU super clocks - low power lp-mode clock and
+ geared up g-mode super clock - mode switch may request to disable
+ either of them; accept request with no affect on h/w */
+}
+
+static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ const struct clk_mux_sel *sel;
+ int shift;
+
+ val = clk_readl(c->reg + SUPER_CLK_MUX);
+ BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
+ ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
+ shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
+ SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ /* For LP mode super-clock switch between PLLX direct
+ and divided-by-2 outputs is allowed only when other
+ than PLLX clock source is current parent */
+ if ((c->flags & DIV_2) && (p->flags & PLLX) &&
+ ((sel->value ^ val) & SUPER_LP_DIV2_BYPASS)) {
+ if (c->parent->flags & PLLX)
+ return -EINVAL;
+ val ^= SUPER_LP_DIV2_BYPASS;
+ clk_writel_delay(val, c->reg);
+ }
+ val &= ~(SUPER_SOURCE_MASK << shift);
+ val |= (sel->value & SUPER_SOURCE_MASK) << shift;
+
+ /* 7.1 divider for CPU super-clock does not affect
+ PLLX path */
+ if (c->flags & DIV_U71) {
+ u32 div = 0;
+ if (!(p->flags & PLLX)) {
+ div = clk_readl(c->reg +
+ SUPER_CLK_DIVIDER);
+ div &= SUPER_CLOCK_DIV_U71_MASK;
+ div >>= SUPER_CLOCK_DIV_U71_SHIFT;
+ }
+ c->div = div + 2;
+ c->mul = 2;
+ }
+
+ if (c->refcnt)
+ clk_enable(p);
+
+ clk_writel_delay(val, c->reg);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+/*
+ * Do not use super clocks "skippers", since dividing using a clock skipper
+ * does not allow the voltage to be scaled down. Instead adjust the rate of
+ * the parent clock. This requires that the parent of a super clock have no
+ * other children, otherwise the rate will change underneath the other
+ * children. Special case: if fixed rate PLL is CPU super clock parent the
+ * rate of this PLL can't be changed, and it has many other children. In
+ * this case use 7.1 fractional divider to adjust the super clock rate.
+ */
+static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ if ((c->flags & DIV_U71) && (c->parent->flags & PLL_FIXED)) {
+ int div = clk_div71_get_divider(c->parent->u.pll.fixed_rate,
+ rate, c->flags, ROUND_DIVIDER_DOWN);
+ div = max(div, SUPER_CLOCK_DIV_U71_MIN);
+
+ clk_writel(div << SUPER_CLOCK_DIV_U71_SHIFT,
+ c->reg + SUPER_CLK_DIVIDER);
+ c->div = div + 2;
+ c->mul = 2;
+ return 0;
+ }
+ return clk_set_rate(c->parent, rate);
+}
+
+static struct clk_ops tegra_super_ops = {
+ .init = tegra30_super_clk_init,
+ .enable = tegra30_super_clk_enable,
+ .disable = tegra30_super_clk_disable,
+ .set_parent = tegra30_super_clk_set_parent,
+ .set_rate = tegra30_super_clk_set_rate,
+};
+
+static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ /* The input value 'rate' is the clock rate of the CPU complex. */
+ c->rate = (rate * c->mul) / c->div;
+ return 0;
+}
+
+static struct clk_ops tegra30_twd_ops = {
+ .set_rate = tegra30_twd_clk_set_rate,
+};
+
+/* Blink output functions */
+
+static void tegra30_blink_clk_init(struct clk *c)
+{
+ u32 val;
+
+ val = pmc_readl(PMC_CTRL);
+ c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF;
+ c->mul = 1;
+ val = pmc_readl(c->reg);
+
+ if (val & PMC_BLINK_TIMER_ENB) {
+ unsigned int on_off;
+
+ on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) &
+ PMC_BLINK_TIMER_DATA_ON_MASK;
+ val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
+ val &= PMC_BLINK_TIMER_DATA_OFF_MASK;
+ on_off += val;
+ /* each tick in the blink timer is 4 32KHz clocks */
+ c->div = on_off * 4;
+ } else {
+ c->div = 1;
+ }
+}
+
+static int tegra30_blink_clk_enable(struct clk *c)
+{
+ u32 val;
+
+ val = pmc_readl(PMC_DPD_PADS_ORIDE);
+ pmc_writel(val | PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
+
+ val = pmc_readl(PMC_CTRL);
+ pmc_writel(val | PMC_CTRL_BLINK_ENB, PMC_CTRL);
+
+ return 0;
+}
+
+static void tegra30_blink_clk_disable(struct clk *c)
+{
+ u32 val;
+
+ val = pmc_readl(PMC_CTRL);
+ pmc_writel(val & ~PMC_CTRL_BLINK_ENB, PMC_CTRL);
+
+ val = pmc_readl(PMC_DPD_PADS_ORIDE);
+ pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
+}
+
+static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ unsigned long parent_rate = clk_get_rate(c->parent);
+ if (rate >= parent_rate) {
+ c->div = 1;
+ pmc_writel(0, c->reg);
+ } else {
+ unsigned int on_off;
+ u32 val;
+
+ on_off = DIV_ROUND_UP(parent_rate / 8, rate);
+ c->div = on_off * 8;
+
+ val = (on_off & PMC_BLINK_TIMER_DATA_ON_MASK) <<
+ PMC_BLINK_TIMER_DATA_ON_SHIFT;
+ on_off &= PMC_BLINK_TIMER_DATA_OFF_MASK;
+ on_off <<= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
+ val |= on_off;
+ val |= PMC_BLINK_TIMER_ENB;
+ pmc_writel(val, c->reg);
+ }
+
+ return 0;
+}
+
+static struct clk_ops tegra_blink_clk_ops = {
+ .init = &tegra30_blink_clk_init,
+ .enable = &tegra30_blink_clk_enable,
+ .disable = &tegra30_blink_clk_disable,
+ .set_rate = &tegra30_blink_clk_set_rate,
+};
+
+/* PLL Functions */
+static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg,
+ u32 lock_bit)
+{
+#if USE_PLL_LOCK_BITS
+ int i;
+ for (i = 0; i < c->u.pll.lock_delay; i++) {
+ if (clk_readl(lock_reg) & lock_bit) {
+ udelay(PLL_POST_LOCK_DELAY);
+ return 0;
+ }
+ udelay(2); /* timeout = 2 * lock time */
+ }
+ pr_err("Timed out waiting for lock bit on pll %s", c->name);
+ return -1;
+#endif
+ udelay(c->u.pll.lock_delay);
+
+ return 0;
+}
+
+
+static void tegra30_utmi_param_configure(struct clk *c)
+{
+ u32 reg;
+ int i;
+ unsigned long main_rate =
+ clk_get_rate(c->parent->parent);
+
+ for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
+ if (main_rate == utmi_parameters[i].osc_frequency)
+ break;
+ }
+
+ if (i >= ARRAY_SIZE(utmi_parameters)) {
+ pr_err("%s: Unexpected main rate %lu\n", __func__, main_rate);
+ return;
+ }
+
+ reg = clk_readl(UTMIP_PLL_CFG2);
+
+ /* Program UTMIP PLL stable and active counts */
+ /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
+ reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
+ reg |= UTMIP_PLL_CFG2_STABLE_COUNT(
+ utmi_parameters[i].stable_count);
+
+ reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
+
+ reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(
+ utmi_parameters[i].active_delay_count);
+
+ /* Remove power downs from UTMIP PLL control bits */
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
+
+ clk_writel(reg, UTMIP_PLL_CFG2);
+
+ /* Program UTMIP PLL delay and oscillator frequency counts */
+ reg = clk_readl(UTMIP_PLL_CFG1);
+ reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
+
+ reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(
+ utmi_parameters[i].enable_delay_count);
+
+ reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
+ reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(
+ utmi_parameters[i].xtal_freq_count);
+
+ /* Remove power downs from UTMIP PLL control bits */
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
+
+ clk_writel(reg, UTMIP_PLL_CFG1);
+}
+
+static void tegra30_pll_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg + PLL_BASE);
+
+ c->state = (val & PLL_BASE_ENABLE) ? ON : OFF;
+
+ if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) {
+ const struct clk_pll_freq_table *sel;
+ unsigned long input_rate = clk_get_rate(c->parent);
+ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
+ if (sel->input_rate == input_rate &&
+ sel->output_rate == c->u.pll.fixed_rate) {
+ c->mul = sel->n;
+ c->div = sel->m * sel->p;
+ return;
+ }
+ }
+ pr_err("Clock %s has unknown fixed frequency\n", c->name);
+ BUG();
+ } else if (val & PLL_BASE_BYPASS) {
+ c->mul = 1;
+ c->div = 1;
+ } else {
+ c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT;
+ c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT;
+ if (c->flags & PLLU)
+ c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2;
+ else
+ c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >>
+ PLL_BASE_DIVP_SHIFT));
+ if (c->flags & PLL_FIXED) {
+ unsigned long rate = clk_get_rate_locked(c);
+ BUG_ON(rate != c->u.pll.fixed_rate);
+ }
+ }
+
+ if (c->flags & PLLU)
+ tegra30_utmi_param_configure(c);
+}
+
+static int tegra30_pll_clk_enable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+#if USE_PLL_LOCK_BITS
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val |= PLL_MISC_LOCK_ENABLE(c);
+ clk_writel(val, c->reg + PLL_MISC(c));
+#endif
+ val = clk_readl(c->reg + PLL_BASE);
+ val &= ~PLL_BASE_BYPASS;
+ val |= PLL_BASE_ENABLE;
+ clk_writel(val, c->reg + PLL_BASE);
+
+ if (c->flags & PLLM) {
+ val = pmc_readl(PMC_PLLP_WB0_OVERRIDE);
+ val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
+ pmc_writel(val, PMC_PLLP_WB0_OVERRIDE);
+ }
+
+ tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_BASE, PLL_BASE_LOCK);
+
+ return 0;
+}
+
+static void tegra30_pll_clk_disable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ val = clk_readl(c->reg);
+ val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+ clk_writel(val, c->reg);
+
+ if (c->flags & PLLM) {
+ val = pmc_readl(PMC_PLLP_WB0_OVERRIDE);
+ val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
+ pmc_writel(val, PMC_PLLP_WB0_OVERRIDE);
+ }
+}
+
+static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val, p_div, old_base;
+ unsigned long input_rate;
+ const struct clk_pll_freq_table *sel;
+ struct clk_pll_freq_table cfg;
+
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+
+ if (c->flags & PLL_FIXED) {
+ int ret = 0;
+ if (rate != c->u.pll.fixed_rate) {
+ pr_err("%s: Can not change %s fixed rate %lu to %lu\n",
+ __func__, c->name, c->u.pll.fixed_rate, rate);
+ ret = -EINVAL;
+ }
+ return ret;
+ }
+
+ if (c->flags & PLLM) {
+ if (rate != clk_get_rate_locked(c)) {
+ pr_err("%s: Can not change memory %s rate in flight\n",
+ __func__, c->name);
+ return -EINVAL;
+ }
+ return 0;
+ }
+
+ p_div = 0;
+ input_rate = clk_get_rate(c->parent);
+
+ /* Check if the target rate is tabulated */
+ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
+ if (sel->input_rate == input_rate && sel->output_rate == rate) {
+ if (c->flags & PLLU) {
+ BUG_ON(sel->p < 1 || sel->p > 2);
+ if (sel->p == 1)
+ p_div = PLLU_BASE_POST_DIV;
+ } else {
+ BUG_ON(sel->p < 1);
+ for (val = sel->p; val > 1; val >>= 1)
+ p_div++;
+ p_div <<= PLL_BASE_DIVP_SHIFT;
+ }
+ break;
+ }
+ }
+
+ /* Configure out-of-table rate */
+ if (sel->input_rate == 0) {
+ unsigned long cfreq;
+ BUG_ON(c->flags & PLLU);
+ sel = &cfg;
+
+ switch (input_rate) {
+ case 12000000:
+ case 26000000:
+ cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000;
+ break;
+ case 13000000:
+ cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000;
+ break;
+ case 16800000:
+ case 19200000:
+ cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000;
+ break;
+ default:
+ pr_err("%s: Unexpected reference rate %lu\n",
+ __func__, input_rate);
+ BUG();
+ }
+
+ /* Raise VCO to guarantee 0.5% accuracy */
+ for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq;
+ cfg.output_rate <<= 1)
+ p_div++;
+
+ cfg.p = 0x1 << p_div;
+ cfg.m = input_rate / cfreq;
+ cfg.n = cfg.output_rate / cfreq;
+ cfg.cpcon = OUT_OF_TABLE_CPCON;
+
+ if ((cfg.m > (PLL_BASE_DIVM_MASK >> PLL_BASE_DIVM_SHIFT)) ||
+ (cfg.n > (PLL_BASE_DIVN_MASK >> PLL_BASE_DIVN_SHIFT)) ||
+ (p_div > (PLL_BASE_DIVP_MASK >> PLL_BASE_DIVP_SHIFT)) ||
+ (cfg.output_rate > c->u.pll.vco_max)) {
+ pr_err("%s: Failed to set %s out-of-table rate %lu\n",
+ __func__, c->name, rate);
+ return -EINVAL;
+ }
+ p_div <<= PLL_BASE_DIVP_SHIFT;
+ }
+
+ c->mul = sel->n;
+ c->div = sel->m * sel->p;
+
+ old_base = val = clk_readl(c->reg + PLL_BASE);
+ val &= ~(PLL_BASE_DIVM_MASK | PLL_BASE_DIVN_MASK |
+ ((c->flags & PLLU) ? PLLU_BASE_POST_DIV : PLL_BASE_DIVP_MASK));
+ val |= (sel->m << PLL_BASE_DIVM_SHIFT) |
+ (sel->n << PLL_BASE_DIVN_SHIFT) | p_div;
+ if (val == old_base)
+ return 0;
+
+ if (c->state == ON) {
+ tegra30_pll_clk_disable(c);
+ val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+ }
+ clk_writel(val, c->reg + PLL_BASE);
+
+ if (c->flags & PLL_HAS_CPCON) {
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val &= ~PLL_MISC_CPCON_MASK;
+ val |= sel->cpcon << PLL_MISC_CPCON_SHIFT;
+ if (c->flags & (PLLU | PLLD)) {
+ val &= ~PLL_MISC_LFCON_MASK;
+ if (sel->n >= PLLDU_LFCON_SET_DIVN)
+ val |= 0x1 << PLL_MISC_LFCON_SHIFT;
+ } else if (c->flags & (PLLX | PLLM)) {
+ val &= ~(0x1 << PLL_MISC_DCCON_SHIFT);
+ if (rate >= (c->u.pll.vco_max >> 1))
+ val |= 0x1 << PLL_MISC_DCCON_SHIFT;
+ }
+ clk_writel(val, c->reg + PLL_MISC(c));
+ }
+
+ if (c->state == ON)
+ tegra30_pll_clk_enable(c);
+
+ return 0;
+}
+
+static struct clk_ops tegra_pll_ops = {
+ .init = tegra30_pll_clk_init,
+ .enable = tegra30_pll_clk_enable,
+ .disable = tegra30_pll_clk_disable,
+ .set_rate = tegra30_pll_clk_set_rate,
+};
+
+static int
+tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ u32 val, mask, reg;
+
+ switch (p) {
+ case TEGRA_CLK_PLLD_CSI_OUT_ENB:
+ mask = PLLD_BASE_CSI_CLKENABLE;
+ reg = c->reg + PLL_BASE;
+ break;
+ case TEGRA_CLK_PLLD_DSI_OUT_ENB:
+ mask = PLLD_MISC_DSI_CLKENABLE;
+ reg = c->reg + PLL_MISC(c);
+ break;
+ case TEGRA_CLK_PLLD_MIPI_MUX_SEL:
+ if (!(c->flags & PLL_ALT_MISC_REG)) {
+ mask = PLLD_BASE_DSIB_MUX_MASK;
+ reg = c->reg + PLL_BASE;
+ break;
+ }
+ /* fall through - error since PLLD2 does not have MUX_SEL control */
+ default:
+ return -EINVAL;
+ }
+
+ val = clk_readl(reg);
+ if (setting)
+ val |= mask;
+ else
+ val &= ~mask;
+ clk_writel(val, reg);
+ return 0;
+}
+
+static struct clk_ops tegra_plld_ops = {
+ .init = tegra30_pll_clk_init,
+ .enable = tegra30_pll_clk_enable,
+ .disable = tegra30_pll_clk_disable,
+ .set_rate = tegra30_pll_clk_set_rate,
+ .clk_cfg_ex = tegra30_plld_clk_cfg_ex,
+};
+
+static void tegra30_plle_clk_init(struct clk *c)
+{
+ u32 val;
+
+ val = clk_readl(PLLE_AUX);
+ c->parent = (val & PLLE_AUX_PLLP_SEL) ?
+ tegra_get_clock_by_name("pll_p") :
+ tegra_get_clock_by_name("pll_ref");
+
+ val = clk_readl(c->reg + PLL_BASE);
+ c->state = (val & PLLE_BASE_ENABLE) ? ON : OFF;
+ c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT;
+ c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT;
+ c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT;
+}
+
+static void tegra30_plle_clk_disable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ val = clk_readl(c->reg + PLL_BASE);
+ val &= ~(PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE);
+ clk_writel(val, c->reg + PLL_BASE);
+}
+
+static void tegra30_plle_training(struct clk *c)
+{
+ u32 val;
+
+ /* PLLE is already disabled, and setup cleared;
+ * create falling edge on PLLE IDDQ input */
+ val = pmc_readl(PMC_SATA_PWRGT);
+ val |= PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
+ pmc_writel(val, PMC_SATA_PWRGT);
+
+ val = pmc_readl(PMC_SATA_PWRGT);
+ val |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
+ pmc_writel(val, PMC_SATA_PWRGT);
+
+ val = pmc_readl(PMC_SATA_PWRGT);
+ val &= ~PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
+ pmc_writel(val, PMC_SATA_PWRGT);
+
+ do {
+ val = clk_readl(c->reg + PLL_MISC(c));
+ } while (!(val & PLLE_MISC_READY));
+}
+
+static int tegra30_plle_configure(struct clk *c, bool force_training)
+{
+ u32 val;
+ const struct clk_pll_freq_table *sel;
+ unsigned long rate = c->u.pll.fixed_rate;
+ unsigned long input_rate = clk_get_rate(c->parent);
+
+ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
+ if (sel->input_rate == input_rate && sel->output_rate == rate)
+ break;
+ }
+
+ if (sel->input_rate == 0)
+ return -ENOSYS;
+
+ /* disable PLLE, clear setup fiels */
+ tegra30_plle_clk_disable(c);
+
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK);
+ clk_writel(val, c->reg + PLL_MISC(c));
+
+ /* training */
+ val = clk_readl(c->reg + PLL_MISC(c));
+ if (force_training || (!(val & PLLE_MISC_READY)))
+ tegra30_plle_training(c);
+
+ /* configure dividers, setup, disable SS */
+ val = clk_readl(c->reg + PLL_BASE);
+ val &= ~PLLE_BASE_DIV_MASK;
+ val |= PLLE_BASE_DIV(sel->m, sel->n, sel->p, sel->cpcon);
+ clk_writel(val, c->reg + PLL_BASE);
+ c->mul = sel->n;
+ c->div = sel->m * sel->p;
+
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val |= PLLE_MISC_SETUP_VALUE;
+ val |= PLLE_MISC_LOCK_ENABLE;
+ clk_writel(val, c->reg + PLL_MISC(c));
+
+ val = clk_readl(PLLE_SS_CTRL);
+ val |= PLLE_SS_DISABLE;
+ clk_writel(val, PLLE_SS_CTRL);
+
+ /* enable and lock PLLE*/
+ val = clk_readl(c->reg + PLL_BASE);
+ val |= (PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE);
+ clk_writel(val, c->reg + PLL_BASE);
+
+ tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_MISC(c), PLLE_MISC_LOCK);
+
+ return 0;
+}
+
+static int tegra30_plle_clk_enable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ return tegra30_plle_configure(c, !c->set);
+}
+
+static struct clk_ops tegra_plle_ops = {
+ .init = tegra30_plle_clk_init,
+ .enable = tegra30_plle_clk_enable,
+ .disable = tegra30_plle_clk_disable,
+};
+
+/* Clock divider ops */
+static void tegra30_pll_div_clk_init(struct clk *c)
+{
+ if (c->flags & DIV_U71) {
+ u32 divu71;
+ u32 val = clk_readl(c->reg);
+ val >>= c->reg_shift;
+ c->state = (val & PLL_OUT_CLKEN) ? ON : OFF;
+ if (!(val & PLL_OUT_RESET_DISABLE))
+ c->state = OFF;
+
+ divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT;
+ c->div = (divu71 + 2);
+ c->mul = 2;
+ } else if (c->flags & DIV_2) {
+ c->state = ON;
+ if (c->flags & (PLLD | PLLX)) {
+ c->div = 2;
+ c->mul = 1;
+ } else
+ BUG();
+ } else {
+ c->state = ON;
+ c->div = 1;
+ c->mul = 1;
+ }
+}
+
+static int tegra30_pll_div_clk_enable(struct clk *c)
+{
+ u32 val;
+ u32 new_val;
+
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->flags & DIV_U71) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+
+ new_val |= PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE;
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel_delay(val, c->reg);
+ return 0;
+ } else if (c->flags & DIV_2) {
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static void tegra30_pll_div_clk_disable(struct clk *c)
+{
+ u32 val;
+ u32 new_val;
+
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->flags & DIV_U71) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+
+ new_val &= ~(PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE);
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel_delay(val, c->reg);
+ }
+}
+
+static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ u32 new_val;
+ int divider_u71;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+ if (c->flags & DIV_U71) {
+ divider_u71 = clk_div71_get_divider(
+ parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
+ if (divider_u71 >= 0) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+ if (c->flags & DIV_U71_FIXED)
+ new_val |= PLL_OUT_OVERRIDE;
+ new_val &= ~PLL_OUT_RATIO_MASK;
+ new_val |= divider_u71 << PLL_OUT_RATIO_SHIFT;
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel_delay(val, c->reg);
+ c->div = divider_u71 + 2;
+ c->mul = 2;
+ return 0;
+ }
+ } else if (c->flags & DIV_2)
+ return clk_set_rate(c->parent, rate * 2);
+
+ return -EINVAL;
+}
+
+static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate)
+{
+ int divider;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+
+ if (c->flags & DIV_U71) {
+ divider = clk_div71_get_divider(
+ parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
+ if (divider < 0)
+ return divider;
+ return DIV_ROUND_UP(parent_rate * 2, divider + 2);
+ } else if (c->flags & DIV_2)
+ /* no rounding - fixed DIV_2 dividers pass rate to parent PLL */
+ return rate;
+
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_pll_div_ops = {
+ .init = tegra30_pll_div_clk_init,
+ .enable = tegra30_pll_div_clk_enable,
+ .disable = tegra30_pll_div_clk_disable,
+ .set_rate = tegra30_pll_div_clk_set_rate,
+ .round_rate = tegra30_pll_div_clk_round_rate,
+};
+
+/* Periph clk ops */
+static inline u32 periph_clk_source_mask(struct clk *c)
+{
+ if (c->flags & MUX8)
+ return 7 << 29;
+ else if (c->flags & MUX_PWM)
+ return 3 << 28;
+ else if (c->flags & MUX_CLK_OUT)
+ return 3 << (c->u.periph.clk_num + 4);
+ else if (c->flags & PLLD)
+ return PLLD_BASE_DSIB_MUX_MASK;
+ else
+ return 3 << 30;
+}
+
+static inline u32 periph_clk_source_shift(struct clk *c)
+{
+ if (c->flags & MUX8)
+ return 29;
+ else if (c->flags & MUX_PWM)
+ return 28;
+ else if (c->flags & MUX_CLK_OUT)
+ return c->u.periph.clk_num + 4;
+ else if (c->flags & PLLD)
+ return PLLD_BASE_DSIB_MUX_SHIFT;
+ else
+ return 30;
+}
+
+static void tegra30_periph_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ const struct clk_mux_sel *mux = 0;
+ const struct clk_mux_sel *sel;
+ if (c->flags & MUX) {
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (((val & periph_clk_source_mask(c)) >>
+ periph_clk_source_shift(c)) == sel->value)
+ mux = sel;
+ }
+ BUG_ON(!mux);
+
+ c->parent = mux->input;
+ } else {
+ c->parent = c->inputs[0].input;
+ }
+
+ if (c->flags & DIV_U71) {
+ u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK;
+ if ((c->flags & DIV_U71_UART) &&
+ (!(val & PERIPH_CLK_UART_DIV_ENB))) {
+ divu71 = 0;
+ }
+ if (c->flags & DIV_U71_IDLE) {
+ val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK <<
+ PERIPH_CLK_SOURCE_DIVIDLE_SHIFT);
+ val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL <<
+ PERIPH_CLK_SOURCE_DIVIDLE_SHIFT);
+ clk_writel(val, c->reg);
+ }
+ c->div = divu71 + 2;
+ c->mul = 2;
+ } else if (c->flags & DIV_U16) {
+ u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK;
+ c->div = divu16 + 1;
+ c->mul = 1;
+ } else {
+ c->div = 1;
+ c->mul = 1;
+ }
+
+ c->state = ON;
+ if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c)))
+ c->state = OFF;
+ if (!(c->flags & PERIPH_NO_RESET))
+ if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & PERIPH_CLK_TO_BIT(c))
+ c->state = OFF;
+}
+
+static int tegra30_periph_clk_enable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++;
+ if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1)
+ return 0;
+
+ clk_writel_delay(PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_SET_REG(c));
+ if (!(c->flags & PERIPH_NO_RESET) &&
+ !(c->flags & PERIPH_MANUAL_RESET)) {
+ if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) &
+ PERIPH_CLK_TO_BIT(c)) {
+ udelay(5); /* reset propagation delay */
+ clk_writel(PERIPH_CLK_TO_BIT(c),
+ PERIPH_CLK_TO_RST_CLR_REG(c));
+ }
+ }
+ return 0;
+}
+
+static void tegra30_periph_clk_disable(struct clk *c)
+{
+ unsigned long val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ if (c->refcnt)
+ tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--;
+
+ if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) {
+ /* If peripheral is in the APB bus then read the APB bus to
+ * flush the write operation in apb bus. This will avoid the
+ * peripheral access after disabling clock*/
+ if (c->flags & PERIPH_ON_APB)
+ val = chipid_readl();
+
+ clk_writel_delay(
+ PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_CLR_REG(c));
+ }
+}
+
+static void tegra30_periph_clk_reset(struct clk *c, bool assert)
+{
+ unsigned long val;
+ pr_debug("%s %s on clock %s\n", __func__,
+ assert ? "assert" : "deassert", c->name);
+
+ if (!(c->flags & PERIPH_NO_RESET)) {
+ if (assert) {
+ /* If peripheral is in the APB bus then read the APB
+ * bus to flush the write operation in apb bus. This
+ * will avoid the peripheral access after disabling
+ * clock */
+ if (c->flags & PERIPH_ON_APB)
+ val = chipid_readl();
+
+ clk_writel(PERIPH_CLK_TO_BIT(c),
+ PERIPH_CLK_TO_RST_SET_REG(c));
+ } else
+ clk_writel(PERIPH_CLK_TO_BIT(c),
+ PERIPH_CLK_TO_RST_CLR_REG(c));
+ }
+}
+
+static int tegra30_periph_clk_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ const struct clk_mux_sel *sel;
+ pr_debug("%s: %s %s\n", __func__, c->name, p->name);
+
+ if (!(c->flags & MUX))
+ return (p == c->parent) ? 0 : (-EINVAL);
+
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ val = clk_readl(c->reg);
+ val &= ~periph_clk_source_mask(c);
+ val |= (sel->value << periph_clk_source_shift(c));
+
+ if (c->refcnt)
+ clk_enable(p);
+
+ clk_writel_delay(val, c->reg);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ int divider;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+
+ if (c->flags & DIV_U71) {
+ divider = clk_div71_get_divider(
+ parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
+ if (divider >= 0) {
+ val = clk_readl(c->reg);
+ val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK;
+ val |= divider;
+ if (c->flags & DIV_U71_UART) {
+ if (divider)
+ val |= PERIPH_CLK_UART_DIV_ENB;
+ else
+ val &= ~PERIPH_CLK_UART_DIV_ENB;
+ }
+ clk_writel_delay(val, c->reg);
+ c->div = divider + 2;
+ c->mul = 2;
+ return 0;
+ }
+ } else if (c->flags & DIV_U16) {
+ divider = clk_div16_get_divider(parent_rate, rate);
+ if (divider >= 0) {
+ val = clk_readl(c->reg);
+ val &= ~PERIPH_CLK_SOURCE_DIVU16_MASK;
+ val |= divider;
+ clk_writel_delay(val, c->reg);
+ c->div = divider + 1;
+ c->mul = 1;
+ return 0;
+ }
+ } else if (parent_rate <= rate) {
+ c->div = 1;
+ c->mul = 1;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static long tegra30_periph_clk_round_rate(struct clk *c,
+ unsigned long rate)
+{
+ int divider;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+
+ if (c->flags & DIV_U71) {
+ divider = clk_div71_get_divider(
+ parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
+ if (divider < 0)
+ return divider;
+
+ return DIV_ROUND_UP(parent_rate * 2, divider + 2);
+ } else if (c->flags & DIV_U16) {
+ divider = clk_div16_get_divider(parent_rate, rate);
+ if (divider < 0)
+ return divider;
+ return DIV_ROUND_UP(parent_rate, divider + 1);
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_periph_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_periph_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+
+/* Periph extended clock configuration ops */
+static int
+tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ if (p == TEGRA_CLK_VI_INP_SEL) {
+ u32 val = clk_readl(c->reg);
+ val &= ~PERIPH_CLK_VI_SEL_EX_MASK;
+ val |= (setting << PERIPH_CLK_VI_SEL_EX_SHIFT) &
+ PERIPH_CLK_VI_SEL_EX_MASK;
+ clk_writel(val, c->reg);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_vi_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_periph_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .clk_cfg_ex = &tegra30_vi_clk_cfg_ex,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+static int
+tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ if (p == TEGRA_CLK_NAND_PAD_DIV2_ENB) {
+ u32 val = clk_readl(c->reg);
+ if (setting)
+ val |= PERIPH_CLK_NAND_DIV_EX_ENB;
+ else
+ val &= ~PERIPH_CLK_NAND_DIV_EX_ENB;
+ clk_writel(val, c->reg);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_nand_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_periph_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .clk_cfg_ex = &tegra30_nand_clk_cfg_ex,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+
+static int
+tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ if (p == TEGRA_CLK_DTV_INVERT) {
+ u32 val = clk_readl(c->reg);
+ if (setting)
+ val |= PERIPH_CLK_DTV_POLARITY_INV;
+ else
+ val &= ~PERIPH_CLK_DTV_POLARITY_INV;
+ clk_writel(val, c->reg);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_dtv_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_periph_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .clk_cfg_ex = &tegra30_dtv_clk_cfg_ex,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p)
+{
+ const struct clk_mux_sel *sel;
+ struct clk *d = tegra_get_clock_by_name("pll_d");
+
+ pr_debug("%s: %s %s\n", __func__, c->name, p->name);
+
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ if (c->refcnt)
+ clk_enable(p);
+
+ /* The DSIB parent selection bit is in PLLD base
+ register - can not do direct r-m-w, must be
+ protected by PLLD lock */
+ tegra_clk_cfg_ex(
+ d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, sel->value);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_dsib_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_dsib_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+/* pciex clock support only reset function */
+static struct clk_ops tegra_pciex_clk_ops = {
+ .reset = tegra30_periph_clk_reset,
+};
+
+/* Output clock ops */
+
+static DEFINE_SPINLOCK(clk_out_lock);
+
+static void tegra30_clk_out_init(struct clk *c)
+{
+ const struct clk_mux_sel *mux = 0;
+ const struct clk_mux_sel *sel;
+ u32 val = pmc_readl(c->reg);
+
+ c->state = (val & (0x1 << c->u.periph.clk_num)) ? ON : OFF;
+ c->mul = 1;
+ c->div = 1;
+
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (((val & periph_clk_source_mask(c)) >>
+ periph_clk_source_shift(c)) == sel->value)
+ mux = sel;
+ }
+ BUG_ON(!mux);
+ c->parent = mux->input;
+}
+
+static int tegra30_clk_out_enable(struct clk *c)
+{
+ u32 val;
+ unsigned long flags;
+
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ spin_lock_irqsave(&clk_out_lock, flags);
+ val = pmc_readl(c->reg);
+ val |= (0x1 << c->u.periph.clk_num);
+ pmc_writel(val, c->reg);
+ spin_unlock_irqrestore(&clk_out_lock, flags);
+
+ return 0;
+}
+
+static void tegra30_clk_out_disable(struct clk *c)
+{
+ u32 val;
+ unsigned long flags;
+
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ spin_lock_irqsave(&clk_out_lock, flags);
+ val = pmc_readl(c->reg);
+ val &= ~(0x1 << c->u.periph.clk_num);
+ pmc_writel(val, c->reg);
+ spin_unlock_irqrestore(&clk_out_lock, flags);
+}
+
+static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ unsigned long flags;
+ const struct clk_mux_sel *sel;
+
+ pr_debug("%s: %s %s\n", __func__, c->name, p->name);
+
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ if (c->refcnt)
+ clk_enable(p);
+
+ spin_lock_irqsave(&clk_out_lock, flags);
+ val = pmc_readl(c->reg);
+ val &= ~periph_clk_source_mask(c);
+ val |= (sel->value << periph_clk_source_shift(c));
+ pmc_writel(val, c->reg);
+ spin_unlock_irqrestore(&clk_out_lock, flags);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_clk_out_ops = {
+ .init = &tegra30_clk_out_init,
+ .enable = &tegra30_clk_out_enable,
+ .disable = &tegra30_clk_out_disable,
+ .set_parent = &tegra30_clk_out_set_parent,
+};
+
+
+/* Clock doubler ops */
+static void tegra30_clk_double_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ c->mul = val & (0x1 << c->reg_shift) ? 1 : 2;
+ c->div = 1;
+ c->state = ON;
+ if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c)))
+ c->state = OFF;
+};
+
+static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+ if (rate == parent_rate) {
+ val = clk_readl(c->reg) | (0x1 << c->reg_shift);
+ clk_writel(val, c->reg);
+ c->mul = 1;
+ c->div = 1;
+ return 0;
+ } else if (rate == 2 * parent_rate) {
+ val = clk_readl(c->reg) & (~(0x1 << c->reg_shift));
+ clk_writel(val, c->reg);
+ c->mul = 2;
+ c->div = 1;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_clk_double_ops = {
+ .init = &tegra30_clk_double_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_rate = &tegra30_clk_double_set_rate,
+};
+
+/* Audio sync clock ops */
+static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate)
+{
+ c->rate = rate;
+ return 0;
+}
+
+static struct clk_ops tegra_sync_source_ops = {
+ .set_rate = &tegra30_sync_source_set_rate,
+};
+
+static void tegra30_audio_sync_clk_init(struct clk *c)
+{
+ int source;
+ const struct clk_mux_sel *sel;
+ u32 val = clk_readl(c->reg);
+ c->state = (val & AUDIO_SYNC_DISABLE_BIT) ? OFF : ON;
+ source = val & AUDIO_SYNC_SOURCE_MASK;
+ for (sel = c->inputs; sel->input != NULL; sel++)
+ if (sel->value == source)
+ break;
+ BUG_ON(sel->input == NULL);
+ c->parent = sel->input;
+}
+
+static int tegra30_audio_sync_clk_enable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ clk_writel((val & (~AUDIO_SYNC_DISABLE_BIT)), c->reg);
+ return 0;
+}
+
+static void tegra30_audio_sync_clk_disable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ clk_writel((val | AUDIO_SYNC_DISABLE_BIT), c->reg);
+}
+
+static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ const struct clk_mux_sel *sel;
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ val = clk_readl(c->reg);
+ val &= ~AUDIO_SYNC_SOURCE_MASK;
+ val |= sel->value;
+
+ if (c->refcnt)
+ clk_enable(p);
+
+ clk_writel(val, c->reg);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_audio_sync_clk_ops = {
+ .init = tegra30_audio_sync_clk_init,
+ .enable = tegra30_audio_sync_clk_enable,
+ .disable = tegra30_audio_sync_clk_disable,
+ .set_parent = tegra30_audio_sync_clk_set_parent,
+};
+
+/* cml0 (pcie), and cml1 (sata) clock ops */
+static void tegra30_cml_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ c->state = val & (0x1 << c->u.periph.clk_num) ? ON : OFF;
+}
+
+static int tegra30_cml_clk_enable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ val |= (0x1 << c->u.periph.clk_num);
+ clk_writel(val, c->reg);
+ return 0;
+}
+
+static void tegra30_cml_clk_disable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ val &= ~(0x1 << c->u.periph.clk_num);
+ clk_writel(val, c->reg);
+}
+
+static struct clk_ops tegra_cml_clk_ops = {
+ .init = &tegra30_cml_clk_init,
+ .enable = &tegra30_cml_clk_enable,
+ .disable = &tegra30_cml_clk_disable,
+};
+
+/* Clock definitions */
+static struct clk tegra_clk_32k = {
+ .name = "clk_32k",
+ .rate = 32768,
+ .ops = NULL,
+ .max_rate = 32768,
+};
+
+static struct clk tegra_clk_m = {
+ .name = "clk_m",
+ .flags = ENABLE_ON_INIT,
+ .ops = &tegra_clk_m_ops,
+ .reg = 0x1fc,
+ .reg_shift = 28,
+ .max_rate = 48000000,
+};
+
+static struct clk tegra_clk_m_div2 = {
+ .name = "clk_m_div2",
+ .ops = &tegra_clk_m_div_ops,
+ .parent = &tegra_clk_m,
+ .mul = 1,
+ .div = 2,
+ .state = ON,
+ .max_rate = 24000000,
+};
+
+static struct clk tegra_clk_m_div4 = {
+ .name = "clk_m_div4",
+ .ops = &tegra_clk_m_div_ops,
+ .parent = &tegra_clk_m,
+ .mul = 1,
+ .div = 4,
+ .state = ON,
+ .max_rate = 12000000,
+};
+
+static struct clk tegra_pll_ref = {
+ .name = "pll_ref",
+ .flags = ENABLE_ON_INIT,
+ .ops = &tegra_pll_ref_ops,
+ .parent = &tegra_clk_m,
+ .max_rate = 26000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_c_freq_table[] = {
+ { 12000000, 1040000000, 520, 6, 1, 8},
+ { 13000000, 1040000000, 480, 6, 1, 8},
+ { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */
+ { 19200000, 1040000000, 325, 6, 1, 6},
+ { 26000000, 1040000000, 520, 13, 1, 8},
+
+ { 12000000, 832000000, 416, 6, 1, 8},
+ { 13000000, 832000000, 832, 13, 1, 8},
+ { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */
+ { 19200000, 832000000, 260, 6, 1, 8},
+ { 26000000, 832000000, 416, 13, 1, 8},
+
+ { 12000000, 624000000, 624, 12, 1, 8},
+ { 13000000, 624000000, 624, 13, 1, 8},
+ { 16800000, 600000000, 520, 14, 1, 8},
+ { 19200000, 624000000, 520, 16, 1, 8},
+ { 26000000, 624000000, 624, 26, 1, 8},
+
+ { 12000000, 600000000, 600, 12, 1, 8},
+ { 13000000, 600000000, 600, 13, 1, 8},
+ { 16800000, 600000000, 500, 14, 1, 8},
+ { 19200000, 600000000, 375, 12, 1, 6},
+ { 26000000, 600000000, 600, 26, 1, 8},
+
+ { 12000000, 520000000, 520, 12, 1, 8},
+ { 13000000, 520000000, 520, 13, 1, 8},
+ { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */
+ { 19200000, 520000000, 325, 12, 1, 6},
+ { 26000000, 520000000, 520, 26, 1, 8},
+
+ { 12000000, 416000000, 416, 12, 1, 8},
+ { 13000000, 416000000, 416, 13, 1, 8},
+ { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */
+ { 19200000, 416000000, 260, 12, 1, 6},
+ { 26000000, 416000000, 416, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_c = {
+ .name = "pll_c",
+ .flags = PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0x80,
+ .parent = &tegra_pll_ref,
+ .max_rate = 1400000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .freq_table = tegra_pll_c_freq_table,
+ .lock_delay = 300,
+ },
+};
+
+static struct clk tegra_pll_c_out1 = {
+ .name = "pll_c_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_c,
+ .reg = 0x84,
+ .reg_shift = 0,
+ .max_rate = 700000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_m_freq_table[] = {
+ { 12000000, 666000000, 666, 12, 1, 8},
+ { 13000000, 666000000, 666, 13, 1, 8},
+ { 16800000, 666000000, 555, 14, 1, 8},
+ { 19200000, 666000000, 555, 16, 1, 8},
+ { 26000000, 666000000, 666, 26, 1, 8},
+ { 12000000, 600000000, 600, 12, 1, 8},
+ { 13000000, 600000000, 600, 13, 1, 8},
+ { 16800000, 600000000, 500, 14, 1, 8},
+ { 19200000, 600000000, 375, 12, 1, 6},
+ { 26000000, 600000000, 600, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_m = {
+ .name = "pll_m",
+ .flags = PLL_HAS_CPCON | PLLM,
+ .ops = &tegra_pll_ops,
+ .reg = 0x90,
+ .parent = &tegra_pll_ref,
+ .max_rate = 800000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1200000000,
+ .freq_table = tegra_pll_m_freq_table,
+ .lock_delay = 300,
+ },
+};
+
+static struct clk tegra_pll_m_out1 = {
+ .name = "pll_m_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_m,
+ .reg = 0x94,
+ .reg_shift = 0,
+ .max_rate = 600000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_p_freq_table[] = {
+ { 12000000, 216000000, 432, 12, 2, 8},
+ { 13000000, 216000000, 432, 13, 2, 8},
+ { 16800000, 216000000, 360, 14, 2, 8},
+ { 19200000, 216000000, 360, 16, 2, 8},
+ { 26000000, 216000000, 432, 26, 2, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_p = {
+ .name = "pll_p",
+ .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0xa0,
+ .parent = &tegra_pll_ref,
+ .max_rate = 432000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .freq_table = tegra_pll_p_freq_table,
+ .lock_delay = 300,
+ .fixed_rate = 408000000,
+ },
+};
+
+static struct clk tegra_pll_p_out1 = {
+ .name = "pll_p_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa4,
+ .reg_shift = 0,
+ .max_rate = 432000000,
+};
+
+static struct clk tegra_pll_p_out2 = {
+ .name = "pll_p_out2",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa4,
+ .reg_shift = 16,
+ .max_rate = 432000000,
+};
+
+static struct clk tegra_pll_p_out3 = {
+ .name = "pll_p_out3",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa8,
+ .reg_shift = 0,
+ .max_rate = 432000000,
+};
+
+static struct clk tegra_pll_p_out4 = {
+ .name = "pll_p_out4",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa8,
+ .reg_shift = 16,
+ .max_rate = 432000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_a_freq_table[] = {
+ { 9600000, 564480000, 294, 5, 1, 4},
+ { 9600000, 552960000, 288, 5, 1, 4},
+ { 9600000, 24000000, 5, 2, 1, 1},
+
+ { 28800000, 56448000, 49, 25, 1, 1},
+ { 28800000, 73728000, 64, 25, 1, 1},
+ { 28800000, 24000000, 5, 6, 1, 1},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_a = {
+ .name = "pll_a",
+ .flags = PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0xb0,
+ .parent = &tegra_pll_p_out1,
+ .max_rate = 700000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .freq_table = tegra_pll_a_freq_table,
+ .lock_delay = 300,
+ },
+};
+
+static struct clk tegra_pll_a_out0 = {
+ .name = "pll_a_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_a,
+ .reg = 0xb4,
+ .reg_shift = 0,
+ .max_rate = 100000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_d_freq_table[] = {
+ { 12000000, 216000000, 216, 12, 1, 4},
+ { 13000000, 216000000, 216, 13, 1, 4},
+ { 16800000, 216000000, 180, 14, 1, 4},
+ { 19200000, 216000000, 180, 16, 1, 4},
+ { 26000000, 216000000, 216, 26, 1, 4},
+
+ { 12000000, 594000000, 594, 12, 1, 8},
+ { 13000000, 594000000, 594, 13, 1, 8},
+ { 16800000, 594000000, 495, 14, 1, 8},
+ { 19200000, 594000000, 495, 16, 1, 8},
+ { 26000000, 594000000, 594, 26, 1, 8},
+
+ { 12000000, 1000000000, 1000, 12, 1, 12},
+ { 13000000, 1000000000, 1000, 13, 1, 12},
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 12},
+
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_d = {
+ .name = "pll_d",
+ .flags = PLL_HAS_CPCON | PLLD,
+ .ops = &tegra_plld_ops,
+ .reg = 0xd0,
+ .parent = &tegra_pll_ref,
+ .max_rate = 1000000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 40000000,
+ .vco_max = 1000000000,
+ .freq_table = tegra_pll_d_freq_table,
+ .lock_delay = 1000,
+ },
+};
+
+static struct clk tegra_pll_d_out0 = {
+ .name = "pll_d_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_2 | PLLD,
+ .parent = &tegra_pll_d,
+ .max_rate = 500000000,
+};
+
+static struct clk tegra_pll_d2 = {
+ .name = "pll_d2",
+ .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD,
+ .ops = &tegra_plld_ops,
+ .reg = 0x4b8,
+ .parent = &tegra_pll_ref,
+ .max_rate = 1000000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 40000000,
+ .vco_max = 1000000000,
+ .freq_table = tegra_pll_d_freq_table,
+ .lock_delay = 1000,
+ },
+};
+
+static struct clk tegra_pll_d2_out0 = {
+ .name = "pll_d2_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_2 | PLLD,
+ .parent = &tegra_pll_d2,
+ .max_rate = 500000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_u_freq_table[] = {
+ { 12000000, 480000000, 960, 12, 2, 12},
+ { 13000000, 480000000, 960, 13, 2, 12},
+ { 16800000, 480000000, 400, 7, 2, 5},
+ { 19200000, 480000000, 200, 4, 2, 3},
+ { 26000000, 480000000, 960, 26, 2, 12},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_u = {
+ .name = "pll_u",
+ .flags = PLL_HAS_CPCON | PLLU,
+ .ops = &tegra_pll_ops,
+ .reg = 0xc0,
+ .parent = &tegra_pll_ref,
+ .max_rate = 480000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 480000000,
+ .vco_max = 960000000,
+ .freq_table = tegra_pll_u_freq_table,
+ .lock_delay = 1000,
+ },
+};
+
+static struct clk_pll_freq_table tegra_pll_x_freq_table[] = {
+ /* 1.7 GHz */
+ { 12000000, 1700000000, 850, 6, 1, 8},
+ { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */
+ { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */
+ { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */
+ { 26000000, 1700000000, 850, 13, 1, 8},
+
+ /* 1.6 GHz */
+ { 12000000, 1600000000, 800, 6, 1, 8},
+ { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */
+ { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */
+ { 19200000, 1600000000, 500, 6, 1, 8},
+ { 26000000, 1600000000, 800, 13, 1, 8},
+
+ /* 1.5 GHz */
+ { 12000000, 1500000000, 750, 6, 1, 8},
+ { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */
+ { 16800000, 1500000000, 625, 7, 1, 8},
+ { 19200000, 1500000000, 625, 8, 1, 8},
+ { 26000000, 1500000000, 750, 13, 1, 8},
+
+ /* 1.4 GHz */
+ { 12000000, 1400000000, 700, 6, 1, 8},
+ { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */
+ { 16800000, 1400000000, 1000, 12, 1, 8},
+ { 19200000, 1400000000, 875, 12, 1, 8},
+ { 26000000, 1400000000, 700, 13, 1, 8},
+
+ /* 1.3 GHz */
+ { 12000000, 1300000000, 975, 9, 1, 8},
+ { 13000000, 1300000000, 1000, 10, 1, 8},
+ { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */
+ { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */
+ { 26000000, 1300000000, 650, 13, 1, 8},
+
+ /* 1.2 GHz */
+ { 12000000, 1200000000, 1000, 10, 1, 8},
+ { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */
+ { 16800000, 1200000000, 1000, 14, 1, 8},
+ { 19200000, 1200000000, 1000, 16, 1, 8},
+ { 26000000, 1200000000, 600, 13, 1, 8},
+
+ /* 1.1 GHz */
+ { 12000000, 1100000000, 825, 9, 1, 8},
+ { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */
+ { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */
+ { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */
+ { 26000000, 1100000000, 550, 13, 1, 8},
+
+ /* 1 GHz */
+ { 12000000, 1000000000, 1000, 12, 1, 8},
+ { 13000000, 1000000000, 1000, 13, 1, 8},
+ { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 8},
+
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_x = {
+ .name = "pll_x",
+ .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX,
+ .ops = &tegra_pll_ops,
+ .reg = 0xe0,
+ .parent = &tegra_pll_ref,
+ .max_rate = 1700000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1700000000,
+ .freq_table = tegra_pll_x_freq_table,
+ .lock_delay = 300,
+ },
+};
+
+static struct clk tegra_pll_x_out0 = {
+ .name = "pll_x_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_2 | PLLX,
+ .parent = &tegra_pll_x,
+ .max_rate = 850000000,
+};
+
+
+static struct clk_pll_freq_table tegra_pll_e_freq_table[] = {
+ /* PLLE special case: use cpcon field to store cml divider value */
+ { 12000000, 100000000, 150, 1, 18, 11},
+ { 216000000, 100000000, 200, 18, 24, 13},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_e = {
+ .name = "pll_e",
+ .flags = PLL_ALT_MISC_REG,
+ .ops = &tegra_plle_ops,
+ .reg = 0xe8,
+ .max_rate = 100000000,
+ .u.pll = {
+ .input_min = 12000000,
+ .input_max = 216000000,
+ .cf_min = 12000000,
+ .cf_max = 12000000,
+ .vco_min = 1200000000,
+ .vco_max = 2400000000U,
+ .freq_table = tegra_pll_e_freq_table,
+ .lock_delay = 300,
+ .fixed_rate = 100000000,
+ },
+};
+
+static struct clk tegra_cml0_clk = {
+ .name = "cml0",
+ .parent = &tegra_pll_e,
+ .ops = &tegra_cml_clk_ops,
+ .reg = PLLE_AUX,
+ .max_rate = 100000000,
+ .u.periph = {
+ .clk_num = 0,
+ },
+};
+
+static struct clk tegra_cml1_clk = {
+ .name = "cml1",
+ .parent = &tegra_pll_e,
+ .ops = &tegra_cml_clk_ops,
+ .reg = PLLE_AUX,
+ .max_rate = 100000000,
+ .u.periph = {
+ .clk_num = 1,
+ },
+};
+
+static struct clk tegra_pciex_clk = {
+ .name = "pciex",
+ .parent = &tegra_pll_e,
+ .ops = &tegra_pciex_clk_ops,
+ .max_rate = 100000000,
+ .u.periph = {
+ .clk_num = 74,
+ },
+};
+
+/* Audio sync clocks */
+#define SYNC_SOURCE(_id) \
+ { \
+ .name = #_id "_sync", \
+ .rate = 24000000, \
+ .max_rate = 24000000, \
+ .ops = &tegra_sync_source_ops \
+ }
+static struct clk tegra_sync_source_list[] = {
+ SYNC_SOURCE(spdif_in),
+ SYNC_SOURCE(i2s0),
+ SYNC_SOURCE(i2s1),
+ SYNC_SOURCE(i2s2),
+ SYNC_SOURCE(i2s3),
+ SYNC_SOURCE(i2s4),
+ SYNC_SOURCE(vimclk),
+};
+
+static struct clk_mux_sel mux_audio_sync_clk[] = {
+ { .input = &tegra_sync_source_list[0], .value = 0},
+ { .input = &tegra_sync_source_list[1], .value = 1},
+ { .input = &tegra_sync_source_list[2], .value = 2},
+ { .input = &tegra_sync_source_list[3], .value = 3},
+ { .input = &tegra_sync_source_list[4], .value = 4},
+ { .input = &tegra_sync_source_list[5], .value = 5},
+ { .input = &tegra_pll_a_out0, .value = 6},
+ { .input = &tegra_sync_source_list[6], .value = 7},
+ { 0, 0 }
+};
+
+#define AUDIO_SYNC_CLK(_id, _index) \
+ { \
+ .name = #_id, \
+ .inputs = mux_audio_sync_clk, \
+ .reg = 0x4A0 + (_index) * 4, \
+ .max_rate = 24000000, \
+ .ops = &tegra_audio_sync_clk_ops \
+ }
+static struct clk tegra_clk_audio_list[] = {
+ AUDIO_SYNC_CLK(audio0, 0),
+ AUDIO_SYNC_CLK(audio1, 1),
+ AUDIO_SYNC_CLK(audio2, 2),
+ AUDIO_SYNC_CLK(audio3, 3),
+ AUDIO_SYNC_CLK(audio4, 4),
+ AUDIO_SYNC_CLK(audio, 5), /* SPDIF */
+};
+
+#define AUDIO_SYNC_2X_CLK(_id, _index) \
+ { \
+ .name = #_id "_2x", \
+ .flags = PERIPH_NO_RESET, \
+ .max_rate = 48000000, \
+ .ops = &tegra_clk_double_ops, \
+ .reg = 0x49C, \
+ .reg_shift = 24 + (_index), \
+ .parent = &tegra_clk_audio_list[(_index)], \
+ .u.periph = { \
+ .clk_num = 113 + (_index), \
+ }, \
+ }
+static struct clk tegra_clk_audio_2x_list[] = {
+ AUDIO_SYNC_2X_CLK(audio0, 0),
+ AUDIO_SYNC_2X_CLK(audio1, 1),
+ AUDIO_SYNC_2X_CLK(audio2, 2),
+ AUDIO_SYNC_2X_CLK(audio3, 3),
+ AUDIO_SYNC_2X_CLK(audio4, 4),
+ AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */
+};
+
+#define MUX_I2S_SPDIF(_id, _index) \
+static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \
+ {.input = &tegra_pll_a_out0, .value = 0}, \
+ {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \
+ {.input = &tegra_pll_p, .value = 2}, \
+ {.input = &tegra_clk_m, .value = 3}, \
+ { 0, 0}, \
+}
+MUX_I2S_SPDIF(audio0, 0);
+MUX_I2S_SPDIF(audio1, 1);
+MUX_I2S_SPDIF(audio2, 2);
+MUX_I2S_SPDIF(audio3, 3);
+MUX_I2S_SPDIF(audio4, 4);
+MUX_I2S_SPDIF(audio, 5); /* SPDIF */
+
+/* External clock outputs (through PMC) */
+#define MUX_EXTERN_OUT(_id) \
+static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \
+ {.input = &tegra_clk_m, .value = 0}, \
+ {.input = &tegra_clk_m_div2, .value = 1}, \
+ {.input = &tegra_clk_m_div4, .value = 2}, \
+ {.input = NULL, .value = 3}, /* placeholder */ \
+ { 0, 0}, \
+}
+MUX_EXTERN_OUT(1);
+MUX_EXTERN_OUT(2);
+MUX_EXTERN_OUT(3);
+
+static struct clk_mux_sel *mux_extern_out_list[] = {
+ mux_clkm_clkm2_clkm4_extern1,
+ mux_clkm_clkm2_clkm4_extern2,
+ mux_clkm_clkm2_clkm4_extern3,
+};
+
+#define CLK_OUT_CLK(_id) \
+ { \
+ .name = "clk_out_" #_id, \
+ .lookup = { \
+ .dev_id = "clk_out_" #_id, \
+ .con_id = "extern" #_id, \
+ }, \
+ .ops = &tegra_clk_out_ops, \
+ .reg = 0x1a8, \
+ .inputs = mux_clkm_clkm2_clkm4_extern##_id, \
+ .flags = MUX_CLK_OUT, \
+ .max_rate = 216000000, \
+ .u.periph = { \
+ .clk_num = (_id - 1) * 8 + 2, \
+ }, \
+ }
+static struct clk tegra_clk_out_list[] = {
+ CLK_OUT_CLK(1),
+ CLK_OUT_CLK(2),
+ CLK_OUT_CLK(3),
+};
+
+/* called after peripheral external clocks are initialized */
+static void init_clk_out_mux(void)
+{
+ int i;
+ struct clk *c;
+
+ /* output clock con_id is the name of peripheral
+ external clock connected to input 3 of the output mux */
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) {
+ c = tegra_get_clock_by_name(
+ tegra_clk_out_list[i].lookup.con_id);
+ if (!c)
+ pr_err("%s: could not find clk %s\n", __func__,
+ tegra_clk_out_list[i].lookup.con_id);
+ mux_extern_out_list[i][3].input = c;
+ }
+}
+
+/* Peripheral muxes */
+static struct clk_mux_sel mux_sclk[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { .input = &tegra_pll_c_out1, .value = 1},
+ { .input = &tegra_pll_p_out4, .value = 2},
+ { .input = &tegra_pll_p_out3, .value = 3},
+ { .input = &tegra_pll_p_out2, .value = 4},
+ /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */
+ { .input = &tegra_clk_32k, .value = 6},
+ { .input = &tegra_pll_m_out1, .value = 7},
+ { 0, 0},
+};
+
+static struct clk tegra_clk_sclk = {
+ .name = "sclk",
+ .inputs = mux_sclk,
+ .reg = 0x28,
+ .ops = &tegra_super_ops,
+ .max_rate = 334000000,
+ .min_rate = 40000000,
+};
+
+static struct clk tegra_clk_blink = {
+ .name = "blink",
+ .parent = &tegra_clk_32k,
+ .reg = 0x40,
+ .ops = &tegra_blink_clk_ops,
+ .max_rate = 32768,
+};
+
+static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = {
+ { .input = &tegra_pll_m, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_pll_p, .value = 2},
+ { .input = &tegra_pll_a_out0, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = {
+ { .input = &tegra_pll_p, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_pll_m, .value = 2},
+ { .input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_clkm[] = {
+ { .input = &tegra_pll_p, .value = 0},
+ { .input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_d_out0, .value = 1},
+ {.input = &tegra_pll_c, .value = 2},
+ {.input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_m, .value = 1},
+ {.input = &tegra_pll_d_out0, .value = 2},
+ {.input = &tegra_pll_a_out0, .value = 3},
+ {.input = &tegra_pll_c, .value = 4},
+ {.input = &tegra_pll_d2_out0, .value = 5},
+ {.input = &tegra_clk_m, .value = 6},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = {
+ { .input = &tegra_pll_a_out0, .value = 0},
+ /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */
+ { .input = &tegra_pll_p, .value = 2},
+ { .input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_c, .value = 1},
+ {.input = &tegra_clk_32k, .value = 2},
+ {.input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_c, .value = 1},
+ {.input = &tegra_clk_m, .value = 2},
+ {.input = &tegra_clk_32k, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_pllm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_c, .value = 1},
+ {.input = &tegra_pll_m, .value = 2},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_clk_m[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_out3[] = {
+ { .input = &tegra_pll_p_out3, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plld_out0[] = {
+ { .input = &tegra_pll_d_out0, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plld_out0_plld2_out0[] = {
+ { .input = &tegra_pll_d_out0, .value = 0},
+ { .input = &tegra_pll_d2_out0, .value = 1},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_clk_32k[] = {
+ { .input = &tegra_clk_32k, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = {
+ { .input = &tegra_pll_a_out0, .value = 0},
+ { .input = &tegra_clk_32k, .value = 1},
+ { .input = &tegra_pll_p, .value = 2},
+ { .input = &tegra_clk_m, .value = 3},
+ { .input = &tegra_pll_e, .value = 4},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_cclk_g[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_clk_32k, .value = 2},
+ { .input = &tegra_pll_m, .value = 3},
+ { .input = &tegra_pll_p, .value = 4},
+ { .input = &tegra_pll_p_out4, .value = 5},
+ { .input = &tegra_pll_p_out3, .value = 6},
+ { .input = &tegra_pll_x, .value = 8},
+ { 0, 0},
+};
+
+static struct clk tegra_clk_cclk_g = {
+ .name = "cclk_g",
+ .flags = DIV_U71 | DIV_U71_INT,
+ .inputs = mux_cclk_g,
+ .reg = 0x368,
+ .ops = &tegra_super_ops,
+ .max_rate = 1700000000,
+};
+
+static struct clk tegra30_clk_twd = {
+ .parent = &tegra_clk_cclk_g,
+ .name = "twd",
+ .ops = &tegra30_twd_ops,
+ .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */
+ .mul = 1,
+ .div = 2,
+};
+
+#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ .ops = &tegra_periph_clk_ops, \
+ .reg = _reg, \
+ .inputs = _inputs, \
+ .flags = _flags, \
+ .max_rate = _max, \
+ .u.periph = { \
+ .clk_num = _clk_num, \
+ }, \
+ }
+
+#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \
+ _flags, _ops) \
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ .ops = _ops, \
+ .reg = _reg, \
+ .inputs = _inputs, \
+ .flags = _flags, \
+ .max_rate = _max, \
+ .u.periph = { \
+ .clk_num = _clk_num, \
+ }, \
+ }
+
+#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ .ops = &tegra_clk_shared_bus_ops, \
+ .parent = _parent, \
+ .u.shared_bus_user = { \
+ .client_id = _id, \
+ .client_div = _div, \
+ .mode = _mode, \
+ }, \
+ }
+struct clk tegra_list_clks[] = {
+ PERIPH_CLK("apbdma", "tegra-dma", NULL, 34, 0, 26000000, mux_clk_m, 0),
+ PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB),
+ PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB),
+ PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0),
+ PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0),
+ PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB),
+ PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB),
+ PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0),
+ PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0),
+ PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0),
+ PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops),
+ PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */
+ PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */
+ PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */
+ PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */
+ PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT),
+ PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */
+ PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */
+ PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */
+ PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("uarta", "tegra_uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartb", "tegra_uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartc", "tegra_uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartd", "tegra_uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uarte", "tegra_uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uarta_dbg", "serial8250.0", "uarta", 6, 0x178, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartb_dbg", "serial8250.0", "uartb", 7, 0x17c, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartc_dbg", "serial8250.0", "uartc", 55, 0x1a0, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartd_dbg", "serial8250.0", "uartd", 65, 0x1c0, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uarte_dbg", "serial8250.0", "uarte", 66, 0x1c4, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops),
+ PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET),
+ PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET),
+ PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE),
+ PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET),
+ PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT),
+ PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT),
+ PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT),
+ PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */
+ PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */
+ PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops),
+ PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71),
+ PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */
+ PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8),
+ PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8),
+ PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */
+ PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */
+ PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */
+ PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0),
+ PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops),
+ PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0),
+ PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */
+ PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET),
+
+ PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71),
+ PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71),
+ PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71),
+ PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71),
+ PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71),
+ PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT),
+};
+
+#define CLK_DUPLICATE(_name, _dev, _con) \
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ }
+
+/* Some clocks may be used by different drivers depending on the board
+ * configuration. List those here to register them twice in the clock lookup
+ * table under two names.
+ */
+struct clk_duplicate tegra_clk_duplicates[] = {
+ CLK_DUPLICATE("usbd", "utmip-pad", NULL),
+ CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL),
+ CLK_DUPLICATE("usbd", "tegra-otg", NULL),
+ CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"),
+ CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"),
+ CLK_DUPLICATE("dsib", "tegradc.0", "dsib"),
+ CLK_DUPLICATE("dsia", "tegradc.1", "dsia"),
+ CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL),
+ CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL),
+ CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL),
+ CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL),
+ CLK_DUPLICATE("bsev", "tegra-avp", "bsev"),
+ CLK_DUPLICATE("bsev", "nvavp", "bsev"),
+ CLK_DUPLICATE("vde", "tegra-aes", "vde"),
+ CLK_DUPLICATE("bsea", "tegra-aes", "bsea"),
+ CLK_DUPLICATE("bsea", "nvavp", "bsea"),
+ CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL),
+ CLK_DUPLICATE("cml0", "tegra_pcie", "cml"),
+ CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"),
+ CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL),
+ CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL),
+ CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL),
+ CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL),
+ CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL),
+ CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL),
+ CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL),
+ CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL),
+ CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL),
+ CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL),
+ CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL),
+ CLK_DUPLICATE("twd", "smp_twd", NULL),
+ CLK_DUPLICATE("vcp", "nvavp", "vcp"),
+};
+
+struct clk *tegra_ptr_clks[] = {
+ &tegra_clk_32k,
+ &tegra_clk_m,
+ &tegra_clk_m_div2,
+ &tegra_clk_m_div4,
+ &tegra_pll_ref,
+ &tegra_pll_m,
+ &tegra_pll_m_out1,
+ &tegra_pll_c,
+ &tegra_pll_c_out1,
+ &tegra_pll_p,
+ &tegra_pll_p_out1,
+ &tegra_pll_p_out2,
+ &tegra_pll_p_out3,
+ &tegra_pll_p_out4,
+ &tegra_pll_a,
+ &tegra_pll_a_out0,
+ &tegra_pll_d,
+ &tegra_pll_d_out0,
+ &tegra_pll_d2,
+ &tegra_pll_d2_out0,
+ &tegra_pll_u,
+ &tegra_pll_x,
+ &tegra_pll_x_out0,
+ &tegra_pll_e,
+ &tegra_clk_cclk_g,
+ &tegra_cml0_clk,
+ &tegra_cml1_clk,
+ &tegra_pciex_clk,
+ &tegra_clk_sclk,
+ &tegra_clk_blink,
+ &tegra30_clk_twd,
+};
+
+
+static void tegra30_init_one_clock(struct clk *c)
+{
+ clk_init(c);
+ INIT_LIST_HEAD(&c->shared_bus_list);
+ if (!c->lookup.dev_id && !c->lookup.con_id)
+ c->lookup.con_id = c->name;
+ c->lookup.clk = c;
+ clkdev_add(&c->lookup);
+}
+
+void __init tegra30_init_clocks(void)
+{
+ int i;
+ struct clk *c;
+
+ for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++)
+ tegra30_init_one_clock(tegra_ptr_clks[i]);
+
+ for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++)
+ tegra30_init_one_clock(&tegra_list_clks[i]);
+
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) {
+ c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name);
+ if (!c) {
+ pr_err("%s: Unknown duplicate clock %s\n", __func__,
+ tegra_clk_duplicates[i].name);
+ continue;
+ }
+
+ tegra_clk_duplicates[i].lookup.clk = c;
+ clkdev_add(&tegra_clk_duplicates[i].lookup);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++)
+ tegra30_init_one_clock(&tegra_sync_source_list[i]);
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++)
+ tegra30_init_one_clock(&tegra_clk_audio_list[i]);
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++)
+ tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]);
+
+ init_clk_out_mux();
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++)
+ tegra30_init_one_clock(&tegra_clk_out_list[i]);
+
+}
diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c
index 1d1acda4f3e..1eed8d4a80e 100644
--- a/arch/arm/mach-tegra/timer.c
+++ b/arch/arm/mach-tegra/timer.c
@@ -28,7 +28,7 @@
#include <linux/io.h>
#include <asm/mach/time.h>
-#include <asm/localtimer.h>
+#include <asm/smp_twd.h>
#include <asm/sched_clock.h>
#include <mach/iomap.h>
@@ -162,6 +162,21 @@ static struct irqaction tegra_timer_irq = {
.irq = INT_TMR3,
};
+#ifdef CONFIG_HAVE_ARM_TWD
+static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
+ TEGRA_ARM_PERIF_BASE + 0x600,
+ IRQ_LOCALTIMER);
+
+static void __init tegra_twd_init(void)
+{
+ int err = twd_local_timer_register(&twd_local_timer);
+ if (err)
+ pr_err("twd_local_timer_register failed %d\n", err);
+}
+#else
+#define tegra_twd_init() do {} while(0)
+#endif
+
static void __init tegra_init_timer(void)
{
struct clk *clk;
@@ -188,10 +203,6 @@ static void __init tegra_init_timer(void)
else
clk_enable(clk);
-#ifdef CONFIG_HAVE_ARM_TWD
- twd_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x600);
-#endif
-
switch (rate) {
case 12000000:
timer_writel(0x000b, TIMERUS_USEC_CFG);
@@ -231,6 +242,7 @@ static void __init tegra_init_timer(void)
tegra_clockevent.cpumask = cpu_all_mask;
tegra_clockevent.irq = tegra_timer_irq.irq;
clockevents_register_device(&tegra_clockevent);
+ tegra_twd_init();
}
struct sys_timer tegra_timer = {
diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c
index 37576a721ae..c5b2ac04e2a 100644
--- a/arch/arm/mach-tegra/usb_phy.c
+++ b/arch/arm/mach-tegra/usb_phy.c
@@ -22,6 +22,7 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/err.h>
+#include <linux/export.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/gpio.h>
@@ -608,13 +609,13 @@ static int ulpi_phy_power_on(struct tegra_usb_phy *phy)
writel(val, base + ULPI_TIMING_CTRL_1);
/* Fix VbusInvalid due to floating VBUS */
- ret = otg_io_write(phy->ulpi, 0x40, 0x08);
+ ret = usb_phy_io_write(phy->ulpi, 0x40, 0x08);
if (ret) {
pr_err("%s: ulpi write failed\n", __func__);
return ret;
}
- ret = otg_io_write(phy->ulpi, 0x80, 0x0B);
+ ret = usb_phy_io_write(phy->ulpi, 0x80, 0x0B);
if (ret) {
pr_err("%s: ulpi write failed\n", __func__);
return ret;
@@ -730,6 +731,7 @@ err0:
kfree(phy);
return ERR_PTR(err);
}
+EXPORT_SYMBOL_GPL(tegra_usb_phy_open);
int tegra_usb_phy_power_on(struct tegra_usb_phy *phy)
{
@@ -738,6 +740,7 @@ int tegra_usb_phy_power_on(struct tegra_usb_phy *phy)
else
return utmi_phy_power_on(phy);
}
+EXPORT_SYMBOL_GPL(tegra_usb_phy_power_on);
void tegra_usb_phy_power_off(struct tegra_usb_phy *phy)
{
@@ -746,18 +749,21 @@ void tegra_usb_phy_power_off(struct tegra_usb_phy *phy)
else
utmi_phy_power_off(phy);
}
+EXPORT_SYMBOL_GPL(tegra_usb_phy_power_off);
void tegra_usb_phy_preresume(struct tegra_usb_phy *phy)
{
if (!phy_is_ulpi(phy))
utmi_phy_preresume(phy);
}
+EXPORT_SYMBOL_GPL(tegra_usb_phy_preresume);
void tegra_usb_phy_postresume(struct tegra_usb_phy *phy)
{
if (!phy_is_ulpi(phy))
utmi_phy_postresume(phy);
}
+EXPORT_SYMBOL_GPL(tegra_usb_phy_postresume);
void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
enum tegra_usb_phy_port_speed port_speed)
@@ -765,24 +771,28 @@ void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
if (!phy_is_ulpi(phy))
utmi_phy_restore_start(phy, port_speed);
}
+EXPORT_SYMBOL_GPL(tegra_ehci_phy_restore_start);
void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy)
{
if (!phy_is_ulpi(phy))
utmi_phy_restore_end(phy);
}
+EXPORT_SYMBOL_GPL(tegra_ehci_phy_restore_end);
void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy)
{
if (!phy_is_ulpi(phy))
utmi_phy_clk_disable(phy);
}
+EXPORT_SYMBOL_GPL(tegra_usb_phy_clk_disable);
void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy)
{
if (!phy_is_ulpi(phy))
utmi_phy_clk_enable(phy);
}
+EXPORT_SYMBOL_GPL(tegra_usb_phy_clk_enable);
void tegra_usb_phy_close(struct tegra_usb_phy *phy)
{
@@ -794,3 +804,4 @@ void tegra_usb_phy_close(struct tegra_usb_phy *phy)
clk_put(phy->pll_u);
kfree(phy);
}
+EXPORT_SYMBOL_GPL(tegra_usb_phy_close);