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-rw-r--r--arch/arm/mach-spear3xx/spear3xx.c551
1 files changed, 71 insertions, 480 deletions
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index b1733c3..66db5f1 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -3,71 +3,78 @@
*
* SPEAr3XX machines common source file
*
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
-#include <linux/types.h>
-#include <linux/amba/pl061.h>
-#include <linux/ptrace.h>
+#define pr_fmt(fmt) "SPEAr3xx: " fmt
+
+#include <linux/amba/pl022.h>
+#include <linux/amba/pl08x.h>
+#include <linux/of_irq.h>
#include <linux/io.h>
+#include <asm/hardware/pl080.h>
#include <asm/hardware/vic.h>
-#include <asm/irq.h>
-#include <asm/mach/arch.h>
+#include <plat/pl080.h>
#include <mach/generic.h>
-#include <mach/hardware.h>
-
-/* Add spear3xx machines common devices here */
-/* gpio device registration */
-static struct pl061_platform_data gpio_plat_data = {
- .gpio_base = 0,
- .irq_base = SPEAR3XX_GPIO_INT_BASE,
+#include <mach/spear.h>
+
+/* ssp device registration */
+struct pl022_ssp_controller pl022_plat_data = {
+ .bus_id = 0,
+ .enable_dma = 1,
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "ssp0_tx",
+ .dma_rx_param = "ssp0_rx",
+ /*
+ * This is number of spi devices that can be connected to spi. There are
+ * two type of chipselects on which slave devices can work. One is chip
+ * select provided by spi masters other is controlled through external
+ * gpio's. We can't use chipselect provided from spi master (because as
+ * soon as FIFO becomes empty, CS is disabled and transfer ends). So
+ * this number now depends on number of gpios available for spi. each
+ * slave on each master requires a separate gpio pin.
+ */
+ .num_chipselect = 2,
+};
+
+/* dmac device registration */
+struct pl08x_platform_data pl080_plat_data = {
+ .memcpy_channel = {
+ .bus_id = "memcpy",
+ .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+ PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
+ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
+ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
+ PL080_CONTROL_PROT_BUFF | PL080_CONTROL_PROT_CACHE | \
+ PL080_CONTROL_PROT_SYS),
+ },
+ .lli_buses = PL08X_AHB1,
+ .mem_buses = PL08X_AHB1,
+ .get_signal = pl080_get_signal,
+ .put_signal = pl080_put_signal,
};
-AMBA_APB_DEVICE(spear3xx_gpio, "gpio", 0, SPEAR3XX_ICM3_GPIO_BASE,
- {SPEAR3XX_IRQ_BASIC_GPIO}, &gpio_plat_data);
-
-/* uart device registration */
-AMBA_APB_DEVICE(spear3xx_uart, "uart", 0, SPEAR3XX_ICM1_UART_BASE,
- {SPEAR3XX_IRQ_UART}, NULL);
-
-/* Do spear3xx familiy common initialization part here */
-void __init spear3xx_init(void)
-{
- /* nothing to do for now */
-}
-
-/* This will initialize vic */
-void __init spear3xx_init_irq(void)
-{
- vic_init((void __iomem *)VA_SPEAR3XX_ML1_VIC_BASE, 0, ~0, 0);
-}
-
-/* Following will create static virtual/physical mappings */
+/*
+ * Following will create 16MB static virtual/physical mappings
+ * PHYSICAL VIRTUAL
+ * 0xD0000000 0xFD000000
+ * 0xFC000000 0xFC000000
+ */
struct map_desc spear3xx_io_desc[] __initdata = {
{
- .virtual = VA_SPEAR3XX_ICM1_UART_BASE,
- .pfn = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE
- }, {
- .virtual = VA_SPEAR3XX_ML1_VIC_BASE,
- .pfn = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE
- }, {
- .virtual = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE,
- .pfn = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE),
- .length = SZ_4K,
+ .virtual = VA_SPEAR3XX_ICM1_2_BASE,
+ .pfn = __phys_to_pfn(SPEAR3XX_ICM1_2_BASE),
+ .length = SZ_16M,
.type = MT_DEVICE
}, {
- .virtual = VA_SPEAR3XX_ICM3_MISC_REG_BASE,
- .pfn = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE),
- .length = SZ_4K,
+ .virtual = VA_SPEAR3XX_ICM3_SMI_CTRL_BASE,
+ .pfn = __phys_to_pfn(SPEAR3XX_ICM3_SMI_CTRL_BASE),
+ .length = SZ_16M,
.type = MT_DEVICE
},
};
@@ -76,441 +83,15 @@ struct map_desc spear3xx_io_desc[] __initdata = {
void __init spear3xx_map_io(void)
{
iotable_init(spear3xx_io_desc, ARRAY_SIZE(spear3xx_io_desc));
-
- /* This will initialize clock framework */
- spear3xx_clk_init();
}
-/* pad multiplexing support */
-/* devices */
-static struct pmx_dev_mode pmx_firda_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_FIRDA_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_firda = {
- .name = "firda",
- .modes = pmx_firda_modes,
- .mode_count = ARRAY_SIZE(pmx_firda_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_i2c_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_I2C_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_i2c = {
- .name = "i2c",
- .modes = pmx_i2c_modes,
- .mode_count = ARRAY_SIZE(pmx_i2c_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_ssp_cs_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_SSP_CS_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_ssp_cs = {
- .name = "ssp_chip_selects",
- .modes = pmx_ssp_cs_modes,
- .mode_count = ARRAY_SIZE(pmx_ssp_cs_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_ssp_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_SSP_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_ssp = {
- .name = "ssp",
- .modes = pmx_ssp_modes,
- .mode_count = ARRAY_SIZE(pmx_ssp_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_mii_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_mii = {
- .name = "mii",
- .modes = pmx_mii_modes,
- .mode_count = ARRAY_SIZE(pmx_mii_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin0_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_GPIO_PIN0_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin0 = {
- .name = "gpio_pin0",
- .modes = pmx_gpio_pin0_modes,
- .mode_count = ARRAY_SIZE(pmx_gpio_pin0_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin1_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_GPIO_PIN1_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin1 = {
- .name = "gpio_pin1",
- .modes = pmx_gpio_pin1_modes,
- .mode_count = ARRAY_SIZE(pmx_gpio_pin1_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin2_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_GPIO_PIN2_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin2 = {
- .name = "gpio_pin2",
- .modes = pmx_gpio_pin2_modes,
- .mode_count = ARRAY_SIZE(pmx_gpio_pin2_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin3_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_GPIO_PIN3_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin3 = {
- .name = "gpio_pin3",
- .modes = pmx_gpio_pin3_modes,
- .mode_count = ARRAY_SIZE(pmx_gpio_pin3_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin4_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_GPIO_PIN4_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin4 = {
- .name = "gpio_pin4",
- .modes = pmx_gpio_pin4_modes,
- .mode_count = ARRAY_SIZE(pmx_gpio_pin4_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_gpio_pin5_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_GPIO_PIN5_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_gpio_pin5 = {
- .name = "gpio_pin5",
- .modes = pmx_gpio_pin5_modes,
- .mode_count = ARRAY_SIZE(pmx_gpio_pin5_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_uart0_modem_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_UART0_MODEM_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_uart0_modem = {
- .name = "uart0_modem",
- .modes = pmx_uart0_modem_modes,
- .mode_count = ARRAY_SIZE(pmx_uart0_modem_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_uart0_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_UART0_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_uart0 = {
- .name = "uart0",
- .modes = pmx_uart0_modes,
- .mode_count = ARRAY_SIZE(pmx_uart0_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_timer_3_4_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_TIMER_3_4_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_timer_3_4 = {
- .name = "timer_3_4",
- .modes = pmx_timer_3_4_modes,
- .mode_count = ARRAY_SIZE(pmx_timer_3_4_modes),
- .enb_on_reset = 0,
-};
-
-static struct pmx_dev_mode pmx_timer_1_2_modes[] = {
- {
- .ids = 0xffffffff,
- .mask = PMX_TIMER_1_2_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_timer_1_2 = {
- .name = "timer_1_2",
- .modes = pmx_timer_1_2_modes,
- .mode_count = ARRAY_SIZE(pmx_timer_1_2_modes),
- .enb_on_reset = 0,
-};
-
-#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
-/* plgpios devices */
-static struct pmx_dev_mode pmx_plgpio_0_1_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_FIRDA_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_0_1 = {
- .name = "plgpio 0 and 1",
- .modes = pmx_plgpio_0_1_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_0_1_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_2_3_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_UART0_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_2_3 = {
- .name = "plgpio 2 and 3",
- .modes = pmx_plgpio_2_3_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_2_3_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_4_5_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_I2C_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_4_5 = {
- .name = "plgpio 4 and 5",
- .modes = pmx_plgpio_4_5_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_4_5_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_6_9_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_SSP_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_6_9 = {
- .name = "plgpio 6 to 9",
- .modes = pmx_plgpio_6_9_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_6_9_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_10_27_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_10_27 = {
- .name = "plgpio 10 to 27",
- .modes = pmx_plgpio_10_27_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_10_27_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_28_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_GPIO_PIN0_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_28 = {
- .name = "plgpio 28",
- .modes = pmx_plgpio_28_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_28_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_29_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_GPIO_PIN1_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_29 = {
- .name = "plgpio 29",
- .modes = pmx_plgpio_29_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_29_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_30_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_GPIO_PIN2_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_30 = {
- .name = "plgpio 30",
- .modes = pmx_plgpio_30_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_30_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_31_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_GPIO_PIN3_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_31 = {
- .name = "plgpio 31",
- .modes = pmx_plgpio_31_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_31_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_32_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_GPIO_PIN4_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_32 = {
- .name = "plgpio 32",
- .modes = pmx_plgpio_32_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_32_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_33_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_GPIO_PIN5_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_33 = {
- .name = "plgpio 33",
- .modes = pmx_plgpio_33_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_33_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_34_36_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_SSP_CS_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_34_36 = {
- .name = "plgpio 34 to 36",
- .modes = pmx_plgpio_34_36_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_34_36_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_37_42_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_UART0_MODEM_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_37_42 = {
- .name = "plgpio 37 to 42",
- .modes = pmx_plgpio_37_42_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_37_42_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_43_44_47_48_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_TIMER_1_2_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_43_44_47_48 = {
- .name = "plgpio 43, 44, 47 and 48",
- .modes = pmx_plgpio_43_44_47_48_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_43_44_47_48_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_plgpio_45_46_49_50_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_TIMER_3_4_MASK,
- },
-};
-
-struct pmx_dev spear3xx_pmx_plgpio_45_46_49_50 = {
- .name = "plgpio 45, 46, 49 and 50",
- .modes = pmx_plgpio_45_46_49_50_modes,
- .mode_count = ARRAY_SIZE(pmx_plgpio_45_46_49_50_modes),
- .enb_on_reset = 1,
-};
-#endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */
-
static void __init spear3xx_timer_init(void)
{
- char pclk_name[] = "pll3_48m_clk";
+ char pclk_name[] = "pll3_clk";
struct clk *gpt_clk, *pclk;
+ spear3xx_clk_init();
+
/* get the system timer clock */
gpt_clk = clk_get_sys("gpt0", NULL);
if (IS_ERR(gpt_clk)) {
@@ -530,9 +111,19 @@ static void __init spear3xx_timer_init(void)
clk_put(gpt_clk);
clk_put(pclk);
- spear_setup_timer();
+ spear_setup_of_timer();
}
struct sys_timer spear3xx_timer = {
.init = spear3xx_timer_init,
};
+
+static const struct of_device_id vic_of_match[] __initconst = {
+ { .compatible = "arm,pl190-vic", .data = vic_of_init, },
+ { /* Sentinel */ }
+};
+
+void __init spear3xx_dt_init_irq(void)
+{
+ of_irq_init(vic_of_match);
+}