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-rw-r--r--arch/arm/mach-spear3xx/spear310.c475
1 files changed, 329 insertions, 146 deletions
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
index febaa6f..bbcf457 100644
--- a/arch/arm/mach-spear3xx/spear310.c
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -3,141 +3,84 @@
*
* SPEAr310 machine 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/ptrace.h>
-#include <asm/irq.h>
+#define pr_fmt(fmt) "SPEAr310: " fmt
+
+#include <linux/amba/pl08x.h>
+#include <linux/amba/serial.h>
+#include <linux/of_platform.h>
+#include <asm/hardware/vic.h>
+#include <asm/mach/arch.h>
#include <plat/shirq.h>
#include <mach/generic.h>
-#include <mach/hardware.h>
-
-/* pad multiplexing support */
-/* muxing registers */
-#define PAD_MUX_CONFIG_REG 0x08
-
-/* devices */
-static struct pmx_dev_mode pmx_emi_cs_0_1_4_5_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_TIMER_3_4_MASK,
- },
-};
-
-struct pmx_dev spear310_pmx_emi_cs_0_1_4_5 = {
- .name = "emi_cs_0_1_4_5",
- .modes = pmx_emi_cs_0_1_4_5_modes,
- .mode_count = ARRAY_SIZE(pmx_emi_cs_0_1_4_5_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_emi_cs_2_3_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_TIMER_1_2_MASK,
- },
-};
-
-struct pmx_dev spear310_pmx_emi_cs_2_3 = {
- .name = "emi_cs_2_3",
- .modes = pmx_emi_cs_2_3_modes,
- .mode_count = ARRAY_SIZE(pmx_emi_cs_2_3_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_uart1_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_FIRDA_MASK,
- },
-};
-
-struct pmx_dev spear310_pmx_uart1 = {
- .name = "uart1",
- .modes = pmx_uart1_modes,
- .mode_count = ARRAY_SIZE(pmx_uart1_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_uart2_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_TIMER_1_2_MASK,
- },
-};
-
-struct pmx_dev spear310_pmx_uart2 = {
- .name = "uart2",
- .modes = pmx_uart2_modes,
- .mode_count = ARRAY_SIZE(pmx_uart2_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_uart3_4_5_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_UART0_MODEM_MASK,
- },
-};
-
-struct pmx_dev spear310_pmx_uart3_4_5 = {
- .name = "uart3_4_5",
- .modes = pmx_uart3_4_5_modes,
- .mode_count = ARRAY_SIZE(pmx_uart3_4_5_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_fsmc_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_SSP_CS_MASK,
- },
-};
-
-struct pmx_dev spear310_pmx_fsmc = {
- .name = "fsmc",
- .modes = pmx_fsmc_modes,
- .mode_count = ARRAY_SIZE(pmx_fsmc_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_rs485_0_1_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear310_pmx_rs485_0_1 = {
- .name = "rs485_0_1",
- .modes = pmx_rs485_0_1_modes,
- .mode_count = ARRAY_SIZE(pmx_rs485_0_1_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_tdm0_modes[] = {
- {
- .ids = 0x00,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear310_pmx_tdm0 = {
- .name = "tdm0",
- .modes = pmx_tdm0_modes,
- .mode_count = ARRAY_SIZE(pmx_tdm0_modes),
- .enb_on_reset = 1,
-};
+#include <mach/spear.h>
+
+#define SPEAR310_UART1_BASE UL(0xB2000000)
+#define SPEAR310_UART2_BASE UL(0xB2080000)
+#define SPEAR310_UART3_BASE UL(0xB2100000)
+#define SPEAR310_UART4_BASE UL(0xB2180000)
+#define SPEAR310_UART5_BASE UL(0xB2200000)
+#define SPEAR310_SOC_CONFIG_BASE UL(0xB4000000)
+
+/* Interrupt registers offsets and masks */
+#define SPEAR310_INT_STS_MASK_REG 0x04
+#define SPEAR310_SMII0_IRQ_MASK (1 << 0)
+#define SPEAR310_SMII1_IRQ_MASK (1 << 1)
+#define SPEAR310_SMII2_IRQ_MASK (1 << 2)
+#define SPEAR310_SMII3_IRQ_MASK (1 << 3)
+#define SPEAR310_WAKEUP_SMII0_IRQ_MASK (1 << 4)
+#define SPEAR310_WAKEUP_SMII1_IRQ_MASK (1 << 5)
+#define SPEAR310_WAKEUP_SMII2_IRQ_MASK (1 << 6)
+#define SPEAR310_WAKEUP_SMII3_IRQ_MASK (1 << 7)
+#define SPEAR310_UART1_IRQ_MASK (1 << 8)
+#define SPEAR310_UART2_IRQ_MASK (1 << 9)
+#define SPEAR310_UART3_IRQ_MASK (1 << 10)
+#define SPEAR310_UART4_IRQ_MASK (1 << 11)
+#define SPEAR310_UART5_IRQ_MASK (1 << 12)
+#define SPEAR310_EMI_IRQ_MASK (1 << 13)
+#define SPEAR310_TDM_HDLC_IRQ_MASK (1 << 14)
+#define SPEAR310_RS485_0_IRQ_MASK (1 << 15)
+#define SPEAR310_RS485_1_IRQ_MASK (1 << 16)
+
+#define SPEAR310_SHIRQ_RAS1_MASK 0x000FF
+#define SPEAR310_SHIRQ_RAS2_MASK 0x01F00
+#define SPEAR310_SHIRQ_RAS3_MASK 0x02000
+#define SPEAR310_SHIRQ_INTRCOMM_RAS_MASK 0x1C000
+
+/* SPEAr310 Virtual irq definitions */
+/* IRQs sharing IRQ_GEN_RAS_1 */
+#define SPEAR310_VIRQ_SMII0 (SPEAR3XX_VIRQ_START + 0)
+#define SPEAR310_VIRQ_SMII1 (SPEAR3XX_VIRQ_START + 1)
+#define SPEAR310_VIRQ_SMII2 (SPEAR3XX_VIRQ_START + 2)
+#define SPEAR310_VIRQ_SMII3 (SPEAR3XX_VIRQ_START + 3)
+#define SPEAR310_VIRQ_WAKEUP_SMII0 (SPEAR3XX_VIRQ_START + 4)
+#define SPEAR310_VIRQ_WAKEUP_SMII1 (SPEAR3XX_VIRQ_START + 5)
+#define SPEAR310_VIRQ_WAKEUP_SMII2 (SPEAR3XX_VIRQ_START + 6)
+#define SPEAR310_VIRQ_WAKEUP_SMII3 (SPEAR3XX_VIRQ_START + 7)
+
+/* IRQs sharing IRQ_GEN_RAS_2 */
+#define SPEAR310_VIRQ_UART1 (SPEAR3XX_VIRQ_START + 8)
+#define SPEAR310_VIRQ_UART2 (SPEAR3XX_VIRQ_START + 9)
+#define SPEAR310_VIRQ_UART3 (SPEAR3XX_VIRQ_START + 10)
+#define SPEAR310_VIRQ_UART4 (SPEAR3XX_VIRQ_START + 11)
+#define SPEAR310_VIRQ_UART5 (SPEAR3XX_VIRQ_START + 12)
+
+/* IRQs sharing IRQ_GEN_RAS_3 */
+#define SPEAR310_VIRQ_EMI (SPEAR3XX_VIRQ_START + 13)
+#define SPEAR310_VIRQ_PLGPIO (SPEAR3XX_VIRQ_START + 14)
+
+/* IRQs sharing IRQ_INTRCOMM_RAS_ARM */
+#define SPEAR310_VIRQ_TDM_HDLC (SPEAR3XX_VIRQ_START + 15)
+#define SPEAR310_VIRQ_RS485_0 (SPEAR3XX_VIRQ_START + 16)
+#define SPEAR310_VIRQ_RS485_1 (SPEAR3XX_VIRQ_START + 17)
-/* pmx driver structure */
-static struct pmx_driver pmx_driver = {
- .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff},
-};
/* spear3xx shared irq */
static struct shirq_dev_config shirq_ras1_config[] = {
@@ -255,17 +198,247 @@ static struct spear_shirq shirq_intrcomm_ras = {
},
};
-/* Add spear310 specific devices here */
+/* DMAC platform data's slave info */
+struct pl08x_channel_data spear310_dma_info[] = {
+ {
+ .bus_id = "uart0_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart0_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "irda",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "adc",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "to_jpeg",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "from_jpeg",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart1_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart1_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart2_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart2_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart3_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart3_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart4_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart4_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart5_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart5_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ },
+};
-/* spear310 routines */
-void __init spear310_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
- u8 pmx_dev_count)
+/* uart devices plat data */
+static struct amba_pl011_data spear310_uart_data[] = {
+ {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart1_tx",
+ .dma_rx_param = "uart1_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart2_tx",
+ .dma_rx_param = "uart2_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart3_tx",
+ .dma_rx_param = "uart3_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart4_tx",
+ .dma_rx_param = "uart4_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart5_tx",
+ .dma_rx_param = "uart5_rx",
+ },
+};
+
+/* Add SPEAr310 auxdata to pass platform data */
+static struct of_dev_auxdata spear310_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
+ &pl022_plat_data),
+ OF_DEV_AUXDATA("arm,pl080", SPEAR3XX_ICM3_DMA_BASE, NULL,
+ &pl080_plat_data),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART1_BASE, NULL,
+ &spear310_uart_data[0]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART2_BASE, NULL,
+ &spear310_uart_data[1]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART3_BASE, NULL,
+ &spear310_uart_data[2]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART4_BASE, NULL,
+ &spear310_uart_data[3]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART5_BASE, NULL,
+ &spear310_uart_data[4]),
+ {}
+};
+
+static void __init spear310_dt_init(void)
{
void __iomem *base;
- int ret = 0;
+ int ret;
- /* call spear3xx family common init function */
- spear3xx_init();
+ pl080_plat_data.slave_channels = spear310_dma_info;
+ pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear310_dma_info);
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear310_auxdata_lookup, NULL);
/* shared irq registration */
base = ioremap(SPEAR310_SOC_CONFIG_BASE, SZ_4K);
@@ -274,35 +447,45 @@ void __init spear310_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
shirq_ras1.regs.base = base;
ret = spear_shirq_register(&shirq_ras1);
if (ret)
- printk(KERN_ERR "Error registering Shared IRQ 1\n");
+ pr_err("Error registering Shared IRQ 1\n");
/* shirq 2 */
shirq_ras2.regs.base = base;
ret = spear_shirq_register(&shirq_ras2);
if (ret)
- printk(KERN_ERR "Error registering Shared IRQ 2\n");
+ pr_err("Error registering Shared IRQ 2\n");
/* shirq 3 */
shirq_ras3.regs.base = base;
ret = spear_shirq_register(&shirq_ras3);
if (ret)
- printk(KERN_ERR "Error registering Shared IRQ 3\n");
+ pr_err("Error registering Shared IRQ 3\n");
/* shirq 4 */
shirq_intrcomm_ras.regs.base = base;
ret = spear_shirq_register(&shirq_intrcomm_ras);
if (ret)
- printk(KERN_ERR "Error registering Shared IRQ 4\n");
+ pr_err("Error registering Shared IRQ 4\n");
}
+}
- /* pmx initialization */
- pmx_driver.base = base;
- pmx_driver.mode = pmx_mode;
- pmx_driver.devs = pmx_devs;
- pmx_driver.devs_count = pmx_dev_count;
+static const char * const spear310_dt_board_compat[] = {
+ "st,spear310",
+ "st,spear310-evb",
+ NULL,
+};
- ret = pmx_register(&pmx_driver);
- if (ret)
- printk(KERN_ERR "padmux: registration failed. err no: %d\n",
- ret);
+static void __init spear310_map_io(void)
+{
+ spear3xx_map_io();
}
+
+DT_MACHINE_START(SPEAR310_DT, "ST SPEAr310 SoC with Flattened Device Tree")
+ .map_io = spear310_map_io,
+ .init_irq = spear3xx_dt_init_irq,
+ .handle_irq = vic_handle_irq,
+ .timer = &spear3xx_timer,
+ .init_machine = spear310_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear310_dt_board_compat,
+MACHINE_END