*
* SPEAr320 machine source file
*
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Viresh Kumar <viresh.kumar@st.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) "SPEAr320: " fmt
+
+#include <linux/amba/pl022.h>
+#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>
#include <mach/spear.h>
-/* pad multiplexing support */
-/* muxing registers */
-#define PAD_MUX_CONFIG_REG 0x0C
-#define MODE_CONFIG_REG 0x10
-
-/* modes */
-#define AUTO_NET_SMII_MODE (1 << 0)
-#define AUTO_NET_MII_MODE (1 << 1)
-#define AUTO_EXP_MODE (1 << 2)
-#define SMALL_PRINTERS_MODE (1 << 3)
-#define ALL_MODES 0xF
-
-struct pmx_mode spear320_auto_net_smii_mode = {
- .id = AUTO_NET_SMII_MODE,
- .name = "Automation Networking SMII Mode",
- .mask = 0x00,
-};
-
-struct pmx_mode spear320_auto_net_mii_mode = {
- .id = AUTO_NET_MII_MODE,
- .name = "Automation Networking MII Mode",
- .mask = 0x01,
-};
-
-struct pmx_mode spear320_auto_exp_mode = {
- .id = AUTO_EXP_MODE,
- .name = "Automation Expanded Mode",
- .mask = 0x02,
-};
-
-struct pmx_mode spear320_small_printers_mode = {
- .id = SMALL_PRINTERS_MODE,
- .name = "Small Printers Mode",
- .mask = 0x03,
-};
-
-/* devices */
-static struct pmx_dev_mode pmx_clcd_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE,
- .mask = 0x0,
- },
-};
-
-struct pmx_dev spear320_pmx_clcd = {
- .name = "clcd",
- .modes = pmx_clcd_modes,
- .mode_count = ARRAY_SIZE(pmx_clcd_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_emi_modes[] = {
- {
- .ids = AUTO_EXP_MODE,
- .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_emi = {
- .name = "emi",
- .modes = pmx_emi_modes,
- .mode_count = ARRAY_SIZE(pmx_emi_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_fsmc_modes[] = {
- {
- .ids = ALL_MODES,
- .mask = 0x0,
- },
-};
-
-struct pmx_dev spear320_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_spp_modes[] = {
- {
- .ids = SMALL_PRINTERS_MODE,
- .mask = 0x0,
- },
-};
-
-struct pmx_dev spear320_pmx_spp = {
- .name = "spp",
- .modes = pmx_spp_modes,
- .mode_count = ARRAY_SIZE(pmx_spp_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_sdhci_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE |
- SMALL_PRINTERS_MODE,
- .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_sdhci = {
- .name = "sdhci",
- .modes = pmx_sdhci_modes,
- .mode_count = ARRAY_SIZE(pmx_sdhci_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_i2s_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE,
- .mask = PMX_UART0_MODEM_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_i2s = {
- .name = "i2s",
- .modes = pmx_i2s_modes,
- .mode_count = ARRAY_SIZE(pmx_i2s_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_uart1_modes[] = {
- {
- .ids = ALL_MODES,
- .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK,
- },
-};
-
-struct pmx_dev spear320_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_uart1_modem_modes[] = {
- {
- .ids = AUTO_EXP_MODE,
- .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK |
- PMX_SSP_CS_MASK,
- }, {
- .ids = SMALL_PRINTERS_MODE,
- .mask = PMX_GPIO_PIN3_MASK | PMX_GPIO_PIN4_MASK |
- PMX_GPIO_PIN5_MASK | PMX_SSP_CS_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_uart1_modem = {
- .name = "uart1_modem",
- .modes = pmx_uart1_modem_modes,
- .mode_count = ARRAY_SIZE(pmx_uart1_modem_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_uart2_modes[] = {
- {
- .ids = ALL_MODES,
- .mask = PMX_FIRDA_MASK,
- },
-};
-
-struct pmx_dev spear320_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_touchscreen_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE,
- .mask = PMX_SSP_CS_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_touchscreen = {
- .name = "touchscreen",
- .modes = pmx_touchscreen_modes,
- .mode_count = ARRAY_SIZE(pmx_touchscreen_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_can_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | AUTO_EXP_MODE,
- .mask = PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
- PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_can = {
- .name = "can",
- .modes = pmx_can_modes,
- .mode_count = ARRAY_SIZE(pmx_can_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_sdhci_led_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE,
- .mask = PMX_SSP_CS_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_sdhci_led = {
- .name = "sdhci_led",
- .modes = pmx_sdhci_led_modes,
- .mode_count = ARRAY_SIZE(pmx_sdhci_led_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_pwm0_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE,
- .mask = PMX_UART0_MODEM_MASK,
- }, {
- .ids = AUTO_EXP_MODE | SMALL_PRINTERS_MODE,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_pwm0 = {
- .name = "pwm0",
- .modes = pmx_pwm0_modes,
- .mode_count = ARRAY_SIZE(pmx_pwm0_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_pwm1_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE,
- .mask = PMX_UART0_MODEM_MASK,
- }, {
- .ids = AUTO_EXP_MODE | SMALL_PRINTERS_MODE,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_pwm1 = {
- .name = "pwm1",
- .modes = pmx_pwm1_modes,
- .mode_count = ARRAY_SIZE(pmx_pwm1_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_pwm2_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE,
- .mask = PMX_SSP_CS_MASK,
- }, {
- .ids = AUTO_EXP_MODE | SMALL_PRINTERS_MODE,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_pwm2 = {
- .name = "pwm2",
- .modes = pmx_pwm2_modes,
- .mode_count = ARRAY_SIZE(pmx_pwm2_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_pwm3_modes[] = {
- {
- .ids = AUTO_EXP_MODE | SMALL_PRINTERS_MODE | AUTO_NET_SMII_MODE,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_pwm3 = {
- .name = "pwm3",
- .modes = pmx_pwm3_modes,
- .mode_count = ARRAY_SIZE(pmx_pwm3_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_ssp1_modes[] = {
- {
- .ids = SMALL_PRINTERS_MODE | AUTO_NET_SMII_MODE,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_ssp1 = {
- .name = "ssp1",
- .modes = pmx_ssp1_modes,
- .mode_count = ARRAY_SIZE(pmx_ssp1_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_ssp2_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_ssp2 = {
- .name = "ssp2",
- .modes = pmx_ssp2_modes,
- .mode_count = ARRAY_SIZE(pmx_ssp2_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_mii1_modes[] = {
- {
- .ids = AUTO_NET_MII_MODE,
- .mask = 0x0,
- },
-};
-
-struct pmx_dev spear320_pmx_mii1 = {
- .name = "mii1",
- .modes = pmx_mii1_modes,
- .mode_count = ARRAY_SIZE(pmx_mii1_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_smii0_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | AUTO_EXP_MODE | SMALL_PRINTERS_MODE,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_smii0 = {
- .name = "smii0",
- .modes = pmx_smii0_modes,
- .mode_count = ARRAY_SIZE(pmx_smii0_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_smii1_modes[] = {
- {
- .ids = AUTO_NET_SMII_MODE | SMALL_PRINTERS_MODE,
- .mask = PMX_MII_MASK,
- },
-};
-
-struct pmx_dev spear320_pmx_smii1 = {
- .name = "smii1",
- .modes = pmx_smii1_modes,
- .mode_count = ARRAY_SIZE(pmx_smii1_modes),
- .enb_on_reset = 1,
-};
-
-static struct pmx_dev_mode pmx_i2c1_modes[] = {
- {
- .ids = AUTO_EXP_MODE,
- .mask = 0x0,
- },
-};
-
-struct pmx_dev spear320_pmx_i2c1 = {
- .name = "i2c1",
- .modes = pmx_i2c1_modes,
- .mode_count = ARRAY_SIZE(pmx_i2c1_modes),
- .enb_on_reset = 1,
-};
-
-/* pmx driver structure */
-static struct pmx_driver pmx_driver = {
- .mode_reg = {.offset = MODE_CONFIG_REG, .mask = 0x00000007},
- .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff},
-};
-
/* spear3xx shared irq */
static struct shirq_dev_config shirq_ras1_config[] = {
{
},
};
-/* Add spear320 specific devices here */
+/* DMAC platform data's slave info */
+struct pl08x_channel_data spear320_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 = "i2c0_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c0_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 = "ssp1_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp1_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp2_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp2_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart1_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart1_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart2_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart2_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c1_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c1_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c2_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c2_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "rs485_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "rs485_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB2,
+ },
+};
+
+static struct pl022_ssp_controller spear320_ssp_data[] = {
+ {
+ .bus_id = 1,
+ .enable_dma = 1,
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "ssp1_tx",
+ .dma_rx_param = "ssp1_rx",
+ .num_chipselect = 2,
+ }, {
+ .bus_id = 2,
+ .enable_dma = 1,
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "ssp2_tx",
+ .dma_rx_param = "ssp2_rx",
+ .num_chipselect = 2,
+ }
+};
+
+static struct amba_pl011_data spear320_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",
+ },
+};
-/* spear320 routines */
-void __init spear320_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
- u8 pmx_dev_count)
+/* Add SPEAr310 auxdata to pass platform data */
+static struct of_dev_auxdata spear320_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,pl022", SPEAR320_SSP0_BASE, NULL,
+ &spear320_ssp_data[0]),
+ OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP1_BASE, NULL,
+ &spear320_ssp_data[1]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART1_BASE, NULL,
+ &spear320_uart_data[0]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART2_BASE, NULL,
+ &spear320_uart_data[1]),
+ {}
+};
+
+static void __init spear320_dt_init(void)
{
void __iomem *base;
- int ret = 0;
+ int ret;
+
+ pl080_plat_data.slave_channels = spear320_dma_info;
+ pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear320_dma_info);
- /* call spear3xx family common init function */
- spear3xx_init();
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear320_auxdata_lookup, NULL);
/* shared irq registration */
base = ioremap(SPEAR320_SOC_CONFIG_BASE, SZ_4K);
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 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 spear320_dt_board_compat[] = {
+ "st,spear320",
+ "st,spear320-evb",
+ NULL,
+};
- ret = pmx_register(&pmx_driver);
- if (ret)
- printk(KERN_ERR "padmux: registration failed. err no: %d\n",
- ret);
+static void __init spear320_map_io(void)
+{
+ spear3xx_map_io();
+ spear320_clk_init();
}
+
+DT_MACHINE_START(SPEAR320_DT, "ST SPEAr320 SoC with Flattened Device Tree")
+ .map_io = spear320_map_io,
+ .init_irq = spear3xx_dt_init_irq,
+ .handle_irq = vic_handle_irq,
+ .timer = &spear3xx_timer,
+ .init_machine = spear320_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear320_dt_board_compat,
+MACHINE_END
git.openpandora.org / pandora-kernel.git / blobdiff