[PATCH] at91_serial -> atmel_serial: Platform device name
[linux-2.6.git] / arch / arm / mach-at91rm9200 / devices.c
index 57eedd5..28fd4b8 100644 (file)
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <linux/config.h>
 #include <linux/platform_device.h>
 
+#include <asm/hardware.h>
 #include <asm/arch/board.h>
-#include <asm/arch/pio.h>
+#include <asm/arch/gpio.h>
 
+#include "generic.h"
+
+#define SZ_512 0x00000200
+#define SZ_256 0x00000100
+#define SZ_16  0x00000010
 
 /* --------------------------------------------------------------------
  *  USB Host
 static u64 ohci_dmamask = 0xffffffffUL;
 static struct at91_usbh_data usbh_data;
 
-static struct resource at91rm9200_usbh_resource[] = {
+static struct resource at91_usbh_resources[] = {
        [0] = {
-               .start  = AT91_UHP_BASE,
-               .end    = AT91_UHP_BASE + SZ_1M -1,
+               .start  = AT91RM9200_UHP_BASE,
+               .end    = AT91RM9200_UHP_BASE + SZ_1M - 1,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
-               .start  = AT91_ID_UHP,
-               .end    = AT91_ID_UHP,
+               .start  = AT91RM9200_ID_UHP,
+               .end    = AT91RM9200_ID_UHP,
                .flags  = IORESOURCE_IRQ,
        },
 };
 
 static struct platform_device at91rm9200_usbh_device = {
-       .name           = "at91rm9200-ohci",
+       .name           = "at91_ohci",
        .id             = -1,
        .dev            = {
                                .dma_mask               = &ohci_dmamask,
                                .coherent_dma_mask      = 0xffffffff,
                                .platform_data          = &usbh_data,
        },
-       .resource       = at91rm9200_usbh_resource,
-       .num_resources  = ARRAY_SIZE(at91rm9200_usbh_resource),
+       .resource       = at91_usbh_resources,
+       .num_resources  = ARRAY_SIZE(at91_usbh_resources),
 };
 
 void __init at91_add_device_usbh(struct at91_usbh_data *data)
@@ -74,11 +79,16 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
 static struct at91_udc_data udc_data;
 
 static struct resource at91_udc_resources[] = {
-       {
-               .start  = AT91_BASE_UDP,
-               .end    = AT91_BASE_UDP + SZ_16K - 1,
+       [0] = {
+               .start  = AT91RM9200_BASE_UDP,
+               .end    = AT91RM9200_BASE_UDP + SZ_16K - 1,
                .flags  = IORESOURCE_MEM,
-       }
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_UDP,
+               .end    = AT91RM9200_ID_UDP,
+               .flags  = IORESOURCE_IRQ,
+       },
 };
 
 static struct platform_device at91rm9200_udc_device = {
@@ -100,10 +110,8 @@ void __init at91_add_device_udc(struct at91_udc_data *data)
                at91_set_gpio_input(data->vbus_pin, 0);
                at91_set_deglitch(data->vbus_pin, 1);
        }
-       if (data->pullup_pin) {
+       if (data->pullup_pin)
                at91_set_gpio_output(data->pullup_pin, 0);
-               at91_set_multi_drive(data->pullup_pin, 1);
-       }
 
        udc_data = *data;
        platform_device_register(&at91rm9200_udc_device);
@@ -121,6 +129,19 @@ void __init at91_add_device_udc(struct at91_udc_data *data) {}
 static u64 eth_dmamask = 0xffffffffUL;
 static struct at91_eth_data eth_data;
 
+static struct resource at91_eth_resources[] = {
+       [0] = {
+               .start  = AT91_VA_BASE_EMAC,
+               .end    = AT91_VA_BASE_EMAC + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_EMAC,
+               .end    = AT91RM9200_ID_EMAC,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
 static struct platform_device at91rm9200_eth_device = {
        .name           = "at91_ether",
        .id             = -1,
@@ -129,7 +150,8 @@ static struct platform_device at91rm9200_eth_device = {
                                .coherent_dma_mask      = 0xffffffff,
                                .platform_data          = &eth_data,
        },
-       .num_resources  = 0,
+       .resource       = at91_eth_resources,
+       .num_resources  = ARRAY_SIZE(at91_eth_resources),
 };
 
 void __init at91_add_device_eth(struct at91_eth_data *data)
@@ -180,13 +202,23 @@ void __init at91_add_device_eth(struct at91_eth_data *data) {}
 #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
 static struct at91_cf_data cf_data;
 
+static struct resource at91_cf_resources[] = {
+       [0] = {
+               .start  = AT91_CF_BASE,
+               /* ties up CS4, CS5 and CS6 */
+               .end    = AT91_CF_BASE + (0x30000000 - 1),
+               .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
+       },
+};
+
 static struct platform_device at91rm9200_cf_device = {
        .name           = "at91_cf",
        .id             = -1,
        .dev            = {
                                .platform_data          = &cf_data,
        },
-       .num_resources  = 0,
+       .resource       = at91_cf_resources,
+       .num_resources  = ARRAY_SIZE(at91_cf_resources),
 };
 
 void __init at91_add_device_cf(struct at91_cf_data *data)
@@ -207,6 +239,12 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
                at91_set_gpio_output(data->vcc_pin, 0);
        at91_set_gpio_output(data->rst_pin, 0);
 
+       /* force poweron defaults for these pins ... */
+       at91_set_A_periph(AT91_PIN_PC9, 0);     /* A25/CFRNW */
+       at91_set_A_periph(AT91_PIN_PC10, 0);    /* NCS4/CFCS */
+       at91_set_A_periph(AT91_PIN_PC11, 0);    /* NCS5/CFCE1 */
+       at91_set_A_periph(AT91_PIN_PC12, 0);    /* NCS6/CFCE2 */
+
        cf_data = *data;
        platform_device_register(&at91rm9200_cf_device);
 }
@@ -224,15 +262,20 @@ static u64 mmc_dmamask = 0xffffffffUL;
 static struct at91_mmc_data mmc_data;
 
 static struct resource at91_mmc_resources[] = {
-       {
-               .start  = AT91_BASE_MCI,
-               .end    = AT91_BASE_MCI + SZ_16K - 1,
+       [0] = {
+               .start  = AT91RM9200_BASE_MCI,
+               .end    = AT91RM9200_BASE_MCI + SZ_16K - 1,
                .flags  = IORESOURCE_MEM,
-       }
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_MCI,
+               .end    = AT91RM9200_ID_MCI,
+               .flags  = IORESOURCE_IRQ,
+       },
 };
 
 static struct platform_device at91rm9200_mmc_device = {
-       .name           = "at91rm9200_mci",
+       .name           = "at91_mci",
        .id             = -1,
        .dev            = {
                                .dma_mask               = &mmc_dmamask,
@@ -290,4 +333,480 @@ void __init at91_add_device_mmc(struct at91_mmc_data *data)
 void __init at91_add_device_mmc(struct at91_mmc_data *data) {}
 #endif
 
+
+/* --------------------------------------------------------------------
+ *  NAND / SmartMedia
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
+static struct at91_nand_data nand_data;
+
+static struct resource at91_nand_resources[] = {
+       {
+               .start  = AT91_SMARTMEDIA_BASE,
+               .end    = AT91_SMARTMEDIA_BASE + SZ_8M - 1,
+               .flags  = IORESOURCE_MEM,
+       }
+};
+
+static struct platform_device at91_nand_device = {
+       .name           = "at91_nand",
+       .id             = -1,
+       .dev            = {
+                               .platform_data  = &nand_data,
+       },
+       .resource       = at91_nand_resources,
+       .num_resources  = ARRAY_SIZE(at91_nand_resources),
+};
+
+void __init at91_add_device_nand(struct at91_nand_data *data)
+{
+       if (!data)
+               return;
+
+       /* enable pin */
+       if (data->enable_pin)
+               at91_set_gpio_output(data->enable_pin, 1);
+
+       /* ready/busy pin */
+       if (data->rdy_pin)
+               at91_set_gpio_input(data->rdy_pin, 1);
+
+       /* card detect pin */
+       if (data->det_pin)
+               at91_set_gpio_input(data->det_pin, 1);
+
+       at91_set_A_periph(AT91_PIN_PC1, 0);             /* SMOE */
+       at91_set_A_periph(AT91_PIN_PC3, 0);             /* SMWE */
+
+       nand_data = *data;
+       platform_device_register(&at91_nand_device);
+}
+#else
+void __init at91_add_device_nand(struct at91_nand_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  TWI (i2c)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
+static struct platform_device at91rm9200_twi_device = {
+       .name           = "at91_i2c",
+       .id             = -1,
+       .num_resources  = 0,
+};
+
+void __init at91_add_device_i2c(void)
+{
+       /* pins used for TWI interface */
+       at91_set_A_periph(AT91_PIN_PA25, 0);            /* TWD */
+       at91_set_multi_drive(AT91_PIN_PA25, 1);
+
+       at91_set_A_periph(AT91_PIN_PA26, 0);            /* TWCK */
+       at91_set_multi_drive(AT91_PIN_PA26, 1);
+
+       platform_device_register(&at91rm9200_twi_device);
+}
+#else
+void __init at91_add_device_i2c(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  SPI
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_SPI_AT91) || defined(CONFIG_SPI_AT91_MODULE) || defined(CONFIG_AT91_SPI) || defined(CONFIG_AT91_SPI_MODULE)
+static u64 spi_dmamask = 0xffffffffUL;
+
+static struct resource at91_spi_resources[] = {
+       [0] = {
+               .start  = AT91RM9200_BASE_SPI,
+               .end    = AT91RM9200_BASE_SPI + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_SPI,
+               .end    = AT91RM9200_ID_SPI,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device at91rm9200_spi_device = {
+       .name           = "at91_spi",
+       .id             = 0,
+       .dev            = {
+               .dma_mask               = &spi_dmamask,
+               .coherent_dma_mask      = 0xffffffff,
+       },
+       .resource       = at91_spi_resources,
+       .num_resources  = ARRAY_SIZE(at91_spi_resources),
+};
+
+static const unsigned at91_spi_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 };
+
+void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
+{
+       int i;
+       unsigned long cs_pin;
+
+       at91_set_A_periph(AT91_PIN_PA0, 0);     /* MISO */
+       at91_set_A_periph(AT91_PIN_PA1, 0);     /* MOSI */
+       at91_set_A_periph(AT91_PIN_PA2, 0);     /* SPCK */
+
+       /* Enable SPI chip-selects */
+       for (i = 0; i < nr_devices; i++) {
+               if (devices[i].controller_data)
+                       cs_pin = (unsigned long) devices[i].controller_data;
+               else
+                       cs_pin = at91_spi_standard_cs[devices[i].chip_select];
+
+#ifdef CONFIG_SPI_AT91_MANUAL_CS
+               at91_set_gpio_output(cs_pin, 1);
+#else
+               at91_set_A_periph(cs_pin, 0);
+#endif
+
+               /* pass chip-select pin to driver */
+               devices[i].controller_data = (void *) cs_pin;
+       }
+
+       spi_register_board_info(devices, nr_devices);
+       at91_clock_associate("spi0_clk", &at91rm9200_spi_device.dev, "spi");
+       platform_device_register(&at91rm9200_spi_device);
+}
+#else
+void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  RTC
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_RTC_DRV_AT91) || defined(CONFIG_RTC_DRV_AT91_MODULE)
+static struct platform_device at91rm9200_rtc_device = {
+       .name           = "at91_rtc",
+       .id             = -1,
+       .num_resources  = 0,
+};
+
+static void __init at91_add_device_rtc(void)
+{
+       platform_device_register(&at91rm9200_rtc_device);
+}
+#else
+static void __init at91_add_device_rtc(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  Watchdog
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_AT91_WATCHDOG) || defined(CONFIG_AT91_WATCHDOG_MODULE)
+static struct platform_device at91rm9200_wdt_device = {
+       .name           = "at91_wdt",
+       .id             = -1,
+       .num_resources  = 0,
+};
+
+static void __init at91_add_device_watchdog(void)
+{
+       platform_device_register(&at91rm9200_wdt_device);
+}
+#else
+static void __init at91_add_device_watchdog(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  LEDs
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_LEDS)
+u8 at91_leds_cpu;
+u8 at91_leds_timer;
+
+void __init at91_init_leds(u8 cpu_led, u8 timer_led)
+{
+       at91_leds_cpu   = cpu_led;
+       at91_leds_timer = timer_led;
+}
+#else
+void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  UART
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_SERIAL_ATMEL)
+static struct resource dbgu_resources[] = {
+       [0] = {
+               .start  = AT91_VA_BASE_SYS + AT91_DBGU,
+               .end    = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91_ID_SYS,
+               .end    = AT91_ID_SYS,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct at91_uart_data dbgu_data = {
+       .use_dma_tx     = 0,
+       .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
+};
+
+static struct platform_device at91rm9200_dbgu_device = {
+       .name           = "atmel_usart",
+       .id             = 0,
+       .dev            = {
+                               .platform_data  = &dbgu_data,
+                               .coherent_dma_mask = 0xffffffff,
+       },
+       .resource       = dbgu_resources,
+       .num_resources  = ARRAY_SIZE(dbgu_resources),
+};
+
+static inline void configure_dbgu_pins(void)
+{
+       at91_set_A_periph(AT91_PIN_PA30, 0);            /* DRXD */
+       at91_set_A_periph(AT91_PIN_PA31, 1);            /* DTXD */
+}
+
+static struct resource uart0_resources[] = {
+       [0] = {
+               .start  = AT91RM9200_BASE_US0,
+               .end    = AT91RM9200_BASE_US0 + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_US0,
+               .end    = AT91RM9200_ID_US0,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct at91_uart_data uart0_data = {
+       .use_dma_tx     = 1,
+       .use_dma_rx     = 1,
+};
+
+static struct platform_device at91rm9200_uart0_device = {
+       .name           = "atmel_usart",
+       .id             = 1,
+       .dev            = {
+                               .platform_data  = &uart0_data,
+                               .coherent_dma_mask = 0xffffffff,
+       },
+       .resource       = uart0_resources,
+       .num_resources  = ARRAY_SIZE(uart0_resources),
+};
+
+static inline void configure_usart0_pins(void)
+{
+       at91_set_A_periph(AT91_PIN_PA17, 1);            /* TXD0 */
+       at91_set_A_periph(AT91_PIN_PA18, 0);            /* RXD0 */
+       at91_set_A_periph(AT91_PIN_PA20, 0);            /* CTS0 */
+
+       /*
+        * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21.
+        *  We need to drive the pin manually.  Default is off (RTS is active low).
+        */
+       at91_set_gpio_output(AT91_PIN_PA21, 1);
+}
+
+static struct resource uart1_resources[] = {
+       [0] = {
+               .start  = AT91RM9200_BASE_US1,
+               .end    = AT91RM9200_BASE_US1 + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_US1,
+               .end    = AT91RM9200_ID_US1,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct at91_uart_data uart1_data = {
+       .use_dma_tx     = 1,
+       .use_dma_rx     = 1,
+};
+
+static struct platform_device at91rm9200_uart1_device = {
+       .name           = "atmel_usart",
+       .id             = 2,
+       .dev            = {
+                               .platform_data  = &uart1_data,
+                               .coherent_dma_mask = 0xffffffff,
+       },
+       .resource       = uart1_resources,
+       .num_resources  = ARRAY_SIZE(uart1_resources),
+};
+
+static inline void configure_usart1_pins(void)
+{
+       at91_set_A_periph(AT91_PIN_PB18, 0);            /* RI1 */
+       at91_set_A_periph(AT91_PIN_PB19, 0);            /* DTR1 */
+       at91_set_A_periph(AT91_PIN_PB20, 1);            /* TXD1 */
+       at91_set_A_periph(AT91_PIN_PB21, 0);            /* RXD1 */
+       at91_set_A_periph(AT91_PIN_PB23, 0);            /* DCD1 */
+       at91_set_A_periph(AT91_PIN_PB24, 0);            /* CTS1 */
+       at91_set_A_periph(AT91_PIN_PB25, 0);            /* DSR1 */
+       at91_set_A_periph(AT91_PIN_PB26, 0);            /* RTS1 */
+}
+
+static struct resource uart2_resources[] = {
+       [0] = {
+               .start  = AT91RM9200_BASE_US2,
+               .end    = AT91RM9200_BASE_US2 + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_US2,
+               .end    = AT91RM9200_ID_US2,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct at91_uart_data uart2_data = {
+       .use_dma_tx     = 1,
+       .use_dma_rx     = 1,
+};
+
+static struct platform_device at91rm9200_uart2_device = {
+       .name           = "atmel_usart",
+       .id             = 3,
+       .dev            = {
+                               .platform_data  = &uart2_data,
+                               .coherent_dma_mask = 0xffffffff,
+       },
+       .resource       = uart2_resources,
+       .num_resources  = ARRAY_SIZE(uart2_resources),
+};
+
+static inline void configure_usart2_pins(void)
+{
+       at91_set_A_periph(AT91_PIN_PA22, 0);            /* RXD2 */
+       at91_set_A_periph(AT91_PIN_PA23, 1);            /* TXD2 */
+}
+
+static struct resource uart3_resources[] = {
+       [0] = {
+               .start  = AT91RM9200_BASE_US3,
+               .end    = AT91RM9200_BASE_US3 + SZ_16K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91RM9200_ID_US3,
+               .end    = AT91RM9200_ID_US3,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct at91_uart_data uart3_data = {
+       .use_dma_tx     = 1,
+       .use_dma_rx     = 1,
+};
+
+static struct platform_device at91rm9200_uart3_device = {
+       .name           = "atmel_usart",
+       .id             = 4,
+       .dev            = {
+                               .platform_data  = &uart3_data,
+                               .coherent_dma_mask = 0xffffffff,
+       },
+       .resource       = uart3_resources,
+       .num_resources  = ARRAY_SIZE(uart3_resources),
+};
+
+static inline void configure_usart3_pins(void)
+{
+       at91_set_B_periph(AT91_PIN_PA5, 1);             /* TXD3 */
+       at91_set_B_periph(AT91_PIN_PA6, 0);             /* RXD3 */
+}
+
+struct platform_device *at91_uarts[AT91_NR_UART];      /* the UARTs to use */
+struct platform_device *at91_default_console_device;   /* the serial console device */
+
+void __init at91_init_serial(struct at91_uart_config *config)
+{
+       int i;
+
+       /* Fill in list of supported UARTs */
+       for (i = 0; i < config->nr_tty; i++) {
+               switch (config->tty_map[i]) {
+                       case 0:
+                               configure_usart0_pins();
+                               at91_uarts[i] = &at91rm9200_uart0_device;
+                               at91_clock_associate("usart0_clk", &at91rm9200_uart0_device.dev, "usart");
+                               break;
+                       case 1:
+                               configure_usart1_pins();
+                               at91_uarts[i] = &at91rm9200_uart1_device;
+                               at91_clock_associate("usart1_clk", &at91rm9200_uart1_device.dev, "usart");
+                               break;
+                       case 2:
+                               configure_usart2_pins();
+                               at91_uarts[i] = &at91rm9200_uart2_device;
+                               at91_clock_associate("usart2_clk", &at91rm9200_uart2_device.dev, "usart");
+                               break;
+                       case 3:
+                               configure_usart3_pins();
+                               at91_uarts[i] = &at91rm9200_uart3_device;
+                               at91_clock_associate("usart3_clk", &at91rm9200_uart3_device.dev, "usart");
+                               break;
+                       case 4:
+                               configure_dbgu_pins();
+                               at91_uarts[i] = &at91rm9200_dbgu_device;
+                               at91_clock_associate("mck", &at91rm9200_dbgu_device.dev, "usart");
+                               break;
+                       default:
+                               continue;
+               }
+               at91_uarts[i]->id = i;          /* update ID number to mapped ID */
+       }
+
+       /* Set serial console device */
+       if (config->console_tty < AT91_NR_UART)
+               at91_default_console_device = at91_uarts[config->console_tty];
+       if (!at91_default_console_device)
+               printk(KERN_INFO "AT91: No default serial console defined.\n");
+}
+
+void __init at91_add_device_serial(void)
+{
+       int i;
+
+       for (i = 0; i < AT91_NR_UART; i++) {
+               if (at91_uarts[i])
+                       platform_device_register(at91_uarts[i]);
+       }
+}
+#else
+void __init at91_init_serial(struct at91_uart_config *config) {}
+void __init at91_add_device_serial(void) {}
+#endif
+
+
 /* -------------------------------------------------------------------- */
+
+/*
+ * These devices are always present and don't need any board-specific
+ * setup.
+ */
+static int __init at91_add_standard_devices(void)
+{
+       at91_add_device_rtc();
+       at91_add_device_watchdog();
+       return 0;
+}
+
+arch_initcall(at91_add_standard_devices);