-
-/* --------------------------------------------------------------------
- * 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 = AT91_BASE_SPI,
- .end = AT91_BASE_SPI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91_ID_SPI,
- .end = AT91_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_AT91)
-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 = "at91_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 = AT91_BASE_US0,
- .end = AT91_BASE_US0 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91_ID_US0,
- .end = AT91_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 = "at91_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 = AT91_BASE_US1,
- .end = AT91_BASE_US1 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91_ID_US1,
- .end = AT91_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 = "at91_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 = AT91_BASE_US2,
- .end = AT91_BASE_US2 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91_ID_US2,
- .end = AT91_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 = "at91_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 = AT91_BASE_US3,
- .end = AT91_BASE_US3 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91_ID_US3,
- .end = AT91_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 = "at91_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
-
-