# Makefile for the linux kernel.
#
-obj-y := clock.o irq.o gpio.o devices.o
+obj-y := clock.o irq.o gpio.o
obj-m :=
obj-n :=
obj- :=
obj-$(CONFIG_PM) += pm.o
# CPU-specific support
-obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o
+obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.c
obj-$(CONFIG_ARCH_AT91SAM9260) +=
obj-$(CONFIG_ARCH_AT91SAM9261) +=
--- /dev/null
+/*
+ * arch/arm/mach-at91rm9200/at91rm9200_devices.c
+ *
+ * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
+ * Copyright (C) 2005 David Brownell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#include "generic.h"
+
+#define SZ_512 0x00000200
+#define SZ_256 0x00000100
+#define SZ_16 0x00000010
+
+/* --------------------------------------------------------------------
+ * USB Host
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static u64 ohci_dmamask = 0xffffffffUL;
+static struct at91_usbh_data usbh_data;
+
+static struct resource at91_usbh_resources[] = {
+ [0] = {
+ .start = AT91RM9200_UHP_BASE,
+ .end = AT91RM9200_UHP_BASE + SZ_1M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91RM9200_ID_UHP,
+ .end = AT91RM9200_ID_UHP,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91rm9200_usbh_device = {
+ .name = "at91_ohci",
+ .id = -1,
+ .dev = {
+ .dma_mask = &ohci_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &usbh_data,
+ },
+ .resource = at91_usbh_resources,
+ .num_resources = ARRAY_SIZE(at91_usbh_resources),
+};
+
+void __init at91_add_device_usbh(struct at91_usbh_data *data)
+{
+ if (!data)
+ return;
+
+ usbh_data = *data;
+ platform_device_register(&at91rm9200_usbh_device);
+}
+#else
+void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ * USB Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_USB_GADGET_AT91
+static struct at91_udc_data udc_data;
+
+static struct resource at91_udc_resources[] = {
+ [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 = {
+ .name = "at91_udc",
+ .id = -1,
+ .dev = {
+ .platform_data = &udc_data,
+ },
+ .resource = at91_udc_resources,
+ .num_resources = ARRAY_SIZE(at91_udc_resources),
+};
+
+void __init at91_add_device_udc(struct at91_udc_data *data)
+{
+ if (!data)
+ return;
+
+ if (data->vbus_pin) {
+ at91_set_gpio_input(data->vbus_pin, 0);
+ at91_set_deglitch(data->vbus_pin, 1);
+ }
+ if (data->pullup_pin)
+ at91_set_gpio_output(data->pullup_pin, 0);
+
+ udc_data = *data;
+ platform_device_register(&at91rm9200_udc_device);
+}
+#else
+void __init at91_add_device_udc(struct at91_udc_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ * Ethernet
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE)
+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,
+ .dev = {
+ .dma_mask = ð_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = ð_data,
+ },
+ .resource = at91_eth_resources,
+ .num_resources = ARRAY_SIZE(at91_eth_resources),
+};
+
+void __init at91_add_device_eth(struct at91_eth_data *data)
+{
+ if (!data)
+ return;
+
+ if (data->phy_irq_pin) {
+ at91_set_gpio_input(data->phy_irq_pin, 0);
+ at91_set_deglitch(data->phy_irq_pin, 1);
+ }
+
+ /* Pins used for MII and RMII */
+ at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */
+ at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */
+ at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */
+ at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */
+ at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */
+ at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */
+ at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */
+ at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */
+ at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */
+ at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */
+
+ if (!data->is_rmii) {
+ at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */
+ at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */
+ at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */
+ at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */
+ at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */
+ at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */
+ at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */
+ at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */
+ }
+
+ eth_data = *data;
+ platform_device_register(&at91rm9200_eth_device);
+}
+#else
+void __init at91_add_device_eth(struct at91_eth_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ * Compact Flash / PCMCIA
+ * -------------------------------------------------------------------- */
+
+#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,
+ },
+ .resource = at91_cf_resources,
+ .num_resources = ARRAY_SIZE(at91_cf_resources),
+};
+
+void __init at91_add_device_cf(struct at91_cf_data *data)
+{
+ if (!data)
+ return;
+
+ /* input/irq */
+ if (data->irq_pin) {
+ at91_set_gpio_input(data->irq_pin, 1);
+ at91_set_deglitch(data->irq_pin, 1);
+ }
+ at91_set_gpio_input(data->det_pin, 1);
+ at91_set_deglitch(data->det_pin, 1);
+
+ /* outputs, initially off */
+ if (data->vcc_pin)
+ 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);
+}
+#else
+void __init at91_add_device_cf(struct at91_cf_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ * MMC / SD
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE)
+static u64 mmc_dmamask = 0xffffffffUL;
+static struct at91_mmc_data mmc_data;
+
+static struct resource at91_mmc_resources[] = {
+ [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 = "at91_mci",
+ .id = -1,
+ .dev = {
+ .dma_mask = &mmc_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &mmc_data,
+ },
+ .resource = at91_mmc_resources,
+ .num_resources = ARRAY_SIZE(at91_mmc_resources),
+};
+
+void __init at91_add_device_mmc(struct at91_mmc_data *data)
+{
+ if (!data)
+ return;
+
+ /* input/irq */
+ if (data->det_pin) {
+ at91_set_gpio_input(data->det_pin, 1);
+ at91_set_deglitch(data->det_pin, 1);
+ }
+ if (data->wp_pin)
+ at91_set_gpio_input(data->wp_pin, 1);
+
+ /* CLK */
+ at91_set_A_periph(AT91_PIN_PA27, 0);
+
+ if (data->is_b) {
+ /* CMD */
+ at91_set_B_periph(AT91_PIN_PA8, 0);
+
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_B_periph(AT91_PIN_PA9, 0);
+ if (data->wire4) {
+ at91_set_B_periph(AT91_PIN_PA10, 0);
+ at91_set_B_periph(AT91_PIN_PA11, 0);
+ at91_set_B_periph(AT91_PIN_PA12, 0);
+ }
+ } else {
+ /* CMD */
+ at91_set_A_periph(AT91_PIN_PA28, 0);
+
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_A_periph(AT91_PIN_PA29, 0);
+ if (data->wire4) {
+ at91_set_B_periph(AT91_PIN_PB3, 0);
+ at91_set_B_periph(AT91_PIN_PB4, 0);
+ at91_set_B_periph(AT91_PIN_PB5, 0);
+ }
+ }
+
+ mmc_data = *data;
+ platform_device_register(&at91rm9200_mmc_device);
+}
+#else
+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 atmel_uart_data dbgu_data = {
+ .use_dma_tx = 0,
+ .use_dma_rx = 0, /* DBGU not capable of receive DMA */
+ .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
+};
+
+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 atmel_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 atmel_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 atmel_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 atmel_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[ATMEL_MAX_UART]; /* the UARTs to use */
+struct platform_device *atmel_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 < ATMEL_MAX_UART)
+ atmel_default_console_device = at91_uarts[config->console_tty];
+ if (!atmel_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 < ATMEL_MAX_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);
+++ /dev/null
-/*
- * arch/arm/mach-at91rm9200/devices.c
- *
- * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
- * Copyright (C) 2005 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <linux/platform_device.h>
-
-#include <asm/hardware.h>
-#include <asm/arch/board.h>
-#include <asm/arch/gpio.h>
-
-#include "generic.h"
-
-#define SZ_512 0x00000200
-#define SZ_256 0x00000100
-#define SZ_16 0x00000010
-
-/* --------------------------------------------------------------------
- * USB Host
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-static u64 ohci_dmamask = 0xffffffffUL;
-static struct at91_usbh_data usbh_data;
-
-static struct resource at91_usbh_resources[] = {
- [0] = {
- .start = AT91RM9200_UHP_BASE,
- .end = AT91RM9200_UHP_BASE + SZ_1M - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91RM9200_ID_UHP,
- .end = AT91RM9200_ID_UHP,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91rm9200_usbh_device = {
- .name = "at91_ohci",
- .id = -1,
- .dev = {
- .dma_mask = &ohci_dmamask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &usbh_data,
- },
- .resource = at91_usbh_resources,
- .num_resources = ARRAY_SIZE(at91_usbh_resources),
-};
-
-void __init at91_add_device_usbh(struct at91_usbh_data *data)
-{
- if (!data)
- return;
-
- usbh_data = *data;
- platform_device_register(&at91rm9200_usbh_device);
-}
-#else
-void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
-#endif
-
-
-/* --------------------------------------------------------------------
- * USB Device (Gadget)
- * -------------------------------------------------------------------- */
-
-#ifdef CONFIG_USB_GADGET_AT91
-static struct at91_udc_data udc_data;
-
-static struct resource at91_udc_resources[] = {
- [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 = {
- .name = "at91_udc",
- .id = -1,
- .dev = {
- .platform_data = &udc_data,
- },
- .resource = at91_udc_resources,
- .num_resources = ARRAY_SIZE(at91_udc_resources),
-};
-
-void __init at91_add_device_udc(struct at91_udc_data *data)
-{
- if (!data)
- return;
-
- if (data->vbus_pin) {
- at91_set_gpio_input(data->vbus_pin, 0);
- at91_set_deglitch(data->vbus_pin, 1);
- }
- if (data->pullup_pin)
- at91_set_gpio_output(data->pullup_pin, 0);
-
- udc_data = *data;
- platform_device_register(&at91rm9200_udc_device);
-}
-#else
-void __init at91_add_device_udc(struct at91_udc_data *data) {}
-#endif
-
-
-/* --------------------------------------------------------------------
- * Ethernet
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE)
-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,
- .dev = {
- .dma_mask = ð_dmamask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = ð_data,
- },
- .resource = at91_eth_resources,
- .num_resources = ARRAY_SIZE(at91_eth_resources),
-};
-
-void __init at91_add_device_eth(struct at91_eth_data *data)
-{
- if (!data)
- return;
-
- if (data->phy_irq_pin) {
- at91_set_gpio_input(data->phy_irq_pin, 0);
- at91_set_deglitch(data->phy_irq_pin, 1);
- }
-
- /* Pins used for MII and RMII */
- at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */
- at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */
- at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */
- at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */
- at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */
- at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */
- at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */
- at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */
- at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */
- at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */
-
- if (!data->is_rmii) {
- at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */
- at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */
- at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */
- at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */
- at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */
- at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */
- at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */
- at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */
- }
-
- eth_data = *data;
- platform_device_register(&at91rm9200_eth_device);
-}
-#else
-void __init at91_add_device_eth(struct at91_eth_data *data) {}
-#endif
-
-
-/* --------------------------------------------------------------------
- * Compact Flash / PCMCIA
- * -------------------------------------------------------------------- */
-
-#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,
- },
- .resource = at91_cf_resources,
- .num_resources = ARRAY_SIZE(at91_cf_resources),
-};
-
-void __init at91_add_device_cf(struct at91_cf_data *data)
-{
- if (!data)
- return;
-
- /* input/irq */
- if (data->irq_pin) {
- at91_set_gpio_input(data->irq_pin, 1);
- at91_set_deglitch(data->irq_pin, 1);
- }
- at91_set_gpio_input(data->det_pin, 1);
- at91_set_deglitch(data->det_pin, 1);
-
- /* outputs, initially off */
- if (data->vcc_pin)
- 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);
-}
-#else
-void __init at91_add_device_cf(struct at91_cf_data *data) {}
-#endif
-
-
-/* --------------------------------------------------------------------
- * MMC / SD
- * -------------------------------------------------------------------- */
-
-#if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE)
-static u64 mmc_dmamask = 0xffffffffUL;
-static struct at91_mmc_data mmc_data;
-
-static struct resource at91_mmc_resources[] = {
- [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 = "at91_mci",
- .id = -1,
- .dev = {
- .dma_mask = &mmc_dmamask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &mmc_data,
- },
- .resource = at91_mmc_resources,
- .num_resources = ARRAY_SIZE(at91_mmc_resources),
-};
-
-void __init at91_add_device_mmc(struct at91_mmc_data *data)
-{
- if (!data)
- return;
-
- /* input/irq */
- if (data->det_pin) {
- at91_set_gpio_input(data->det_pin, 1);
- at91_set_deglitch(data->det_pin, 1);
- }
- if (data->wp_pin)
- at91_set_gpio_input(data->wp_pin, 1);
-
- /* CLK */
- at91_set_A_periph(AT91_PIN_PA27, 0);
-
- if (data->is_b) {
- /* CMD */
- at91_set_B_periph(AT91_PIN_PA8, 0);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_B_periph(AT91_PIN_PA9, 0);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PA10, 0);
- at91_set_B_periph(AT91_PIN_PA11, 0);
- at91_set_B_periph(AT91_PIN_PA12, 0);
- }
- } else {
- /* CMD */
- at91_set_A_periph(AT91_PIN_PA28, 0);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_A_periph(AT91_PIN_PA29, 0);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PB3, 0);
- at91_set_B_periph(AT91_PIN_PB4, 0);
- at91_set_B_periph(AT91_PIN_PB5, 0);
- }
- }
-
- mmc_data = *data;
- platform_device_register(&at91rm9200_mmc_device);
-}
-#else
-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 atmel_uart_data dbgu_data = {
- .use_dma_tx = 0,
- .use_dma_rx = 0, /* DBGU not capable of receive DMA */
- .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
-};
-
-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 atmel_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 atmel_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 atmel_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 atmel_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[ATMEL_MAX_UART]; /* the UARTs to use */
-struct platform_device *atmel_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 < ATMEL_MAX_UART)
- atmel_default_console_device = at91_uarts[config->console_tty];
- if (!atmel_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 < ATMEL_MAX_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);
projects / powerpc.git / commitdiff