6 * 2008-2011 R-S-I Elektrotechnik GmbH & Co. KG
8 * Licensed under GPLv2 or later.
11 #include <linux/types.h>
12 #include <linux/init.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/spi/spi.h>
17 #include <linux/mtd/physmap.h>
19 #include <asm/setup.h>
20 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
27 #include <mach/hardware.h>
28 #include <mach/board.h>
30 #include <linux/gpio.h>
34 static void __init rsi_ews_init_early(void)
36 /* Initialize processor: 18.432 MHz crystal */
37 at91_initialize(18432000);
40 at91_init_leds(AT91_PIN_PB6, AT91_PIN_PB9);
42 /* DBGU on ttyS0. (Rx & Tx only) */
43 /* This one is for debugging */
44 at91_register_uart(0, 0, 0);
46 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
47 /* Dialin/-out modem interface */
48 at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS
49 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
52 /* USART3 on ttyS4. (Rx, Tx, RTS) */
53 /* RS485 communication */
54 at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS);
56 /* set serial console to ttyS0 (ie, DBGU) */
57 at91_set_serial_console(0);
63 static struct macb_platform_data rsi_ews_eth_data __initdata = {
64 .phy_irq_pin = AT91_PIN_PC4,
71 static struct at91_usbh_data rsi_ews_usbh_data __initdata = {
73 .vbus_pin = {-EINVAL, -EINVAL},
74 .overcurrent_pin= {-EINVAL, -EINVAL},
80 static struct at91_mmc_data rsi_ews_mmc_data __initdata = {
83 .det_pin = AT91_PIN_PB27,
84 .wp_pin = AT91_PIN_PB29,
90 static struct i2c_board_info rsi_ews_i2c_devices[] __initdata = {
92 I2C_BOARD_INFO("ds1337", 0x68),
95 I2C_BOARD_INFO("24c01", 0x50),
102 static struct gpio_led rsi_ews_leds[] = {
105 .gpio = AT91_PIN_PB6,
110 .gpio = AT91_PIN_PB7,
115 .gpio = AT91_PIN_PB8,
120 .gpio = AT91_PIN_PB9,
128 static struct spi_board_info rsi_ews_spi_devices[] = {
129 { /* DataFlash chip 1*/
130 .modalias = "mtd_dataflash",
132 .max_speed_hz = 5 * 1000 * 1000,
134 { /* DataFlash chip 2*/
135 .modalias = "mtd_dataflash",
137 .max_speed_hz = 5 * 1000 * 1000,
144 static struct mtd_partition rsiews_nor_partitions[] = {
149 .mask_flags = MTD_WRITEABLE
153 .offset = MTDPART_OFS_NXTBLK,
154 .size = SZ_2M - (3 * SZ_128K)
158 .offset = MTDPART_OFS_NXTBLK,
163 .offset = MTDPART_OFS_NXTBLK,
165 .mask_flags = MTD_WRITEABLE
169 .offset = MTDPART_OFS_NXTBLK,
171 .mask_flags = MTD_WRITEABLE
175 static struct physmap_flash_data rsiews_nor_data = {
177 .parts = rsiews_nor_partitions,
178 .nr_parts = ARRAY_SIZE(rsiews_nor_partitions),
181 #define NOR_BASE AT91_CHIPSELECT_0
182 #define NOR_SIZE SZ_16M
184 static struct resource nor_flash_resources[] = {
187 .end = NOR_BASE + NOR_SIZE - 1,
188 .flags = IORESOURCE_MEM,
192 static struct platform_device rsiews_nor_flash = {
193 .name = "physmap-flash",
196 .platform_data = &rsiews_nor_data,
198 .resource = nor_flash_resources,
199 .num_resources = ARRAY_SIZE(nor_flash_resources),
205 static void __init rsi_ews_board_init(void)
208 at91_add_device_serial();
209 at91_set_gpio_output(AT91_PIN_PA21, 0);
211 at91_add_device_eth(&rsi_ews_eth_data);
213 at91_add_device_usbh(&rsi_ews_usbh_data);
215 at91_add_device_i2c(rsi_ews_i2c_devices,
216 ARRAY_SIZE(rsi_ews_i2c_devices));
218 at91_add_device_spi(rsi_ews_spi_devices,
219 ARRAY_SIZE(rsi_ews_spi_devices));
221 at91_add_device_mmc(0, &rsi_ews_mmc_data);
223 platform_device_register(&rsiews_nor_flash);
225 at91_gpio_leds(rsi_ews_leds, ARRAY_SIZE(rsi_ews_leds));
228 MACHINE_START(RSI_EWS, "RSI EWS")
229 /* Maintainer: Josef Holzmayr <holzmayr@rsi-elektrotechnik.de> */
230 .timer = &at91rm9200_timer,
231 .map_io = at91_map_io,
232 .init_early = rsi_ews_init_early,
233 .init_irq = at91_init_irq_default,
234 .init_machine = rsi_ews_board_init,