1 /*
2 * board-rsi-ews.c
3 *
4 * Copyright (C)
5 * 2005 SAN People,
6 * 2008-2011 R-S-I Elektrotechnik GmbH & Co. KG
7 *
8 * Licensed under GPLv2 or later.
9 */
10
11 #include <linux/types.h>
12 #include <linux/init.h>
13 #include <linux/mm.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/spi/spi.h>
17 #include <linux/mtd/physmap.h>
18
19 #include <asm/setup.h>
20 #include <asm/mach-types.h>
21 #include <asm/irq.h>
22
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
26
27 #include <mach/hardware.h>
28 #include <mach/board.h>
29
30 #include <linux/gpio.h>
31
32 #include "generic.h"
33
rsi_ews_init_early(void)34 static void __init rsi_ews_init_early(void)
35 {
36 /* Initialize processor: 18.432 MHz crystal */
37 at91_initialize(18432000);
38
39 /* Setup the LEDs */
40 at91_init_leds(AT91_PIN_PB6, AT91_PIN_PB9);
41
42 /* DBGU on ttyS0. (Rx & Tx only) */
43 /* This one is for debugging */
44 at91_register_uart(0, 0, 0);
45
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
50 | ATMEL_UART_RI);
51
52 /* USART3 on ttyS4. (Rx, Tx, RTS) */
53 /* RS485 communication */
54 at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS);
55
56 /* set serial console to ttyS0 (ie, DBGU) */
57 at91_set_serial_console(0);
58 }
59
60 /*
61 * Ethernet
62 */
63 static struct macb_platform_data rsi_ews_eth_data __initdata = {
64 .phy_irq_pin = AT91_PIN_PC4,
65 .is_rmii = 1,
66 };
67
68 /*
69 * USB Host
70 */
71 static struct at91_usbh_data rsi_ews_usbh_data __initdata = {
72 .ports = 1,
73 .vbus_pin = {-EINVAL, -EINVAL},
74 .overcurrent_pin= {-EINVAL, -EINVAL},
75 };
76
77 /*
78 * SD/MC
79 */
80 static struct at91_mmc_data rsi_ews_mmc_data __initdata = {
81 .slot_b = 0,
82 .wire4 = 1,
83 .det_pin = AT91_PIN_PB27,
84 .wp_pin = AT91_PIN_PB29,
85 };
86
87 /*
88 * I2C
89 */
90 static struct i2c_board_info rsi_ews_i2c_devices[] __initdata = {
91 {
92 I2C_BOARD_INFO("ds1337", 0x68),
93 },
94 {
95 I2C_BOARD_INFO("24c01", 0x50),
96 }
97 };
98
99 /*
100 * LEDs
101 */
102 static struct gpio_led rsi_ews_leds[] = {
103 {
104 .name = "led0",
105 .gpio = AT91_PIN_PB6,
106 .active_low = 0,
107 },
108 {
109 .name = "led1",
110 .gpio = AT91_PIN_PB7,
111 .active_low = 0,
112 },
113 {
114 .name = "led2",
115 .gpio = AT91_PIN_PB8,
116 .active_low = 0,
117 },
118 {
119 .name = "led3",
120 .gpio = AT91_PIN_PB9,
121 .active_low = 0,
122 },
123 };
124
125 /*
126 * DataFlash
127 */
128 static struct spi_board_info rsi_ews_spi_devices[] = {
129 { /* DataFlash chip 1*/
130 .modalias = "mtd_dataflash",
131 .chip_select = 0,
132 .max_speed_hz = 5 * 1000 * 1000,
133 },
134 { /* DataFlash chip 2*/
135 .modalias = "mtd_dataflash",
136 .chip_select = 1,
137 .max_speed_hz = 5 * 1000 * 1000,
138 },
139 };
140
141 /*
142 * NOR flash
143 */
144 static struct mtd_partition rsiews_nor_partitions[] = {
145 {
146 .name = "boot",
147 .offset = 0,
148 .size = 3 * SZ_128K,
149 .mask_flags = MTD_WRITEABLE
150 },
151 {
152 .name = "kernel",
153 .offset = MTDPART_OFS_NXTBLK,
154 .size = SZ_2M - (3 * SZ_128K)
155 },
156 {
157 .name = "root",
158 .offset = MTDPART_OFS_NXTBLK,
159 .size = SZ_8M
160 },
161 {
162 .name = "kernelupd",
163 .offset = MTDPART_OFS_NXTBLK,
164 .size = 3 * SZ_512K,
165 .mask_flags = MTD_WRITEABLE
166 },
167 {
168 .name = "rootupd",
169 .offset = MTDPART_OFS_NXTBLK,
170 .size = 9 * SZ_512K,
171 .mask_flags = MTD_WRITEABLE
172 },
173 };
174
175 static struct physmap_flash_data rsiews_nor_data = {
176 .width = 2,
177 .parts = rsiews_nor_partitions,
178 .nr_parts = ARRAY_SIZE(rsiews_nor_partitions),
179 };
180
181 #define NOR_BASE AT91_CHIPSELECT_0
182 #define NOR_SIZE SZ_16M
183
184 static struct resource nor_flash_resources[] = {
185 {
186 .start = NOR_BASE,
187 .end = NOR_BASE + NOR_SIZE - 1,
188 .flags = IORESOURCE_MEM,
189 }
190 };
191
192 static struct platform_device rsiews_nor_flash = {
193 .name = "physmap-flash",
194 .id = 0,
195 .dev = {
196 .platform_data = &rsiews_nor_data,
197 },
198 .resource = nor_flash_resources,
199 .num_resources = ARRAY_SIZE(nor_flash_resources),
200 };
201
202 /*
203 * Init Func
204 */
rsi_ews_board_init(void)205 static void __init rsi_ews_board_init(void)
206 {
207 /* Serial */
208 at91_add_device_serial();
209 at91_set_gpio_output(AT91_PIN_PA21, 0);
210 /* Ethernet */
211 at91_add_device_eth(&rsi_ews_eth_data);
212 /* USB Host */
213 at91_add_device_usbh(&rsi_ews_usbh_data);
214 /* I2C */
215 at91_add_device_i2c(rsi_ews_i2c_devices,
216 ARRAY_SIZE(rsi_ews_i2c_devices));
217 /* SPI */
218 at91_add_device_spi(rsi_ews_spi_devices,
219 ARRAY_SIZE(rsi_ews_spi_devices));
220 /* MMC */
221 at91_add_device_mmc(0, &rsi_ews_mmc_data);
222 /* NOR Flash */
223 platform_device_register(&rsiews_nor_flash);
224 /* LEDs */
225 at91_gpio_leds(rsi_ews_leds, ARRAY_SIZE(rsi_ews_leds));
226 }
227
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,
235 MACHINE_END
236