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82cb8654 JH |
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 | ||
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 | */ | |
84e0cdb0 | 63 | static struct macb_platform_data rsi_ews_eth_data __initdata = { |
82cb8654 JH |
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, | |
63b4c296 JCPV |
73 | .vbus_pin = {-EINVAL, -EINVAL}, |
74 | .overcurrent_pin= {-EINVAL, -EINVAL}, | |
82cb8654 JH |
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 | */ | |
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 |