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20#include <linux/mm.h>
21#include <linux/platform_device.h>
22#include <linux/gpio.h>
23#include <linux/w1-gpio.h>
24
25#include <asm/mach-types.h>
26#include <asm/mach/arch.h>
27
28#include <mach/at91sam9_smc.h>
29#include <mach/hardware.h>
30
31#include "at91_aic.h"
32#include "board.h"
33#include "sam9_smc.h"
34#include "generic.h"
35#include "gpio.h"
36
37
38void __init stamp9g20_init_early(void)
39{
40
41 at91_initialize(18432000);
42}
43
44
45
46
47static struct atmel_nand_data __initdata nand_data = {
48 .ale = 21,
49 .cle = 22,
50 .rdy_pin = AT91_PIN_PC13,
51 .enable_pin = AT91_PIN_PC14,
52 .bus_width_16 = 0,
53 .det_pin = -EINVAL,
54 .ecc_mode = NAND_ECC_SOFT,
55};
56
57static struct sam9_smc_config __initdata nand_smc_config = {
58 .ncs_read_setup = 0,
59 .nrd_setup = 2,
60 .ncs_write_setup = 0,
61 .nwe_setup = 2,
62
63 .ncs_read_pulse = 4,
64 .nrd_pulse = 4,
65 .ncs_write_pulse = 4,
66 .nwe_pulse = 4,
67
68 .read_cycle = 7,
69 .write_cycle = 7,
70
71 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
72 .tdf_cycles = 3,
73};
74
75static void __init add_device_nand(void)
76{
77
78 sam9_smc_configure(0, 3, &nand_smc_config);
79
80 at91_add_device_nand(&nand_data);
81}
82
83
84
85
86
87
88static struct mci_platform_data __initdata mmc_data = {
89 .slot[0] = {
90 .bus_width = 4,
91 .detect_pin = -1,
92 .wp_pin = -1,
93 },
94};
95
96
97
98
99
100static struct at91_usbh_data __initdata usbh_data = {
101 .ports = 2,
102 .vbus_pin = {-EINVAL, -EINVAL},
103 .overcurrent_pin= {-EINVAL, -EINVAL},
104};
105
106
107
108
109
110static struct at91_udc_data __initdata portuxg20_udc_data = {
111 .vbus_pin = AT91_PIN_PC7,
112 .pullup_pin = -EINVAL,
113};
114
115static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
116 .vbus_pin = AT91_PIN_PA22,
117 .pullup_pin = -EINVAL,
118};
119
120
121
122
123
124static struct macb_platform_data __initdata macb_data = {
125 .phy_irq_pin = AT91_PIN_PA28,
126 .is_rmii = 1,
127};
128
129
130
131
132
133static struct gpio_led portuxg20_leds[] = {
134 {
135 .name = "LED2",
136 .gpio = AT91_PIN_PC5,
137 .default_trigger = "none",
138 }, {
139 .name = "LED3",
140 .gpio = AT91_PIN_PC4,
141 .default_trigger = "none",
142 }, {
143 .name = "LED4",
144 .gpio = AT91_PIN_PC10,
145 .default_trigger = "heartbeat",
146 }
147};
148
149static struct gpio_led stamp9g20evb_leds[] = {
150 {
151 .name = "D8",
152 .gpio = AT91_PIN_PB18,
153 .active_low = 1,
154 .default_trigger = "none",
155 }, {
156 .name = "D9",
157 .gpio = AT91_PIN_PB19,
158 .active_low = 1,
159 .default_trigger = "none",
160 }, {
161 .name = "D10",
162 .gpio = AT91_PIN_PB20,
163 .active_low = 1,
164 .default_trigger = "heartbeat",
165 }
166};
167
168
169
170
171
172static struct spi_board_info portuxg20_spi_devices[] = {
173 {
174 .modalias = "spidev",
175 .chip_select = 0,
176 .max_speed_hz = 1 * 1000 * 1000,
177 .bus_num = 0,
178 }, {
179 .modalias = "spidev",
180 .chip_select = 0,
181 .max_speed_hz = 1 * 1000 * 1000,
182 .bus_num = 1,
183 },
184};
185
186
187
188
189
190static struct w1_gpio_platform_data w1_gpio_pdata = {
191 .pin = AT91_PIN_PA29,
192 .is_open_drain = 1,
193 .ext_pullup_enable_pin = -EINVAL,
194};
195
196static struct platform_device w1_device = {
197 .name = "w1-gpio",
198 .id = -1,
199 .dev.platform_data = &w1_gpio_pdata,
200};
201
202void add_w1(void)
203{
204 at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
205 at91_set_multi_drive(w1_gpio_pdata.pin, 1);
206 platform_device_register(&w1_device);
207}
208
209
210void __init stamp9g20_board_init(void)
211{
212
213
214 at91_register_uart(0, 0, 0);
215 at91_add_device_serial();
216
217 add_device_nand();
218
219 at91_add_device_mci(0, &mmc_data);
220
221 add_w1();
222}
223
224static void __init portuxg20_board_init(void)
225{
226
227 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
228 | ATMEL_UART_DTR | ATMEL_UART_DSR
229 | ATMEL_UART_DCD | ATMEL_UART_RI);
230
231
232 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
233
234
235 at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
236
237
238 at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
239
240
241 at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
242 stamp9g20_board_init();
243
244 at91_add_device_usbh(&usbh_data);
245
246 at91_add_device_udc(&portuxg20_udc_data);
247
248 at91_add_device_eth(&macb_data);
249
250 at91_add_device_i2c(NULL, 0);
251
252 at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
253
254 at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
255}
256
257static void __init stamp9g20evb_board_init(void)
258{
259
260 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
261 | ATMEL_UART_DTR | ATMEL_UART_DSR
262 | ATMEL_UART_DCD | ATMEL_UART_RI);
263 stamp9g20_board_init();
264
265 at91_add_device_usbh(&usbh_data);
266
267 at91_add_device_udc(&stamp9g20evb_udc_data);
268
269 at91_add_device_eth(&macb_data);
270
271 at91_add_device_i2c(NULL, 0);
272
273 at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
274}
275
276MACHINE_START(PORTUXG20, "taskit PortuxG20")
277
278 .init_time = at91sam926x_pit_init,
279 .map_io = at91_map_io,
280 .handle_irq = at91_aic_handle_irq,
281 .init_early = stamp9g20_init_early,
282 .init_irq = at91_init_irq_default,
283 .init_machine = portuxg20_board_init,
284MACHINE_END
285
286MACHINE_START(STAMP9G20, "taskit Stamp9G20")
287
288 .init_time = at91sam926x_pit_init,
289 .map_io = at91_map_io,
290 .handle_irq = at91_aic_handle_irq,
291 .init_early = stamp9g20_init_early,
292 .init_irq = at91_init_irq_default,
293 .init_machine = stamp9g20evb_board_init,
294MACHINE_END
295
