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20#include <linux/types.h>
21#include <linux/init.h>
22#include <linux/mm.h>
23#include <linux/module.h>
24#include <linux/platform_device.h>
25#include <linux/spi/spi.h>
26#include <linux/spi/at73c213.h>
27#include <linux/gpio_keys.h>
28#include <linux/input.h>
29#include <linux/clk.h>
30
31#include <mach/hardware.h>
32#include <asm/setup.h>
33#include <asm/mach-types.h>
34#include <asm/irq.h>
35
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
38#include <asm/mach/irq.h>
39
40#include <mach/board.h>
41#include <mach/gpio.h>
42#include <mach/at91sam9_smc.h>
43
44#include "sam9_smc.h"
45#include "generic.h"
46
47
48static void __init ek_map_io(void)
49{
50
51 at91sam9260_initialize(18432000);
52
53
54 at91_register_uart(0, 0, 0);
55
56
57 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
58 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
59 | ATMEL_UART_RI);
60
61
62 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
63
64
65 at91_set_serial_console(0);
66}
67
68static void __init ek_init_irq(void)
69{
70 at91sam9260_init_interrupts(NULL);
71}
72
73
74
75
76
77static struct at91_usbh_data __initdata ek_usbh_data = {
78 .ports = 2,
79};
80
81
82
83
84static struct at91_udc_data __initdata ek_udc_data = {
85 .vbus_pin = AT91_PIN_PC5,
86 .pullup_pin = 0,
87};
88
89
90
91
92
93static struct spi_board_info ek_spi_devices[] = {
94#if !defined(CONFIG_MMC_AT91)
95 {
96 .modalias = "mtd_dataflash",
97 .chip_select = 1,
98 .max_speed_hz = 15 * 1000 * 1000,
99 .bus_num = 0,
100 },
101#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
102 {
103 .modalias = "mtd_dataflash",
104 .chip_select = 0,
105 .max_speed_hz = 15 * 1000 * 1000,
106 .bus_num = 0,
107 },
108#endif
109#endif
110};
111
112
113
114
115
116static struct at91_eth_data __initdata ek_macb_data = {
117 .phy_irq_pin = AT91_PIN_PA7,
118 .is_rmii = 1,
119};
120
121
122
123
124
125static struct mtd_partition __initdata ek_nand_partition[] = {
126 {
127 .name = "Bootstrap",
128 .offset = 0,
129 .size = 4 * SZ_1M,
130 },
131 {
132 .name = "Partition 1",
133 .offset = MTDPART_OFS_NXTBLK,
134 .size = 60 * SZ_1M,
135 },
136 {
137 .name = "Partition 2",
138 .offset = MTDPART_OFS_NXTBLK,
139 .size = MTDPART_SIZ_FULL,
140 },
141};
142
143static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
144{
145 *num_partitions = ARRAY_SIZE(ek_nand_partition);
146 return ek_nand_partition;
147}
148
149
150static struct atmel_nand_data __initdata ek_nand_data = {
151 .ale = 21,
152 .cle = 22,
153 .rdy_pin = AT91_PIN_PC13,
154 .enable_pin = AT91_PIN_PC14,
155 .partition_info = nand_partitions,
156#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
157 .bus_width_16 = 1,
158#else
159 .bus_width_16 = 0,
160#endif
161};
162
163static struct sam9_smc_config __initdata ek_nand_smc_config = {
164 .ncs_read_setup = 0,
165 .nrd_setup = 2,
166 .ncs_write_setup = 0,
167 .nwe_setup = 2,
168
169 .ncs_read_pulse = 4,
170 .nrd_pulse = 4,
171 .ncs_write_pulse = 4,
172 .nwe_pulse = 4,
173
174 .read_cycle = 7,
175 .write_cycle = 7,
176
177 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
178 .tdf_cycles = 3,
179};
180
181static void __init ek_add_device_nand(void)
182{
183
184 if (ek_nand_data.bus_width_16)
185 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
186 else
187 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
188
189
190 sam9_smc_configure(3, &ek_nand_smc_config);
191
192 at91_add_device_nand(&ek_nand_data);
193}
194
195
196
197
198
199
200static struct at91_mmc_data __initdata ek_mmc_data = {
201 .slot_b = 1,
202 .wire4 = 1,
203};
204
205
206
207
208
209static struct gpio_led ek_leds[] = {
210 {
211 .name = "ds5",
212 .gpio = AT91_PIN_PA6,
213 .active_low = 1,
214 .default_trigger = "none",
215 },
216 {
217 .name = "ds1",
218 .gpio = AT91_PIN_PA9,
219 .default_trigger = "heartbeat",
220 }
221};
222
223
224
225
226
227#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
228static struct gpio_keys_button ek_buttons[] = {
229 {
230 .gpio = AT91_PIN_PA30,
231 .code = BTN_3,
232 .desc = "Button 3",
233 .active_low = 1,
234 .wakeup = 1,
235 },
236 {
237 .gpio = AT91_PIN_PA31,
238 .code = BTN_4,
239 .desc = "Button 4",
240 .active_low = 1,
241 .wakeup = 1,
242 }
243};
244
245static struct gpio_keys_platform_data ek_button_data = {
246 .buttons = ek_buttons,
247 .nbuttons = ARRAY_SIZE(ek_buttons),
248};
249
250static struct platform_device ek_button_device = {
251 .name = "gpio-keys",
252 .id = -1,
253 .num_resources = 0,
254 .dev = {
255 .platform_data = &ek_button_data,
256 }
257};
258
259static void __init ek_add_device_buttons(void)
260{
261 at91_set_gpio_input(AT91_PIN_PA30, 1);
262 at91_set_deglitch(AT91_PIN_PA30, 1);
263 at91_set_gpio_input(AT91_PIN_PA31, 1);
264 at91_set_deglitch(AT91_PIN_PA31, 1);
265
266 platform_device_register(&ek_button_device);
267}
268#else
269static void __init ek_add_device_buttons(void) {}
270#endif
271
272
273static struct i2c_board_info __initdata ek_i2c_devices[] = {
274 {
275 I2C_BOARD_INFO("24c512", 0x50),
276 I2C_BOARD_INFO("wm8731", 0x1b),
277 },
278};
279
280
281static void __init ek_board_init(void)
282{
283
284 at91_add_device_serial();
285
286 at91_add_device_usbh(&ek_usbh_data);
287
288 at91_add_device_udc(&ek_udc_data);
289
290 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
291
292 ek_add_device_nand();
293
294 at91_add_device_eth(&ek_macb_data);
295
296 at91_add_device_mmc(0, &ek_mmc_data);
297
298 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
299
300 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
301
302 ek_add_device_buttons();
303
304 at91_set_B_periph(AT91_PIN_PC1, 0);
305
306 at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
307}
308
309MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK")
310
311 .phys_io = AT91_BASE_SYS,
312 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
313 .boot_params = AT91_SDRAM_BASE + 0x100,
314 .timer = &at91sam926x_timer,
315 .map_io = ek_map_io,
316 .init_irq = ek_init_irq,
317 .init_machine = ek_board_init,
318MACHINE_END
319