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22#include <linux/types.h>
23#include <linux/gpio.h>
24#include <linux/init.h>
25#include <linux/mm.h>
26#include <linux/module.h>
27#include <linux/platform_device.h>
28#include <linux/spi/spi.h>
29#include <linux/spi/at73c213.h>
30#include <linux/clk.h>
31#include <linux/i2c/at24.h>
32#include <linux/gpio_keys.h>
33#include <linux/input.h>
34
35#include <asm/setup.h>
36#include <asm/mach-types.h>
37#include <asm/irq.h>
38
39#include <asm/mach/arch.h>
40#include <asm/mach/map.h>
41#include <asm/mach/irq.h>
42
43#include <mach/hardware.h>
44#include <mach/at91sam9_smc.h>
45#include <mach/system_rev.h>
46
47#include "at91_aic.h"
48#include "at91_shdwc.h"
49#include "board.h"
50#include "sam9_smc.h"
51#include "generic.h"
52
53
54static void __init ek_init_early(void)
55{
56
57 at91_initialize(18432000);
58}
59
60
61
62
63static struct at91_usbh_data __initdata ek_usbh_data = {
64 .ports = 2,
65 .vbus_pin = {-EINVAL, -EINVAL},
66 .overcurrent_pin= {-EINVAL, -EINVAL},
67};
68
69
70
71
72static struct at91_udc_data __initdata ek_udc_data = {
73 .vbus_pin = AT91_PIN_PC5,
74 .pullup_pin = -EINVAL,
75};
76
77
78
79
80
81static struct at73c213_board_info at73c213_data = {
82 .ssc_id = 0,
83 .shortname = "AT91SAM9260-EK external DAC",
84};
85
86#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
87static void __init at73c213_set_clk(struct at73c213_board_info *info)
88{
89 struct clk *pck0;
90 struct clk *plla;
91
92 pck0 = clk_get(NULL, "pck0");
93 plla = clk_get(NULL, "plla");
94
95
96 at91_set_B_periph(AT91_PIN_PC1, 0);
97
98 clk_set_parent(pck0, plla);
99 clk_put(plla);
100
101 info->dac_clk = pck0;
102}
103#else
104static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
105#endif
106
107
108
109
110static struct spi_board_info ek_spi_devices[] = {
111#if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
112 {
113 .modalias = "mtd_dataflash",
114 .chip_select = 1,
115 .max_speed_hz = 15 * 1000 * 1000,
116 .bus_num = 0,
117 },
118#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
119 {
120 .modalias = "mtd_dataflash",
121 .chip_select = 0,
122 .max_speed_hz = 15 * 1000 * 1000,
123 .bus_num = 0,
124 },
125#endif
126#endif
127#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
128 {
129 .modalias = "at73c213",
130 .chip_select = 0,
131 .max_speed_hz = 10 * 1000 * 1000,
132 .bus_num = 1,
133 .mode = SPI_MODE_1,
134 .platform_data = &at73c213_data,
135 },
136#endif
137};
138
139
140
141
142
143static struct macb_platform_data __initdata ek_macb_data = {
144 .phy_irq_pin = AT91_PIN_PA7,
145 .is_rmii = 1,
146};
147
148
149
150
151
152static struct mtd_partition __initdata ek_nand_partition[] = {
153 {
154 .name = "Partition 1",
155 .offset = 0,
156 .size = SZ_256K,
157 },
158 {
159 .name = "Partition 2",
160 .offset = MTDPART_OFS_NXTBLK,
161 .size = MTDPART_SIZ_FULL,
162 },
163};
164
165static struct atmel_nand_data __initdata ek_nand_data = {
166 .ale = 21,
167 .cle = 22,
168 .det_pin = -EINVAL,
169 .rdy_pin = AT91_PIN_PC13,
170 .enable_pin = AT91_PIN_PC14,
171 .ecc_mode = NAND_ECC_SOFT,
172 .on_flash_bbt = 1,
173 .parts = ek_nand_partition,
174 .num_parts = ARRAY_SIZE(ek_nand_partition),
175};
176
177static struct sam9_smc_config __initdata ek_nand_smc_config = {
178 .ncs_read_setup = 0,
179 .nrd_setup = 1,
180 .ncs_write_setup = 0,
181 .nwe_setup = 1,
182
183 .ncs_read_pulse = 3,
184 .nrd_pulse = 3,
185 .ncs_write_pulse = 3,
186 .nwe_pulse = 3,
187
188 .read_cycle = 5,
189 .write_cycle = 5,
190
191 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
192 .tdf_cycles = 2,
193};
194
195static void __init ek_add_device_nand(void)
196{
197 ek_nand_data.bus_width_16 = board_have_nand_16bit();
198
199 if (ek_nand_data.bus_width_16)
200 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
201 else
202 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
203
204
205 sam9_smc_configure(0, 3, &ek_nand_smc_config);
206
207 at91_add_device_nand(&ek_nand_data);
208}
209
210
211
212
213
214static struct mci_platform_data __initdata ek_mci0_data = {
215 .slot[1] = {
216 .bus_width = 4,
217 .detect_pin = -EINVAL,
218 .wp_pin = -EINVAL,
219 },
220};
221
222
223
224
225
226static struct gpio_led ek_leds[] = {
227 {
228 .name = "ds5",
229 .gpio = AT91_PIN_PA6,
230 .active_low = 1,
231 .default_trigger = "none",
232 },
233 {
234 .name = "ds1",
235 .gpio = AT91_PIN_PA9,
236 .default_trigger = "heartbeat",
237 }
238};
239
240
241
242
243static struct at24_platform_data at24c512 = {
244 .byte_len = SZ_512K / 8,
245 .page_size = 128,
246 .flags = AT24_FLAG_ADDR16,
247};
248
249static struct i2c_board_info __initdata ek_i2c_devices[] = {
250 {
251 I2C_BOARD_INFO("24c512", 0x50),
252 .platform_data = &at24c512,
253 },
254
255};
256
257
258
259
260
261#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
262static struct gpio_keys_button ek_buttons[] = {
263 {
264 .gpio = AT91_PIN_PA30,
265 .code = BTN_3,
266 .desc = "Button 3",
267 .active_low = 1,
268 .wakeup = 1,
269 },
270 {
271 .gpio = AT91_PIN_PA31,
272 .code = BTN_4,
273 .desc = "Button 4",
274 .active_low = 1,
275 .wakeup = 1,
276 }
277};
278
279static struct gpio_keys_platform_data ek_button_data = {
280 .buttons = ek_buttons,
281 .nbuttons = ARRAY_SIZE(ek_buttons),
282};
283
284static struct platform_device ek_button_device = {
285 .name = "gpio-keys",
286 .id = -1,
287 .num_resources = 0,
288 .dev = {
289 .platform_data = &ek_button_data,
290 }
291};
292
293static void __init ek_add_device_buttons(void)
294{
295 at91_set_gpio_input(AT91_PIN_PA30, 1);
296 at91_set_deglitch(AT91_PIN_PA30, 1);
297 at91_set_gpio_input(AT91_PIN_PA31, 1);
298 at91_set_deglitch(AT91_PIN_PA31, 1);
299
300 platform_device_register(&ek_button_device);
301}
302#else
303static void __init ek_add_device_buttons(void) {}
304#endif
305
306
307static void __init ek_board_init(void)
308{
309
310
311 at91_register_uart(0, 0, 0);
312
313
314 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
315 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
316 | ATMEL_UART_RI);
317
318
319 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
320 at91_add_device_serial();
321
322 at91_add_device_usbh(&ek_usbh_data);
323
324 at91_add_device_udc(&ek_udc_data);
325
326 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
327
328 ek_add_device_nand();
329
330 at91_add_device_eth(&ek_macb_data);
331
332 at91_add_device_mci(0, &ek_mci0_data);
333
334 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
335
336 at73c213_set_clk(&at73c213_data);
337 at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
338
339 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
340
341 ek_add_device_buttons();
342}
343
344MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
345
346 .init_time = at91sam926x_pit_init,
347 .map_io = at91_map_io,
348 .handle_irq = at91_aic_handle_irq,
349 .init_early = ek_init_early,
350 .init_irq = at91_init_irq_default,
351 .init_machine = ek_board_init,
352MACHINE_END
353
