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41a353d1 EB |
1 | /* |
2 | * linux/arch/arm/mach-at91/board-cpu9krea.c | |
3 | * | |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2006 Atmel | |
6 | * Copyright (C) 2009 Eric Benard - eric@eukrea.com | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #include <linux/types.h> | |
2f8163ba | 24 | #include <linux/gpio.h> |
41a353d1 EB |
25 | #include <linux/init.h> |
26 | #include <linux/mm.h> | |
27 | #include <linux/module.h> | |
28 | #include <linux/platform_device.h> | |
29 | #include <linux/clk.h> | |
30 | #include <linux/gpio_keys.h> | |
31 | #include <linux/input.h> | |
32 | #include <linux/mtd/physmap.h> | |
33 | ||
34 | #include <asm/setup.h> | |
35 | #include <asm/mach-types.h> | |
36 | #include <asm/irq.h> | |
37 | ||
38 | #include <asm/mach/arch.h> | |
39 | #include <asm/mach/map.h> | |
40 | #include <asm/mach/irq.h> | |
41 | ||
42 | #include <mach/hardware.h> | |
41a353d1 EB |
43 | #include <mach/at91sam9_smc.h> |
44 | #include <mach/at91sam9260_matrix.h> | |
4342d647 | 45 | #include <mach/at91_matrix.h> |
41a353d1 | 46 | |
a510b9ba | 47 | #include "at91_aic.h" |
43d2f532 | 48 | #include "board.h" |
41a353d1 EB |
49 | #include "sam9_smc.h" |
50 | #include "generic.h" | |
51 | ||
1b021a3b | 52 | static void __init cpu9krea_init_early(void) |
41a353d1 EB |
53 | { |
54 | /* Initialize processor: 18.432 MHz crystal */ | |
21d08b9d | 55 | at91_initialize(18432000); |
41a353d1 EB |
56 | } |
57 | ||
41a353d1 EB |
58 | /* |
59 | * USB Host port | |
60 | */ | |
61 | static struct at91_usbh_data __initdata cpu9krea_usbh_data = { | |
62 | .ports = 2, | |
63b4c296 JCPV |
63 | .vbus_pin = {-EINVAL, -EINVAL}, |
64 | .overcurrent_pin= {-EINVAL, -EINVAL}, | |
41a353d1 EB |
65 | }; |
66 | ||
67 | /* | |
68 | * USB Device port | |
69 | */ | |
70 | static struct at91_udc_data __initdata cpu9krea_udc_data = { | |
71 | .vbus_pin = AT91_PIN_PC8, | |
63b4c296 | 72 | .pullup_pin = -EINVAL, /* pull-up driven by UDC */ |
41a353d1 EB |
73 | }; |
74 | ||
75 | /* | |
76 | * MACB Ethernet device | |
77 | */ | |
84e0cdb0 | 78 | static struct macb_platform_data __initdata cpu9krea_macb_data = { |
63b4c296 | 79 | .phy_irq_pin = -EINVAL, |
41a353d1 EB |
80 | .is_rmii = 1, |
81 | }; | |
82 | ||
83 | /* | |
84 | * NAND flash | |
85 | */ | |
86 | static struct atmel_nand_data __initdata cpu9krea_nand_data = { | |
87 | .ale = 21, | |
88 | .cle = 22, | |
89 | .rdy_pin = AT91_PIN_PC13, | |
90 | .enable_pin = AT91_PIN_PC14, | |
91 | .bus_width_16 = 0, | |
63b4c296 | 92 | .det_pin = -EINVAL, |
bf4289cb | 93 | .ecc_mode = NAND_ECC_SOFT, |
41a353d1 EB |
94 | }; |
95 | ||
96 | #ifdef CONFIG_MACH_CPU9260 | |
97 | static struct sam9_smc_config __initdata cpu9krea_nand_smc_config = { | |
98 | .ncs_read_setup = 0, | |
99 | .nrd_setup = 1, | |
100 | .ncs_write_setup = 0, | |
101 | .nwe_setup = 1, | |
102 | ||
103 | .ncs_read_pulse = 3, | |
104 | .nrd_pulse = 3, | |
105 | .ncs_write_pulse = 3, | |
106 | .nwe_pulse = 3, | |
107 | ||
108 | .read_cycle = 5, | |
109 | .write_cycle = 5, | |
110 | ||
111 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | |
112 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | |
113 | .tdf_cycles = 2, | |
114 | }; | |
115 | #else | |
116 | static struct sam9_smc_config __initdata cpu9krea_nand_smc_config = { | |
117 | .ncs_read_setup = 0, | |
118 | .nrd_setup = 2, | |
119 | .ncs_write_setup = 0, | |
120 | .nwe_setup = 2, | |
121 | ||
122 | .ncs_read_pulse = 4, | |
123 | .nrd_pulse = 4, | |
124 | .ncs_write_pulse = 4, | |
125 | .nwe_pulse = 4, | |
126 | ||
127 | .read_cycle = 7, | |
128 | .write_cycle = 7, | |
129 | ||
130 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | |
131 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | |
132 | .tdf_cycles = 3, | |
133 | }; | |
134 | #endif | |
135 | ||
136 | static void __init cpu9krea_add_device_nand(void) | |
137 | { | |
faee0cc3 | 138 | sam9_smc_configure(0, 3, &cpu9krea_nand_smc_config); |
41a353d1 EB |
139 | at91_add_device_nand(&cpu9krea_nand_data); |
140 | } | |
141 | ||
142 | /* | |
143 | * NOR flash | |
144 | */ | |
145 | static struct physmap_flash_data cpuat9260_nor_data = { | |
146 | .width = 2, | |
147 | }; | |
148 | ||
149 | #define NOR_BASE AT91_CHIPSELECT_0 | |
150 | #define NOR_SIZE SZ_64M | |
151 | ||
152 | static struct resource nor_flash_resources[] = { | |
153 | { | |
154 | .start = NOR_BASE, | |
155 | .end = NOR_BASE + NOR_SIZE - 1, | |
156 | .flags = IORESOURCE_MEM, | |
157 | } | |
158 | }; | |
159 | ||
160 | static struct platform_device cpu9krea_nor_flash = { | |
161 | .name = "physmap-flash", | |
162 | .id = 0, | |
163 | .dev = { | |
164 | .platform_data = &cpuat9260_nor_data, | |
165 | }, | |
166 | .resource = nor_flash_resources, | |
167 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
168 | }; | |
169 | ||
170 | #ifdef CONFIG_MACH_CPU9260 | |
171 | static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = { | |
172 | .ncs_read_setup = 0, | |
173 | .nrd_setup = 1, | |
174 | .ncs_write_setup = 0, | |
175 | .nwe_setup = 1, | |
176 | ||
177 | .ncs_read_pulse = 10, | |
178 | .nrd_pulse = 10, | |
179 | .ncs_write_pulse = 6, | |
180 | .nwe_pulse = 6, | |
181 | ||
182 | .read_cycle = 12, | |
183 | .write_cycle = 8, | |
184 | ||
185 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | |
186 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | |
187 | | AT91_SMC_DBW_16, | |
188 | .tdf_cycles = 2, | |
189 | }; | |
190 | #else | |
191 | static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = { | |
192 | .ncs_read_setup = 0, | |
193 | .nrd_setup = 1, | |
194 | .ncs_write_setup = 0, | |
195 | .nwe_setup = 1, | |
196 | ||
197 | .ncs_read_pulse = 13, | |
198 | .nrd_pulse = 13, | |
199 | .ncs_write_pulse = 8, | |
200 | .nwe_pulse = 8, | |
201 | ||
202 | .read_cycle = 15, | |
203 | .write_cycle = 10, | |
204 | ||
205 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | |
206 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | |
207 | | AT91_SMC_DBW_16, | |
208 | .tdf_cycles = 2, | |
209 | }; | |
210 | #endif | |
211 | ||
212 | static __init void cpu9krea_add_device_nor(void) | |
213 | { | |
214 | unsigned long csa; | |
215 | ||
4342d647 JCPV |
216 | csa = at91_matrix_read(AT91_MATRIX_EBICSA); |
217 | at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_VDDIOMSEL_3_3V); | |
41a353d1 EB |
218 | |
219 | /* configure chip-select 0 (NOR) */ | |
faee0cc3 | 220 | sam9_smc_configure(0, 0, &cpu9krea_nor_smc_config); |
41a353d1 EB |
221 | |
222 | platform_device_register(&cpu9krea_nor_flash); | |
223 | } | |
224 | ||
225 | /* | |
226 | * LEDs | |
227 | */ | |
228 | static struct gpio_led cpu9krea_leds[] = { | |
229 | { /* LED1 */ | |
230 | .name = "LED1", | |
231 | .gpio = AT91_PIN_PC11, | |
232 | .active_low = 1, | |
233 | .default_trigger = "timer", | |
234 | }, | |
235 | { /* LED2 */ | |
236 | .name = "LED2", | |
237 | .gpio = AT91_PIN_PC12, | |
238 | .active_low = 1, | |
239 | .default_trigger = "heartbeat", | |
240 | }, | |
241 | { /* LED3 */ | |
242 | .name = "LED3", | |
243 | .gpio = AT91_PIN_PC7, | |
244 | .active_low = 1, | |
245 | .default_trigger = "none", | |
246 | }, | |
247 | { /* LED4 */ | |
248 | .name = "LED4", | |
249 | .gpio = AT91_PIN_PC9, | |
250 | .active_low = 1, | |
251 | .default_trigger = "none", | |
252 | } | |
253 | }; | |
254 | ||
255 | static struct i2c_board_info __initdata cpu9krea_i2c_devices[] = { | |
256 | { | |
c1cb59fd | 257 | I2C_BOARD_INFO("ds1339", 0x68), |
41a353d1 EB |
258 | }, |
259 | }; | |
260 | ||
261 | /* | |
262 | * GPIO Buttons | |
263 | */ | |
264 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
265 | static struct gpio_keys_button cpu9krea_buttons[] = { | |
266 | { | |
267 | .gpio = AT91_PIN_PC3, | |
268 | .code = BTN_0, | |
269 | .desc = "BP1", | |
270 | .active_low = 1, | |
271 | .wakeup = 1, | |
272 | }, | |
273 | { | |
274 | .gpio = AT91_PIN_PB20, | |
275 | .code = BTN_1, | |
276 | .desc = "BP2", | |
277 | .active_low = 1, | |
278 | .wakeup = 1, | |
279 | } | |
280 | }; | |
281 | ||
282 | static struct gpio_keys_platform_data cpu9krea_button_data = { | |
283 | .buttons = cpu9krea_buttons, | |
284 | .nbuttons = ARRAY_SIZE(cpu9krea_buttons), | |
285 | }; | |
286 | ||
287 | static struct platform_device cpu9krea_button_device = { | |
288 | .name = "gpio-keys", | |
289 | .id = -1, | |
290 | .num_resources = 0, | |
291 | .dev = { | |
292 | .platform_data = &cpu9krea_button_data, | |
293 | } | |
294 | }; | |
295 | ||
296 | static void __init cpu9krea_add_device_buttons(void) | |
297 | { | |
298 | at91_set_gpio_input(AT91_PIN_PC3, 1); /* BP1 */ | |
299 | at91_set_deglitch(AT91_PIN_PC3, 1); | |
300 | at91_set_gpio_input(AT91_PIN_PB20, 1); /* BP2 */ | |
301 | at91_set_deglitch(AT91_PIN_PB20, 1); | |
302 | ||
303 | platform_device_register(&cpu9krea_button_device); | |
304 | } | |
305 | #else | |
306 | static void __init cpu9krea_add_device_buttons(void) | |
307 | { | |
308 | } | |
309 | #endif | |
310 | ||
311 | /* | |
312 | * MCI (SD/MMC) | |
313 | */ | |
4cf3326a LD |
314 | static struct mci_platform_data __initdata cpu9krea_mci0_data = { |
315 | .slot[0] = { | |
316 | .bus_width = 4, | |
317 | .detect_pin = AT91_PIN_PA29, | |
318 | .wp_pin = -EINVAL, | |
319 | }, | |
41a353d1 EB |
320 | }; |
321 | ||
322 | static void __init cpu9krea_board_init(void) | |
323 | { | |
324 | /* NOR */ | |
325 | cpu9krea_add_device_nor(); | |
326 | /* Serial */ | |
71b149b3 JCPV |
327 | /* DGBU on ttyS0. (Rx & Tx only) */ |
328 | at91_register_uart(0, 0, 0); | |
329 | ||
330 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ | |
331 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | | |
332 | ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR | | |
333 | ATMEL_UART_DCD | ATMEL_UART_RI); | |
334 | ||
335 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ | |
336 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | | |
337 | ATMEL_UART_RTS); | |
338 | ||
339 | /* USART2 on ttyS3. (Rx, Tx, RTS, CTS) */ | |
340 | at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | | |
341 | ATMEL_UART_RTS); | |
342 | ||
343 | /* USART3 on ttyS4. (Rx, Tx) */ | |
344 | at91_register_uart(AT91SAM9260_ID_US3, 4, 0); | |
345 | ||
346 | /* USART4 on ttyS5. (Rx, Tx) */ | |
347 | at91_register_uart(AT91SAM9260_ID_US4, 5, 0); | |
348 | ||
349 | /* USART5 on ttyS6. (Rx, Tx) */ | |
350 | at91_register_uart(AT91SAM9260_ID_US5, 6, 0); | |
41a353d1 EB |
351 | at91_add_device_serial(); |
352 | /* USB Host */ | |
353 | at91_add_device_usbh(&cpu9krea_usbh_data); | |
354 | /* USB Device */ | |
355 | at91_add_device_udc(&cpu9krea_udc_data); | |
356 | /* NAND */ | |
357 | cpu9krea_add_device_nand(); | |
358 | /* Ethernet */ | |
359 | at91_add_device_eth(&cpu9krea_macb_data); | |
360 | /* MMC */ | |
4cf3326a | 361 | at91_add_device_mci(0, &cpu9krea_mci0_data); |
41a353d1 EB |
362 | /* I2C */ |
363 | at91_add_device_i2c(cpu9krea_i2c_devices, | |
364 | ARRAY_SIZE(cpu9krea_i2c_devices)); | |
365 | /* LEDs */ | |
366 | at91_gpio_leds(cpu9krea_leds, ARRAY_SIZE(cpu9krea_leds)); | |
367 | /* Push Buttons */ | |
368 | cpu9krea_add_device_buttons(); | |
369 | } | |
370 | ||
371 | #ifdef CONFIG_MACH_CPU9260 | |
372 | MACHINE_START(CPUAT9260, "Eukrea CPU9260") | |
373 | #else | |
374 | MACHINE_START(CPUAT9G20, "Eukrea CPU9G20") | |
375 | #endif | |
376 | /* Maintainer: Eric Benard - EUKREA Electromatique */ | |
6bb27d73 | 377 | .init_time = at91sam926x_pit_init, |
21d08b9d | 378 | .map_io = at91_map_io, |
3e135466 | 379 | .handle_irq = at91_aic_handle_irq, |
1b021a3b | 380 | .init_early = cpu9krea_init_early, |
92100c12 | 381 | .init_irq = at91_init_irq_default, |
41a353d1 EB |
382 | .init_machine = cpu9krea_board_init, |
383 | MACHINE_END |