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ffc63b7d AV |
1 | /* |
2 | * linux/arch/arm/mach-at91/board-neocore926.c | |
3 | * | |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2007 Atmel Corporation | |
6 | * Copyright (C) 2008 ADENEO. | |
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> | |
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/ads7846.h> | |
30 | #include <linux/fb.h> | |
31 | #include <linux/gpio_keys.h> | |
32 | #include <linux/input.h> | |
33 | ||
34 | #include <video/atmel_lcdc.h> | |
35 | ||
36 | #include <asm/setup.h> | |
37 | #include <asm/mach-types.h> | |
38 | #include <asm/irq.h> | |
39 | #include <asm/sizes.h> | |
40 | ||
41 | #include <asm/mach/arch.h> | |
42 | #include <asm/mach/map.h> | |
43 | #include <asm/mach/irq.h> | |
44 | ||
45 | #include <mach/hardware.h> | |
46 | #include <mach/board.h> | |
47 | #include <mach/gpio.h> | |
48 | #include <mach/at91sam9_smc.h> | |
49 | ||
50 | #include "sam9_smc.h" | |
51 | #include "generic.h" | |
52 | ||
53 | ||
1b021a3b | 54 | static void __init neocore926_init_early(void) |
ffc63b7d AV |
55 | { |
56 | /* Initialize processor: 20 MHz crystal */ | |
21d08b9d | 57 | at91_initialize(20000000); |
ffc63b7d | 58 | |
4f37940d | 59 | /* DBGU on ttyS0. (Rx & Tx only) */ |
ffc63b7d AV |
60 | at91_register_uart(0, 0, 0); |
61 | ||
62 | /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */ | |
63 | at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); | |
64 | ||
65 | /* set serial console to ttyS0 (ie, DBGU) */ | |
66 | at91_set_serial_console(0); | |
67 | } | |
68 | ||
ffc63b7d AV |
69 | /* |
70 | * USB Host port | |
71 | */ | |
72 | static struct at91_usbh_data __initdata neocore926_usbh_data = { | |
73 | .ports = 2, | |
74 | .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 }, | |
75 | }; | |
76 | ||
77 | /* | |
78 | * USB Device port | |
79 | */ | |
80 | static struct at91_udc_data __initdata neocore926_udc_data = { | |
81 | .vbus_pin = AT91_PIN_PA25, | |
82 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
83 | }; | |
84 | ||
85 | ||
86 | /* | |
87 | * ADS7846 Touchscreen | |
88 | */ | |
89 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | |
90 | static int ads7843_pendown_state(void) | |
91 | { | |
92 | return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */ | |
93 | } | |
94 | ||
95 | static struct ads7846_platform_data ads_info = { | |
96 | .model = 7843, | |
97 | .x_min = 150, | |
98 | .x_max = 3830, | |
99 | .y_min = 190, | |
100 | .y_max = 3830, | |
101 | .vref_delay_usecs = 100, | |
102 | .x_plate_ohms = 450, | |
103 | .y_plate_ohms = 250, | |
104 | .pressure_max = 15000, | |
105 | .debounce_max = 1, | |
106 | .debounce_rep = 0, | |
107 | .debounce_tol = (~0), | |
108 | .get_pendown_state = ads7843_pendown_state, | |
109 | }; | |
110 | ||
111 | static void __init neocore926_add_device_ts(void) | |
112 | { | |
113 | at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */ | |
114 | at91_set_gpio_input(AT91_PIN_PC13, 1); /* Touchscreen BUSY signal */ | |
115 | } | |
116 | #else | |
117 | static void __init neocore926_add_device_ts(void) {} | |
118 | #endif | |
119 | ||
120 | /* | |
121 | * SPI devices. | |
122 | */ | |
123 | static struct spi_board_info neocore926_spi_devices[] = { | |
124 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | |
125 | { /* DataFlash card */ | |
126 | .modalias = "mtd_dataflash", | |
127 | .chip_select = 0, | |
128 | .max_speed_hz = 15 * 1000 * 1000, | |
129 | .bus_num = 0, | |
130 | }, | |
131 | #endif | |
132 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | |
133 | { | |
134 | .modalias = "ads7846", | |
135 | .chip_select = 1, | |
136 | .max_speed_hz = 125000 * 16, | |
137 | .bus_num = 0, | |
138 | .platform_data = &ads_info, | |
139 | .irq = AT91SAM9263_ID_IRQ1, | |
140 | }, | |
141 | #endif | |
142 | }; | |
143 | ||
144 | ||
145 | /* | |
146 | * MCI (SD/MMC) | |
147 | */ | |
148 | static struct at91_mmc_data __initdata neocore926_mmc_data = { | |
149 | .wire4 = 1, | |
150 | .det_pin = AT91_PIN_PE18, | |
151 | .wp_pin = AT91_PIN_PE19, | |
152 | }; | |
153 | ||
154 | ||
155 | /* | |
156 | * MACB Ethernet device | |
157 | */ | |
158 | static struct at91_eth_data __initdata neocore926_macb_data = { | |
159 | .phy_irq_pin = AT91_PIN_PE31, | |
160 | .is_rmii = 1, | |
161 | }; | |
162 | ||
163 | ||
164 | /* | |
165 | * NAND flash | |
166 | */ | |
167 | static struct mtd_partition __initdata neocore926_nand_partition[] = { | |
168 | { | |
169 | .name = "Linux Kernel", /* "Partition 1", */ | |
170 | .offset = 0, | |
171 | .size = SZ_8M, | |
172 | }, | |
173 | { | |
174 | .name = "Filesystem", /* "Partition 2", */ | |
175 | .offset = MTDPART_OFS_NXTBLK, | |
176 | .size = SZ_32M, | |
177 | }, | |
178 | { | |
179 | .name = "Free", /* "Partition 3", */ | |
180 | .offset = MTDPART_OFS_NXTBLK, | |
181 | .size = MTDPART_SIZ_FULL, | |
182 | }, | |
183 | }; | |
184 | ||
ffc63b7d AV |
185 | static struct atmel_nand_data __initdata neocore926_nand_data = { |
186 | .ale = 21, | |
187 | .cle = 22, | |
188 | .rdy_pin = AT91_PIN_PB19, | |
189 | .rdy_pin_active_low = 1, | |
190 | .enable_pin = AT91_PIN_PD15, | |
1754aab9 DES |
191 | .parts = neocore926_nand_partition, |
192 | .num_parts = ARRAY_SIZE(neocore926_nand_partition), | |
ffc63b7d AV |
193 | }; |
194 | ||
195 | static struct sam9_smc_config __initdata neocore926_nand_smc_config = { | |
196 | .ncs_read_setup = 0, | |
197 | .nrd_setup = 1, | |
198 | .ncs_write_setup = 0, | |
199 | .nwe_setup = 1, | |
200 | ||
201 | .ncs_read_pulse = 4, | |
202 | .nrd_pulse = 4, | |
203 | .ncs_write_pulse = 4, | |
204 | .nwe_pulse = 4, | |
205 | ||
206 | .read_cycle = 6, | |
207 | .write_cycle = 6, | |
208 | ||
209 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | |
210 | .tdf_cycles = 2, | |
211 | }; | |
212 | ||
213 | static void __init neocore926_add_device_nand(void) | |
214 | { | |
215 | /* configure chip-select 3 (NAND) */ | |
216 | sam9_smc_configure(3, &neocore926_nand_smc_config); | |
217 | ||
218 | at91_add_device_nand(&neocore926_nand_data); | |
219 | } | |
220 | ||
221 | ||
222 | /* | |
223 | * LCD Controller | |
224 | */ | |
225 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
226 | static struct fb_videomode at91_tft_vga_modes[] = { | |
227 | { | |
228 | .name = "TX09D50VM1CCA @ 60", | |
229 | .refresh = 60, | |
230 | .xres = 240, .yres = 320, | |
231 | .pixclock = KHZ2PICOS(5000), | |
232 | ||
233 | .left_margin = 1, .right_margin = 33, | |
234 | .upper_margin = 1, .lower_margin = 0, | |
235 | .hsync_len = 5, .vsync_len = 1, | |
236 | ||
237 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
238 | .vmode = FB_VMODE_NONINTERLACED, | |
239 | }, | |
240 | }; | |
241 | ||
242 | static struct fb_monspecs at91fb_default_monspecs = { | |
243 | .manufacturer = "HIT", | |
244 | .monitor = "TX09D70VM1CCA", | |
245 | ||
246 | .modedb = at91_tft_vga_modes, | |
247 | .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), | |
248 | .hfmin = 15000, | |
249 | .hfmax = 64000, | |
250 | .vfmin = 50, | |
251 | .vfmax = 150, | |
252 | }; | |
253 | ||
254 | #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | |
255 | | ATMEL_LCDC_DISTYPE_TFT \ | |
256 | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) | |
257 | ||
258 | static void at91_lcdc_power_control(int on) | |
259 | { | |
260 | at91_set_gpio_value(AT91_PIN_PA30, on); | |
261 | } | |
262 | ||
263 | /* Driver datas */ | |
264 | static struct atmel_lcdfb_info __initdata neocore926_lcdc_data = { | |
265 | .lcdcon_is_backlight = true, | |
266 | .default_bpp = 16, | |
267 | .default_dmacon = ATMEL_LCDC_DMAEN, | |
268 | .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2, | |
269 | .default_monspecs = &at91fb_default_monspecs, | |
270 | .atmel_lcdfb_power_control = at91_lcdc_power_control, | |
271 | .guard_time = 1, | |
272 | .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB555, | |
273 | }; | |
274 | ||
275 | #else | |
276 | static struct atmel_lcdfb_info __initdata neocore926_lcdc_data; | |
277 | #endif | |
278 | ||
279 | ||
280 | /* | |
281 | * GPIO Buttons | |
282 | */ | |
283 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
284 | static struct gpio_keys_button neocore926_buttons[] = { | |
285 | { /* BP1, "leftclic" */ | |
286 | .code = BTN_LEFT, | |
287 | .gpio = AT91_PIN_PC5, | |
288 | .active_low = 1, | |
289 | .desc = "left_click", | |
290 | .wakeup = 1, | |
291 | }, | |
292 | { /* BP2, "rightclic" */ | |
293 | .code = BTN_RIGHT, | |
294 | .gpio = AT91_PIN_PC4, | |
295 | .active_low = 1, | |
296 | .desc = "right_click", | |
297 | .wakeup = 1, | |
298 | }, | |
299 | }; | |
300 | ||
301 | static struct gpio_keys_platform_data neocore926_button_data = { | |
302 | .buttons = neocore926_buttons, | |
303 | .nbuttons = ARRAY_SIZE(neocore926_buttons), | |
304 | }; | |
305 | ||
306 | static struct platform_device neocore926_button_device = { | |
307 | .name = "gpio-keys", | |
308 | .id = -1, | |
309 | .num_resources = 0, | |
310 | .dev = { | |
311 | .platform_data = &neocore926_button_data, | |
312 | } | |
313 | }; | |
314 | ||
315 | static void __init neocore926_add_device_buttons(void) | |
316 | { | |
317 | at91_set_GPIO_periph(AT91_PIN_PC5, 0); /* left button */ | |
318 | at91_set_deglitch(AT91_PIN_PC5, 1); | |
319 | at91_set_GPIO_periph(AT91_PIN_PC4, 0); /* right button */ | |
320 | at91_set_deglitch(AT91_PIN_PC4, 1); | |
321 | ||
322 | platform_device_register(&neocore926_button_device); | |
323 | } | |
324 | #else | |
325 | static void __init neocore926_add_device_buttons(void) {} | |
326 | #endif | |
327 | ||
328 | ||
329 | /* | |
330 | * AC97 | |
331 | */ | |
9173a8ef | 332 | static struct ac97c_platform_data neocore926_ac97_data = { |
ffc63b7d AV |
333 | .reset_pin = AT91_PIN_PA13, |
334 | }; | |
335 | ||
336 | ||
337 | static void __init neocore926_board_init(void) | |
338 | { | |
339 | /* Serial */ | |
340 | at91_add_device_serial(); | |
341 | ||
342 | /* USB Host */ | |
343 | at91_add_device_usbh(&neocore926_usbh_data); | |
344 | ||
345 | /* USB Device */ | |
346 | at91_add_device_udc(&neocore926_udc_data); | |
347 | ||
348 | /* SPI */ | |
349 | at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */ | |
350 | at91_add_device_spi(neocore926_spi_devices, ARRAY_SIZE(neocore926_spi_devices)); | |
351 | ||
352 | /* Touchscreen */ | |
353 | neocore926_add_device_ts(); | |
354 | ||
355 | /* MMC */ | |
356 | at91_add_device_mmc(1, &neocore926_mmc_data); | |
357 | ||
358 | /* Ethernet */ | |
359 | at91_add_device_eth(&neocore926_macb_data); | |
360 | ||
361 | /* NAND */ | |
362 | neocore926_add_device_nand(); | |
363 | ||
364 | /* I2C */ | |
365 | at91_add_device_i2c(NULL, 0); | |
366 | ||
367 | /* LCD Controller */ | |
368 | at91_add_device_lcdc(&neocore926_lcdc_data); | |
369 | ||
370 | /* Push Buttons */ | |
371 | neocore926_add_device_buttons(); | |
372 | ||
373 | /* AC97 */ | |
374 | at91_add_device_ac97(&neocore926_ac97_data); | |
375 | } | |
376 | ||
377 | MACHINE_START(NEOCORE926, "ADENEO NEOCORE 926") | |
378 | /* Maintainer: ADENEO */ | |
ffc63b7d | 379 | .timer = &at91sam926x_timer, |
21d08b9d | 380 | .map_io = at91_map_io, |
1b021a3b | 381 | .init_early = neocore926_init_early, |
92100c12 | 382 | .init_irq = at91_init_irq_default, |
ffc63b7d AV |
383 | .init_machine = neocore926_board_init, |
384 | MACHINE_END |