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86640cae AV |
1 | /* |
2 | * linux/arch/arm/mach-at91/board-cap9adk.c | |
3 | * | |
4 | * Copyright (C) 2007 Stelian Pop <stelian.pop@leadtechdesign.com> | |
5 | * Copyright (C) 2007 Lead Tech Design <www.leadtechdesign.com> | |
6 | * Copyright (C) 2005 SAN People | |
7 | * Copyright (C) 2007 Atmel Corporation. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <linux/types.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/mm.h> | |
27 | #include <linux/module.h> | |
28 | #include <linux/platform_device.h> | |
29 | #include <linux/spi/spi.h> | |
30 | #include <linux/spi/ads7846.h> | |
31 | #include <linux/fb.h> | |
32 | #include <linux/mtd/physmap.h> | |
33 | ||
34 | #include <video/atmel_lcdc.h> | |
35 | ||
a09e64fb | 36 | #include <mach/hardware.h> |
86640cae AV |
37 | #include <asm/setup.h> |
38 | #include <asm/mach-types.h> | |
86640cae AV |
39 | |
40 | #include <asm/mach/arch.h> | |
41 | #include <asm/mach/map.h> | |
86640cae | 42 | |
a09e64fb RK |
43 | #include <mach/board.h> |
44 | #include <mach/gpio.h> | |
45 | #include <mach/at91cap9_matrix.h> | |
46 | #include <mach/at91sam9_smc.h> | |
86640cae | 47 | |
8cdae51a | 48 | #include "sam9_smc.h" |
86640cae AV |
49 | #include "generic.h" |
50 | ||
51 | ||
52 | static void __init cap9adk_map_io(void) | |
53 | { | |
54 | /* Initialize processor: 12 MHz crystal */ | |
55 | at91cap9_initialize(12000000); | |
56 | ||
57 | /* Setup the LEDs: USER1 and USER2 LED for cpu/timer... */ | |
58 | at91_init_leds(AT91_PIN_PA10, AT91_PIN_PA11); | |
59 | /* ... POWER LED always on */ | |
60 | at91_set_gpio_output(AT91_PIN_PC29, 1); | |
61 | ||
62 | /* Setup the serial ports and console */ | |
63 | at91_register_uart(0, 0, 0); /* DBGU = ttyS0 */ | |
64 | at91_set_serial_console(0); | |
65 | } | |
66 | ||
67 | static void __init cap9adk_init_irq(void) | |
68 | { | |
69 | at91cap9_init_interrupts(NULL); | |
70 | } | |
71 | ||
72 | ||
73 | /* | |
74 | * USB Host port | |
75 | */ | |
76 | static struct at91_usbh_data __initdata cap9adk_usbh_data = { | |
77 | .ports = 2, | |
78 | }; | |
79 | ||
7c8cf665 SP |
80 | /* |
81 | * USB HS Device port | |
82 | */ | |
83 | static struct usba_platform_data __initdata cap9adk_usba_udc_data = { | |
84 | .vbus_pin = AT91_PIN_PB31, | |
85 | }; | |
86640cae AV |
86 | |
87 | /* | |
88 | * ADS7846 Touchscreen | |
89 | */ | |
90 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | |
91 | static int ads7843_pendown_state(void) | |
92 | { | |
93 | return !at91_get_gpio_value(AT91_PIN_PC4); /* Touchscreen PENIRQ */ | |
94 | } | |
95 | ||
96 | static struct ads7846_platform_data ads_info = { | |
97 | .model = 7843, | |
98 | .x_min = 150, | |
99 | .x_max = 3830, | |
100 | .y_min = 190, | |
101 | .y_max = 3830, | |
102 | .vref_delay_usecs = 100, | |
103 | .x_plate_ohms = 450, | |
104 | .y_plate_ohms = 250, | |
105 | .pressure_max = 15000, | |
106 | .debounce_max = 1, | |
107 | .debounce_rep = 0, | |
108 | .debounce_tol = (~0), | |
109 | .get_pendown_state = ads7843_pendown_state, | |
110 | }; | |
111 | ||
112 | static void __init cap9adk_add_device_ts(void) | |
113 | { | |
114 | at91_set_gpio_input(AT91_PIN_PC4, 1); /* Touchscreen PENIRQ */ | |
115 | at91_set_gpio_input(AT91_PIN_PC5, 1); /* Touchscreen BUSY */ | |
116 | } | |
117 | #else | |
118 | static void __init cap9adk_add_device_ts(void) {} | |
119 | #endif | |
120 | ||
121 | ||
122 | /* | |
123 | * SPI devices. | |
124 | */ | |
125 | static struct spi_board_info cap9adk_spi_devices[] = { | |
126 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | |
127 | { /* DataFlash card */ | |
128 | .modalias = "mtd_dataflash", | |
129 | .chip_select = 0, | |
130 | .max_speed_hz = 15 * 1000 * 1000, | |
131 | .bus_num = 0, | |
132 | }, | |
133 | #endif | |
134 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | |
135 | { | |
136 | .modalias = "ads7846", | |
137 | .chip_select = 3, /* can be 2 or 3, depending on J2 jumper */ | |
138 | .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */ | |
139 | .bus_num = 0, | |
140 | .platform_data = &ads_info, | |
141 | .irq = AT91_PIN_PC4, | |
142 | }, | |
143 | #endif | |
144 | }; | |
145 | ||
146 | ||
147 | /* | |
148 | * MCI (SD/MMC) | |
149 | */ | |
150 | static struct at91_mmc_data __initdata cap9adk_mmc_data = { | |
151 | .wire4 = 1, | |
152 | // .det_pin = ... not connected | |
153 | // .wp_pin = ... not connected | |
154 | // .vcc_pin = ... not connected | |
155 | }; | |
156 | ||
157 | ||
158 | /* | |
159 | * MACB Ethernet device | |
160 | */ | |
161 | static struct at91_eth_data __initdata cap9adk_macb_data = { | |
162 | .is_rmii = 1, | |
163 | }; | |
164 | ||
165 | ||
166 | /* | |
167 | * NAND flash | |
168 | */ | |
169 | static struct mtd_partition __initdata cap9adk_nand_partitions[] = { | |
170 | { | |
171 | .name = "NAND partition", | |
172 | .offset = 0, | |
173 | .size = MTDPART_SIZ_FULL, | |
174 | }, | |
175 | }; | |
176 | ||
177 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | |
178 | { | |
179 | *num_partitions = ARRAY_SIZE(cap9adk_nand_partitions); | |
180 | return cap9adk_nand_partitions; | |
181 | } | |
182 | ||
3c3796cc | 183 | static struct atmel_nand_data __initdata cap9adk_nand_data = { |
86640cae AV |
184 | .ale = 21, |
185 | .cle = 22, | |
186 | // .det_pin = ... not connected | |
187 | // .rdy_pin = ... not connected | |
188 | .enable_pin = AT91_PIN_PD15, | |
189 | .partition_info = nand_partitions, | |
f6ed6f78 | 190 | #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) |
86640cae AV |
191 | .bus_width_16 = 1, |
192 | #else | |
193 | .bus_width_16 = 0, | |
194 | #endif | |
195 | }; | |
196 | ||
8cdae51a AV |
197 | static struct sam9_smc_config __initdata cap9adk_nand_smc_config = { |
198 | .ncs_read_setup = 1, | |
199 | .nrd_setup = 2, | |
200 | .ncs_write_setup = 1, | |
201 | .nwe_setup = 2, | |
202 | ||
203 | .ncs_read_pulse = 6, | |
204 | .nrd_pulse = 4, | |
205 | .ncs_write_pulse = 6, | |
206 | .nwe_pulse = 4, | |
207 | ||
208 | .read_cycle = 8, | |
209 | .write_cycle = 8, | |
210 | ||
211 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, | |
212 | .tdf_cycles = 1, | |
213 | }; | |
214 | ||
215 | static void __init cap9adk_add_device_nand(void) | |
216 | { | |
217 | unsigned long csa; | |
218 | ||
219 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
220 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); | |
221 | ||
222 | /* setup bus-width (8 or 16) */ | |
223 | if (cap9adk_nand_data.bus_width_16) | |
224 | cap9adk_nand_smc_config.mode |= AT91_SMC_DBW_16; | |
225 | else | |
226 | cap9adk_nand_smc_config.mode |= AT91_SMC_DBW_8; | |
227 | ||
228 | /* configure chip-select 3 (NAND) */ | |
229 | sam9_smc_configure(3, &cap9adk_nand_smc_config); | |
230 | ||
231 | at91_add_device_nand(&cap9adk_nand_data); | |
232 | } | |
233 | ||
86640cae AV |
234 | |
235 | /* | |
236 | * NOR flash | |
237 | */ | |
238 | static struct mtd_partition cap9adk_nor_partitions[] = { | |
239 | { | |
240 | .name = "NOR partition", | |
241 | .offset = 0, | |
242 | .size = MTDPART_SIZ_FULL, | |
243 | }, | |
244 | }; | |
245 | ||
246 | static struct physmap_flash_data cap9adk_nor_data = { | |
247 | .width = 2, | |
248 | .parts = cap9adk_nor_partitions, | |
249 | .nr_parts = ARRAY_SIZE(cap9adk_nor_partitions), | |
250 | }; | |
251 | ||
252 | #define NOR_BASE AT91_CHIPSELECT_0 | |
e505240b | 253 | #define NOR_SIZE SZ_8M |
86640cae AV |
254 | |
255 | static struct resource nor_flash_resources[] = { | |
256 | { | |
257 | .start = NOR_BASE, | |
258 | .end = NOR_BASE + NOR_SIZE - 1, | |
259 | .flags = IORESOURCE_MEM, | |
260 | } | |
261 | }; | |
262 | ||
263 | static struct platform_device cap9adk_nor_flash = { | |
264 | .name = "physmap-flash", | |
265 | .id = 0, | |
266 | .dev = { | |
267 | .platform_data = &cap9adk_nor_data, | |
268 | }, | |
269 | .resource = nor_flash_resources, | |
270 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
271 | }; | |
272 | ||
8cdae51a AV |
273 | static struct sam9_smc_config __initdata cap9adk_nor_smc_config = { |
274 | .ncs_read_setup = 2, | |
275 | .nrd_setup = 4, | |
276 | .ncs_write_setup = 2, | |
277 | .nwe_setup = 4, | |
278 | ||
279 | .ncs_read_pulse = 10, | |
280 | .nrd_pulse = 8, | |
281 | .ncs_write_pulse = 10, | |
282 | .nwe_pulse = 8, | |
283 | ||
284 | .read_cycle = 16, | |
285 | .write_cycle = 16, | |
286 | ||
287 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16, | |
288 | .tdf_cycles = 1, | |
289 | }; | |
290 | ||
86640cae AV |
291 | static __init void cap9adk_add_device_nor(void) |
292 | { | |
293 | unsigned long csa; | |
294 | ||
295 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
296 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); | |
297 | ||
8cdae51a AV |
298 | /* configure chip-select 0 (NOR) */ |
299 | sam9_smc_configure(0, &cap9adk_nor_smc_config); | |
86640cae AV |
300 | |
301 | platform_device_register(&cap9adk_nor_flash); | |
302 | } | |
303 | ||
304 | ||
305 | /* | |
306 | * LCD Controller | |
307 | */ | |
308 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
309 | static struct fb_videomode at91_tft_vga_modes[] = { | |
310 | { | |
311 | .name = "TX09D50VM1CCA @ 60", | |
312 | .refresh = 60, | |
313 | .xres = 240, .yres = 320, | |
314 | .pixclock = KHZ2PICOS(4965), | |
315 | ||
316 | .left_margin = 1, .right_margin = 33, | |
317 | .upper_margin = 1, .lower_margin = 0, | |
318 | .hsync_len = 5, .vsync_len = 1, | |
319 | ||
320 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
321 | .vmode = FB_VMODE_NONINTERLACED, | |
322 | }, | |
323 | }; | |
324 | ||
325 | static struct fb_monspecs at91fb_default_monspecs = { | |
326 | .manufacturer = "HIT", | |
327 | .monitor = "TX09D70VM1CCA", | |
328 | ||
329 | .modedb = at91_tft_vga_modes, | |
330 | .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), | |
331 | .hfmin = 15000, | |
332 | .hfmax = 64000, | |
333 | .vfmin = 50, | |
334 | .vfmax = 150, | |
335 | }; | |
336 | ||
337 | #define AT91CAP9_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | |
338 | | ATMEL_LCDC_DISTYPE_TFT \ | |
339 | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) | |
340 | ||
341 | static void at91_lcdc_power_control(int on) | |
342 | { | |
343 | if (on) | |
344 | at91_set_gpio_value(AT91_PIN_PC0, 0); /* power up */ | |
345 | else | |
346 | at91_set_gpio_value(AT91_PIN_PC0, 1); /* power down */ | |
347 | } | |
348 | ||
349 | /* Driver datas */ | |
350 | static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data = { | |
351 | .default_bpp = 16, | |
352 | .default_dmacon = ATMEL_LCDC_DMAEN, | |
353 | .default_lcdcon2 = AT91CAP9_DEFAULT_LCDCON2, | |
354 | .default_monspecs = &at91fb_default_monspecs, | |
355 | .atmel_lcdfb_power_control = at91_lcdc_power_control, | |
356 | .guard_time = 1, | |
357 | }; | |
358 | ||
359 | #else | |
360 | static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data; | |
361 | #endif | |
362 | ||
363 | ||
364 | /* | |
365 | * AC97 | |
366 | */ | |
367 | static struct atmel_ac97_data cap9adk_ac97_data = { | |
368 | // .reset_pin = ... not connected | |
369 | }; | |
370 | ||
371 | ||
372 | static void __init cap9adk_board_init(void) | |
373 | { | |
374 | /* Serial */ | |
375 | at91_add_device_serial(); | |
376 | /* USB Host */ | |
86640cae | 377 | at91_add_device_usbh(&cap9adk_usbh_data); |
7c8cf665 | 378 | /* USB HS */ |
7c8cf665 | 379 | at91_add_device_usba(&cap9adk_usba_udc_data); |
86640cae AV |
380 | /* SPI */ |
381 | at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices)); | |
382 | /* Touchscreen */ | |
383 | cap9adk_add_device_ts(); | |
384 | /* MMC */ | |
385 | at91_add_device_mmc(1, &cap9adk_mmc_data); | |
386 | /* Ethernet */ | |
387 | at91_add_device_eth(&cap9adk_macb_data); | |
388 | /* NAND */ | |
8cdae51a | 389 | cap9adk_add_device_nand(); |
86640cae AV |
390 | /* NOR Flash */ |
391 | cap9adk_add_device_nor(); | |
392 | /* I2C */ | |
393 | at91_add_device_i2c(NULL, 0); | |
394 | /* LCD Controller */ | |
86640cae AV |
395 | at91_add_device_lcdc(&cap9adk_lcdc_data); |
396 | /* AC97 */ | |
397 | at91_add_device_ac97(&cap9adk_ac97_data); | |
398 | } | |
399 | ||
400 | MACHINE_START(AT91CAP9ADK, "Atmel AT91CAP9A-DK") | |
401 | /* Maintainer: Stelian Pop <stelian.pop@leadtechdesign.com> */ | |
402 | .phys_io = AT91_BASE_SYS, | |
403 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
404 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
405 | .timer = &at91sam926x_timer, | |
406 | .map_io = cap9adk_map_io, | |
407 | .init_irq = cap9adk_init_irq, | |
408 | .init_machine = cap9adk_board_init, | |
409 | MACHINE_END |