diff options
Diffstat (limited to 'arch/arm/mach-at91/board-cap9adk.c')
-rw-r--r-- | arch/arm/mach-at91/board-cap9adk.c | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c new file mode 100644 index 000000000000..185437131541 --- /dev/null +++ b/arch/arm/mach-at91/board-cap9adk.c | |||
@@ -0,0 +1,359 @@ | |||
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 | |||
36 | #include <asm/hardware.h> | ||
37 | #include <asm/setup.h> | ||
38 | #include <asm/mach-types.h> | ||
39 | #include <asm/irq.h> | ||
40 | |||
41 | #include <asm/mach/arch.h> | ||
42 | #include <asm/mach/map.h> | ||
43 | #include <asm/mach/irq.h> | ||
44 | |||
45 | #include <asm/arch/board.h> | ||
46 | #include <asm/arch/gpio.h> | ||
47 | #include <asm/arch/at91cap9_matrix.h> | ||
48 | #include <asm/arch/at91sam926x_mc.h> | ||
49 | |||
50 | #include "generic.h" | ||
51 | |||
52 | |||
53 | static void __init cap9adk_map_io(void) | ||
54 | { | ||
55 | /* Initialize processor: 12 MHz crystal */ | ||
56 | at91cap9_initialize(12000000); | ||
57 | |||
58 | /* Setup the LEDs: USER1 and USER2 LED for cpu/timer... */ | ||
59 | at91_init_leds(AT91_PIN_PA10, AT91_PIN_PA11); | ||
60 | /* ... POWER LED always on */ | ||
61 | at91_set_gpio_output(AT91_PIN_PC29, 1); | ||
62 | |||
63 | /* Setup the serial ports and console */ | ||
64 | at91_register_uart(0, 0, 0); /* DBGU = ttyS0 */ | ||
65 | at91_set_serial_console(0); | ||
66 | } | ||
67 | |||
68 | static void __init cap9adk_init_irq(void) | ||
69 | { | ||
70 | at91cap9_init_interrupts(NULL); | ||
71 | } | ||
72 | |||
73 | |||
74 | /* | ||
75 | * USB Host port | ||
76 | */ | ||
77 | static struct at91_usbh_data __initdata cap9adk_usbh_data = { | ||
78 | .ports = 2, | ||
79 | }; | ||
80 | |||
81 | |||
82 | /* | ||
83 | * ADS7846 Touchscreen | ||
84 | */ | ||
85 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | ||
86 | static int ads7843_pendown_state(void) | ||
87 | { | ||
88 | return !at91_get_gpio_value(AT91_PIN_PC4); /* Touchscreen PENIRQ */ | ||
89 | } | ||
90 | |||
91 | static struct ads7846_platform_data ads_info = { | ||
92 | .model = 7843, | ||
93 | .x_min = 150, | ||
94 | .x_max = 3830, | ||
95 | .y_min = 190, | ||
96 | .y_max = 3830, | ||
97 | .vref_delay_usecs = 100, | ||
98 | .x_plate_ohms = 450, | ||
99 | .y_plate_ohms = 250, | ||
100 | .pressure_max = 15000, | ||
101 | .debounce_max = 1, | ||
102 | .debounce_rep = 0, | ||
103 | .debounce_tol = (~0), | ||
104 | .get_pendown_state = ads7843_pendown_state, | ||
105 | }; | ||
106 | |||
107 | static void __init cap9adk_add_device_ts(void) | ||
108 | { | ||
109 | at91_set_gpio_input(AT91_PIN_PC4, 1); /* Touchscreen PENIRQ */ | ||
110 | at91_set_gpio_input(AT91_PIN_PC5, 1); /* Touchscreen BUSY */ | ||
111 | } | ||
112 | #else | ||
113 | static void __init cap9adk_add_device_ts(void) {} | ||
114 | #endif | ||
115 | |||
116 | |||
117 | /* | ||
118 | * SPI devices. | ||
119 | */ | ||
120 | static struct spi_board_info cap9adk_spi_devices[] = { | ||
121 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | ||
122 | { /* DataFlash card */ | ||
123 | .modalias = "mtd_dataflash", | ||
124 | .chip_select = 0, | ||
125 | .max_speed_hz = 15 * 1000 * 1000, | ||
126 | .bus_num = 0, | ||
127 | }, | ||
128 | #endif | ||
129 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | ||
130 | { | ||
131 | .modalias = "ads7846", | ||
132 | .chip_select = 3, /* can be 2 or 3, depending on J2 jumper */ | ||
133 | .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */ | ||
134 | .bus_num = 0, | ||
135 | .platform_data = &ads_info, | ||
136 | .irq = AT91_PIN_PC4, | ||
137 | }, | ||
138 | #endif | ||
139 | }; | ||
140 | |||
141 | |||
142 | /* | ||
143 | * MCI (SD/MMC) | ||
144 | */ | ||
145 | static struct at91_mmc_data __initdata cap9adk_mmc_data = { | ||
146 | .wire4 = 1, | ||
147 | // .det_pin = ... not connected | ||
148 | // .wp_pin = ... not connected | ||
149 | // .vcc_pin = ... not connected | ||
150 | }; | ||
151 | |||
152 | |||
153 | /* | ||
154 | * MACB Ethernet device | ||
155 | */ | ||
156 | static struct at91_eth_data __initdata cap9adk_macb_data = { | ||
157 | .is_rmii = 1, | ||
158 | }; | ||
159 | |||
160 | |||
161 | /* | ||
162 | * NAND flash | ||
163 | */ | ||
164 | static struct mtd_partition __initdata cap9adk_nand_partitions[] = { | ||
165 | { | ||
166 | .name = "NAND partition", | ||
167 | .offset = 0, | ||
168 | .size = MTDPART_SIZ_FULL, | ||
169 | }, | ||
170 | }; | ||
171 | |||
172 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | ||
173 | { | ||
174 | *num_partitions = ARRAY_SIZE(cap9adk_nand_partitions); | ||
175 | return cap9adk_nand_partitions; | ||
176 | } | ||
177 | |||
178 | static struct at91_nand_data __initdata cap9adk_nand_data = { | ||
179 | .ale = 21, | ||
180 | .cle = 22, | ||
181 | // .det_pin = ... not connected | ||
182 | // .rdy_pin = ... not connected | ||
183 | .enable_pin = AT91_PIN_PD15, | ||
184 | .partition_info = nand_partitions, | ||
185 | #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) | ||
186 | .bus_width_16 = 1, | ||
187 | #else | ||
188 | .bus_width_16 = 0, | ||
189 | #endif | ||
190 | }; | ||
191 | |||
192 | |||
193 | /* | ||
194 | * NOR flash | ||
195 | */ | ||
196 | static struct mtd_partition cap9adk_nor_partitions[] = { | ||
197 | { | ||
198 | .name = "NOR partition", | ||
199 | .offset = 0, | ||
200 | .size = MTDPART_SIZ_FULL, | ||
201 | }, | ||
202 | }; | ||
203 | |||
204 | static struct physmap_flash_data cap9adk_nor_data = { | ||
205 | .width = 2, | ||
206 | .parts = cap9adk_nor_partitions, | ||
207 | .nr_parts = ARRAY_SIZE(cap9adk_nor_partitions), | ||
208 | }; | ||
209 | |||
210 | #define NOR_BASE AT91_CHIPSELECT_0 | ||
211 | #define NOR_SIZE 0x800000 | ||
212 | |||
213 | static struct resource nor_flash_resources[] = { | ||
214 | { | ||
215 | .start = NOR_BASE, | ||
216 | .end = NOR_BASE + NOR_SIZE - 1, | ||
217 | .flags = IORESOURCE_MEM, | ||
218 | } | ||
219 | }; | ||
220 | |||
221 | static struct platform_device cap9adk_nor_flash = { | ||
222 | .name = "physmap-flash", | ||
223 | .id = 0, | ||
224 | .dev = { | ||
225 | .platform_data = &cap9adk_nor_data, | ||
226 | }, | ||
227 | .resource = nor_flash_resources, | ||
228 | .num_resources = ARRAY_SIZE(nor_flash_resources), | ||
229 | }; | ||
230 | |||
231 | static __init void cap9adk_add_device_nor(void) | ||
232 | { | ||
233 | unsigned long csa; | ||
234 | |||
235 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | ||
236 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); | ||
237 | |||
238 | /* set the bus interface characteristics */ | ||
239 | at91_sys_write(AT91_SMC_SETUP(0), AT91_SMC_NWESETUP_(4) | AT91_SMC_NCS_WRSETUP_(2) | ||
240 | | AT91_SMC_NRDSETUP_(4) | AT91_SMC_NCS_RDSETUP_(2)); | ||
241 | |||
242 | at91_sys_write(AT91_SMC_PULSE(0), AT91_SMC_NWEPULSE_(8) | AT91_SMC_NCS_WRPULSE_(10) | ||
243 | | AT91_SMC_NRDPULSE_(8) | AT91_SMC_NCS_RDPULSE_(10)); | ||
244 | |||
245 | at91_sys_write(AT91_SMC_CYCLE(0), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); | ||
246 | |||
247 | at91_sys_write(AT91_SMC_MODE(0), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | ||
248 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | ||
249 | | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1)); | ||
250 | |||
251 | platform_device_register(&cap9adk_nor_flash); | ||
252 | } | ||
253 | |||
254 | |||
255 | /* | ||
256 | * LCD Controller | ||
257 | */ | ||
258 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | ||
259 | static struct fb_videomode at91_tft_vga_modes[] = { | ||
260 | { | ||
261 | .name = "TX09D50VM1CCA @ 60", | ||
262 | .refresh = 60, | ||
263 | .xres = 240, .yres = 320, | ||
264 | .pixclock = KHZ2PICOS(4965), | ||
265 | |||
266 | .left_margin = 1, .right_margin = 33, | ||
267 | .upper_margin = 1, .lower_margin = 0, | ||
268 | .hsync_len = 5, .vsync_len = 1, | ||
269 | |||
270 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | ||
271 | .vmode = FB_VMODE_NONINTERLACED, | ||
272 | }, | ||
273 | }; | ||
274 | |||
275 | static struct fb_monspecs at91fb_default_monspecs = { | ||
276 | .manufacturer = "HIT", | ||
277 | .monitor = "TX09D70VM1CCA", | ||
278 | |||
279 | .modedb = at91_tft_vga_modes, | ||
280 | .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), | ||
281 | .hfmin = 15000, | ||
282 | .hfmax = 64000, | ||
283 | .vfmin = 50, | ||
284 | .vfmax = 150, | ||
285 | }; | ||
286 | |||
287 | #define AT91CAP9_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | ||
288 | | ATMEL_LCDC_DISTYPE_TFT \ | ||
289 | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) | ||
290 | |||
291 | static void at91_lcdc_power_control(int on) | ||
292 | { | ||
293 | if (on) | ||
294 | at91_set_gpio_value(AT91_PIN_PC0, 0); /* power up */ | ||
295 | else | ||
296 | at91_set_gpio_value(AT91_PIN_PC0, 1); /* power down */ | ||
297 | } | ||
298 | |||
299 | /* Driver datas */ | ||
300 | static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data = { | ||
301 | .default_bpp = 16, | ||
302 | .default_dmacon = ATMEL_LCDC_DMAEN, | ||
303 | .default_lcdcon2 = AT91CAP9_DEFAULT_LCDCON2, | ||
304 | .default_monspecs = &at91fb_default_monspecs, | ||
305 | .atmel_lcdfb_power_control = at91_lcdc_power_control, | ||
306 | .guard_time = 1, | ||
307 | }; | ||
308 | |||
309 | #else | ||
310 | static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data; | ||
311 | #endif | ||
312 | |||
313 | |||
314 | /* | ||
315 | * AC97 | ||
316 | */ | ||
317 | static struct atmel_ac97_data cap9adk_ac97_data = { | ||
318 | // .reset_pin = ... not connected | ||
319 | }; | ||
320 | |||
321 | |||
322 | static void __init cap9adk_board_init(void) | ||
323 | { | ||
324 | /* Serial */ | ||
325 | at91_add_device_serial(); | ||
326 | /* USB Host */ | ||
327 | set_irq_type(AT91CAP9_ID_UHP, IRQT_HIGH); | ||
328 | at91_add_device_usbh(&cap9adk_usbh_data); | ||
329 | /* SPI */ | ||
330 | at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices)); | ||
331 | /* Touchscreen */ | ||
332 | cap9adk_add_device_ts(); | ||
333 | /* MMC */ | ||
334 | at91_add_device_mmc(1, &cap9adk_mmc_data); | ||
335 | /* Ethernet */ | ||
336 | at91_add_device_eth(&cap9adk_macb_data); | ||
337 | /* NAND */ | ||
338 | at91_add_device_nand(&cap9adk_nand_data); | ||
339 | /* NOR Flash */ | ||
340 | cap9adk_add_device_nor(); | ||
341 | /* I2C */ | ||
342 | at91_add_device_i2c(NULL, 0); | ||
343 | /* LCD Controller */ | ||
344 | set_irq_type(AT91CAP9_ID_LCDC, IRQT_HIGH); | ||
345 | at91_add_device_lcdc(&cap9adk_lcdc_data); | ||
346 | /* AC97 */ | ||
347 | at91_add_device_ac97(&cap9adk_ac97_data); | ||
348 | } | ||
349 | |||
350 | MACHINE_START(AT91CAP9ADK, "Atmel AT91CAP9A-DK") | ||
351 | /* Maintainer: Stelian Pop <stelian.pop@leadtechdesign.com> */ | ||
352 | .phys_io = AT91_BASE_SYS, | ||
353 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | ||
354 | .boot_params = AT91_SDRAM_BASE + 0x100, | ||
355 | .timer = &at91sam926x_timer, | ||
356 | .map_io = cap9adk_map_io, | ||
357 | .init_irq = cap9adk_init_irq, | ||
358 | .init_machine = cap9adk_board_init, | ||
359 | MACHINE_END | ||