Commit | Line | Data |
---|---|---|
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 | ||
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> | |
b78eabde | 48 | #include <asm/arch/at91sam9_smc.h> |
86640cae AV |
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 | ||
3c3796cc | 178 | static struct atmel_nand_data __initdata cap9adk_nand_data = { |
86640cae AV |
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 |