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e6d92e63 AV |
1 | /* |
2 | * linux/arch/arm/mach-at91/board-sam9263ek.c | |
3 | * | |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2007 Atmel Corporation. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <linux/types.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/mm.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/platform_device.h> | |
27 | #include <linux/spi/spi.h> | |
7c73628f | 28 | #include <linux/spi/ads7846.h> |
cdf95c73 AV |
29 | #include <linux/fb.h> |
30 | ||
31 | #include <video/atmel_lcdc.h> | |
e6d92e63 AV |
32 | |
33 | #include <asm/hardware.h> | |
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 <asm/arch/board.h> | |
43 | #include <asm/arch/gpio.h> | |
44 | #include <asm/arch/at91sam926x_mc.h> | |
45 | ||
46 | #include "generic.h" | |
47 | ||
48 | ||
49 | /* | |
50 | * Serial port configuration. | |
51 | * 0 .. 2 = USART0 .. USART2 | |
52 | * 3 = DBGU | |
53 | */ | |
54 | static struct at91_uart_config __initdata ek_uart_config = { | |
55 | .console_tty = 0, /* ttyS0 */ | |
56 | .nr_tty = 2, | |
57 | .tty_map = { 3, 0, -1, -1, } /* ttyS0, ..., ttyS3 */ | |
58 | }; | |
59 | ||
60 | static void __init ek_map_io(void) | |
61 | { | |
62 | /* Initialize processor: 16.367 MHz crystal */ | |
63 | at91sam9263_initialize(16367660); | |
64 | ||
65 | /* Setup the serial ports and console */ | |
66 | at91_init_serial(&ek_uart_config); | |
67 | } | |
68 | ||
69 | static void __init ek_init_irq(void) | |
70 | { | |
71 | at91sam9263_init_interrupts(NULL); | |
72 | } | |
73 | ||
74 | ||
75 | /* | |
76 | * USB Host port | |
77 | */ | |
78 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
79 | .ports = 2, | |
80 | .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 }, | |
81 | }; | |
82 | ||
83 | /* | |
84 | * USB Device port | |
85 | */ | |
86 | static struct at91_udc_data __initdata ek_udc_data = { | |
87 | .vbus_pin = AT91_PIN_PA25, | |
88 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
89 | }; | |
90 | ||
91 | ||
7c73628f AV |
92 | /* |
93 | * ADS7846 Touchscreen | |
94 | */ | |
95 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | |
96 | static int ads7843_pendown_state(void) | |
97 | { | |
98 | return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */ | |
99 | } | |
100 | ||
101 | static struct ads7846_platform_data ads_info = { | |
102 | .model = 7843, | |
103 | .x_min = 150, | |
104 | .x_max = 3830, | |
105 | .y_min = 190, | |
106 | .y_max = 3830, | |
107 | .vref_delay_usecs = 100, | |
108 | .x_plate_ohms = 450, | |
109 | .y_plate_ohms = 250, | |
110 | .pressure_max = 15000, | |
111 | .debounce_max = 1, | |
112 | .debounce_rep = 0, | |
113 | .debounce_tol = (~0), | |
114 | .get_pendown_state = ads7843_pendown_state, | |
115 | }; | |
116 | ||
117 | static void __init ek_add_device_ts(void) | |
118 | { | |
119 | at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */ | |
120 | at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */ | |
121 | } | |
122 | #else | |
123 | static void __init ek_add_device_ts(void) {} | |
124 | #endif | |
125 | ||
e6d92e63 AV |
126 | /* |
127 | * SPI devices. | |
128 | */ | |
129 | static struct spi_board_info ek_spi_devices[] = { | |
130 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | |
131 | { /* DataFlash card */ | |
132 | .modalias = "mtd_dataflash", | |
133 | .chip_select = 0, | |
134 | .max_speed_hz = 15 * 1000 * 1000, | |
135 | .bus_num = 0, | |
136 | }, | |
137 | #endif | |
7c73628f AV |
138 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) |
139 | { | |
140 | .modalias = "ads7846", | |
141 | .chip_select = 3, | |
142 | .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */ | |
143 | .bus_num = 0, | |
144 | .platform_data = &ads_info, | |
145 | .irq = AT91SAM9263_ID_IRQ1, | |
146 | }, | |
147 | #endif | |
e6d92e63 AV |
148 | }; |
149 | ||
150 | ||
151 | /* | |
152 | * MCI (SD/MMC) | |
153 | */ | |
154 | static struct at91_mmc_data __initdata ek_mmc_data = { | |
155 | .wire4 = 1, | |
156 | .det_pin = AT91_PIN_PE18, | |
157 | .wp_pin = AT91_PIN_PE19, | |
158 | // .vcc_pin = ... not connected | |
159 | }; | |
160 | ||
161 | ||
93afa752 AV |
162 | /* |
163 | * MACB Ethernet device | |
164 | */ | |
165 | static struct at91_eth_data __initdata ek_macb_data = { | |
166 | .is_rmii = 1, | |
167 | }; | |
168 | ||
169 | ||
e6d92e63 AV |
170 | /* |
171 | * NAND flash | |
172 | */ | |
173 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
174 | { | |
175 | .name = "Partition 1", | |
176 | .offset = 0, | |
177 | .size = 64 * 1024 * 1024, | |
178 | }, | |
179 | { | |
180 | .name = "Partition 2", | |
181 | .offset = 64 * 1024 * 1024, | |
182 | .size = MTDPART_SIZ_FULL, | |
183 | }, | |
184 | }; | |
185 | ||
cdea4606 | 186 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
e6d92e63 AV |
187 | { |
188 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | |
189 | return ek_nand_partition; | |
190 | } | |
191 | ||
192 | static struct at91_nand_data __initdata ek_nand_data = { | |
193 | .ale = 21, | |
194 | .cle = 22, | |
195 | // .det_pin = ... not connected | |
196 | .rdy_pin = AT91_PIN_PA22, | |
197 | .enable_pin = AT91_PIN_PD15, | |
198 | .partition_info = nand_partitions, | |
199 | #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) | |
200 | .bus_width_16 = 1, | |
201 | #else | |
202 | .bus_width_16 = 0, | |
203 | #endif | |
204 | }; | |
205 | ||
206 | ||
cdf95c73 AV |
207 | /* |
208 | * LCD Controller | |
209 | */ | |
210 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
211 | static struct fb_videomode at91_tft_vga_modes[] = { | |
212 | { | |
213 | .name = "TX09D50VM1CCA @ 60", | |
214 | .refresh = 60, | |
215 | .xres = 240, .yres = 320, | |
216 | .pixclock = KHZ2PICOS(4965), | |
217 | ||
218 | .left_margin = 1, .right_margin = 33, | |
219 | .upper_margin = 1, .lower_margin = 0, | |
220 | .hsync_len = 5, .vsync_len = 1, | |
221 | ||
222 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
223 | .vmode = FB_VMODE_NONINTERLACED, | |
224 | }, | |
225 | }; | |
226 | ||
227 | static struct fb_monspecs at91fb_default_monspecs = { | |
228 | .manufacturer = "HIT", | |
229 | .monitor = "TX09D70VM1CCA", | |
230 | ||
231 | .modedb = at91_tft_vga_modes, | |
232 | .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), | |
233 | .hfmin = 15000, | |
234 | .hfmax = 64000, | |
235 | .vfmin = 50, | |
236 | .vfmax = 150, | |
237 | }; | |
238 | ||
239 | #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | |
240 | | ATMEL_LCDC_DISTYPE_TFT \ | |
241 | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) | |
242 | ||
243 | static void at91_lcdc_power_control(int on) | |
244 | { | |
245 | if (on) | |
246 | at91_set_gpio_value(AT91_PIN_PD12, 0); /* power up */ | |
247 | else | |
248 | at91_set_gpio_value(AT91_PIN_PD12, 1); /* power down */ | |
249 | } | |
250 | ||
251 | /* Driver datas */ | |
252 | static struct atmel_lcdfb_info __initdata ek_lcdc_data = { | |
253 | .default_bpp = 16, | |
254 | .default_dmacon = ATMEL_LCDC_DMAEN, | |
255 | .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2, | |
256 | .default_monspecs = &at91fb_default_monspecs, | |
257 | .atmel_lcdfb_power_control = at91_lcdc_power_control, | |
258 | .guard_time = 1, | |
259 | }; | |
260 | ||
261 | #else | |
262 | static struct atmel_lcdfb_info __initdata ek_lcdc_data; | |
263 | #endif | |
264 | ||
265 | ||
93afa752 AV |
266 | /* |
267 | * AC97 | |
268 | */ | |
269 | static struct atmel_ac97_data ek_ac97_data = { | |
270 | .reset_pin = AT91_PIN_PA13, | |
271 | }; | |
272 | ||
273 | ||
e6d92e63 AV |
274 | static void __init ek_board_init(void) |
275 | { | |
276 | /* Serial */ | |
277 | at91_add_device_serial(); | |
278 | /* USB Host */ | |
279 | at91_add_device_usbh(&ek_usbh_data); | |
280 | /* USB Device */ | |
281 | at91_add_device_udc(&ek_udc_data); | |
282 | /* SPI */ | |
7c73628f | 283 | at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */ |
e6d92e63 | 284 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
7c73628f AV |
285 | /* Touchscreen */ |
286 | ek_add_device_ts(); | |
e6d92e63 AV |
287 | /* MMC */ |
288 | at91_add_device_mmc(1, &ek_mmc_data); | |
93afa752 AV |
289 | /* Ethernet */ |
290 | at91_add_device_eth(&ek_macb_data); | |
e6d92e63 AV |
291 | /* NAND */ |
292 | at91_add_device_nand(&ek_nand_data); | |
93afa752 | 293 | /* I2C */ |
f230d3f5 | 294 | at91_add_device_i2c(NULL, 0); |
cdf95c73 AV |
295 | /* LCD Controller */ |
296 | at91_add_device_lcdc(&ek_lcdc_data); | |
93afa752 AV |
297 | /* AC97 */ |
298 | at91_add_device_ac97(&ek_ac97_data); | |
e6d92e63 AV |
299 | } |
300 | ||
301 | MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK") | |
302 | /* Maintainer: Atmel */ | |
303 | .phys_io = AT91_BASE_SYS, | |
304 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
305 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
306 | .timer = &at91sam926x_timer, | |
307 | .map_io = ek_map_io, | |
308 | .init_irq = ek_init_irq, | |
309 | .init_machine = ek_board_init, | |
310 | MACHINE_END |