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1 | /* |
2 | * Copyright (C) 2005 SAN People |
3 | * Copyright (C) 2007 Atmel Corporation |
4 | * |
5 | * This file is subject to the terms and conditions of the GNU General Public |
6 | * License. See the file COPYING in the main directory of this archive for |
7 | * more details. |
8 | */ |
9 | |
10 | #include <linux/types.h> |
11 | #include <linux/init.h> |
12 | #include <linux/mm.h> |
13 | #include <linux/module.h> |
14 | #include <linux/platform_device.h> |
15 | #include <linux/spi/spi.h> |
16 | #include <linux/fb.h> |
17 | #include <linux/clk.h> |
18 | #include <linux/input.h> |
19 | #include <linux/gpio_keys.h> |
20 | |
21 | #include <video/atmel_lcdc.h> |
22 | |
23 | #include <asm/setup.h> |
24 | #include <asm/mach-types.h> |
25 | #include <asm/irq.h> |
26 | |
27 | #include <asm/mach/arch.h> |
28 | #include <asm/mach/map.h> |
29 | #include <asm/mach/irq.h> |
30 | |
31 | #include <mach/hardware.h> |
32 | #include <mach/board.h> |
33 | #include <mach/gpio.h> |
34 | #include <mach/at91sam9_smc.h> |
35 | #include <mach/at91_shdwc.h> |
36 | |
37 | #include "sam9_smc.h" |
38 | #include "generic.h" |
39 | |
40 | |
41 | static void __init ek_map_io(void) |
42 | { |
43 | /* Initialize processor: 12.000 MHz crystal */ |
44 | at91sam9rl_initialize(12000000); |
45 | |
46 | /* DBGU on ttyS0. (Rx & Tx only) */ |
47 | at91_register_uart(0, 0, 0); |
48 | |
49 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */ |
50 | at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); |
51 | |
52 | /* set serial console to ttyS0 (ie, DBGU) */ |
53 | at91_set_serial_console(0); |
54 | } |
55 | |
56 | static void __init ek_init_irq(void) |
57 | { |
58 | at91sam9rl_init_interrupts(NULL); |
59 | } |
60 | |
61 | |
62 | /* |
63 | * USB HS Device port |
64 | */ |
65 | static struct usba_platform_data __initdata ek_usba_udc_data = { |
66 | .vbus_pin = AT91_PIN_PA8, |
67 | }; |
68 | |
69 | |
70 | /* |
71 | * MCI (SD/MMC) |
72 | */ |
73 | static struct at91_mmc_data __initdata ek_mmc_data = { |
74 | .wire4 = 1, |
75 | .det_pin = AT91_PIN_PA15, |
76 | // .wp_pin = ... not connected |
77 | // .vcc_pin = ... not connected |
78 | }; |
79 | |
80 | |
81 | /* |
82 | * NAND flash |
83 | */ |
84 | static struct mtd_partition __initdata ek_nand_partition[] = { |
85 | { |
86 | .name = "Partition 1", |
87 | .offset = 0, |
88 | .size = SZ_256K, |
89 | }, |
90 | { |
91 | .name = "Partition 2", |
92 | .offset = MTDPART_OFS_NXTBLK, |
93 | .size = MTDPART_SIZ_FULL, |
94 | }, |
95 | }; |
96 | |
97 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
98 | { |
99 | *num_partitions = ARRAY_SIZE(ek_nand_partition); |
100 | return ek_nand_partition; |
101 | } |
102 | |
103 | static struct atmel_nand_data __initdata ek_nand_data = { |
104 | .ale = 21, |
105 | .cle = 22, |
106 | // .det_pin = ... not connected |
107 | .rdy_pin = AT91_PIN_PD17, |
108 | .enable_pin = AT91_PIN_PB6, |
109 | .partition_info = nand_partitions, |
110 | }; |
111 | |
112 | static struct sam9_smc_config __initdata ek_nand_smc_config = { |
113 | .ncs_read_setup = 0, |
114 | .nrd_setup = 1, |
115 | .ncs_write_setup = 0, |
116 | .nwe_setup = 1, |
117 | |
118 | .ncs_read_pulse = 3, |
119 | .nrd_pulse = 3, |
120 | .ncs_write_pulse = 3, |
121 | .nwe_pulse = 3, |
122 | |
123 | .read_cycle = 5, |
124 | .write_cycle = 5, |
125 | |
126 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, |
127 | .tdf_cycles = 2, |
128 | }; |
129 | |
130 | static void __init ek_add_device_nand(void) |
131 | { |
132 | /* configure chip-select 3 (NAND) */ |
133 | sam9_smc_configure(3, &ek_nand_smc_config); |
134 | |
135 | at91_add_device_nand(&ek_nand_data); |
136 | } |
137 | |
138 | |
139 | /* |
140 | * SPI devices |
141 | */ |
142 | static struct spi_board_info ek_spi_devices[] = { |
143 | { /* DataFlash chip */ |
144 | .modalias = "mtd_dataflash", |
145 | .chip_select = 0, |
146 | .max_speed_hz = 15 * 1000 * 1000, |
147 | .bus_num = 0, |
148 | }, |
149 | }; |
150 | |
151 | |
152 | /* |
153 | * LCD Controller |
154 | */ |
155 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) |
156 | static struct fb_videomode at91_tft_vga_modes[] = { |
157 | { |
158 | .name = "TX09D50VM1CCA @ 60", |
159 | .refresh = 60, |
160 | .xres = 240, .yres = 320, |
161 | .pixclock = KHZ2PICOS(4965), |
162 | |
163 | .left_margin = 1, .right_margin = 33, |
164 | .upper_margin = 1, .lower_margin = 0, |
165 | .hsync_len = 5, .vsync_len = 1, |
166 | |
167 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
168 | .vmode = FB_VMODE_NONINTERLACED, |
169 | }, |
170 | }; |
171 | |
172 | static struct fb_monspecs at91fb_default_monspecs = { |
173 | .manufacturer = "HIT", |
174 | .monitor = "TX09D50VM1CCA", |
175 | |
176 | .modedb = at91_tft_vga_modes, |
177 | .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), |
178 | .hfmin = 15000, |
179 | .hfmax = 64000, |
180 | .vfmin = 50, |
181 | .vfmax = 150, |
182 | }; |
183 | |
184 | #define AT91SAM9RL_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ |
185 | | ATMEL_LCDC_DISTYPE_TFT \ |
186 | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) |
187 | |
188 | static void at91_lcdc_power_control(int on) |
189 | { |
190 | if (on) |
191 | at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */ |
192 | else |
193 | at91_set_gpio_value(AT91_PIN_PC1, 1); /* power down */ |
194 | } |
195 | |
196 | /* Driver datas */ |
197 | static struct atmel_lcdfb_info __initdata ek_lcdc_data = { |
198 | .lcdcon_is_backlight = true, |
199 | .default_bpp = 16, |
200 | .default_dmacon = ATMEL_LCDC_DMAEN, |
201 | .default_lcdcon2 = AT91SAM9RL_DEFAULT_LCDCON2, |
202 | .default_monspecs = &at91fb_default_monspecs, |
203 | .atmel_lcdfb_power_control = at91_lcdc_power_control, |
204 | .guard_time = 1, |
205 | .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, |
206 | }; |
207 | |
208 | #else |
209 | static struct atmel_lcdfb_info __initdata ek_lcdc_data; |
210 | #endif |
211 | |
212 | |
213 | /* |
214 | * AC97 |
215 | * reset_pin is not connected: NRST |
216 | */ |
217 | static struct ac97c_platform_data ek_ac97_data = { |
218 | }; |
219 | |
220 | |
221 | /* |
222 | * LEDs |
223 | */ |
224 | static struct gpio_led ek_leds[] = { |
225 | { /* "bottom" led, green, userled1 to be defined */ |
226 | .name = "ds1", |
227 | .gpio = AT91_PIN_PD15, |
228 | .active_low = 1, |
229 | .default_trigger = "none", |
230 | }, |
231 | { /* "bottom" led, green, userled2 to be defined */ |
232 | .name = "ds2", |
233 | .gpio = AT91_PIN_PD16, |
234 | .active_low = 1, |
235 | .default_trigger = "none", |
236 | }, |
237 | { /* "power" led, yellow */ |
238 | .name = "ds3", |
239 | .gpio = AT91_PIN_PD14, |
240 | .default_trigger = "heartbeat", |
241 | } |
242 | }; |
243 | |
244 | |
245 | /* |
246 | * Touchscreen |
247 | */ |
248 | static struct at91_tsadcc_data ek_tsadcc_data = { |
249 | .adc_clock = 1000000, |
250 | .pendet_debounce = 0x0f, |
251 | .ts_sample_hold_time = 0x03, |
252 | }; |
253 | |
254 | |
255 | /* |
256 | * GPIO Buttons |
257 | */ |
258 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
259 | static struct gpio_keys_button ek_buttons[] = { |
260 | { |
261 | .gpio = AT91_PIN_PB0, |
262 | .code = BTN_2, |
263 | .desc = "Right Click", |
264 | .active_low = 1, |
265 | .wakeup = 1, |
266 | }, |
267 | { |
268 | .gpio = AT91_PIN_PB1, |
269 | .code = BTN_1, |
270 | .desc = "Left Click", |
271 | .active_low = 1, |
272 | .wakeup = 1, |
273 | } |
274 | }; |
275 | |
276 | static struct gpio_keys_platform_data ek_button_data = { |
277 | .buttons = ek_buttons, |
278 | .nbuttons = ARRAY_SIZE(ek_buttons), |
279 | }; |
280 | |
281 | static struct platform_device ek_button_device = { |
282 | .name = "gpio-keys", |
283 | .id = -1, |
284 | .num_resources = 0, |
285 | .dev = { |
286 | .platform_data = &ek_button_data, |
287 | } |
288 | }; |
289 | |
290 | static void __init ek_add_device_buttons(void) |
291 | { |
292 | at91_set_gpio_input(AT91_PIN_PB1, 1); /* btn1 */ |
293 | at91_set_deglitch(AT91_PIN_PB1, 1); |
294 | at91_set_gpio_input(AT91_PIN_PB0, 1); /* btn2 */ |
295 | at91_set_deglitch(AT91_PIN_PB0, 1); |
296 | |
297 | platform_device_register(&ek_button_device); |
298 | } |
299 | #else |
300 | static void __init ek_add_device_buttons(void) {} |
301 | #endif |
302 | |
303 | |
304 | static void __init ek_board_init(void) |
305 | { |
306 | /* Serial */ |
307 | at91_add_device_serial(); |
308 | /* USB HS */ |
309 | at91_add_device_usba(&ek_usba_udc_data); |
310 | /* I2C */ |
311 | at91_add_device_i2c(NULL, 0); |
312 | /* NAND */ |
313 | ek_add_device_nand(); |
314 | /* SPI */ |
315 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
316 | /* MMC */ |
317 | at91_add_device_mmc(0, &ek_mmc_data); |
318 | /* LCD Controller */ |
319 | at91_add_device_lcdc(&ek_lcdc_data); |
320 | /* AC97 */ |
321 | at91_add_device_ac97(&ek_ac97_data); |
322 | /* Touch Screen Controller */ |
323 | at91_add_device_tsadcc(&ek_tsadcc_data); |
324 | /* LEDs */ |
325 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); |
326 | /* Push Buttons */ |
327 | ek_add_device_buttons(); |
328 | } |
329 | |
330 | MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK") |
331 | /* Maintainer: Atmel */ |
332 | .boot_params = AT91_SDRAM_BASE + 0x100, |
333 | .timer = &at91sam926x_timer, |
334 | .map_io = ek_map_io, |
335 | .init_irq = ek_init_irq, |
336 | .init_machine = ek_board_init, |
337 | MACHINE_END |
338 |
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