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dc563b4f MV |
1 | /* |
2 | * linux/arch/arm/mach-omap1/board-palmtt.c | |
3 | * | |
4 | * Modified from board-palmtt2.c | |
5 | * | |
6 | * Modified and amended for Palm Tungsten|T | |
7 | * by Marek Vasut <marek.vasut@gmail.com> | |
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 version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/delay.h> | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/notifier.h> | |
19 | #include <linux/clk.h> | |
20 | #include <linux/input.h> | |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/mtd/mtd.h> | |
23 | #include <linux/mtd/partitions.h> | |
24 | #include <linux/leds.h> | |
25 | ||
26 | #include <asm/hardware.h> | |
27 | #include <asm/mach-types.h> | |
28 | #include <asm/mach/arch.h> | |
29 | #include <asm/mach/map.h> | |
30 | #include <asm/mach/flash.h> | |
31 | ||
32 | #include <asm/arch/led.h> | |
33 | #include <asm/arch/mcbsp.h> | |
34 | #include <asm/arch/gpio.h> | |
35 | #include <asm/arch/mux.h> | |
36 | #include <asm/arch/usb.h> | |
37 | #include <asm/arch/dma.h> | |
38 | #include <asm/arch/tc.h> | |
39 | #include <asm/arch/board.h> | |
40 | #include <asm/arch/irda.h> | |
41 | #include <asm/arch/keypad.h> | |
42 | #include <asm/arch/common.h> | |
43 | #include <asm/arch/omap-alsa.h> | |
44 | ||
dc563b4f MV |
45 | #include <linux/spi/spi.h> |
46 | #include <linux/spi/ads7846.h> | |
47 | ||
48 | static int palmtt_keymap[] = { | |
49 | KEY(0, 0, KEY_ESC), | |
50 | KEY(0, 1, KEY_SPACE), | |
51 | KEY(0, 2, KEY_LEFTCTRL), | |
52 | KEY(0, 3, KEY_TAB), | |
53 | KEY(0, 4, KEY_ENTER), | |
54 | KEY(1, 0, KEY_LEFT), | |
55 | KEY(1, 1, KEY_DOWN), | |
56 | KEY(1, 2, KEY_UP), | |
57 | KEY(1, 3, KEY_RIGHT), | |
58 | KEY(2, 0, KEY_SLEEP), | |
59 | KEY(2, 4, KEY_Y), | |
60 | 0 | |
61 | }; | |
62 | ||
63 | static struct mtd_partition palmtt_partitions[] = { | |
64 | { | |
65 | .name = "write8k", | |
66 | .offset = 0, | |
67 | .size = SZ_8K, | |
68 | .mask_flags = 0, | |
69 | }, | |
70 | { | |
71 | .name = "PalmOS-BootLoader(ro)", | |
72 | .offset = SZ_8K, | |
73 | .size = 7 * SZ_8K, | |
74 | .mask_flags = MTD_WRITEABLE, | |
75 | }, | |
76 | { | |
77 | .name = "u-boot", | |
78 | .offset = MTDPART_OFS_APPEND, | |
79 | .size = 8 * SZ_8K, | |
80 | .mask_flags = 0, | |
81 | }, | |
82 | { | |
83 | .name = "PalmOS-FS(ro)", | |
84 | .offset = MTDPART_OFS_APPEND, | |
85 | .size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K, | |
86 | .mask_flags = MTD_WRITEABLE, | |
87 | }, | |
88 | { | |
89 | .name = "u-boot(rez)", | |
90 | .offset = MTDPART_OFS_APPEND, | |
91 | .size = SZ_128K, | |
92 | .mask_flags = 0 | |
93 | }, | |
94 | { | |
95 | .name = "empty", | |
96 | .offset = MTDPART_OFS_APPEND, | |
97 | .size = MTDPART_SIZ_FULL, | |
98 | .mask_flags = 0 | |
99 | } | |
100 | }; | |
101 | ||
102 | static struct flash_platform_data palmtt_flash_data = { | |
103 | .map_name = "cfi_probe", | |
104 | .width = 2, | |
105 | .parts = palmtt_partitions, | |
106 | .nr_parts = ARRAY_SIZE(palmtt_partitions), | |
107 | }; | |
108 | ||
109 | static struct resource palmtt_flash_resource = { | |
110 | .start = OMAP_CS0_PHYS, | |
111 | .end = OMAP_CS0_PHYS + SZ_8M - 1, | |
112 | .flags = IORESOURCE_MEM, | |
113 | }; | |
114 | ||
115 | static struct platform_device palmtt_flash_device = { | |
116 | .name = "omapflash", | |
117 | .id = 0, | |
118 | .dev = { | |
119 | .platform_data = &palmtt_flash_data, | |
120 | }, | |
121 | .num_resources = 1, | |
122 | .resource = &palmtt_flash_resource, | |
123 | }; | |
124 | ||
125 | #define DEFAULT_BITPERSAMPLE 16 | |
126 | ||
127 | static struct omap_mcbsp_reg_cfg mcbsp_regs = { | |
128 | .spcr2 = FREE | FRST | GRST | XRST | XINTM(3), | |
129 | .spcr1 = RINTM(3) | RRST, | |
130 | .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) | | |
131 | RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0), | |
132 | .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | | |
133 | RWDLEN1(OMAP_MCBSP_WORD_16), | |
134 | .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) | | |
135 | XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG, | |
136 | .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | | |
137 | XWDLEN1(OMAP_MCBSP_WORD_16), | |
138 | .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), | |
139 | .srgr2 = GSYNC | CLKSP | FSGM | | |
140 | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), | |
141 | .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */ | |
142 | }; | |
143 | ||
144 | static struct omap_alsa_codec_config alsa_config = { | |
145 | .name = "PalmTT AIC23", | |
146 | .mcbsp_regs_alsa = &mcbsp_regs, | |
6e2d4107 DC |
147 | .codec_configure_dev = NULL, /* aic23_configure, */ |
148 | .codec_set_samplerate = NULL, /* aic23_set_samplerate, */ | |
149 | .codec_clock_setup = NULL, /* aic23_clock_setup, */ | |
150 | .codec_clock_on = NULL, /* aic23_clock_on, */ | |
151 | .codec_clock_off = NULL, /* aic23_clock_off, */ | |
152 | .get_default_samplerate = NULL, /* aic23_get_default_samplerate, */ | |
dc563b4f MV |
153 | }; |
154 | ||
155 | static struct platform_device palmtt_mcbsp1_device = { | |
156 | .name = "omap_alsa_mcbsp", | |
157 | .id = 1, | |
158 | .dev = { | |
159 | .platform_data = &alsa_config, | |
160 | }, | |
161 | }; | |
162 | ||
163 | static struct resource palmtt_kp_resources[] = { | |
164 | [0] = { | |
165 | .start = INT_KEYBOARD, | |
166 | .end = INT_KEYBOARD, | |
167 | .flags = IORESOURCE_IRQ, | |
168 | }, | |
169 | }; | |
170 | ||
171 | static struct omap_kp_platform_data palmtt_kp_data = { | |
172 | .rows = 6, | |
173 | .cols = 3, | |
174 | .keymap = palmtt_keymap, | |
175 | }; | |
176 | ||
177 | static struct platform_device palmtt_kp_device = { | |
178 | .name = "omap-keypad", | |
179 | .id = -1, | |
180 | .dev = { | |
181 | .platform_data = &palmtt_kp_data, | |
182 | }, | |
183 | .num_resources = ARRAY_SIZE(palmtt_kp_resources), | |
184 | .resource = palmtt_kp_resources, | |
185 | }; | |
186 | ||
187 | static struct platform_device palmtt_lcd_device = { | |
188 | .name = "lcd_palmtt", | |
189 | .id = -1, | |
190 | }; | |
191 | static struct omap_irda_config palmtt_irda_config = { | |
192 | .transceiver_cap = IR_SIRMODE, | |
193 | .rx_channel = OMAP_DMA_UART3_RX, | |
194 | .tx_channel = OMAP_DMA_UART3_TX, | |
195 | .dest_start = UART3_THR, | |
196 | .src_start = UART3_RHR, | |
197 | .tx_trigger = 0, | |
198 | .rx_trigger = 0, | |
199 | }; | |
200 | ||
201 | static struct resource palmtt_irda_resources[] = { | |
202 | [0] = { | |
203 | .start = INT_UART3, | |
204 | .end = INT_UART3, | |
205 | .flags = IORESOURCE_IRQ, | |
206 | }, | |
207 | }; | |
208 | ||
209 | static struct platform_device palmtt_irda_device = { | |
210 | .name = "omapirda", | |
211 | .id = -1, | |
212 | .dev = { | |
213 | .platform_data = &palmtt_irda_config, | |
214 | }, | |
215 | .num_resources = ARRAY_SIZE(palmtt_irda_resources), | |
216 | .resource = palmtt_irda_resources, | |
217 | }; | |
218 | ||
219 | static struct platform_device palmtt_spi_device = { | |
220 | .name = "spi_palmtt", | |
221 | .id = -1, | |
222 | }; | |
223 | ||
224 | static struct omap_backlight_config palmtt_backlight_config = { | |
225 | .default_intensity = 0xa0, | |
226 | }; | |
227 | ||
228 | static struct platform_device palmtt_backlight_device = { | |
229 | .name = "omap-bl", | |
230 | .id = -1, | |
231 | .dev = { | |
232 | .platform_data= &palmtt_backlight_config, | |
233 | }, | |
234 | }; | |
235 | ||
236 | static struct omap_led_config palmtt_led_config[] = { | |
237 | { | |
238 | .cdev = { | |
239 | .name = "palmtt:led0", | |
240 | }, | |
241 | .gpio = PALMTT_LED_GPIO, | |
242 | }, | |
243 | }; | |
244 | ||
245 | static struct omap_led_platform_data palmtt_led_data = { | |
246 | .nr_leds = ARRAY_SIZE(palmtt_led_config), | |
247 | .leds = palmtt_led_config, | |
248 | }; | |
249 | ||
250 | static struct platform_device palmtt_led_device = { | |
251 | .name = "omap-led", | |
252 | .id = -1, | |
253 | .dev = { | |
254 | .platform_data = &palmtt_led_data, | |
255 | }, | |
256 | }; | |
257 | ||
258 | static struct platform_device *palmtt_devices[] __initdata = { | |
259 | &palmtt_flash_device, | |
260 | &palmtt_mcbsp1_device, | |
261 | &palmtt_kp_device, | |
262 | &palmtt_lcd_device, | |
263 | &palmtt_irda_device, | |
264 | &palmtt_spi_device, | |
265 | &palmtt_backlight_device, | |
266 | &palmtt_led_device, | |
267 | }; | |
268 | ||
269 | static int palmtt_get_pendown_state(void) | |
270 | { | |
271 | return !omap_get_gpio_datain(6); | |
272 | } | |
273 | ||
274 | static const struct ads7846_platform_data palmtt_ts_info = { | |
275 | .model = 7846, | |
276 | .vref_delay_usecs = 100, /* internal, no capacitor */ | |
277 | .x_plate_ohms = 419, | |
278 | .y_plate_ohms = 486, | |
279 | .get_pendown_state = palmtt_get_pendown_state, | |
280 | }; | |
281 | ||
282 | static struct spi_board_info __initdata palmtt_boardinfo[] = { | |
283 | { | |
284 | /* MicroWire (bus 2) CS0 has an ads7846e */ | |
285 | .modalias = "ads7846", | |
286 | .platform_data = &palmtt_ts_info, | |
287 | .irq = OMAP_GPIO_IRQ(6), | |
288 | .max_speed_hz = 120000 /* max sample rate at 3V */ | |
289 | * 26 /* command + data + overhead */, | |
290 | .bus_num = 2, | |
291 | .chip_select = 0, | |
292 | } | |
293 | }; | |
294 | ||
295 | static void __init omap_palmtt_init_irq(void) | |
296 | { | |
297 | omap1_init_common_hw(); | |
298 | omap_init_irq(); | |
299 | } | |
300 | ||
301 | static struct omap_usb_config palmtt_usb_config __initdata = { | |
302 | .register_dev = 1, | |
303 | .hmc_mode = 0, | |
304 | .pins[0] = 2, | |
305 | }; | |
306 | ||
307 | static struct omap_lcd_config palmtt_lcd_config __initdata = { | |
308 | .ctrl_name = "internal", | |
309 | }; | |
310 | ||
311 | static struct omap_uart_config palmtt_uart_config __initdata = { | |
312 | .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2), | |
313 | }; | |
314 | ||
315 | static struct omap_board_config_kernel palmtt_config[] = { | |
a524626b TL |
316 | { OMAP_TAG_USB, &palmtt_usb_config }, |
317 | { OMAP_TAG_LCD, &palmtt_lcd_config }, | |
dc563b4f MV |
318 | { OMAP_TAG_UART, &palmtt_uart_config }, |
319 | }; | |
320 | ||
321 | static void __init omap_mpu_wdt_mode(int mode) { | |
322 | if (mode) | |
323 | omap_writew(0x8000, OMAP_WDT_TIMER_MODE); | |
324 | else { | |
325 | omap_writew(0x00f5, OMAP_WDT_TIMER_MODE); | |
326 | omap_writew(0x00a0, OMAP_WDT_TIMER_MODE); | |
327 | } | |
328 | } | |
329 | ||
330 | static void __init omap_palmtt_init(void) | |
331 | { | |
332 | omap_mpu_wdt_mode(0); | |
333 | ||
334 | omap_board_config = palmtt_config; | |
335 | omap_board_config_size = ARRAY_SIZE(palmtt_config); | |
336 | ||
337 | platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices)); | |
338 | ||
339 | spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo)); | |
340 | omap_serial_init(); | |
341 | } | |
342 | ||
343 | static void __init omap_palmtt_map_io(void) | |
344 | { | |
345 | omap1_map_common_io(); | |
346 | } | |
347 | ||
348 | MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T") | |
349 | .phys_io = 0xfff00000, | |
350 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
351 | .boot_params = 0x10000100, | |
352 | .map_io = omap_palmtt_map_io, | |
353 | .init_irq = omap_palmtt_init_irq, | |
354 | .init_machine = omap_palmtt_init, | |
355 | .timer = &omap_timer, | |
356 | MACHINE_END |