[ARM] pxa/cm-x300: add revision difference handling
[deliverable/linux.git] / arch / arm / mach-pxa / cm-x300.c
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1/*
2 * linux/arch/arm/mach-pxa/cm-x300.c
3 *
4 * Support for the CompuLab CM-X300 modules
5 *
6 * Copyright (C) 2008 CompuLab Ltd.
7 *
8 * Mike Rapoport <mike@compulab.co.il>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/interrupt.h>
18#include <linux/init.h>
19#include <linux/platform_device.h>
20
21#include <linux/gpio.h>
22#include <linux/dm9000.h>
23#include <linux/leds.h>
1858ced3 24#include <linux/rtc-v3020.h>
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25
26#include <linux/i2c.h>
27#include <linux/i2c/pca953x.h>
28
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
b5a5c474 31#include <asm/setup.h>
cf75d8d2 32
51c62982 33#include <mach/pxa300.h>
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34#include <mach/pxafb.h>
35#include <mach/mmc.h>
36#include <mach/ohci.h>
f0a83701 37#include <plat/i2c.h>
82b95ecb 38#include <plat/pxa3xx_nand.h>
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39
40#include <asm/mach/map.h>
41
42#include "generic.h"
43
44#define CM_X300_ETH_PHYS 0x08000010
45
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46#define GPIO82_MMC_IRQ (82)
47#define GPIO85_MMC_WP (85)
cf75d8d2 48
0bff2fc3 49#define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ)
cf75d8d2 50
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51#define GPIO95_RTC_CS (95)
52#define GPIO96_RTC_WR (96)
53#define GPIO97_RTC_RD (97)
54#define GPIO98_RTC_IO (98)
55
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56static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
57 /* LCD */
58 GPIO54_LCD_LDD_0,
59 GPIO55_LCD_LDD_1,
60 GPIO56_LCD_LDD_2,
61 GPIO57_LCD_LDD_3,
62 GPIO58_LCD_LDD_4,
63 GPIO59_LCD_LDD_5,
64 GPIO60_LCD_LDD_6,
65 GPIO61_LCD_LDD_7,
66 GPIO62_LCD_LDD_8,
67 GPIO63_LCD_LDD_9,
68 GPIO64_LCD_LDD_10,
69 GPIO65_LCD_LDD_11,
70 GPIO66_LCD_LDD_12,
71 GPIO67_LCD_LDD_13,
72 GPIO68_LCD_LDD_14,
73 GPIO69_LCD_LDD_15,
74 GPIO72_LCD_FCLK,
75 GPIO73_LCD_LCLK,
76 GPIO74_LCD_PCLK,
77 GPIO75_LCD_BIAS,
78
79 /* BTUART */
80 GPIO111_UART2_RTS,
81 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
82 GPIO113_UART2_TXD,
83 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
84
85 /* STUART */
86 GPIO109_UART3_TXD,
87 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
88
89 /* AC97 */
90 GPIO23_AC97_nACRESET,
91 GPIO24_AC97_SYSCLK,
92 GPIO29_AC97_BITCLK,
93 GPIO25_AC97_SDATA_IN_0,
94 GPIO27_AC97_SDATA_OUT,
95 GPIO28_AC97_SYNC,
96
97 /* Keypad */
98 GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
99 GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
100 GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
101 GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
102 GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
103 GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
104 GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
105 GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
106 GPIO121_KP_MKOUT_0,
107 GPIO122_KP_MKOUT_1,
108 GPIO123_KP_MKOUT_2,
109 GPIO124_KP_MKOUT_3,
110 GPIO125_KP_MKOUT_4,
111 GPIO4_2_KP_MKOUT_5,
112
113 /* MMC1 */
114 GPIO3_MMC1_DAT0,
115 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
116 GPIO5_MMC1_DAT2,
117 GPIO6_MMC1_DAT3,
118 GPIO7_MMC1_CLK,
119 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
120
121 /* MMC2 */
122 GPIO9_MMC2_DAT0,
123 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
124 GPIO11_MMC2_DAT2,
125 GPIO12_MMC2_DAT3,
126 GPIO13_MMC2_CLK,
127 GPIO14_MMC2_CMD,
128
129 /* FFUART */
130 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
131 GPIO31_UART1_TXD,
132 GPIO32_UART1_CTS,
133 GPIO37_UART1_RTS,
134 GPIO33_UART1_DCD,
135 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
136 GPIO35_UART1_RI,
137 GPIO36_UART1_DTR,
138
139 /* GPIOs */
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140 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
141 GPIO85_GPIO, /* MMC WP */
142 GPIO99_GPIO, /* Ethernet IRQ */
6f584cfa 143
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144 /* RTC GPIOs */
145 GPIO95_GPIO, /* RTC CS */
146 GPIO96_GPIO, /* RTC WR */
147 GPIO97_GPIO, /* RTC RD */
148 GPIO98_GPIO, /* RTC IO */
149
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150 /* Standard I2C */
151 GPIO21_I2C_SCL,
152 GPIO22_I2C_SDA,
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153};
154
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155static mfp_cfg_t cm_x300_rev_lt130_mfp_cfg[] __initdata = {
156 /* GPIOs */
157 GPIO79_GPIO, /* LED */
158 GPIO77_GPIO, /* WiFi reset */
159 GPIO78_GPIO, /* BT reset */
160};
161
162static mfp_cfg_t cm_x300_rev_ge130_mfp_cfg[] __initdata = {
163 /* GPIOs */
164 GPIO76_GPIO, /* LED */
165 GPIO71_GPIO, /* WiFi reset */
166 GPIO70_GPIO, /* BT reset */
167};
168
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169#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
170static struct resource dm9000_resources[] = {
171 [0] = {
172 .start = CM_X300_ETH_PHYS,
173 .end = CM_X300_ETH_PHYS + 0x3,
174 .flags = IORESOURCE_MEM,
175 },
176 [1] = {
177 .start = CM_X300_ETH_PHYS + 0x4,
178 .end = CM_X300_ETH_PHYS + 0x4 + 500,
179 .flags = IORESOURCE_MEM,
180 },
181 [2] = {
182 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
183 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
184 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
185 }
186};
187
188static struct dm9000_plat_data cm_x300_dm9000_platdata = {
bff22c9b 189 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
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190};
191
192static struct platform_device dm9000_device = {
193 .name = "dm9000",
194 .id = 0,
195 .num_resources = ARRAY_SIZE(dm9000_resources),
196 .resource = dm9000_resources,
197 .dev = {
198 .platform_data = &cm_x300_dm9000_platdata,
199 }
200
201};
202
203static void __init cm_x300_init_dm9000(void)
204{
205 platform_device_register(&dm9000_device);
206}
207#else
208static inline void cm_x300_init_dm9000(void) {}
209#endif
210
211#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
212static struct pxafb_mode_info cm_x300_lcd_modes[] = {
213 [0] = {
214 .pixclock = 38000,
215 .bpp = 16,
216 .xres = 480,
217 .yres = 640,
218 .hsync_len = 8,
219 .vsync_len = 2,
220 .left_margin = 8,
221 .upper_margin = 0,
222 .right_margin = 24,
223 .lower_margin = 4,
224 .cmap_greyscale = 0,
225 },
226 [1] = {
227 .pixclock = 153800,
228 .bpp = 16,
229 .xres = 240,
230 .yres = 320,
231 .hsync_len = 8,
232 .vsync_len = 2,
233 .left_margin = 8,
234 .upper_margin = 2,
235 .right_margin = 88,
236 .lower_margin = 2,
237 .cmap_greyscale = 0,
238 },
239};
240
241static struct pxafb_mach_info cm_x300_lcd = {
242 .modes = cm_x300_lcd_modes,
243 .num_modes = 2,
244 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
245};
246
247static void __init cm_x300_init_lcd(void)
248{
249 set_pxa_fb_info(&cm_x300_lcd);
250}
251#else
252static inline void cm_x300_init_lcd(void) {}
253#endif
254
255#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
256static struct mtd_partition cm_x300_nand_partitions[] = {
257 [0] = {
258 .name = "OBM",
259 .offset = 0,
260 .size = SZ_256K,
261 .mask_flags = MTD_WRITEABLE, /* force read-only */
262 },
263 [1] = {
264 .name = "U-Boot",
265 .offset = MTDPART_OFS_APPEND,
266 .size = SZ_256K,
267 .mask_flags = MTD_WRITEABLE, /* force read-only */
268 },
269 [2] = {
270 .name = "Environment",
271 .offset = MTDPART_OFS_APPEND,
272 .size = SZ_256K,
273 },
274 [3] = {
275 .name = "reserved",
276 .offset = MTDPART_OFS_APPEND,
277 .size = SZ_256K + SZ_1M,
278 .mask_flags = MTD_WRITEABLE, /* force read-only */
279 },
280 [4] = {
281 .name = "kernel",
282 .offset = MTDPART_OFS_APPEND,
283 .size = SZ_4M,
284 },
285 [5] = {
286 .name = "fs",
287 .offset = MTDPART_OFS_APPEND,
288 .size = MTDPART_SIZ_FULL,
289 },
290};
291
292static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
293 .enable_arbiter = 1,
b3992b66 294 .keep_config = 1,
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295 .parts = cm_x300_nand_partitions,
296 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
297};
298
299static void __init cm_x300_init_nand(void)
300{
301 pxa3xx_set_nand_info(&cm_x300_nand_info);
302}
303#else
304static inline void cm_x300_init_nand(void) {}
305#endif
306
307#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
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308static struct pxamci_platform_data cm_x300_mci_platform_data = {
309 .detect_delay = 20,
310 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
311 .gpio_card_detect = GPIO82_MMC_IRQ,
312 .gpio_card_ro = GPIO85_MMC_WP,
313 .gpio_power = -1,
314};
315
316/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
cf75d8d2 317 no detection/ro pins */
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318static int cm_x300_mci2_init(struct device *dev,
319 irq_handler_t cm_x300_detect_int,
320 void *data)
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321{
322 return 0;
323}
324
0bff2fc3 325static void cm_x300_mci2_exit(struct device *dev, void *data)
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326{
327}
328
0bff2fc3 329static struct pxamci_platform_data cm_x300_mci2_platform_data = {
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330 .detect_delay = 20,
331 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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332 .init = cm_x300_mci2_init,
333 .exit = cm_x300_mci2_exit,
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334 .gpio_card_detect = -1,
335 .gpio_card_ro = -1,
336 .gpio_power = -1,
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337};
338
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339static void __init cm_x300_init_mmc(void)
340{
341 pxa_set_mci_info(&cm_x300_mci_platform_data);
342 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
343}
344#else
345static inline void cm_x300_init_mmc(void) {}
346#endif
347
348#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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349static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
350 .port_mode = PMM_PERPORT_MODE,
097b5334 351 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
cf75d8d2 352};
097b5334 353
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354static void __init cm_x300_init_ohci(void)
355{
356 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
357}
358#else
359static inline void cm_x300_init_ohci(void) {}
360#endif
361
362#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
363static struct gpio_led cm_x300_leds[] = {
364 [0] = {
365 .name = "cm-x300:green",
366 .default_trigger = "heartbeat",
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367 .active_low = 1,
368 },
369};
370
371static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
372 .num_leds = ARRAY_SIZE(cm_x300_leds),
373 .leds = cm_x300_leds,
374};
375
376static struct platform_device cm_x300_led_device = {
377 .name = "leds-gpio",
378 .id = -1,
379 .dev = {
380 .platform_data = &cm_x300_gpio_led_pdata,
381 },
382};
383
384static void __init cm_x300_init_leds(void)
385{
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386 if (system_rev < 130)
387 cm_x300_leds[0].gpio = 79;
388 else
389 cm_x300_leds[0].gpio = 76;
390
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391 platform_device_register(&cm_x300_led_device);
392}
393#else
394static inline void cm_x300_init_leds(void) {}
395#endif
396
397#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
398/* PCA9555 */
399static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
400 .gpio_base = 128,
401};
402
403static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
404 .gpio_base = 144,
405};
406
407static struct i2c_board_info cm_x300_gpio_ext_info[] = {
408 [0] = {
409 I2C_BOARD_INFO("pca9555", 0x24),
410 .platform_data = &cm_x300_gpio_ext_pdata_0,
411 },
412 [1] = {
413 I2C_BOARD_INFO("pca9555", 0x25),
414 .platform_data = &cm_x300_gpio_ext_pdata_1,
415 },
416};
417
418static void __init cm_x300_init_i2c(void)
419{
420 pxa_set_i2c_info(NULL);
421 i2c_register_board_info(0, cm_x300_gpio_ext_info,
422 ARRAY_SIZE(cm_x300_gpio_ext_info));
423}
424#else
425static inline void cm_x300_init_i2c(void) {}
426#endif
427
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428#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
429struct v3020_platform_data cm_x300_v3020_pdata = {
430 .use_gpio = 1,
431 .gpio_cs = GPIO95_RTC_CS,
432 .gpio_wr = GPIO96_RTC_WR,
433 .gpio_rd = GPIO97_RTC_RD,
434 .gpio_io = GPIO98_RTC_IO,
435};
436
437static struct platform_device cm_x300_rtc_device = {
438 .name = "v3020",
439 .id = -1,
440 .dev = {
441 .platform_data = &cm_x300_v3020_pdata,
442 }
443};
444
445static void __init cm_x300_init_rtc(void)
446{
447 platform_device_register(&cm_x300_rtc_device);
448}
449#else
450static inline void cm_x300_init_rtc(void) {}
451#endif
452
55052ea2 453static void __init cm_x300_init_mfp(void)
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454{
455 /* board-processor specific GPIO initialization */
456 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
457
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458 if (system_rev < 130)
459 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_rev_lt130_mfp_cfg));
460 else
461 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_rev_ge130_mfp_cfg));
462}
463
464static void __init cm_x300_init(void)
465{
466 cm_x300_init_mfp();
467
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468 pxa_set_ffuart_info(NULL);
469 pxa_set_btuart_info(NULL);
470 pxa_set_stuart_info(NULL);
471
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472 cm_x300_init_dm9000();
473 cm_x300_init_lcd();
474 cm_x300_init_ohci();
475 cm_x300_init_mmc();
476 cm_x300_init_nand();
477 cm_x300_init_leds();
478 cm_x300_init_i2c();
1858ced3 479 cm_x300_init_rtc();
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480}
481
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482static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
483 char **cmdline, struct meminfo *mi)
484{
485 mi->nr_banks = 2;
486 mi->bank[0].start = 0xa0000000;
487 mi->bank[0].node = 0;
488 mi->bank[0].size = (64*1024*1024);
489 mi->bank[1].start = 0xc0000000;
490 mi->bank[1].node = 0;
491 mi->bank[1].size = (64*1024*1024);
492}
493
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494MACHINE_START(CM_X300, "CM-X300 module")
495 .phys_io = 0x40000000,
496 .boot_params = 0xa0000100,
497 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
498 .map_io = pxa_map_io,
499 .init_irq = pxa3xx_init_irq,
500 .timer = &pxa_timer,
501 .init_machine = cm_x300_init,
b5a5c474 502 .fixup = cm_x300_fixup,
cf75d8d2 503MACHINE_END
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