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Mike Rapoportcf75d8d2008-08-26 14:03:44 +01001/*
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>
Mike Rapoport1858ced2009-06-04 10:44:52 +030024#include <linux/rtc-v3020.h>
Mike Rapoportcf75d8d2008-08-26 14:03:44 +010025
26#include <linux/i2c.h>
27#include <linux/i2c/pca953x.h>
28
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
Mike Rapoportb5a5c472009-06-04 10:44:54 +030031#include <asm/setup.h>
Mike Rapoportcf75d8d2008-08-26 14:03:44 +010032
Eric Miao51c62982009-01-02 23:17:22 +080033#include <mach/pxa300.h>
Mike Rapoportcf75d8d2008-08-26 14:03:44 +010034#include <mach/pxafb.h>
35#include <mach/mmc.h>
36#include <mach/ohci.h>
Eric Miaof0a83702009-04-13 15:03:11 +080037#include <plat/i2c.h>
Haojian Zhuang82b95ec2009-09-10 13:55:23 +080038#include <plat/pxa3xx_nand.h>
Mike Rapoportcf75d8d2008-08-26 14:03:44 +010039
40#include <asm/mach/map.h>
41
42#include "generic.h"
43
44#define CM_X300_ETH_PHYS 0x08000010
45
Mike Rapoport0bff2fc2009-10-15 10:11:09 +020046#define GPIO82_MMC_IRQ (82)
47#define GPIO85_MMC_WP (85)
Mike Rapoportcf75d8d2008-08-26 14:03:44 +010048
Mike Rapoport0bff2fc2009-10-15 10:11:09 +020049#define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ)
Mike Rapoportcf75d8d2008-08-26 14:03:44 +010050
Mike Rapoport1858ced2009-06-04 10:44:52 +030051#define GPIO95_RTC_CS (95)
52#define GPIO96_RTC_WR (96)
53#define GPIO97_RTC_RD (97)
54#define GPIO98_RTC_IO (98)
55
Mike Rapoportcf75d8d2008-08-26 14:03:44 +010056static 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 */
140 GPIO79_GPIO, /* LED */
141 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
142 GPIO85_GPIO, /* MMC WP */
143 GPIO99_GPIO, /* Ethernet IRQ */
Eric Miao6f584cf2008-11-28 16:00:24 +0800144
Mike Rapoport1858ced2009-06-04 10:44:52 +0300145 /* RTC GPIOs */
146 GPIO95_GPIO, /* RTC CS */
147 GPIO96_GPIO, /* RTC WR */
148 GPIO97_GPIO, /* RTC RD */
149 GPIO98_GPIO, /* RTC IO */
150
Eric Miao6f584cf2008-11-28 16:00:24 +0800151 /* Standard I2C */
152 GPIO21_I2C_SCL,
153 GPIO22_I2C_SDA,
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100154};
155
156#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
157static struct resource dm9000_resources[] = {
158 [0] = {
159 .start = CM_X300_ETH_PHYS,
160 .end = CM_X300_ETH_PHYS + 0x3,
161 .flags = IORESOURCE_MEM,
162 },
163 [1] = {
164 .start = CM_X300_ETH_PHYS + 0x4,
165 .end = CM_X300_ETH_PHYS + 0x4 + 500,
166 .flags = IORESOURCE_MEM,
167 },
168 [2] = {
169 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
170 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
171 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
172 }
173};
174
175static struct dm9000_plat_data cm_x300_dm9000_platdata = {
Mike Rapoportbff22c92009-02-23 18:01:12 +0200176 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100177};
178
179static struct platform_device dm9000_device = {
180 .name = "dm9000",
181 .id = 0,
182 .num_resources = ARRAY_SIZE(dm9000_resources),
183 .resource = dm9000_resources,
184 .dev = {
185 .platform_data = &cm_x300_dm9000_platdata,
186 }
187
188};
189
190static void __init cm_x300_init_dm9000(void)
191{
192 platform_device_register(&dm9000_device);
193}
194#else
195static inline void cm_x300_init_dm9000(void) {}
196#endif
197
198#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
199static struct pxafb_mode_info cm_x300_lcd_modes[] = {
200 [0] = {
201 .pixclock = 38000,
202 .bpp = 16,
203 .xres = 480,
204 .yres = 640,
205 .hsync_len = 8,
206 .vsync_len = 2,
207 .left_margin = 8,
208 .upper_margin = 0,
209 .right_margin = 24,
210 .lower_margin = 4,
211 .cmap_greyscale = 0,
212 },
213 [1] = {
214 .pixclock = 153800,
215 .bpp = 16,
216 .xres = 240,
217 .yres = 320,
218 .hsync_len = 8,
219 .vsync_len = 2,
220 .left_margin = 8,
221 .upper_margin = 2,
222 .right_margin = 88,
223 .lower_margin = 2,
224 .cmap_greyscale = 0,
225 },
226};
227
228static struct pxafb_mach_info cm_x300_lcd = {
229 .modes = cm_x300_lcd_modes,
230 .num_modes = 2,
231 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
232};
233
234static void __init cm_x300_init_lcd(void)
235{
236 set_pxa_fb_info(&cm_x300_lcd);
237}
238#else
239static inline void cm_x300_init_lcd(void) {}
240#endif
241
242#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
243static struct mtd_partition cm_x300_nand_partitions[] = {
244 [0] = {
245 .name = "OBM",
246 .offset = 0,
247 .size = SZ_256K,
248 .mask_flags = MTD_WRITEABLE, /* force read-only */
249 },
250 [1] = {
251 .name = "U-Boot",
252 .offset = MTDPART_OFS_APPEND,
253 .size = SZ_256K,
254 .mask_flags = MTD_WRITEABLE, /* force read-only */
255 },
256 [2] = {
257 .name = "Environment",
258 .offset = MTDPART_OFS_APPEND,
259 .size = SZ_256K,
260 },
261 [3] = {
262 .name = "reserved",
263 .offset = MTDPART_OFS_APPEND,
264 .size = SZ_256K + SZ_1M,
265 .mask_flags = MTD_WRITEABLE, /* force read-only */
266 },
267 [4] = {
268 .name = "kernel",
269 .offset = MTDPART_OFS_APPEND,
270 .size = SZ_4M,
271 },
272 [5] = {
273 .name = "fs",
274 .offset = MTDPART_OFS_APPEND,
275 .size = MTDPART_SIZ_FULL,
276 },
277};
278
279static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
280 .enable_arbiter = 1,
Mike Rapoportb3992b62009-06-04 10:44:51 +0300281 .keep_config = 1,
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100282 .parts = cm_x300_nand_partitions,
283 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
284};
285
286static void __init cm_x300_init_nand(void)
287{
288 pxa3xx_set_nand_info(&cm_x300_nand_info);
289}
290#else
291static inline void cm_x300_init_nand(void) {}
292#endif
293
294#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
Mike Rapoport0bff2fc2009-10-15 10:11:09 +0200295static struct pxamci_platform_data cm_x300_mci_platform_data = {
296 .detect_delay = 20,
297 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
298 .gpio_card_detect = GPIO82_MMC_IRQ,
299 .gpio_card_ro = GPIO85_MMC_WP,
300 .gpio_power = -1,
301};
302
303/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100304 no detection/ro pins */
Mike Rapoport0bff2fc2009-10-15 10:11:09 +0200305static int cm_x300_mci2_init(struct device *dev,
306 irq_handler_t cm_x300_detect_int,
307 void *data)
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100308{
309 return 0;
310}
311
Mike Rapoport0bff2fc2009-10-15 10:11:09 +0200312static void cm_x300_mci2_exit(struct device *dev, void *data)
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100313{
314}
315
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100316static struct pxamci_platform_data cm_x300_mci2_platform_data = {
Robert Jarzmik7a648252009-07-06 22:16:42 +0200317 .detect_delay = 20,
318 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
Mike Rapoport0bff2fc2009-10-15 10:11:09 +0200319 .init = cm_x300_mci2_init,
320 .exit = cm_x300_mci2_exit,
321 .gpio_card_detect = -1,
322 .gpio_card_ro = -1,
Robert Jarzmik7a648252009-07-06 22:16:42 +0200323 .gpio_power = -1,
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100324};
325
326static void __init cm_x300_init_mmc(void)
327{
328 pxa_set_mci_info(&cm_x300_mci_platform_data);
329 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
330}
331#else
332static inline void cm_x300_init_mmc(void) {}
333#endif
334
335#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100336static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
337 .port_mode = PMM_PERPORT_MODE,
Eric Miao097b5332008-09-27 15:49:57 +0800338 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100339};
Eric Miao097b5332008-09-27 15:49:57 +0800340
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100341static void __init cm_x300_init_ohci(void)
342{
343 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
344}
345#else
346static inline void cm_x300_init_ohci(void) {}
347#endif
348
349#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
350static struct gpio_led cm_x300_leds[] = {
351 [0] = {
352 .name = "cm-x300:green",
353 .default_trigger = "heartbeat",
354 .gpio = 79,
355 .active_low = 1,
356 },
357};
358
359static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
360 .num_leds = ARRAY_SIZE(cm_x300_leds),
361 .leds = cm_x300_leds,
362};
363
364static struct platform_device cm_x300_led_device = {
365 .name = "leds-gpio",
366 .id = -1,
367 .dev = {
368 .platform_data = &cm_x300_gpio_led_pdata,
369 },
370};
371
372static void __init cm_x300_init_leds(void)
373{
374 platform_device_register(&cm_x300_led_device);
375}
376#else
377static inline void cm_x300_init_leds(void) {}
378#endif
379
380#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
381/* PCA9555 */
382static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
383 .gpio_base = 128,
384};
385
386static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
387 .gpio_base = 144,
388};
389
390static struct i2c_board_info cm_x300_gpio_ext_info[] = {
391 [0] = {
392 I2C_BOARD_INFO("pca9555", 0x24),
393 .platform_data = &cm_x300_gpio_ext_pdata_0,
394 },
395 [1] = {
396 I2C_BOARD_INFO("pca9555", 0x25),
397 .platform_data = &cm_x300_gpio_ext_pdata_1,
398 },
399};
400
401static void __init cm_x300_init_i2c(void)
402{
403 pxa_set_i2c_info(NULL);
404 i2c_register_board_info(0, cm_x300_gpio_ext_info,
405 ARRAY_SIZE(cm_x300_gpio_ext_info));
406}
407#else
408static inline void cm_x300_init_i2c(void) {}
409#endif
410
Mike Rapoport1858ced2009-06-04 10:44:52 +0300411#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
412struct v3020_platform_data cm_x300_v3020_pdata = {
413 .use_gpio = 1,
414 .gpio_cs = GPIO95_RTC_CS,
415 .gpio_wr = GPIO96_RTC_WR,
416 .gpio_rd = GPIO97_RTC_RD,
417 .gpio_io = GPIO98_RTC_IO,
418};
419
420static struct platform_device cm_x300_rtc_device = {
421 .name = "v3020",
422 .id = -1,
423 .dev = {
424 .platform_data = &cm_x300_v3020_pdata,
425 }
426};
427
428static void __init cm_x300_init_rtc(void)
429{
430 platform_device_register(&cm_x300_rtc_device);
431}
432#else
433static inline void cm_x300_init_rtc(void) {}
434#endif
435
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100436static void __init cm_x300_init(void)
437{
438 /* board-processor specific GPIO initialization */
439 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
440
Russell Kingcc155c62009-11-09 13:34:08 +0800441 pxa_set_ffuart_info(NULL);
442 pxa_set_btuart_info(NULL);
443 pxa_set_stuart_info(NULL);
444
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100445 cm_x300_init_dm9000();
446 cm_x300_init_lcd();
447 cm_x300_init_ohci();
448 cm_x300_init_mmc();
449 cm_x300_init_nand();
450 cm_x300_init_leds();
451 cm_x300_init_i2c();
Mike Rapoport1858ced2009-06-04 10:44:52 +0300452 cm_x300_init_rtc();
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100453}
454
Mike Rapoportb5a5c472009-06-04 10:44:54 +0300455static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
456 char **cmdline, struct meminfo *mi)
457{
458 mi->nr_banks = 2;
459 mi->bank[0].start = 0xa0000000;
460 mi->bank[0].node = 0;
461 mi->bank[0].size = (64*1024*1024);
462 mi->bank[1].start = 0xc0000000;
463 mi->bank[1].node = 0;
464 mi->bank[1].size = (64*1024*1024);
465}
466
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100467MACHINE_START(CM_X300, "CM-X300 module")
468 .phys_io = 0x40000000,
469 .boot_params = 0xa0000100,
470 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
471 .map_io = pxa_map_io,
472 .init_irq = pxa3xx_init_irq,
473 .timer = &pxa_timer,
474 .init_machine = cm_x300_init,
Mike Rapoportb5a5c472009-06-04 10:44:54 +0300475 .fixup = cm_x300_fixup,
Mike Rapoportcf75d8d2008-08-26 14:03:44 +0100476MACHINE_END