2 * linux/arch/arm/mach-pxa/cm-x300.c
4 * Support for the CompuLab CM-X300 modules
6 * Copyright (C) 2008 CompuLab Ltd.
8 * Mike Rapoport <mike@compulab.co.il>
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.
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>
21 #include <linux/gpio.h>
22 #include <linux/dm9000.h>
23 #include <linux/leds.h>
24 #include <linux/rtc-v3020.h>
26 #include <linux/i2c.h>
27 #include <linux/i2c/pca953x.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/setup.h>
33 #include <mach/pxa300.h>
34 #include <mach/pxafb.h>
36 #include <mach/ohci.h>
38 #include <mach/pxa3xx_nand.h>
40 #include <asm/mach/map.h>
44 #define CM_X300_ETH_PHYS 0x08000010
46 #define GPIO82_MMC2_IRQ (82)
47 #define GPIO85_MMC2_WP (85)
49 #define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ)
51 #define GPIO95_RTC_CS (95)
52 #define GPIO96_RTC_WR (96)
53 #define GPIO97_RTC_RD (97)
54 #define GPIO98_RTC_IO (98)
56 static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
81 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
83 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
87 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
93 GPIO25_AC97_SDATA_IN_0,
94 GPIO27_AC97_SDATA_OUT,
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,
115 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
119 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
123 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
130 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
135 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
140 GPIO79_GPIO, /* LED */
141 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
142 GPIO85_GPIO, /* MMC WP */
143 GPIO99_GPIO, /* Ethernet IRQ */
146 GPIO95_GPIO, /* RTC CS */
147 GPIO96_GPIO, /* RTC WR */
148 GPIO97_GPIO, /* RTC RD */
149 GPIO98_GPIO, /* RTC IO */
156 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
157 static struct resource dm9000_resources[] = {
159 .start = CM_X300_ETH_PHYS,
160 .end = CM_X300_ETH_PHYS + 0x3,
161 .flags = IORESOURCE_MEM,
164 .start = CM_X300_ETH_PHYS + 0x4,
165 .end = CM_X300_ETH_PHYS + 0x4 + 500,
166 .flags = IORESOURCE_MEM,
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,
175 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
176 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
179 static struct platform_device dm9000_device = {
182 .num_resources = ARRAY_SIZE(dm9000_resources),
183 .resource = dm9000_resources,
185 .platform_data = &cm_x300_dm9000_platdata,
190 static void __init cm_x300_init_dm9000(void)
192 platform_device_register(&dm9000_device);
195 static inline void cm_x300_init_dm9000(void) {}
198 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
199 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
228 static struct pxafb_mach_info cm_x300_lcd = {
229 .modes = cm_x300_lcd_modes,
231 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
234 static void __init cm_x300_init_lcd(void)
236 set_pxa_fb_info(&cm_x300_lcd);
239 static inline void cm_x300_init_lcd(void) {}
242 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
243 static struct mtd_partition cm_x300_nand_partitions[] = {
248 .mask_flags = MTD_WRITEABLE, /* force read-only */
252 .offset = MTDPART_OFS_APPEND,
254 .mask_flags = MTD_WRITEABLE, /* force read-only */
257 .name = "Environment",
258 .offset = MTDPART_OFS_APPEND,
263 .offset = MTDPART_OFS_APPEND,
264 .size = SZ_256K + SZ_1M,
265 .mask_flags = MTD_WRITEABLE, /* force read-only */
269 .offset = MTDPART_OFS_APPEND,
274 .offset = MTDPART_OFS_APPEND,
275 .size = MTDPART_SIZ_FULL,
279 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
282 .parts = cm_x300_nand_partitions,
283 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
286 static void __init cm_x300_init_nand(void)
288 pxa3xx_set_nand_info(&cm_x300_nand_info);
291 static inline void cm_x300_init_nand(void) {}
294 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
295 /* The first MMC slot of CM-X300 is hardwired to Libertas card and has
296 no detection/ro pins */
297 static int cm_x300_mci_init(struct device *dev,
298 irq_handler_t cm_x300_detect_int,
304 static void cm_x300_mci_exit(struct device *dev, void *data)
308 static struct pxamci_platform_data cm_x300_mci_platform_data = {
310 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
311 .init = cm_x300_mci_init,
312 .exit = cm_x300_mci_exit,
313 .gpio_card_detect = -1,
318 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
320 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
321 .gpio_card_detect = GPIO82_MMC2_IRQ,
322 .gpio_card_ro = GPIO85_MMC2_WP,
326 static void __init cm_x300_init_mmc(void)
328 pxa_set_mci_info(&cm_x300_mci_platform_data);
329 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
332 static inline void cm_x300_init_mmc(void) {}
335 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
336 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
337 .port_mode = PMM_PERPORT_MODE,
338 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
341 static void __init cm_x300_init_ohci(void)
343 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
346 static inline void cm_x300_init_ohci(void) {}
349 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
350 static struct gpio_led cm_x300_leds[] = {
352 .name = "cm-x300:green",
353 .default_trigger = "heartbeat",
359 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
360 .num_leds = ARRAY_SIZE(cm_x300_leds),
361 .leds = cm_x300_leds,
364 static struct platform_device cm_x300_led_device = {
368 .platform_data = &cm_x300_gpio_led_pdata,
372 static void __init cm_x300_init_leds(void)
374 platform_device_register(&cm_x300_led_device);
377 static inline void cm_x300_init_leds(void) {}
380 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
382 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
386 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
390 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
392 I2C_BOARD_INFO("pca9555", 0x24),
393 .platform_data = &cm_x300_gpio_ext_pdata_0,
396 I2C_BOARD_INFO("pca9555", 0x25),
397 .platform_data = &cm_x300_gpio_ext_pdata_1,
401 static void __init cm_x300_init_i2c(void)
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));
408 static inline void cm_x300_init_i2c(void) {}
411 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
412 struct v3020_platform_data cm_x300_v3020_pdata = {
414 .gpio_cs = GPIO95_RTC_CS,
415 .gpio_wr = GPIO96_RTC_WR,
416 .gpio_rd = GPIO97_RTC_RD,
417 .gpio_io = GPIO98_RTC_IO,
420 static struct platform_device cm_x300_rtc_device = {
424 .platform_data = &cm_x300_v3020_pdata,
428 static void __init cm_x300_init_rtc(void)
430 platform_device_register(&cm_x300_rtc_device);
433 static inline void cm_x300_init_rtc(void) {}
436 static void __init cm_x300_init(void)
438 /* board-processor specific GPIO initialization */
439 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
441 cm_x300_init_dm9000();
451 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
452 char **cmdline, struct meminfo *mi)
455 mi->bank[0].start = 0xa0000000;
456 mi->bank[0].node = 0;
457 mi->bank[0].size = (64*1024*1024);
458 mi->bank[1].start = 0xc0000000;
459 mi->bank[1].node = 0;
460 mi->bank[1].size = (64*1024*1024);
463 MACHINE_START(CM_X300, "CM-X300 module")
464 .phys_io = 0x40000000,
465 .boot_params = 0xa0000100,
466 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
467 .map_io = pxa_map_io,
468 .init_irq = pxa3xx_init_irq,
470 .init_machine = cm_x300_init,
471 .fixup = cm_x300_fixup,