Linux 2.6.31.8
[linux/fpc-iii.git] / arch / arm / mach-pxa / corgi.c
blob5363e1aea3fb1cd2ab63bd7d704ad650954ac20d
1 /*
2 * Support for Sharp SL-C7xx PDAs
3 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
5 * Copyright (c) 2004-2005 Richard Purdie
7 * Based on Sharp's 2.4 kernel patches/lubbock.c
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.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/major.h>
19 #include <linux/fs.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
22 #include <linux/mtd/physmap.h>
23 #include <linux/pm.h>
24 #include <linux/gpio.h>
25 #include <linux/backlight.h>
26 #include <linux/i2c.h>
27 #include <linux/io.h>
28 #include <linux/spi/spi.h>
29 #include <linux/spi/ads7846.h>
30 #include <linux/spi/corgi_lcd.h>
31 #include <linux/mtd/sharpsl.h>
32 #include <video/w100fb.h>
34 #include <asm/setup.h>
35 #include <asm/memory.h>
36 #include <asm/mach-types.h>
37 #include <mach/hardware.h>
38 #include <asm/irq.h>
39 #include <asm/system.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
45 #include <mach/pxa25x.h>
46 #include <plat/i2c.h>
47 #include <mach/irda.h>
48 #include <mach/mmc.h>
49 #include <mach/udc.h>
50 #include <mach/pxa2xx_spi.h>
51 #include <mach/corgi.h>
52 #include <mach/sharpsl.h>
54 #include <asm/mach/sharpsl_param.h>
55 #include <asm/hardware/scoop.h>
57 #include "generic.h"
58 #include "devices.h"
59 #include "sharpsl.h"
61 static unsigned long corgi_pin_config[] __initdata = {
62 /* Static Memory I/O */
63 GPIO78_nCS_2, /* w100fb */
64 GPIO80_nCS_4, /* scoop */
66 /* SSP1 */
67 GPIO23_SSP1_SCLK,
68 GPIO25_SSP1_TXD,
69 GPIO26_SSP1_RXD,
70 GPIO24_GPIO, /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
72 /* I2S */
73 GPIO28_I2S_BITCLK_OUT,
74 GPIO29_I2S_SDATA_IN,
75 GPIO30_I2S_SDATA_OUT,
76 GPIO31_I2S_SYNC,
77 GPIO32_I2S_SYSCLK,
79 /* Infra-Red */
80 GPIO47_FICP_TXD,
81 GPIO46_FICP_RXD,
83 /* FFUART */
84 GPIO40_FFUART_DTR,
85 GPIO41_FFUART_RTS,
86 GPIO39_FFUART_TXD,
87 GPIO37_FFUART_DSR,
88 GPIO34_FFUART_RXD,
89 GPIO35_FFUART_CTS,
91 /* PC Card */
92 GPIO48_nPOE,
93 GPIO49_nPWE,
94 GPIO50_nPIOR,
95 GPIO51_nPIOW,
96 GPIO52_nPCE_1,
97 GPIO53_nPCE_2,
98 GPIO54_nPSKTSEL,
99 GPIO55_nPREG,
100 GPIO56_nPWAIT,
101 GPIO57_nIOIS16,
103 /* MMC */
104 GPIO6_MMC_CLK,
105 GPIO8_MMC_CS0,
107 /* GPIO */
108 GPIO9_GPIO, /* CORGI_GPIO_nSD_DETECT */
109 GPIO7_GPIO, /* CORGI_GPIO_nSD_WP */
110 GPIO33_GPIO, /* CORGI_GPIO_SD_PWR */
111 GPIO22_GPIO, /* CORGI_GPIO_IR_ON */
112 GPIO44_GPIO, /* CORGI_GPIO_HSYNC */
114 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
118 * Corgi SCOOP Device
120 static struct resource corgi_scoop_resources[] = {
121 [0] = {
122 .start = 0x10800000,
123 .end = 0x10800fff,
124 .flags = IORESOURCE_MEM,
128 static struct scoop_config corgi_scoop_setup = {
129 .io_dir = CORGI_SCOOP_IO_DIR,
130 .io_out = CORGI_SCOOP_IO_OUT,
131 .gpio_base = CORGI_SCOOP_GPIO_BASE,
134 struct platform_device corgiscoop_device = {
135 .name = "sharp-scoop",
136 .id = -1,
137 .dev = {
138 .platform_data = &corgi_scoop_setup,
140 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
141 .resource = corgi_scoop_resources,
144 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
146 .dev = &corgiscoop_device.dev,
147 .irq = CORGI_IRQ_GPIO_CF_IRQ,
148 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
149 .cd_irq_str = "PCMCIA0 CD",
153 static struct scoop_pcmcia_config corgi_pcmcia_config = {
154 .devs = &corgi_pcmcia_scoop[0],
155 .num_devs = 1,
158 EXPORT_SYMBOL(corgiscoop_device);
160 static struct w100_mem_info corgi_fb_mem = {
161 .ext_cntl = 0x00040003,
162 .sdram_mode_reg = 0x00650021,
163 .ext_timing_cntl = 0x10002a4a,
164 .io_cntl = 0x7ff87012,
165 .size = 0x1fffff,
168 static struct w100_gen_regs corgi_fb_regs = {
169 .lcd_format = 0x00000003,
170 .lcdd_cntl1 = 0x01CC0000,
171 .lcdd_cntl2 = 0x0003FFFF,
172 .genlcd_cntl1 = 0x00FFFF0D,
173 .genlcd_cntl2 = 0x003F3003,
174 .genlcd_cntl3 = 0x000102aa,
177 static struct w100_gpio_regs corgi_fb_gpio = {
178 .init_data1 = 0x000000bf,
179 .init_data2 = 0x00000000,
180 .gpio_dir1 = 0x00000000,
181 .gpio_oe1 = 0x03c0feff,
182 .gpio_dir2 = 0x00000000,
183 .gpio_oe2 = 0x00000000,
186 static struct w100_mode corgi_fb_modes[] = {
188 .xres = 480,
189 .yres = 640,
190 .left_margin = 0x56,
191 .right_margin = 0x55,
192 .upper_margin = 0x03,
193 .lower_margin = 0x00,
194 .crtc_ss = 0x82360056,
195 .crtc_ls = 0xA0280000,
196 .crtc_gs = 0x80280028,
197 .crtc_vpos_gs = 0x02830002,
198 .crtc_rev = 0x00400008,
199 .crtc_dclk = 0xA0000000,
200 .crtc_gclk = 0x8015010F,
201 .crtc_goe = 0x80100110,
202 .crtc_ps1_active = 0x41060010,
203 .pll_freq = 75,
204 .fast_pll_freq = 100,
205 .sysclk_src = CLK_SRC_PLL,
206 .sysclk_divider = 0,
207 .pixclk_src = CLK_SRC_PLL,
208 .pixclk_divider = 2,
209 .pixclk_divider_rotated = 6,
211 .xres = 240,
212 .yres = 320,
213 .left_margin = 0x27,
214 .right_margin = 0x2e,
215 .upper_margin = 0x01,
216 .lower_margin = 0x00,
217 .crtc_ss = 0x81170027,
218 .crtc_ls = 0xA0140000,
219 .crtc_gs = 0xC0140014,
220 .crtc_vpos_gs = 0x00010141,
221 .crtc_rev = 0x00400008,
222 .crtc_dclk = 0xA0000000,
223 .crtc_gclk = 0x8015010F,
224 .crtc_goe = 0x80100110,
225 .crtc_ps1_active = 0x41060010,
226 .pll_freq = 0,
227 .fast_pll_freq = 0,
228 .sysclk_src = CLK_SRC_XTAL,
229 .sysclk_divider = 0,
230 .pixclk_src = CLK_SRC_XTAL,
231 .pixclk_divider = 1,
232 .pixclk_divider_rotated = 1,
237 static struct w100fb_mach_info corgi_fb_info = {
238 .init_mode = INIT_MODE_ROTATED,
239 .mem = &corgi_fb_mem,
240 .regs = &corgi_fb_regs,
241 .modelist = &corgi_fb_modes[0],
242 .num_modes = 2,
243 .gpio = &corgi_fb_gpio,
244 .xtal_freq = 12500000,
245 .xtal_dbl = 0,
248 static struct resource corgi_fb_resources[] = {
249 [0] = {
250 .start = 0x08000000,
251 .end = 0x08ffffff,
252 .flags = IORESOURCE_MEM,
256 static struct platform_device corgifb_device = {
257 .name = "w100fb",
258 .id = -1,
259 .num_resources = ARRAY_SIZE(corgi_fb_resources),
260 .resource = corgi_fb_resources,
261 .dev = {
262 .platform_data = &corgi_fb_info,
268 * Corgi Keyboard Device
270 static struct platform_device corgikbd_device = {
271 .name = "corgi-keyboard",
272 .id = -1,
276 * Corgi LEDs
278 static struct gpio_led corgi_gpio_leds[] = {
280 .name = "corgi:amber:charge",
281 .default_trigger = "sharpsl-charge",
282 .gpio = CORGI_GPIO_LED_ORANGE,
285 .name = "corgi:green:mail",
286 .default_trigger = "nand-disk",
287 .gpio = CORGI_GPIO_LED_GREEN,
291 static struct gpio_led_platform_data corgi_gpio_leds_info = {
292 .leds = corgi_gpio_leds,
293 .num_leds = ARRAY_SIZE(corgi_gpio_leds),
296 static struct platform_device corgiled_device = {
297 .name = "leds-gpio",
298 .id = -1,
299 .dev = {
300 .platform_data = &corgi_gpio_leds_info,
305 * MMC/SD Device
307 * The card detect interrupt isn't debounced so we delay it by 250ms
308 * to give the card a chance to fully insert/eject.
310 static struct pxamci_platform_data corgi_mci_platform_data;
312 static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
314 int err;
316 err = gpio_request(CORGI_GPIO_nSD_DETECT, "nSD_DETECT");
317 if (err)
318 goto err_out;
320 err = gpio_request(CORGI_GPIO_nSD_WP, "nSD_WP");
321 if (err)
322 goto err_free_1;
324 err = gpio_request(CORGI_GPIO_SD_PWR, "SD_PWR");
325 if (err)
326 goto err_free_2;
328 gpio_direction_input(CORGI_GPIO_nSD_DETECT);
329 gpio_direction_input(CORGI_GPIO_nSD_WP);
330 gpio_direction_output(CORGI_GPIO_SD_PWR, 0);
332 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
334 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
335 IRQF_DISABLED | IRQF_TRIGGER_RISING |
336 IRQF_TRIGGER_FALLING,
337 "MMC card detect", data);
338 if (err) {
339 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
340 __func__);
341 goto err_free_3;
343 return 0;
345 err_free_3:
346 gpio_free(CORGI_GPIO_SD_PWR);
347 err_free_2:
348 gpio_free(CORGI_GPIO_nSD_WP);
349 err_free_1:
350 gpio_free(CORGI_GPIO_nSD_DETECT);
351 err_out:
352 return err;
355 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
357 struct pxamci_platform_data* p_d = dev->platform_data;
359 gpio_set_value(CORGI_GPIO_SD_PWR, ((1 << vdd) & p_d->ocr_mask));
362 static int corgi_mci_get_ro(struct device *dev)
364 return gpio_get_value(CORGI_GPIO_nSD_WP);
367 static void corgi_mci_exit(struct device *dev, void *data)
369 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
370 gpio_free(CORGI_GPIO_SD_PWR);
371 gpio_free(CORGI_GPIO_nSD_WP);
372 gpio_free(CORGI_GPIO_nSD_DETECT);
375 static struct pxamci_platform_data corgi_mci_platform_data = {
376 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
377 .init = corgi_mci_init,
378 .get_ro = corgi_mci_get_ro,
379 .setpower = corgi_mci_setpower,
380 .exit = corgi_mci_exit,
385 * Irda
387 static void corgi_irda_transceiver_mode(struct device *dev, int mode)
389 gpio_set_value(CORGI_GPIO_IR_ON, mode & IR_OFF);
390 pxa2xx_transceiver_mode(dev, mode);
393 static int corgi_irda_startup(struct device *dev)
395 int err;
397 err = gpio_request(CORGI_GPIO_IR_ON, "IR_ON");
398 if (err)
399 return err;
401 gpio_direction_output(CORGI_GPIO_IR_ON, 1);
402 return 0;
405 static void corgi_irda_shutdown(struct device *dev)
407 gpio_free(CORGI_GPIO_IR_ON);
410 static struct pxaficp_platform_data corgi_ficp_platform_data = {
411 .transceiver_cap = IR_SIRMODE | IR_OFF,
412 .transceiver_mode = corgi_irda_transceiver_mode,
413 .startup = corgi_irda_startup,
414 .shutdown = corgi_irda_shutdown,
419 * USB Device Controller
421 static struct pxa2xx_udc_mach_info udc_info __initdata = {
422 /* no connect GPIO; corgi can't tell connection status */
423 .gpio_pullup = CORGI_GPIO_USB_PULLUP,
426 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER)
427 static struct pxa2xx_spi_master corgi_spi_info = {
428 .num_chipselect = 3,
431 static void corgi_wait_for_hsync(void)
433 while (gpio_get_value(CORGI_GPIO_HSYNC))
434 cpu_relax();
436 while (!gpio_get_value(CORGI_GPIO_HSYNC))
437 cpu_relax();
440 static struct ads7846_platform_data corgi_ads7846_info = {
441 .model = 7846,
442 .vref_delay_usecs = 100,
443 .x_plate_ohms = 419,
444 .y_plate_ohms = 486,
445 .gpio_pendown = CORGI_GPIO_TP_INT,
446 .wait_for_sync = corgi_wait_for_hsync,
449 static struct pxa2xx_spi_chip corgi_ads7846_chip = {
450 .gpio_cs = CORGI_GPIO_ADS7846_CS,
453 static void corgi_bl_kick_battery(void)
455 void (*kick_batt)(void);
457 kick_batt = symbol_get(sharpsl_battery_kick);
458 if (kick_batt) {
459 kick_batt();
460 symbol_put(sharpsl_battery_kick);
464 static struct corgi_lcd_platform_data corgi_lcdcon_info = {
465 .init_mode = CORGI_LCD_MODE_VGA,
466 .max_intensity = 0x2f,
467 .default_intensity = 0x1f,
468 .limit_mask = 0x0b,
469 .gpio_backlight_cont = CORGI_GPIO_BACKLIGHT_CONT,
470 .gpio_backlight_on = -1,
471 .kick_battery = corgi_bl_kick_battery,
474 static struct pxa2xx_spi_chip corgi_lcdcon_chip = {
475 .gpio_cs = CORGI_GPIO_LCDCON_CS,
478 static struct pxa2xx_spi_chip corgi_max1111_chip = {
479 .gpio_cs = CORGI_GPIO_MAX1111_CS,
482 static struct spi_board_info corgi_spi_devices[] = {
484 .modalias = "ads7846",
485 .max_speed_hz = 1200000,
486 .bus_num = 1,
487 .chip_select = 0,
488 .platform_data = &corgi_ads7846_info,
489 .controller_data= &corgi_ads7846_chip,
490 .irq = gpio_to_irq(CORGI_GPIO_TP_INT),
491 }, {
492 .modalias = "corgi-lcd",
493 .max_speed_hz = 50000,
494 .bus_num = 1,
495 .chip_select = 1,
496 .platform_data = &corgi_lcdcon_info,
497 .controller_data= &corgi_lcdcon_chip,
498 }, {
499 .modalias = "max1111",
500 .max_speed_hz = 450000,
501 .bus_num = 1,
502 .chip_select = 2,
503 .controller_data= &corgi_max1111_chip,
507 static void __init corgi_init_spi(void)
509 pxa2xx_set_spi_info(1, &corgi_spi_info);
510 spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
512 #else
513 static inline void corgi_init_spi(void) {}
514 #endif
516 static struct mtd_partition sharpsl_nand_partitions[] = {
518 .name = "System Area",
519 .offset = 0,
520 .size = 7 * 1024 * 1024,
523 .name = "Root Filesystem",
524 .offset = 7 * 1024 * 1024,
525 .size = 25 * 1024 * 1024,
528 .name = "Home Filesystem",
529 .offset = MTDPART_OFS_APPEND,
530 .size = MTDPART_SIZ_FULL,
534 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
536 static struct nand_bbt_descr sharpsl_bbt = {
537 .options = 0,
538 .offs = 4,
539 .len = 2,
540 .pattern = scan_ff_pattern
543 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
544 .badblock_pattern = &sharpsl_bbt,
545 .partitions = sharpsl_nand_partitions,
546 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
549 static struct resource sharpsl_nand_resources[] = {
551 .start = 0x0C000000,
552 .end = 0x0C000FFF,
553 .flags = IORESOURCE_MEM,
557 static struct platform_device sharpsl_nand_device = {
558 .name = "sharpsl-nand",
559 .id = -1,
560 .resource = sharpsl_nand_resources,
561 .num_resources = ARRAY_SIZE(sharpsl_nand_resources),
562 .dev.platform_data = &sharpsl_nand_platform_data,
565 static struct mtd_partition sharpsl_rom_parts[] = {
567 .name ="Boot PROM Filesystem",
568 .offset = 0x00120000,
569 .size = MTDPART_SIZ_FULL,
573 static struct physmap_flash_data sharpsl_rom_data = {
574 .width = 2,
575 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
576 .parts = sharpsl_rom_parts,
579 static struct resource sharpsl_rom_resources[] = {
581 .start = 0x00000000,
582 .end = 0x007fffff,
583 .flags = IORESOURCE_MEM,
587 static struct platform_device sharpsl_rom_device = {
588 .name = "physmap-flash",
589 .id = -1,
590 .resource = sharpsl_rom_resources,
591 .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
592 .dev.platform_data = &sharpsl_rom_data,
595 static struct platform_device *devices[] __initdata = {
596 &corgiscoop_device,
597 &corgifb_device,
598 &corgikbd_device,
599 &corgiled_device,
600 &sharpsl_nand_device,
601 &sharpsl_rom_device,
604 static struct i2c_board_info __initdata corgi_i2c_devices[] = {
605 { I2C_BOARD_INFO("wm8731", 0x1b) },
608 static void corgi_poweroff(void)
610 if (!machine_is_corgi())
611 /* Green LED off tells the bootloader to halt */
612 gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
614 arm_machine_restart('h', NULL);
617 static void corgi_restart(char mode, const char *cmd)
619 if (!machine_is_corgi())
620 /* Green LED on tells the bootloader to reboot */
621 gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
623 arm_machine_restart('h', cmd);
626 static void __init corgi_init(void)
628 pm_power_off = corgi_poweroff;
629 arm_pm_restart = corgi_restart;
631 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
632 PCFR |= PCFR_OPDE;
634 pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
636 corgi_init_spi();
638 pxa_set_udc_info(&udc_info);
639 pxa_set_mci_info(&corgi_mci_platform_data);
640 pxa_set_ficp_info(&corgi_ficp_platform_data);
641 pxa_set_i2c_info(NULL);
642 i2c_register_board_info(0, ARRAY_AND_SIZE(corgi_i2c_devices));
644 platform_scoop_config = &corgi_pcmcia_config;
646 if (machine_is_husky())
647 sharpsl_nand_partitions[1].size = 53 * 1024 * 1024;
649 platform_add_devices(devices, ARRAY_SIZE(devices));
652 static void __init fixup_corgi(struct machine_desc *desc,
653 struct tag *tags, char **cmdline, struct meminfo *mi)
655 sharpsl_save_param();
656 mi->nr_banks=1;
657 mi->bank[0].start = 0xa0000000;
658 mi->bank[0].node = 0;
659 if (machine_is_corgi())
660 mi->bank[0].size = (32*1024*1024);
661 else
662 mi->bank[0].size = (64*1024*1024);
665 #ifdef CONFIG_MACH_CORGI
666 MACHINE_START(CORGI, "SHARP Corgi")
667 .phys_io = 0x40000000,
668 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
669 .fixup = fixup_corgi,
670 .map_io = pxa_map_io,
671 .init_irq = pxa25x_init_irq,
672 .init_machine = corgi_init,
673 .timer = &pxa_timer,
674 MACHINE_END
675 #endif
677 #ifdef CONFIG_MACH_SHEPHERD
678 MACHINE_START(SHEPHERD, "SHARP Shepherd")
679 .phys_io = 0x40000000,
680 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
681 .fixup = fixup_corgi,
682 .map_io = pxa_map_io,
683 .init_irq = pxa25x_init_irq,
684 .init_machine = corgi_init,
685 .timer = &pxa_timer,
686 MACHINE_END
687 #endif
689 #ifdef CONFIG_MACH_HUSKY
690 MACHINE_START(HUSKY, "SHARP Husky")
691 .phys_io = 0x40000000,
692 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
693 .fixup = fixup_corgi,
694 .map_io = pxa_map_io,
695 .init_irq = pxa25x_init_irq,
696 .init_machine = corgi_init,
697 .timer = &pxa_timer,
698 MACHINE_END
699 #endif