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>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
22 #include <linux/mtd/physmap.h>
24 #include <linux/gpio.h>
25 #include <linux/backlight.h>
26 #include <linux/i2c.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>
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>
47 #include <mach/irda.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>
61 static unsigned long corgi_pin_config
[] __initdata
= {
62 /* Static Memory I/O */
63 GPIO78_nCS_2
, /* w100fb */
64 GPIO80_nCS_4
, /* scoop */
70 GPIO24_GPIO
, /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
73 GPIO28_I2S_BITCLK_OUT
,
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
,
120 static struct resource corgi_scoop_resources
[] = {
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",
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],
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,
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
[] = {
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,
204 .fast_pll_freq
= 100,
205 .sysclk_src
= CLK_SRC_PLL
,
207 .pixclk_src
= CLK_SRC_PLL
,
209 .pixclk_divider_rotated
= 6,
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,
228 .sysclk_src
= CLK_SRC_XTAL
,
230 .pixclk_src
= CLK_SRC_XTAL
,
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],
243 .gpio
= &corgi_fb_gpio
,
244 .xtal_freq
= 12500000,
248 static struct resource corgi_fb_resources
[] = {
252 .flags
= IORESOURCE_MEM
,
256 static struct platform_device corgifb_device
= {
259 .num_resources
= ARRAY_SIZE(corgi_fb_resources
),
260 .resource
= corgi_fb_resources
,
262 .platform_data
= &corgi_fb_info
,
268 * Corgi Keyboard Device
270 static struct platform_device corgikbd_device
= {
271 .name
= "corgi-keyboard",
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
= {
300 .platform_data
= &corgi_gpio_leds_info
,
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
)
316 err
= gpio_request(CORGI_GPIO_nSD_DETECT
, "nSD_DETECT");
320 err
= gpio_request(CORGI_GPIO_nSD_WP
, "nSD_WP");
324 err
= gpio_request(CORGI_GPIO_SD_PWR
, "SD_PWR");
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
);
339 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
346 gpio_free(CORGI_GPIO_SD_PWR
);
348 gpio_free(CORGI_GPIO_nSD_WP
);
350 gpio_free(CORGI_GPIO_nSD_DETECT
);
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
,
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
)
397 err
= gpio_request(CORGI_GPIO_IR_ON
, "IR_ON");
401 gpio_direction_output(CORGI_GPIO_IR_ON
, 1);
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
= {
431 static void corgi_wait_for_hsync(void)
433 while (gpio_get_value(CORGI_GPIO_HSYNC
))
436 while (!gpio_get_value(CORGI_GPIO_HSYNC
))
440 static struct ads7846_platform_data corgi_ads7846_info
= {
442 .vref_delay_usecs
= 100,
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
);
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,
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,
488 .platform_data
= &corgi_ads7846_info
,
489 .controller_data
= &corgi_ads7846_chip
,
490 .irq
= gpio_to_irq(CORGI_GPIO_TP_INT
),
492 .modalias
= "corgi-lcd",
493 .max_speed_hz
= 50000,
496 .platform_data
= &corgi_lcdcon_info
,
497 .controller_data
= &corgi_lcdcon_chip
,
499 .modalias
= "max1111",
500 .max_speed_hz
= 450000,
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
));
513 static inline void corgi_init_spi(void) {}
516 static struct mtd_partition sharpsl_nand_partitions
[] = {
518 .name
= "System Area",
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
= {
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
[] = {
553 .flags
= IORESOURCE_MEM
,
557 static struct platform_device sharpsl_nand_device
= {
558 .name
= "sharpsl-nand",
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
= {
575 .nr_parts
= ARRAY_SIZE(sharpsl_rom_parts
),
576 .parts
= sharpsl_rom_parts
,
579 static struct resource sharpsl_rom_resources
[] = {
583 .flags
= IORESOURCE_MEM
,
587 static struct platform_device sharpsl_rom_device
= {
588 .name
= "physmap-flash",
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
= {
600 &sharpsl_nand_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 */
634 pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config
));
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();
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);
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
,
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
,
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
,