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>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/ads7846.h>
29 #include <linux/spi/corgi_lcd.h>
30 #include <linux/mtd/sharpsl.h>
31 #include <video/w100fb.h>
33 #include <asm/setup.h>
34 #include <asm/memory.h>
35 #include <asm/mach-types.h>
36 #include <mach/hardware.h>
38 #include <asm/system.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/irq.h>
44 #include <mach/pxa25x.h>
46 #include <mach/irda.h>
49 #include <mach/pxa2xx_spi.h>
50 #include <mach/corgi.h>
51 #include <mach/sharpsl.h>
53 #include <asm/mach/sharpsl_param.h>
54 #include <asm/hardware/scoop.h>
60 static unsigned long corgi_pin_config
[] __initdata
= {
61 /* Static Memory I/O */
62 GPIO78_nCS_2
, /* w100fb */
63 GPIO80_nCS_4
, /* scoop */
69 GPIO24_GPIO
, /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
72 GPIO28_I2S_BITCLK_OUT
,
107 GPIO9_GPIO
, /* CORGI_GPIO_nSD_DETECT */
108 GPIO7_GPIO
, /* CORGI_GPIO_nSD_WP */
109 GPIO33_GPIO
, /* CORGI_GPIO_SD_PWR */
110 GPIO22_GPIO
, /* CORGI_GPIO_IR_ON */
111 GPIO44_GPIO
, /* CORGI_GPIO_HSYNC */
113 GPIO1_GPIO
| WAKEUP_ON_EDGE_RISE
,
119 static struct resource corgi_scoop_resources
[] = {
123 .flags
= IORESOURCE_MEM
,
127 static struct scoop_config corgi_scoop_setup
= {
128 .io_dir
= CORGI_SCOOP_IO_DIR
,
129 .io_out
= CORGI_SCOOP_IO_OUT
,
130 .gpio_base
= CORGI_SCOOP_GPIO_BASE
,
133 struct platform_device corgiscoop_device
= {
134 .name
= "sharp-scoop",
137 .platform_data
= &corgi_scoop_setup
,
139 .num_resources
= ARRAY_SIZE(corgi_scoop_resources
),
140 .resource
= corgi_scoop_resources
,
143 static struct scoop_pcmcia_dev corgi_pcmcia_scoop
[] = {
145 .dev
= &corgiscoop_device
.dev
,
146 .irq
= CORGI_IRQ_GPIO_CF_IRQ
,
147 .cd_irq
= CORGI_IRQ_GPIO_CF_CD
,
148 .cd_irq_str
= "PCMCIA0 CD",
152 static struct scoop_pcmcia_config corgi_pcmcia_config
= {
153 .devs
= &corgi_pcmcia_scoop
[0],
157 EXPORT_SYMBOL(corgiscoop_device
);
159 static struct w100_mem_info corgi_fb_mem
= {
160 .ext_cntl
= 0x00040003,
161 .sdram_mode_reg
= 0x00650021,
162 .ext_timing_cntl
= 0x10002a4a,
163 .io_cntl
= 0x7ff87012,
167 static struct w100_gen_regs corgi_fb_regs
= {
168 .lcd_format
= 0x00000003,
169 .lcdd_cntl1
= 0x01CC0000,
170 .lcdd_cntl2
= 0x0003FFFF,
171 .genlcd_cntl1
= 0x00FFFF0D,
172 .genlcd_cntl2
= 0x003F3003,
173 .genlcd_cntl3
= 0x000102aa,
176 static struct w100_gpio_regs corgi_fb_gpio
= {
177 .init_data1
= 0x000000bf,
178 .init_data2
= 0x00000000,
179 .gpio_dir1
= 0x00000000,
180 .gpio_oe1
= 0x03c0feff,
181 .gpio_dir2
= 0x00000000,
182 .gpio_oe2
= 0x00000000,
185 static struct w100_mode corgi_fb_modes
[] = {
190 .right_margin
= 0x55,
191 .upper_margin
= 0x03,
192 .lower_margin
= 0x00,
193 .crtc_ss
= 0x82360056,
194 .crtc_ls
= 0xA0280000,
195 .crtc_gs
= 0x80280028,
196 .crtc_vpos_gs
= 0x02830002,
197 .crtc_rev
= 0x00400008,
198 .crtc_dclk
= 0xA0000000,
199 .crtc_gclk
= 0x8015010F,
200 .crtc_goe
= 0x80100110,
201 .crtc_ps1_active
= 0x41060010,
203 .fast_pll_freq
= 100,
204 .sysclk_src
= CLK_SRC_PLL
,
206 .pixclk_src
= CLK_SRC_PLL
,
208 .pixclk_divider_rotated
= 6,
213 .right_margin
= 0x2e,
214 .upper_margin
= 0x01,
215 .lower_margin
= 0x00,
216 .crtc_ss
= 0x81170027,
217 .crtc_ls
= 0xA0140000,
218 .crtc_gs
= 0xC0140014,
219 .crtc_vpos_gs
= 0x00010141,
220 .crtc_rev
= 0x00400008,
221 .crtc_dclk
= 0xA0000000,
222 .crtc_gclk
= 0x8015010F,
223 .crtc_goe
= 0x80100110,
224 .crtc_ps1_active
= 0x41060010,
227 .sysclk_src
= CLK_SRC_XTAL
,
229 .pixclk_src
= CLK_SRC_XTAL
,
231 .pixclk_divider_rotated
= 1,
236 static struct w100fb_mach_info corgi_fb_info
= {
237 .init_mode
= INIT_MODE_ROTATED
,
238 .mem
= &corgi_fb_mem
,
239 .regs
= &corgi_fb_regs
,
240 .modelist
= &corgi_fb_modes
[0],
242 .gpio
= &corgi_fb_gpio
,
243 .xtal_freq
= 12500000,
247 static struct resource corgi_fb_resources
[] = {
251 .flags
= IORESOURCE_MEM
,
255 static struct platform_device corgifb_device
= {
258 .num_resources
= ARRAY_SIZE(corgi_fb_resources
),
259 .resource
= corgi_fb_resources
,
261 .platform_data
= &corgi_fb_info
,
267 * Corgi Keyboard Device
269 static struct platform_device corgikbd_device
= {
270 .name
= "corgi-keyboard",
277 static struct gpio_led corgi_gpio_leds
[] = {
279 .name
= "corgi:amber:charge",
280 .default_trigger
= "sharpsl-charge",
281 .gpio
= CORGI_GPIO_LED_ORANGE
,
284 .name
= "corgi:green:mail",
285 .default_trigger
= "nand-disk",
286 .gpio
= CORGI_GPIO_LED_GREEN
,
290 static struct gpio_led_platform_data corgi_gpio_leds_info
= {
291 .leds
= corgi_gpio_leds
,
292 .num_leds
= ARRAY_SIZE(corgi_gpio_leds
),
295 static struct platform_device corgiled_device
= {
299 .platform_data
= &corgi_gpio_leds_info
,
306 * The card detect interrupt isn't debounced so we delay it by 250ms
307 * to give the card a chance to fully insert/eject.
309 static struct pxamci_platform_data corgi_mci_platform_data
;
311 static int corgi_mci_init(struct device
*dev
, irq_handler_t corgi_detect_int
, void *data
)
315 err
= gpio_request(CORGI_GPIO_nSD_DETECT
, "nSD_DETECT");
319 err
= gpio_request(CORGI_GPIO_nSD_WP
, "nSD_WP");
323 err
= gpio_request(CORGI_GPIO_SD_PWR
, "SD_PWR");
327 gpio_direction_input(CORGI_GPIO_nSD_DETECT
);
328 gpio_direction_input(CORGI_GPIO_nSD_WP
);
329 gpio_direction_output(CORGI_GPIO_SD_PWR
, 0);
331 corgi_mci_platform_data
.detect_delay
= msecs_to_jiffies(250);
333 err
= request_irq(CORGI_IRQ_GPIO_nSD_DETECT
, corgi_detect_int
,
334 IRQF_DISABLED
| IRQF_TRIGGER_RISING
|
335 IRQF_TRIGGER_FALLING
,
336 "MMC card detect", data
);
338 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
345 gpio_free(CORGI_GPIO_SD_PWR
);
347 gpio_free(CORGI_GPIO_nSD_WP
);
349 gpio_free(CORGI_GPIO_nSD_DETECT
);
354 static void corgi_mci_setpower(struct device
*dev
, unsigned int vdd
)
356 struct pxamci_platform_data
* p_d
= dev
->platform_data
;
358 gpio_set_value(CORGI_GPIO_SD_PWR
, ((1 << vdd
) & p_d
->ocr_mask
));
361 static int corgi_mci_get_ro(struct device
*dev
)
363 return gpio_get_value(CORGI_GPIO_nSD_WP
);
366 static void corgi_mci_exit(struct device
*dev
, void *data
)
368 free_irq(CORGI_IRQ_GPIO_nSD_DETECT
, data
);
369 gpio_free(CORGI_GPIO_SD_PWR
);
370 gpio_free(CORGI_GPIO_nSD_WP
);
371 gpio_free(CORGI_GPIO_nSD_DETECT
);
374 static struct pxamci_platform_data corgi_mci_platform_data
= {
375 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
376 .init
= corgi_mci_init
,
377 .get_ro
= corgi_mci_get_ro
,
378 .setpower
= corgi_mci_setpower
,
379 .exit
= corgi_mci_exit
,
386 static void corgi_irda_transceiver_mode(struct device
*dev
, int mode
)
388 gpio_set_value(CORGI_GPIO_IR_ON
, mode
& IR_OFF
);
389 pxa2xx_transceiver_mode(dev
, mode
);
392 static int corgi_irda_startup(struct device
*dev
)
396 err
= gpio_request(CORGI_GPIO_IR_ON
, "IR_ON");
400 gpio_direction_output(CORGI_GPIO_IR_ON
, 1);
404 static void corgi_irda_shutdown(struct device
*dev
)
406 gpio_free(CORGI_GPIO_IR_ON
);
409 static struct pxaficp_platform_data corgi_ficp_platform_data
= {
410 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
411 .transceiver_mode
= corgi_irda_transceiver_mode
,
412 .startup
= corgi_irda_startup
,
413 .shutdown
= corgi_irda_shutdown
,
418 * USB Device Controller
420 static struct pxa2xx_udc_mach_info udc_info __initdata
= {
421 /* no connect GPIO; corgi can't tell connection status */
422 .gpio_pullup
= CORGI_GPIO_USB_PULLUP
,
425 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER)
426 static struct pxa2xx_spi_master corgi_spi_info
= {
430 static void corgi_wait_for_hsync(void)
432 while (gpio_get_value(CORGI_GPIO_HSYNC
))
435 while (!gpio_get_value(CORGI_GPIO_HSYNC
))
439 static struct ads7846_platform_data corgi_ads7846_info
= {
441 .vref_delay_usecs
= 100,
444 .gpio_pendown
= CORGI_GPIO_TP_INT
,
445 .wait_for_sync
= corgi_wait_for_hsync
,
448 static void corgi_ads7846_cs(u32 command
)
450 gpio_set_value(CORGI_GPIO_ADS7846_CS
, !(command
== PXA2XX_CS_ASSERT
));
453 static struct pxa2xx_spi_chip corgi_ads7846_chip
= {
454 .cs_control
= corgi_ads7846_cs
,
457 static void corgi_bl_kick_battery(void)
459 void (*kick_batt
)(void);
461 kick_batt
= symbol_get(sharpsl_battery_kick
);
464 symbol_put(sharpsl_battery_kick
);
468 static struct corgi_lcd_platform_data corgi_lcdcon_info
= {
469 .init_mode
= CORGI_LCD_MODE_VGA
,
470 .max_intensity
= 0x2f,
471 .default_intensity
= 0x1f,
473 .gpio_backlight_cont
= CORGI_GPIO_BACKLIGHT_CONT
,
474 .gpio_backlight_on
= -1,
475 .kick_battery
= corgi_bl_kick_battery
,
478 static void corgi_lcdcon_cs(u32 command
)
480 gpio_set_value(CORGI_GPIO_LCDCON_CS
, !(command
== PXA2XX_CS_ASSERT
));
483 static struct pxa2xx_spi_chip corgi_lcdcon_chip
= {
484 .cs_control
= corgi_lcdcon_cs
,
487 static void corgi_max1111_cs(u32 command
)
489 gpio_set_value(CORGI_GPIO_MAX1111_CS
, !(command
== PXA2XX_CS_ASSERT
));
492 static struct pxa2xx_spi_chip corgi_max1111_chip
= {
493 .cs_control
= corgi_max1111_cs
,
496 static struct spi_board_info corgi_spi_devices
[] = {
498 .modalias
= "ads7846",
499 .max_speed_hz
= 1200000,
502 .platform_data
= &corgi_ads7846_info
,
503 .controller_data
= &corgi_ads7846_chip
,
504 .irq
= gpio_to_irq(CORGI_GPIO_TP_INT
),
506 .modalias
= "corgi-lcd",
507 .max_speed_hz
= 50000,
510 .platform_data
= &corgi_lcdcon_info
,
511 .controller_data
= &corgi_lcdcon_chip
,
513 .modalias
= "max1111",
514 .max_speed_hz
= 450000,
517 .controller_data
= &corgi_max1111_chip
,
521 static void __init
corgi_init_spi(void)
525 err
= gpio_request(CORGI_GPIO_ADS7846_CS
, "ADS7846_CS");
529 err
= gpio_request(CORGI_GPIO_LCDCON_CS
, "LCDCON_CS");
533 err
= gpio_request(CORGI_GPIO_MAX1111_CS
, "MAX1111_CS");
537 gpio_direction_output(CORGI_GPIO_ADS7846_CS
, 1);
538 gpio_direction_output(CORGI_GPIO_LCDCON_CS
, 1);
539 gpio_direction_output(CORGI_GPIO_MAX1111_CS
, 1);
541 pxa2xx_set_spi_info(1, &corgi_spi_info
);
542 spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices
));
546 gpio_free(CORGI_GPIO_LCDCON_CS
);
548 gpio_free(CORGI_GPIO_ADS7846_CS
);
551 static inline void corgi_init_spi(void) {}
554 static struct mtd_partition sharpsl_nand_partitions
[] = {
556 .name
= "System Area",
558 .size
= 7 * 1024 * 1024,
561 .name
= "Root Filesystem",
562 .offset
= 7 * 1024 * 1024,
563 .size
= 25 * 1024 * 1024,
566 .name
= "Home Filesystem",
567 .offset
= MTDPART_OFS_APPEND
,
568 .size
= MTDPART_SIZ_FULL
,
572 static uint8_t scan_ff_pattern
[] = { 0xff, 0xff };
574 static struct nand_bbt_descr sharpsl_bbt
= {
578 .pattern
= scan_ff_pattern
581 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data
= {
582 .badblock_pattern
= &sharpsl_bbt
,
583 .partitions
= sharpsl_nand_partitions
,
584 .nr_partitions
= ARRAY_SIZE(sharpsl_nand_partitions
),
587 static struct resource sharpsl_nand_resources
[] = {
591 .flags
= IORESOURCE_MEM
,
595 static struct platform_device sharpsl_nand_device
= {
596 .name
= "sharpsl-nand",
598 .resource
= sharpsl_nand_resources
,
599 .num_resources
= ARRAY_SIZE(sharpsl_nand_resources
),
600 .dev
.platform_data
= &sharpsl_nand_platform_data
,
603 static struct mtd_partition sharpsl_rom_parts
[] = {
605 .name
="Boot PROM Filesystem",
606 .offset
= 0x00120000,
607 .size
= MTDPART_SIZ_FULL
,
611 static struct physmap_flash_data sharpsl_rom_data
= {
613 .nr_parts
= ARRAY_SIZE(sharpsl_rom_parts
),
614 .parts
= sharpsl_rom_parts
,
617 static struct resource sharpsl_rom_resources
[] = {
621 .flags
= IORESOURCE_MEM
,
625 static struct platform_device sharpsl_rom_device
= {
626 .name
= "physmap-flash",
628 .resource
= sharpsl_rom_resources
,
629 .num_resources
= ARRAY_SIZE(sharpsl_rom_resources
),
630 .dev
.platform_data
= &sharpsl_rom_data
,
633 static struct platform_device
*devices
[] __initdata
= {
638 &sharpsl_nand_device
,
642 static void corgi_poweroff(void)
644 if (!machine_is_corgi())
645 /* Green LED off tells the bootloader to halt */
646 gpio_set_value(CORGI_GPIO_LED_GREEN
, 0);
648 arm_machine_restart('h', NULL
);
651 static void corgi_restart(char mode
, const char *cmd
)
653 if (!machine_is_corgi())
654 /* Green LED on tells the bootloader to reboot */
655 gpio_set_value(CORGI_GPIO_LED_GREEN
, 1);
657 arm_machine_restart('h', cmd
);
660 static void __init
corgi_init(void)
662 pm_power_off
= corgi_poweroff
;
663 arm_pm_restart
= corgi_restart
;
665 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
668 pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config
));
672 pxa_set_udc_info(&udc_info
);
673 pxa_set_mci_info(&corgi_mci_platform_data
);
674 pxa_set_ficp_info(&corgi_ficp_platform_data
);
675 pxa_set_i2c_info(NULL
);
677 platform_scoop_config
= &corgi_pcmcia_config
;
679 if (machine_is_husky())
680 sharpsl_nand_partitions
[1].size
= 53 * 1024 * 1024;
682 platform_add_devices(devices
, ARRAY_SIZE(devices
));
685 static void __init
fixup_corgi(struct machine_desc
*desc
,
686 struct tag
*tags
, char **cmdline
, struct meminfo
*mi
)
688 sharpsl_save_param();
690 mi
->bank
[0].start
= 0xa0000000;
691 mi
->bank
[0].node
= 0;
692 if (machine_is_corgi())
693 mi
->bank
[0].size
= (32*1024*1024);
695 mi
->bank
[0].size
= (64*1024*1024);
698 #ifdef CONFIG_MACH_CORGI
699 MACHINE_START(CORGI
, "SHARP Corgi")
700 .phys_io
= 0x40000000,
701 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
702 .fixup
= fixup_corgi
,
703 .map_io
= pxa_map_io
,
704 .init_irq
= pxa25x_init_irq
,
705 .init_machine
= corgi_init
,
710 #ifdef CONFIG_MACH_SHEPHERD
711 MACHINE_START(SHEPHERD
, "SHARP Shepherd")
712 .phys_io
= 0x40000000,
713 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
714 .fixup
= fixup_corgi
,
715 .map_io
= pxa_map_io
,
716 .init_irq
= pxa25x_init_irq
,
717 .init_machine
= corgi_init
,
722 #ifdef CONFIG_MACH_HUSKY
723 MACHINE_START(HUSKY
, "SHARP Husky")
724 .phys_io
= 0x40000000,
725 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
726 .fixup
= fixup_corgi
,
727 .map_io
= pxa_map_io
,
728 .init_irq
= pxa25x_init_irq
,
729 .init_machine
= corgi_init
,