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>
23 #include <linux/backlight.h>
25 #include <asm/setup.h>
26 #include <asm/memory.h>
27 #include <asm/mach-types.h>
28 #include <asm/hardware.h>
31 #include <asm/system.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/mach/irq.h>
37 #include <asm/arch/pxa-regs.h>
38 #include <asm/arch/irda.h>
39 #include <asm/arch/mmc.h>
40 #include <asm/arch/udc.h>
41 #include <asm/arch/corgi.h>
42 #include <asm/arch/sharpsl.h>
44 #include <asm/mach/sharpsl_param.h>
45 #include <asm/hardware/scoop.h>
55 static struct resource corgi_scoop_resources[] = {
59 .flags = IORESOURCE_MEM,
63 static struct scoop_config corgi_scoop_setup = {
64 .io_dir = CORGI_SCOOP_IO_DIR,
65 .io_out = CORGI_SCOOP_IO_OUT,
68 struct platform_device corgiscoop_device = {
69 .name = "sharp-scoop",
72 .platform_data = &corgi_scoop_setup,
74 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
75 .resource = corgi_scoop_resources,
78 static void corgi_pcmcia_init(void)
80 /* Setup default state of GPIO outputs
81 before we enable them as outputs. */
82 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
83 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
84 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
85 GPIO_bit(GPIO53_nPCE_2);
87 pxa_gpio_mode(GPIO48_nPOE_MD);
88 pxa_gpio_mode(GPIO49_nPWE_MD);
89 pxa_gpio_mode(GPIO50_nPIOR_MD);
90 pxa_gpio_mode(GPIO51_nPIOW_MD);
91 pxa_gpio_mode(GPIO55_nPREG_MD);
92 pxa_gpio_mode(GPIO56_nPWAIT_MD);
93 pxa_gpio_mode(GPIO57_nIOIS16_MD);
94 pxa_gpio_mode(GPIO52_nPCE_1_MD);
95 pxa_gpio_mode(GPIO53_nPCE_2_MD);
96 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
99 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
101 .dev = &corgiscoop_device.dev,
102 .irq = CORGI_IRQ_GPIO_CF_IRQ,
103 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
104 .cd_irq_str = "PCMCIA0 CD",
108 static struct scoop_pcmcia_config corgi_pcmcia_config = {
109 .devs = &corgi_pcmcia_scoop[0],
111 .pcmcia_init = corgi_pcmcia_init,
114 EXPORT_SYMBOL(corgiscoop_device);
120 * Set the parent as the scoop device because a lot of SSP devices
121 * also use scoop functions and this makes the power up/down order
124 struct platform_device corgissp_device = {
127 .parent = &corgiscoop_device.dev,
132 struct corgissp_machinfo corgi_ssp_machinfo = {
134 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
135 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
136 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
144 * Corgi Backlight Device
146 static void corgi_bl_kick_battery(void)
148 void (*kick_batt)(void);
150 kick_batt = symbol_get(sharpsl_battery_kick);
153 symbol_put(sharpsl_battery_kick);
157 static struct generic_bl_info corgi_bl_machinfo = {
159 .max_intensity = 0x2f,
160 .default_intensity = 0x1f,
162 .set_bl_intensity = corgi_bl_set_intensity,
163 .kick_battery = corgi_bl_kick_battery,
166 static struct platform_device corgibl_device = {
167 .name = "generic-bl",
169 .parent = &corgifb_device.dev,
170 .platform_data = &corgi_bl_machinfo,
177 * Corgi Keyboard Device
179 static struct platform_device corgikbd_device = {
180 .name = "corgi-keyboard",
188 static struct platform_device corgiled_device = {
194 * Corgi Touch Screen Device
196 static struct resource corgits_resources[] = {
198 .start = CORGI_IRQ_GPIO_TP_INT,
199 .end = CORGI_IRQ_GPIO_TP_INT,
200 .flags = IORESOURCE_IRQ,
204 static struct corgits_machinfo corgi_ts_machinfo = {
205 .get_hsync_len = corgi_get_hsync_len,
206 .put_hsync = corgi_put_hsync,
207 .wait_hsync = corgi_wait_hsync,
210 static struct platform_device corgits_device = {
213 .parent = &corgissp_device.dev,
214 .platform_data = &corgi_ts_machinfo,
217 .num_resources = ARRAY_SIZE(corgits_resources),
218 .resource = corgits_resources,
225 * The card detect interrupt isn't debounced so we delay it by 250ms
226 * to give the card a chance to fully insert/eject.
228 static struct pxamci_platform_data corgi_mci_platform_data;
230 static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
234 /* setup GPIO for PXA25x MMC controller */
235 pxa_gpio_mode(GPIO6_MMCCLK_MD);
236 pxa_gpio_mode(GPIO8_MMCCS0_MD);
237 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
238 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
240 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
242 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
243 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
244 "MMC card detect", data);
246 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
253 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
255 struct pxamci_platform_data* p_d = dev->platform_data;
257 if (( 1 << vdd) & p_d->ocr_mask)
258 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
260 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
263 static int corgi_mci_get_ro(struct device *dev)
265 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
268 static void corgi_mci_exit(struct device *dev, void *data)
270 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
273 static struct pxamci_platform_data corgi_mci_platform_data = {
274 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
275 .init = corgi_mci_init,
276 .get_ro = corgi_mci_get_ro,
277 .setpower = corgi_mci_setpower,
278 .exit = corgi_mci_exit,
285 static void corgi_irda_transceiver_mode(struct device *dev, int mode)
288 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
290 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
293 static struct pxaficp_platform_data corgi_ficp_platform_data = {
294 .transceiver_cap = IR_SIRMODE | IR_OFF,
295 .transceiver_mode = corgi_irda_transceiver_mode,
300 * USB Device Controller
302 static struct pxa2xx_udc_mach_info udc_info __initdata = {
303 /* no connect GPIO; corgi can't tell connection status */
304 .gpio_pullup = CORGI_GPIO_USB_PULLUP,
308 static struct platform_device *devices[] __initdata = {
318 static void corgi_poweroff(void)
320 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
322 if (!machine_is_corgi())
323 /* Green LED off tells the bootloader to halt */
324 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
325 arm_machine_restart('h');
328 static void corgi_restart(char mode)
330 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
332 if (!machine_is_corgi())
333 /* Green LED on tells the bootloader to reboot */
334 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
335 arm_machine_restart('h');
338 static void __init corgi_init(void)
340 pm_power_off = corgi_poweroff;
341 arm_pm_restart = corgi_restart;
343 /* setup sleep mode values */
350 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
353 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
355 pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
356 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
358 pxa_set_udc_info(&udc_info);
359 pxa_set_mci_info(&corgi_mci_platform_data);
360 pxa_set_ficp_info(&corgi_ficp_platform_data);
362 platform_scoop_config = &corgi_pcmcia_config;
364 platform_add_devices(devices, ARRAY_SIZE(devices));
367 static void __init fixup_corgi(struct machine_desc *desc,
368 struct tag *tags, char **cmdline, struct meminfo *mi)
370 sharpsl_save_param();
372 mi->bank[0].start = 0xa0000000;
373 mi->bank[0].node = 0;
374 if (machine_is_corgi())
375 mi->bank[0].size = (32*1024*1024);
377 mi->bank[0].size = (64*1024*1024);
380 #ifdef CONFIG_MACH_CORGI
381 MACHINE_START(CORGI, "SHARP Corgi")
382 .phys_io = 0x40000000,
383 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
384 .fixup = fixup_corgi,
385 .map_io = pxa_map_io,
386 .init_irq = pxa25x_init_irq,
387 .init_machine = corgi_init,
392 #ifdef CONFIG_MACH_SHEPHERD
393 MACHINE_START(SHEPHERD, "SHARP Shepherd")
394 .phys_io = 0x40000000,
395 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
396 .fixup = fixup_corgi,
397 .map_io = pxa_map_io,
398 .init_irq = pxa25x_init_irq,
399 .init_machine = corgi_init,
404 #ifdef CONFIG_MACH_HUSKY
405 MACHINE_START(HUSKY, "SHARP Husky")
406 .phys_io = 0x40000000,
407 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
408 .fixup = fixup_corgi,
409 .map_io = pxa_map_io,
410 .init_irq = pxa25x_init_irq,
411 .init_machine = corgi_init,