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>
24 #include <asm/setup.h>
25 #include <asm/memory.h>
26 #include <asm/mach-types.h>
27 #include <asm/hardware.h>
30 #include <asm/system.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 #include <asm/mach/irq.h>
36 #include <asm/arch/pxa-regs.h>
37 #include <asm/arch/irda.h>
38 #include <asm/arch/mmc.h>
39 #include <asm/arch/udc.h>
40 #include <asm/arch/corgi.h>
41 #include <asm/arch/sharpsl.h>
43 #include <asm/mach/sharpsl_param.h>
44 #include <asm/hardware/scoop.h>
53 static struct resource corgi_scoop_resources[] = {
57 .flags = IORESOURCE_MEM,
61 static struct scoop_config corgi_scoop_setup = {
62 .io_dir = CORGI_SCOOP_IO_DIR,
63 .io_out = CORGI_SCOOP_IO_OUT,
66 struct platform_device corgiscoop_device = {
67 .name = "sharp-scoop",
70 .platform_data = &corgi_scoop_setup,
72 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
73 .resource = corgi_scoop_resources,
76 static void corgi_pcmcia_init(void)
78 /* Setup default state of GPIO outputs
79 before we enable them as outputs. */
80 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
81 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
82 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
83 GPIO_bit(GPIO53_nPCE_2);
85 pxa_gpio_mode(GPIO48_nPOE_MD);
86 pxa_gpio_mode(GPIO49_nPWE_MD);
87 pxa_gpio_mode(GPIO50_nPIOR_MD);
88 pxa_gpio_mode(GPIO51_nPIOW_MD);
89 pxa_gpio_mode(GPIO55_nPREG_MD);
90 pxa_gpio_mode(GPIO56_nPWAIT_MD);
91 pxa_gpio_mode(GPIO57_nIOIS16_MD);
92 pxa_gpio_mode(GPIO52_nPCE_1_MD);
93 pxa_gpio_mode(GPIO53_nPCE_2_MD);
94 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
97 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
99 .dev = &corgiscoop_device.dev,
100 .irq = CORGI_IRQ_GPIO_CF_IRQ,
101 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
102 .cd_irq_str = "PCMCIA0 CD",
106 static struct scoop_pcmcia_config corgi_pcmcia_config = {
107 .devs = &corgi_pcmcia_scoop[0],
109 .pcmcia_init = corgi_pcmcia_init,
112 EXPORT_SYMBOL(corgiscoop_device);
118 * Set the parent as the scoop device because a lot of SSP devices
119 * also use scoop functions and this makes the power up/down order
122 struct platform_device corgissp_device = {
125 .parent = &corgiscoop_device.dev,
130 struct corgissp_machinfo corgi_ssp_machinfo = {
132 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
133 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
134 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
142 * Corgi Backlight Device
144 static struct corgibl_machinfo corgi_bl_machinfo = {
145 .max_intensity = 0x2f,
146 .default_intensity = 0x1f,
148 .set_bl_intensity = corgi_bl_set_intensity,
151 static struct platform_device corgibl_device = {
154 .parent = &corgifb_device.dev,
155 .platform_data = &corgi_bl_machinfo,
162 * Corgi Keyboard Device
164 static struct platform_device corgikbd_device = {
165 .name = "corgi-keyboard",
173 static struct platform_device corgiled_device = {
179 * Corgi Touch Screen Device
181 static struct resource corgits_resources[] = {
183 .start = CORGI_IRQ_GPIO_TP_INT,
184 .end = CORGI_IRQ_GPIO_TP_INT,
185 .flags = IORESOURCE_IRQ,
189 static struct corgits_machinfo corgi_ts_machinfo = {
190 .get_hsync_len = corgi_get_hsync_len,
191 .put_hsync = corgi_put_hsync,
192 .wait_hsync = corgi_wait_hsync,
195 static struct platform_device corgits_device = {
198 .parent = &corgissp_device.dev,
199 .platform_data = &corgi_ts_machinfo,
202 .num_resources = ARRAY_SIZE(corgits_resources),
203 .resource = corgits_resources,
210 * The card detect interrupt isn't debounced so we delay it by 250ms
211 * to give the card a chance to fully insert/eject.
213 static struct pxamci_platform_data corgi_mci_platform_data;
215 static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data)
219 /* setup GPIO for PXA25x MMC controller */
220 pxa_gpio_mode(GPIO6_MMCCLK_MD);
221 pxa_gpio_mode(GPIO8_MMCCS0_MD);
222 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
223 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
225 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
227 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
228 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
229 "MMC card detect", data);
231 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
238 static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
240 struct pxamci_platform_data* p_d = dev->platform_data;
242 if (( 1 << vdd) & p_d->ocr_mask)
243 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
245 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
248 static int corgi_mci_get_ro(struct device *dev)
250 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
253 static void corgi_mci_exit(struct device *dev, void *data)
255 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
258 static struct pxamci_platform_data corgi_mci_platform_data = {
259 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
260 .init = corgi_mci_init,
261 .get_ro = corgi_mci_get_ro,
262 .setpower = corgi_mci_setpower,
263 .exit = corgi_mci_exit,
270 static void corgi_irda_transceiver_mode(struct device *dev, int mode)
273 GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
275 GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
278 static struct pxaficp_platform_data corgi_ficp_platform_data = {
279 .transceiver_cap = IR_SIRMODE | IR_OFF,
280 .transceiver_mode = corgi_irda_transceiver_mode,
285 * USB Device Controller
287 static struct pxa2xx_udc_mach_info udc_info __initdata = {
288 /* no connect GPIO; corgi can't tell connection status */
289 .gpio_pullup = CORGI_GPIO_USB_PULLUP,
293 static struct platform_device *devices[] __initdata = {
303 static void corgi_poweroff(void)
305 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
307 if (!machine_is_corgi())
308 /* Green LED off tells the bootloader to halt */
309 reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
310 arm_machine_restart('h');
313 static void corgi_restart(char mode)
315 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
317 if (!machine_is_corgi())
318 /* Green LED on tells the bootloader to reboot */
319 set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
320 arm_machine_restart('h');
323 static void __init corgi_init(void)
325 pm_power_off = corgi_poweroff;
326 arm_pm_restart = corgi_restart;
328 /* setup sleep mode values */
335 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
338 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
340 pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
341 pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
343 pxa_set_udc_info(&udc_info);
344 pxa_set_mci_info(&corgi_mci_platform_data);
345 pxa_set_ficp_info(&corgi_ficp_platform_data);
347 platform_scoop_config = &corgi_pcmcia_config;
349 platform_add_devices(devices, ARRAY_SIZE(devices));
352 static void __init fixup_corgi(struct machine_desc *desc,
353 struct tag *tags, char **cmdline, struct meminfo *mi)
355 sharpsl_save_param();
357 mi->bank[0].start = 0xa0000000;
358 mi->bank[0].node = 0;
359 if (machine_is_corgi())
360 mi->bank[0].size = (32*1024*1024);
362 mi->bank[0].size = (64*1024*1024);
365 #ifdef CONFIG_MACH_CORGI
366 MACHINE_START(CORGI, "SHARP Corgi")
367 .phys_io = 0x40000000,
368 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
369 .fixup = fixup_corgi,
370 .map_io = pxa_map_io,
371 .init_irq = pxa_init_irq,
372 .init_machine = corgi_init,
377 #ifdef CONFIG_MACH_SHEPHERD
378 MACHINE_START(SHEPHERD, "SHARP Shepherd")
379 .phys_io = 0x40000000,
380 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
381 .fixup = fixup_corgi,
382 .map_io = pxa_map_io,
383 .init_irq = pxa_init_irq,
384 .init_machine = corgi_init,
389 #ifdef CONFIG_MACH_HUSKY
390 MACHINE_START(HUSKY, "SHARP Husky")
391 .phys_io = 0x40000000,
392 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
393 .fixup = fixup_corgi,
394 .map_io = pxa_map_io,
395 .init_irq = pxa_init_irq,
396 .init_machine = corgi_init,