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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Support for Sharp SL-C7xx PDAs
3 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
4 *
5 * Copyright (c) 2004-2005 Richard Purdie
6 *
7 * Based on Sharp's 2.4 kernel patches/lubbock.c
8 *
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.
12 *
13 */
14
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/device.h>
18#include <linux/major.h>
19#include <linux/fs.h>
20#include <linux/interrupt.h>
21#include <linux/mmc/host.h>
22
23#include <asm/setup.h>
24#include <asm/memory.h>
25#include <asm/mach-types.h>
26#include <asm/hardware.h>
27#include <asm/irq.h>
28#include <asm/io.h>
29
30#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
32#include <asm/mach/irq.h>
33
34#include <asm/arch/pxa-regs.h>
35#include <asm/arch/irq.h>
36#include <asm/arch/mmc.h>
37#include <asm/arch/udc.h>
38#include <asm/arch/corgi.h>
39
40#include <asm/mach/sharpsl_param.h>
41#include <asm/hardware/scoop.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43#include "generic.h"
Richard Purdie50a5de42005-09-13 01:25:30 -070044#include "sharpsl.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070045
46
47/*
48 * Corgi SCOOP Device
49 */
50static struct resource corgi_scoop_resources[] = {
51 [0] = {
52 .start = 0x10800000,
53 .end = 0x10800fff,
54 .flags = IORESOURCE_MEM,
55 },
56};
57
58static struct scoop_config corgi_scoop_setup = {
59 .io_dir = CORGI_SCOOP_IO_DIR,
60 .io_out = CORGI_SCOOP_IO_OUT,
61};
62
Richard Purdie0ce76252005-09-05 20:49:54 +010063static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
64{
65 .dev = &corgiscoop_device.dev,
66 .irq = CORGI_IRQ_GPIO_CF_IRQ,
67 .cd_irq = CORGI_IRQ_GPIO_CF_CD,
68 .cd_irq_str = "PCMCIA0 CD",
69},
70};
71
Linus Torvalds1da177e2005-04-16 15:20:36 -070072struct platform_device corgiscoop_device = {
73 .name = "sharp-scoop",
74 .id = -1,
75 .dev = {
76 .platform_data = &corgi_scoop_setup,
77 },
78 .num_resources = ARRAY_SIZE(corgi_scoop_resources),
79 .resource = corgi_scoop_resources,
80};
81
82
83/*
84 * Corgi SSP Device
85 *
86 * Set the parent as the scoop device because a lot of SSP devices
87 * also use scoop functions and this makes the power up/down order
88 * work correctly.
89 */
Richard Purdie41b1bce2005-09-06 15:19:05 -070090struct platform_device corgissp_device = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 .name = "corgi-ssp",
92 .dev = {
93 .parent = &corgiscoop_device.dev,
94 },
95 .id = -1,
96};
97
Richard Purdie50a5de42005-09-13 01:25:30 -070098struct corgissp_machinfo corgi_ssp_machinfo = {
99 .port = 1,
100 .cs_lcdcon = CORGI_GPIO_LCDCON_CS,
101 .cs_ads7846 = CORGI_GPIO_ADS7846_CS,
102 .cs_max1111 = CORGI_GPIO_MAX1111_CS,
103 .clk_lcdcon = 76,
104 .clk_ads7846 = 2,
105 .clk_max1111 = 8,
106};
107
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
109/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 * Corgi Backlight Device
111 */
112static struct platform_device corgibl_device = {
113 .name = "corgi-bl",
114 .dev = {
115 .parent = &corgifb_device.dev,
116 },
117 .id = -1,
118};
119
120
121/*
Richard Purdief7ceff32005-09-06 15:19:07 -0700122 * Corgi Keyboard Device
123 */
124static struct platform_device corgikbd_device = {
125 .name = "corgi-keyboard",
126 .id = -1,
127};
128
129
130/*
131 * Corgi Touch Screen Device
132 */
133static struct platform_device corgits_device = {
134 .name = "corgi-ts",
135 .dev = {
136 .parent = &corgissp_device.dev,
137 },
138 .id = -1,
139};
140
141
142/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143 * MMC/SD Device
144 *
Richard Purdieaa6c2e72005-09-09 18:54:03 +0100145 * The card detect interrupt isn't debounced so we delay it by 250ms
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 * to give the card a chance to fully insert/eject.
147 */
Richard Purdieaa6c2e72005-09-09 18:54:03 +0100148static struct pxamci_platform_data corgi_mci_platform_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149
Richard Purdieaa6c2e72005-09-09 18:54:03 +0100150static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151{
152 int err;
153
154 /* setup GPIO for PXA25x MMC controller */
155 pxa_gpio_mode(GPIO6_MMCCLK_MD);
156 pxa_gpio_mode(GPIO8_MMCCS0_MD);
157 pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
158 pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
159
Richard Purdieaa6c2e72005-09-09 18:54:03 +0100160 corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161
Richard Purdieaa6c2e72005-09-09 18:54:03 +0100162 err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, SA_INTERRUPT,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163 "MMC card detect", data);
164 if (err) {
165 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
166 return -1;
167 }
168
169 set_irq_type(CORGI_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
170
171 return 0;
172}
173
174static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
175{
176 struct pxamci_platform_data* p_d = dev->platform_data;
177
178 if (( 1 << vdd) & p_d->ocr_mask) {
179 printk(KERN_DEBUG "%s: on\n", __FUNCTION__);
180 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
181 } else {
182 printk(KERN_DEBUG "%s: off\n", __FUNCTION__);
183 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
184 }
185}
186
Richard Purdie3870ee82005-09-06 15:19:07 -0700187static int corgi_mci_get_ro(struct device *dev)
188{
189 return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
190}
191
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192static void corgi_mci_exit(struct device *dev, void *data)
193{
194 free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195}
196
197static struct pxamci_platform_data corgi_mci_platform_data = {
198 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
199 .init = corgi_mci_init,
Richard Purdie3870ee82005-09-06 15:19:07 -0700200 .get_ro = corgi_mci_get_ro,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201 .setpower = corgi_mci_setpower,
202 .exit = corgi_mci_exit,
203};
204
205
Richard Purdief7ceff32005-09-06 15:19:07 -0700206
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207/*
208 * USB Device Controller
209 */
210static void corgi_udc_command(int cmd)
211{
212 switch(cmd) {
213 case PXA2XX_UDC_CMD_CONNECT:
214 GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
215 break;
216 case PXA2XX_UDC_CMD_DISCONNECT:
217 GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
218 break;
219 }
220}
221
222static struct pxa2xx_udc_mach_info udc_info __initdata = {
223 /* no connect GPIO; corgi can't tell connection status */
224 .udc_command = corgi_udc_command,
225};
226
227
228static struct platform_device *devices[] __initdata = {
229 &corgiscoop_device,
230 &corgissp_device,
231 &corgifb_device,
Richard Purdief7ceff32005-09-06 15:19:07 -0700232 &corgikbd_device,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233 &corgibl_device,
Richard Purdief7ceff32005-09-06 15:19:07 -0700234 &corgits_device,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235};
236
237static void __init corgi_init(void)
238{
Richard Purdie50a5de42005-09-13 01:25:30 -0700239 corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
240
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241 pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
242 pxa_set_udc_info(&udc_info);
243 pxa_set_mci_info(&corgi_mci_platform_data);
244
Richard Purdie0ce76252005-09-05 20:49:54 +0100245 scoop_num = 1;
246 scoop_devs = &corgi_pcmcia_scoop[0];
247
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248 platform_add_devices(devices, ARRAY_SIZE(devices));
249}
250
251static void __init fixup_corgi(struct machine_desc *desc,
252 struct tag *tags, char **cmdline, struct meminfo *mi)
253{
254 sharpsl_save_param();
255 mi->nr_banks=1;
256 mi->bank[0].start = 0xa0000000;
257 mi->bank[0].node = 0;
258 if (machine_is_corgi())
259 mi->bank[0].size = (32*1024*1024);
260 else
261 mi->bank[0].size = (64*1024*1024);
262}
263
264static void __init corgi_init_irq(void)
265{
266 pxa_init_irq();
267}
268
269static struct map_desc corgi_io_desc[] __initdata = {
270/* virtual physical length */
271/* { 0xf1000000, 0x08000000, 0x01000000, MT_DEVICE },*/ /* LCDC (readable for Qt driver) */
272/* { 0xef700000, 0x10800000, 0x00001000, MT_DEVICE },*/ /* SCOOP */
273 { 0xef800000, 0x00000000, 0x00800000, MT_DEVICE }, /* Boot Flash */
274};
275
276static void __init corgi_map_io(void)
277{
278 pxa_map_io();
279 iotable_init(corgi_io_desc,ARRAY_SIZE(corgi_io_desc));
280
281 /* setup sleep mode values */
282 PWER = 0x00000002;
283 PFER = 0x00000000;
284 PRER = 0x00000002;
285 PGSR0 = 0x0158C000;
286 PGSR1 = 0x00FF0080;
287 PGSR2 = 0x0001C004;
288 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
289 PCFR |= PCFR_OPDE;
290}
291
292#ifdef CONFIG_MACH_CORGI
293MACHINE_START(CORGI, "SHARP Corgi")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100294 .phys_ram = 0xa0000000,
295 .phys_io = 0x40000000,
Russell King68070bd2005-07-04 10:44:34 +0100296 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100297 .fixup = fixup_corgi,
298 .map_io = corgi_map_io,
299 .init_irq = corgi_init_irq,
300 .init_machine = corgi_init,
301 .timer = &pxa_timer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302MACHINE_END
303#endif
304
305#ifdef CONFIG_MACH_SHEPHERD
306MACHINE_START(SHEPHERD, "SHARP Shepherd")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100307 .phys_ram = 0xa0000000,
308 .phys_io = 0x40000000,
Russell King68070bd2005-07-04 10:44:34 +0100309 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100310 .fixup = fixup_corgi,
311 .map_io = corgi_map_io,
312 .init_irq = corgi_init_irq,
313 .init_machine = corgi_init,
314 .timer = &pxa_timer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315MACHINE_END
316#endif
317
318#ifdef CONFIG_MACH_HUSKY
319MACHINE_START(HUSKY, "SHARP Husky")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100320 .phys_ram = 0xa0000000,
321 .phys_io = 0x40000000,
Russell King68070bd2005-07-04 10:44:34 +0100322 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100323 .fixup = fixup_corgi,
324 .map_io = corgi_map_io,
325 .init_irq = corgi_init_irq,
326 .init_machine = corgi_init,
327 .timer = &pxa_timer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700328MACHINE_END
329#endif
330