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1da177e4 LT |
1 | /* |
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> | |
d052d1be | 17 | #include <linux/platform_device.h> |
1da177e4 LT |
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> | |
ca1140b5 | 35 | #include <asm/arch/irda.h> |
1da177e4 LT |
36 | #include <asm/arch/mmc.h> |
37 | #include <asm/arch/udc.h> | |
38 | #include <asm/arch/corgi.h> | |
1036260e | 39 | #include <asm/arch/sharpsl.h> |
1da177e4 LT |
40 | |
41 | #include <asm/mach/sharpsl_param.h> | |
42 | #include <asm/hardware/scoop.h> | |
1da177e4 LT |
43 | |
44 | #include "generic.h" | |
50a5de44 | 45 | #include "sharpsl.h" |
1da177e4 LT |
46 | |
47 | ||
48 | /* | |
49 | * Corgi SCOOP Device | |
50 | */ | |
51 | static struct resource corgi_scoop_resources[] = { | |
52 | [0] = { | |
53 | .start = 0x10800000, | |
54 | .end = 0x10800fff, | |
55 | .flags = IORESOURCE_MEM, | |
56 | }, | |
57 | }; | |
58 | ||
59 | static struct scoop_config corgi_scoop_setup = { | |
60 | .io_dir = CORGI_SCOOP_IO_DIR, | |
61 | .io_out = CORGI_SCOOP_IO_OUT, | |
62 | }; | |
63 | ||
a63ae442 RP |
64 | struct platform_device corgiscoop_device = { |
65 | .name = "sharp-scoop", | |
66 | .id = -1, | |
67 | .dev = { | |
68 | .platform_data = &corgi_scoop_setup, | |
69 | }, | |
70 | .num_resources = ARRAY_SIZE(corgi_scoop_resources), | |
71 | .resource = corgi_scoop_resources, | |
72 | }; | |
73 | ||
74 | static void corgi_pcmcia_init(void) | |
75 | { | |
76 | /* Setup default state of GPIO outputs | |
77 | before we enable them as outputs. */ | |
78 | GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | | |
79 | GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) | | |
80 | GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) | | |
81 | GPIO_bit(GPIO53_nPCE_2); | |
82 | ||
83 | pxa_gpio_mode(GPIO48_nPOE_MD); | |
84 | pxa_gpio_mode(GPIO49_nPWE_MD); | |
85 | pxa_gpio_mode(GPIO50_nPIOR_MD); | |
86 | pxa_gpio_mode(GPIO51_nPIOW_MD); | |
87 | pxa_gpio_mode(GPIO55_nPREG_MD); | |
88 | pxa_gpio_mode(GPIO56_nPWAIT_MD); | |
89 | pxa_gpio_mode(GPIO57_nIOIS16_MD); | |
90 | pxa_gpio_mode(GPIO52_nPCE_1_MD); | |
91 | pxa_gpio_mode(GPIO53_nPCE_2_MD); | |
92 | pxa_gpio_mode(GPIO54_pSKTSEL_MD); | |
93 | } | |
94 | ||
0ce7625f RP |
95 | static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = { |
96 | { | |
97 | .dev = &corgiscoop_device.dev, | |
98 | .irq = CORGI_IRQ_GPIO_CF_IRQ, | |
99 | .cd_irq = CORGI_IRQ_GPIO_CF_CD, | |
100 | .cd_irq_str = "PCMCIA0 CD", | |
101 | }, | |
102 | }; | |
103 | ||
a63ae442 RP |
104 | static struct scoop_pcmcia_config corgi_pcmcia_config = { |
105 | .devs = &corgi_pcmcia_scoop[0], | |
106 | .num_devs = 1, | |
107 | .pcmcia_init = corgi_pcmcia_init, | |
1da177e4 LT |
108 | }; |
109 | ||
a63ae442 RP |
110 | EXPORT_SYMBOL(corgiscoop_device); |
111 | ||
1da177e4 LT |
112 | |
113 | /* | |
114 | * Corgi SSP Device | |
115 | * | |
116 | * Set the parent as the scoop device because a lot of SSP devices | |
117 | * also use scoop functions and this makes the power up/down order | |
118 | * work correctly. | |
119 | */ | |
41b1bce8 | 120 | struct platform_device corgissp_device = { |
1da177e4 LT |
121 | .name = "corgi-ssp", |
122 | .dev = { | |
123 | .parent = &corgiscoop_device.dev, | |
124 | }, | |
125 | .id = -1, | |
126 | }; | |
127 | ||
50a5de44 RP |
128 | struct corgissp_machinfo corgi_ssp_machinfo = { |
129 | .port = 1, | |
130 | .cs_lcdcon = CORGI_GPIO_LCDCON_CS, | |
131 | .cs_ads7846 = CORGI_GPIO_ADS7846_CS, | |
132 | .cs_max1111 = CORGI_GPIO_MAX1111_CS, | |
133 | .clk_lcdcon = 76, | |
134 | .clk_ads7846 = 2, | |
135 | .clk_max1111 = 8, | |
136 | }; | |
137 | ||
1da177e4 | 138 | |
1da177e4 LT |
139 | /* |
140 | * Corgi Backlight Device | |
141 | */ | |
1351e6e0 RP |
142 | static struct corgibl_machinfo corgi_bl_machinfo = { |
143 | .max_intensity = 0x2f, | |
144 | .set_bl_intensity = corgi_bl_set_intensity, | |
145 | }; | |
146 | ||
1da177e4 LT |
147 | static struct platform_device corgibl_device = { |
148 | .name = "corgi-bl", | |
149 | .dev = { | |
150 | .parent = &corgifb_device.dev, | |
1351e6e0 | 151 | .platform_data = &corgi_bl_machinfo, |
1da177e4 LT |
152 | }, |
153 | .id = -1, | |
154 | }; | |
155 | ||
156 | ||
f7ceff34 RP |
157 | /* |
158 | * Corgi Keyboard Device | |
159 | */ | |
160 | static struct platform_device corgikbd_device = { | |
161 | .name = "corgi-keyboard", | |
162 | .id = -1, | |
163 | }; | |
164 | ||
165 | ||
166 | /* | |
167 | * Corgi Touch Screen Device | |
168 | */ | |
513b6e1a RP |
169 | static struct resource corgits_resources[] = { |
170 | [0] = { | |
171 | .start = CORGI_IRQ_GPIO_TP_INT, | |
172 | .end = CORGI_IRQ_GPIO_TP_INT, | |
173 | .flags = IORESOURCE_IRQ, | |
174 | }, | |
175 | }; | |
176 | ||
177 | static struct corgits_machinfo corgi_ts_machinfo = { | |
178 | .get_hsync_len = corgi_get_hsync_len, | |
179 | .put_hsync = corgi_put_hsync, | |
180 | .wait_hsync = corgi_wait_hsync, | |
181 | }; | |
182 | ||
f7ceff34 RP |
183 | static struct platform_device corgits_device = { |
184 | .name = "corgi-ts", | |
185 | .dev = { | |
186 | .parent = &corgissp_device.dev, | |
513b6e1a | 187 | .platform_data = &corgi_ts_machinfo, |
f7ceff34 RP |
188 | }, |
189 | .id = -1, | |
513b6e1a RP |
190 | .num_resources = ARRAY_SIZE(corgits_resources), |
191 | .resource = corgits_resources, | |
f7ceff34 RP |
192 | }; |
193 | ||
194 | ||
1da177e4 LT |
195 | /* |
196 | * MMC/SD Device | |
197 | * | |
aa6c2e79 | 198 | * The card detect interrupt isn't debounced so we delay it by 250ms |
1da177e4 LT |
199 | * to give the card a chance to fully insert/eject. |
200 | */ | |
aa6c2e79 | 201 | static struct pxamci_platform_data corgi_mci_platform_data; |
1da177e4 | 202 | |
aa6c2e79 | 203 | static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data) |
1da177e4 LT |
204 | { |
205 | int err; | |
206 | ||
207 | /* setup GPIO for PXA25x MMC controller */ | |
208 | pxa_gpio_mode(GPIO6_MMCCLK_MD); | |
209 | pxa_gpio_mode(GPIO8_MMCCS0_MD); | |
210 | pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN); | |
211 | pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT); | |
212 | ||
aa6c2e79 | 213 | corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250); |
1da177e4 | 214 | |
9ded96f2 RK |
215 | err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, |
216 | SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING, | |
217 | "MMC card detect", data); | |
1da177e4 LT |
218 | if (err) { |
219 | printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); | |
220 | return -1; | |
221 | } | |
222 | ||
1da177e4 LT |
223 | return 0; |
224 | } | |
225 | ||
226 | static void corgi_mci_setpower(struct device *dev, unsigned int vdd) | |
227 | { | |
228 | struct pxamci_platform_data* p_d = dev->platform_data; | |
229 | ||
fdce05bb | 230 | if (( 1 << vdd) & p_d->ocr_mask) |
1da177e4 | 231 | GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR); |
fdce05bb | 232 | else |
1da177e4 | 233 | GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR); |
1da177e4 LT |
234 | } |
235 | ||
3870ee8c RP |
236 | static int corgi_mci_get_ro(struct device *dev) |
237 | { | |
238 | return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP); | |
239 | } | |
240 | ||
1da177e4 LT |
241 | static void corgi_mci_exit(struct device *dev, void *data) |
242 | { | |
243 | free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data); | |
1da177e4 LT |
244 | } |
245 | ||
246 | static struct pxamci_platform_data corgi_mci_platform_data = { | |
247 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
248 | .init = corgi_mci_init, | |
3870ee8c | 249 | .get_ro = corgi_mci_get_ro, |
1da177e4 LT |
250 | .setpower = corgi_mci_setpower, |
251 | .exit = corgi_mci_exit, | |
252 | }; | |
253 | ||
254 | ||
ca1140b5 RP |
255 | /* |
256 | * Irda | |
257 | */ | |
258 | static void corgi_irda_transceiver_mode(struct device *dev, int mode) | |
259 | { | |
260 | if (mode & IR_OFF) | |
261 | GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON); | |
262 | else | |
263 | GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON); | |
264 | } | |
265 | ||
266 | static struct pxaficp_platform_data corgi_ficp_platform_data = { | |
267 | .transceiver_cap = IR_SIRMODE | IR_OFF, | |
268 | .transceiver_mode = corgi_irda_transceiver_mode, | |
269 | }; | |
270 | ||
f7ceff34 | 271 | |
1da177e4 LT |
272 | /* |
273 | * USB Device Controller | |
274 | */ | |
275 | static void corgi_udc_command(int cmd) | |
276 | { | |
277 | switch(cmd) { | |
278 | case PXA2XX_UDC_CMD_CONNECT: | |
279 | GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP); | |
280 | break; | |
281 | case PXA2XX_UDC_CMD_DISCONNECT: | |
282 | GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP); | |
283 | break; | |
284 | } | |
285 | } | |
286 | ||
287 | static struct pxa2xx_udc_mach_info udc_info __initdata = { | |
288 | /* no connect GPIO; corgi can't tell connection status */ | |
289 | .udc_command = corgi_udc_command, | |
290 | }; | |
291 | ||
292 | ||
293 | static struct platform_device *devices[] __initdata = { | |
294 | &corgiscoop_device, | |
295 | &corgissp_device, | |
296 | &corgifb_device, | |
f7ceff34 | 297 | &corgikbd_device, |
1da177e4 | 298 | &corgibl_device, |
f7ceff34 | 299 | &corgits_device, |
1da177e4 LT |
300 | }; |
301 | ||
302 | static void __init corgi_init(void) | |
303 | { | |
fdce05bb RP |
304 | /* setup sleep mode values */ |
305 | PWER = 0x00000002; | |
306 | PFER = 0x00000000; | |
307 | PRER = 0x00000002; | |
308 | PGSR0 = 0x0158C000; | |
309 | PGSR1 = 0x00FF0080; | |
310 | PGSR2 = 0x0001C004; | |
311 | /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ | |
312 | PCFR |= PCFR_OPDE; | |
313 | ||
50a5de44 RP |
314 | corgi_ssp_set_machinfo(&corgi_ssp_machinfo); |
315 | ||
ca1140b5 | 316 | pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT); |
1da177e4 | 317 | pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT); |
513b6e1a | 318 | pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN); |
ca1140b5 | 319 | |
1da177e4 LT |
320 | pxa_set_udc_info(&udc_info); |
321 | pxa_set_mci_info(&corgi_mci_platform_data); | |
ca1140b5 | 322 | pxa_set_ficp_info(&corgi_ficp_platform_data); |
1da177e4 | 323 | |
a63ae442 | 324 | platform_scoop_config = &corgi_pcmcia_config; |
0ce7625f | 325 | |
1da177e4 LT |
326 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
327 | } | |
328 | ||
329 | static void __init fixup_corgi(struct machine_desc *desc, | |
330 | struct tag *tags, char **cmdline, struct meminfo *mi) | |
331 | { | |
332 | sharpsl_save_param(); | |
333 | mi->nr_banks=1; | |
334 | mi->bank[0].start = 0xa0000000; | |
335 | mi->bank[0].node = 0; | |
336 | if (machine_is_corgi()) | |
337 | mi->bank[0].size = (32*1024*1024); | |
338 | else | |
339 | mi->bank[0].size = (64*1024*1024); | |
340 | } | |
341 | ||
1da177e4 LT |
342 | #ifdef CONFIG_MACH_CORGI |
343 | MACHINE_START(CORGI, "SHARP Corgi") | |
e9dea0c6 | 344 | .phys_io = 0x40000000, |
68070bde | 345 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 346 | .fixup = fixup_corgi, |
fdce05bb RP |
347 | .map_io = pxa_map_io, |
348 | .init_irq = pxa_init_irq, | |
e9dea0c6 RK |
349 | .init_machine = corgi_init, |
350 | .timer = &pxa_timer, | |
1da177e4 LT |
351 | MACHINE_END |
352 | #endif | |
353 | ||
354 | #ifdef CONFIG_MACH_SHEPHERD | |
355 | MACHINE_START(SHEPHERD, "SHARP Shepherd") | |
e9dea0c6 | 356 | .phys_io = 0x40000000, |
68070bde | 357 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 358 | .fixup = fixup_corgi, |
fdce05bb RP |
359 | .map_io = pxa_map_io, |
360 | .init_irq = pxa_init_irq, | |
e9dea0c6 RK |
361 | .init_machine = corgi_init, |
362 | .timer = &pxa_timer, | |
1da177e4 LT |
363 | MACHINE_END |
364 | #endif | |
365 | ||
366 | #ifdef CONFIG_MACH_HUSKY | |
367 | MACHINE_START(HUSKY, "SHARP Husky") | |
e9dea0c6 | 368 | .phys_io = 0x40000000, |
68070bde | 369 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 370 | .fixup = fixup_corgi, |
fdce05bb RP |
371 | .map_io = pxa_map_io, |
372 | .init_irq = pxa_init_irq, | |
e9dea0c6 RK |
373 | .init_machine = corgi_init, |
374 | .timer = &pxa_timer, | |
1da177e4 LT |
375 | MACHINE_END |
376 | #endif | |
377 |