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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> | |
74617fb6 | 22 | #include <linux/pm.h> |
1da177e4 LT |
23 | |
24 | #include <asm/setup.h> | |
25 | #include <asm/memory.h> | |
26 | #include <asm/mach-types.h> | |
27 | #include <asm/hardware.h> | |
28 | #include <asm/irq.h> | |
29 | #include <asm/io.h> | |
74617fb6 | 30 | #include <asm/system.h> |
1da177e4 LT |
31 | |
32 | #include <asm/mach/arch.h> | |
33 | #include <asm/mach/map.h> | |
34 | #include <asm/mach/irq.h> | |
35 | ||
36 | #include <asm/arch/pxa-regs.h> | |
ca1140b5 | 37 | #include <asm/arch/irda.h> |
1da177e4 LT |
38 | #include <asm/arch/mmc.h> |
39 | #include <asm/arch/udc.h> | |
40 | #include <asm/arch/corgi.h> | |
1036260e | 41 | #include <asm/arch/sharpsl.h> |
1da177e4 LT |
42 | |
43 | #include <asm/mach/sharpsl_param.h> | |
44 | #include <asm/hardware/scoop.h> | |
1da177e4 LT |
45 | |
46 | #include "generic.h" | |
46c41e62 | 47 | #include "devices.h" |
50a5de44 | 48 | #include "sharpsl.h" |
1da177e4 LT |
49 | |
50 | ||
51 | /* | |
52 | * Corgi SCOOP Device | |
53 | */ | |
54 | static struct resource corgi_scoop_resources[] = { | |
55 | [0] = { | |
56 | .start = 0x10800000, | |
57 | .end = 0x10800fff, | |
58 | .flags = IORESOURCE_MEM, | |
59 | }, | |
60 | }; | |
61 | ||
62 | static struct scoop_config corgi_scoop_setup = { | |
63 | .io_dir = CORGI_SCOOP_IO_DIR, | |
64 | .io_out = CORGI_SCOOP_IO_OUT, | |
65 | }; | |
66 | ||
a63ae442 RP |
67 | struct platform_device corgiscoop_device = { |
68 | .name = "sharp-scoop", | |
69 | .id = -1, | |
70 | .dev = { | |
71 | .platform_data = &corgi_scoop_setup, | |
72 | }, | |
73 | .num_resources = ARRAY_SIZE(corgi_scoop_resources), | |
74 | .resource = corgi_scoop_resources, | |
75 | }; | |
76 | ||
77 | static void corgi_pcmcia_init(void) | |
78 | { | |
79 | /* Setup default state of GPIO outputs | |
80 | before we enable them as outputs. */ | |
81 | GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | | |
82 | GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) | | |
83 | GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) | | |
84 | GPIO_bit(GPIO53_nPCE_2); | |
85 | ||
86 | pxa_gpio_mode(GPIO48_nPOE_MD); | |
87 | pxa_gpio_mode(GPIO49_nPWE_MD); | |
88 | pxa_gpio_mode(GPIO50_nPIOR_MD); | |
89 | pxa_gpio_mode(GPIO51_nPIOW_MD); | |
90 | pxa_gpio_mode(GPIO55_nPREG_MD); | |
91 | pxa_gpio_mode(GPIO56_nPWAIT_MD); | |
92 | pxa_gpio_mode(GPIO57_nIOIS16_MD); | |
93 | pxa_gpio_mode(GPIO52_nPCE_1_MD); | |
94 | pxa_gpio_mode(GPIO53_nPCE_2_MD); | |
95 | pxa_gpio_mode(GPIO54_pSKTSEL_MD); | |
96 | } | |
97 | ||
0ce7625f RP |
98 | static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = { |
99 | { | |
100 | .dev = &corgiscoop_device.dev, | |
101 | .irq = CORGI_IRQ_GPIO_CF_IRQ, | |
102 | .cd_irq = CORGI_IRQ_GPIO_CF_CD, | |
103 | .cd_irq_str = "PCMCIA0 CD", | |
104 | }, | |
105 | }; | |
106 | ||
a63ae442 RP |
107 | static struct scoop_pcmcia_config corgi_pcmcia_config = { |
108 | .devs = &corgi_pcmcia_scoop[0], | |
109 | .num_devs = 1, | |
110 | .pcmcia_init = corgi_pcmcia_init, | |
1da177e4 LT |
111 | }; |
112 | ||
a63ae442 RP |
113 | EXPORT_SYMBOL(corgiscoop_device); |
114 | ||
1da177e4 LT |
115 | |
116 | /* | |
117 | * Corgi SSP Device | |
118 | * | |
119 | * Set the parent as the scoop device because a lot of SSP devices | |
120 | * also use scoop functions and this makes the power up/down order | |
121 | * work correctly. | |
122 | */ | |
41b1bce8 | 123 | struct platform_device corgissp_device = { |
1da177e4 LT |
124 | .name = "corgi-ssp", |
125 | .dev = { | |
126 | .parent = &corgiscoop_device.dev, | |
127 | }, | |
128 | .id = -1, | |
129 | }; | |
130 | ||
50a5de44 RP |
131 | struct corgissp_machinfo corgi_ssp_machinfo = { |
132 | .port = 1, | |
133 | .cs_lcdcon = CORGI_GPIO_LCDCON_CS, | |
134 | .cs_ads7846 = CORGI_GPIO_ADS7846_CS, | |
135 | .cs_max1111 = CORGI_GPIO_MAX1111_CS, | |
136 | .clk_lcdcon = 76, | |
137 | .clk_ads7846 = 2, | |
138 | .clk_max1111 = 8, | |
139 | }; | |
140 | ||
1da177e4 | 141 | |
1da177e4 LT |
142 | /* |
143 | * Corgi Backlight Device | |
144 | */ | |
1351e6e0 RP |
145 | static struct corgibl_machinfo corgi_bl_machinfo = { |
146 | .max_intensity = 0x2f, | |
2c0f5fb0 RP |
147 | .default_intensity = 0x1f, |
148 | .limit_mask = 0x0b, | |
1351e6e0 RP |
149 | .set_bl_intensity = corgi_bl_set_intensity, |
150 | }; | |
151 | ||
1da177e4 LT |
152 | static struct platform_device corgibl_device = { |
153 | .name = "corgi-bl", | |
154 | .dev = { | |
155 | .parent = &corgifb_device.dev, | |
1351e6e0 | 156 | .platform_data = &corgi_bl_machinfo, |
1da177e4 LT |
157 | }, |
158 | .id = -1, | |
159 | }; | |
160 | ||
161 | ||
f7ceff34 RP |
162 | /* |
163 | * Corgi Keyboard Device | |
164 | */ | |
165 | static struct platform_device corgikbd_device = { | |
166 | .name = "corgi-keyboard", | |
167 | .id = -1, | |
168 | }; | |
169 | ||
170 | ||
3179108d RP |
171 | /* |
172 | * Corgi LEDs | |
173 | */ | |
174 | static struct platform_device corgiled_device = { | |
175 | .name = "corgi-led", | |
176 | .id = -1, | |
177 | }; | |
178 | ||
f7ceff34 RP |
179 | /* |
180 | * Corgi Touch Screen Device | |
181 | */ | |
513b6e1a RP |
182 | static struct resource corgits_resources[] = { |
183 | [0] = { | |
184 | .start = CORGI_IRQ_GPIO_TP_INT, | |
185 | .end = CORGI_IRQ_GPIO_TP_INT, | |
186 | .flags = IORESOURCE_IRQ, | |
187 | }, | |
188 | }; | |
189 | ||
190 | static struct corgits_machinfo corgi_ts_machinfo = { | |
191 | .get_hsync_len = corgi_get_hsync_len, | |
192 | .put_hsync = corgi_put_hsync, | |
193 | .wait_hsync = corgi_wait_hsync, | |
194 | }; | |
195 | ||
f7ceff34 RP |
196 | static struct platform_device corgits_device = { |
197 | .name = "corgi-ts", | |
198 | .dev = { | |
199 | .parent = &corgissp_device.dev, | |
513b6e1a | 200 | .platform_data = &corgi_ts_machinfo, |
f7ceff34 RP |
201 | }, |
202 | .id = -1, | |
513b6e1a RP |
203 | .num_resources = ARRAY_SIZE(corgits_resources), |
204 | .resource = corgits_resources, | |
f7ceff34 RP |
205 | }; |
206 | ||
207 | ||
1da177e4 LT |
208 | /* |
209 | * MMC/SD Device | |
210 | * | |
aa6c2e79 | 211 | * The card detect interrupt isn't debounced so we delay it by 250ms |
1da177e4 LT |
212 | * to give the card a chance to fully insert/eject. |
213 | */ | |
aa6c2e79 | 214 | static struct pxamci_platform_data corgi_mci_platform_data; |
1da177e4 | 215 | |
40220c1a | 216 | static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data) |
1da177e4 LT |
217 | { |
218 | int err; | |
219 | ||
220 | /* setup GPIO for PXA25x MMC controller */ | |
221 | pxa_gpio_mode(GPIO6_MMCCLK_MD); | |
222 | pxa_gpio_mode(GPIO8_MMCCS0_MD); | |
223 | pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN); | |
224 | pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT); | |
225 | ||
aa6c2e79 | 226 | corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250); |
1da177e4 | 227 | |
9ded96f2 | 228 | err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, |
52e405ea | 229 | IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
9ded96f2 | 230 | "MMC card detect", data); |
1da177e4 LT |
231 | if (err) { |
232 | printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); | |
233 | return -1; | |
234 | } | |
235 | ||
1da177e4 LT |
236 | return 0; |
237 | } | |
238 | ||
239 | static void corgi_mci_setpower(struct device *dev, unsigned int vdd) | |
240 | { | |
241 | struct pxamci_platform_data* p_d = dev->platform_data; | |
242 | ||
fdce05bb | 243 | if (( 1 << vdd) & p_d->ocr_mask) |
1da177e4 | 244 | GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR); |
fdce05bb | 245 | else |
1da177e4 | 246 | GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR); |
1da177e4 LT |
247 | } |
248 | ||
3870ee8c RP |
249 | static int corgi_mci_get_ro(struct device *dev) |
250 | { | |
251 | return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP); | |
252 | } | |
253 | ||
1da177e4 LT |
254 | static void corgi_mci_exit(struct device *dev, void *data) |
255 | { | |
256 | free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data); | |
1da177e4 LT |
257 | } |
258 | ||
259 | static struct pxamci_platform_data corgi_mci_platform_data = { | |
260 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
261 | .init = corgi_mci_init, | |
3870ee8c | 262 | .get_ro = corgi_mci_get_ro, |
1da177e4 LT |
263 | .setpower = corgi_mci_setpower, |
264 | .exit = corgi_mci_exit, | |
265 | }; | |
266 | ||
267 | ||
ca1140b5 RP |
268 | /* |
269 | * Irda | |
270 | */ | |
271 | static void corgi_irda_transceiver_mode(struct device *dev, int mode) | |
272 | { | |
273 | if (mode & IR_OFF) | |
274 | GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON); | |
275 | else | |
276 | GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON); | |
277 | } | |
278 | ||
279 | static struct pxaficp_platform_data corgi_ficp_platform_data = { | |
280 | .transceiver_cap = IR_SIRMODE | IR_OFF, | |
281 | .transceiver_mode = corgi_irda_transceiver_mode, | |
282 | }; | |
283 | ||
f7ceff34 | 284 | |
1da177e4 LT |
285 | /* |
286 | * USB Device Controller | |
287 | */ | |
1da177e4 LT |
288 | static struct pxa2xx_udc_mach_info udc_info __initdata = { |
289 | /* no connect GPIO; corgi can't tell connection status */ | |
b2bbb20b | 290 | .gpio_pullup = CORGI_GPIO_USB_PULLUP, |
1da177e4 LT |
291 | }; |
292 | ||
293 | ||
294 | static struct platform_device *devices[] __initdata = { | |
295 | &corgiscoop_device, | |
296 | &corgissp_device, | |
297 | &corgifb_device, | |
f7ceff34 | 298 | &corgikbd_device, |
1da177e4 | 299 | &corgibl_device, |
f7ceff34 | 300 | &corgits_device, |
3179108d | 301 | &corgiled_device, |
1da177e4 LT |
302 | }; |
303 | ||
74617fb6 RP |
304 | static void corgi_poweroff(void) |
305 | { | |
306 | RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; | |
307 | ||
308 | if (!machine_is_corgi()) | |
309 | /* Green LED off tells the bootloader to halt */ | |
310 | reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN); | |
311 | arm_machine_restart('h'); | |
312 | } | |
313 | ||
314 | static void corgi_restart(char mode) | |
315 | { | |
316 | RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; | |
317 | ||
318 | if (!machine_is_corgi()) | |
319 | /* Green LED on tells the bootloader to reboot */ | |
320 | set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN); | |
321 | arm_machine_restart('h'); | |
322 | } | |
323 | ||
1da177e4 LT |
324 | static void __init corgi_init(void) |
325 | { | |
74617fb6 RP |
326 | pm_power_off = corgi_poweroff; |
327 | arm_pm_restart = corgi_restart; | |
328 | ||
fdce05bb RP |
329 | /* setup sleep mode values */ |
330 | PWER = 0x00000002; | |
331 | PFER = 0x00000000; | |
332 | PRER = 0x00000002; | |
333 | PGSR0 = 0x0158C000; | |
334 | PGSR1 = 0x00FF0080; | |
335 | PGSR2 = 0x0001C004; | |
336 | /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ | |
337 | PCFR |= PCFR_OPDE; | |
338 | ||
50a5de44 RP |
339 | corgi_ssp_set_machinfo(&corgi_ssp_machinfo); |
340 | ||
ca1140b5 | 341 | pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT); |
513b6e1a | 342 | pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN); |
ca1140b5 | 343 | |
1da177e4 LT |
344 | pxa_set_udc_info(&udc_info); |
345 | pxa_set_mci_info(&corgi_mci_platform_data); | |
ca1140b5 | 346 | pxa_set_ficp_info(&corgi_ficp_platform_data); |
1da177e4 | 347 | |
a63ae442 | 348 | platform_scoop_config = &corgi_pcmcia_config; |
0ce7625f | 349 | |
1da177e4 LT |
350 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
351 | } | |
352 | ||
353 | static void __init fixup_corgi(struct machine_desc *desc, | |
354 | struct tag *tags, char **cmdline, struct meminfo *mi) | |
355 | { | |
356 | sharpsl_save_param(); | |
357 | mi->nr_banks=1; | |
358 | mi->bank[0].start = 0xa0000000; | |
359 | mi->bank[0].node = 0; | |
360 | if (machine_is_corgi()) | |
361 | mi->bank[0].size = (32*1024*1024); | |
362 | else | |
363 | mi->bank[0].size = (64*1024*1024); | |
364 | } | |
365 | ||
1da177e4 LT |
366 | #ifdef CONFIG_MACH_CORGI |
367 | MACHINE_START(CORGI, "SHARP Corgi") | |
e9dea0c6 | 368 | .phys_io = 0x40000000, |
68070bde | 369 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 370 | .fixup = fixup_corgi, |
fdce05bb | 371 | .map_io = pxa_map_io, |
cd49104d | 372 | .init_irq = pxa25x_init_irq, |
e9dea0c6 RK |
373 | .init_machine = corgi_init, |
374 | .timer = &pxa_timer, | |
1da177e4 LT |
375 | MACHINE_END |
376 | #endif | |
377 | ||
378 | #ifdef CONFIG_MACH_SHEPHERD | |
379 | MACHINE_START(SHEPHERD, "SHARP Shepherd") | |
e9dea0c6 | 380 | .phys_io = 0x40000000, |
68070bde | 381 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 382 | .fixup = fixup_corgi, |
fdce05bb | 383 | .map_io = pxa_map_io, |
cd49104d | 384 | .init_irq = pxa25x_init_irq, |
e9dea0c6 RK |
385 | .init_machine = corgi_init, |
386 | .timer = &pxa_timer, | |
1da177e4 LT |
387 | MACHINE_END |
388 | #endif | |
389 | ||
390 | #ifdef CONFIG_MACH_HUSKY | |
391 | MACHINE_START(HUSKY, "SHARP Husky") | |
e9dea0c6 | 392 | .phys_io = 0x40000000, |
68070bde | 393 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 394 | .fixup = fixup_corgi, |
fdce05bb | 395 | .map_io = pxa_map_io, |
cd49104d | 396 | .init_irq = pxa25x_init_irq, |
e9dea0c6 RK |
397 | .init_machine = corgi_init, |
398 | .timer = &pxa_timer, | |
1da177e4 LT |
399 | MACHINE_END |
400 | #endif | |
401 |