]>
Commit | Line | Data |
---|---|---|
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> | |
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> | |
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 | ||
0ce7625f RP |
64 | static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = { |
65 | { | |
66 | .dev = &corgiscoop_device.dev, | |
67 | .irq = CORGI_IRQ_GPIO_CF_IRQ, | |
68 | .cd_irq = CORGI_IRQ_GPIO_CF_CD, | |
69 | .cd_irq_str = "PCMCIA0 CD", | |
70 | }, | |
71 | }; | |
72 | ||
1da177e4 LT |
73 | struct platform_device corgiscoop_device = { |
74 | .name = "sharp-scoop", | |
75 | .id = -1, | |
76 | .dev = { | |
77 | .platform_data = &corgi_scoop_setup, | |
78 | }, | |
79 | .num_resources = ARRAY_SIZE(corgi_scoop_resources), | |
80 | .resource = corgi_scoop_resources, | |
81 | }; | |
82 | ||
83 | ||
84 | /* | |
85 | * Corgi SSP Device | |
86 | * | |
87 | * Set the parent as the scoop device because a lot of SSP devices | |
88 | * also use scoop functions and this makes the power up/down order | |
89 | * work correctly. | |
90 | */ | |
41b1bce8 | 91 | struct platform_device corgissp_device = { |
1da177e4 LT |
92 | .name = "corgi-ssp", |
93 | .dev = { | |
94 | .parent = &corgiscoop_device.dev, | |
95 | }, | |
96 | .id = -1, | |
97 | }; | |
98 | ||
50a5de44 RP |
99 | struct corgissp_machinfo corgi_ssp_machinfo = { |
100 | .port = 1, | |
101 | .cs_lcdcon = CORGI_GPIO_LCDCON_CS, | |
102 | .cs_ads7846 = CORGI_GPIO_ADS7846_CS, | |
103 | .cs_max1111 = CORGI_GPIO_MAX1111_CS, | |
104 | .clk_lcdcon = 76, | |
105 | .clk_ads7846 = 2, | |
106 | .clk_max1111 = 8, | |
107 | }; | |
108 | ||
1da177e4 | 109 | |
1da177e4 LT |
110 | /* |
111 | * Corgi Backlight Device | |
112 | */ | |
1351e6e0 RP |
113 | static struct corgibl_machinfo corgi_bl_machinfo = { |
114 | .max_intensity = 0x2f, | |
115 | .set_bl_intensity = corgi_bl_set_intensity, | |
116 | }; | |
117 | ||
1da177e4 LT |
118 | static struct platform_device corgibl_device = { |
119 | .name = "corgi-bl", | |
120 | .dev = { | |
121 | .parent = &corgifb_device.dev, | |
1351e6e0 | 122 | .platform_data = &corgi_bl_machinfo, |
1da177e4 LT |
123 | }, |
124 | .id = -1, | |
125 | }; | |
126 | ||
127 | ||
f7ceff34 RP |
128 | /* |
129 | * Corgi Keyboard Device | |
130 | */ | |
131 | static struct platform_device corgikbd_device = { | |
132 | .name = "corgi-keyboard", | |
133 | .id = -1, | |
134 | }; | |
135 | ||
136 | ||
137 | /* | |
138 | * Corgi Touch Screen Device | |
139 | */ | |
513b6e1a RP |
140 | static struct resource corgits_resources[] = { |
141 | [0] = { | |
142 | .start = CORGI_IRQ_GPIO_TP_INT, | |
143 | .end = CORGI_IRQ_GPIO_TP_INT, | |
144 | .flags = IORESOURCE_IRQ, | |
145 | }, | |
146 | }; | |
147 | ||
148 | static struct corgits_machinfo corgi_ts_machinfo = { | |
149 | .get_hsync_len = corgi_get_hsync_len, | |
150 | .put_hsync = corgi_put_hsync, | |
151 | .wait_hsync = corgi_wait_hsync, | |
152 | }; | |
153 | ||
f7ceff34 RP |
154 | static struct platform_device corgits_device = { |
155 | .name = "corgi-ts", | |
156 | .dev = { | |
157 | .parent = &corgissp_device.dev, | |
513b6e1a | 158 | .platform_data = &corgi_ts_machinfo, |
f7ceff34 RP |
159 | }, |
160 | .id = -1, | |
513b6e1a RP |
161 | .num_resources = ARRAY_SIZE(corgits_resources), |
162 | .resource = corgits_resources, | |
f7ceff34 RP |
163 | }; |
164 | ||
165 | ||
1da177e4 LT |
166 | /* |
167 | * MMC/SD Device | |
168 | * | |
aa6c2e79 | 169 | * The card detect interrupt isn't debounced so we delay it by 250ms |
1da177e4 LT |
170 | * to give the card a chance to fully insert/eject. |
171 | */ | |
aa6c2e79 | 172 | static struct pxamci_platform_data corgi_mci_platform_data; |
1da177e4 | 173 | |
aa6c2e79 | 174 | static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data) |
1da177e4 LT |
175 | { |
176 | int err; | |
177 | ||
178 | /* setup GPIO for PXA25x MMC controller */ | |
179 | pxa_gpio_mode(GPIO6_MMCCLK_MD); | |
180 | pxa_gpio_mode(GPIO8_MMCCS0_MD); | |
181 | pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN); | |
182 | pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT); | |
183 | ||
aa6c2e79 | 184 | corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250); |
1da177e4 | 185 | |
aa6c2e79 | 186 | err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, SA_INTERRUPT, |
1da177e4 LT |
187 | "MMC card detect", data); |
188 | if (err) { | |
189 | printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); | |
190 | return -1; | |
191 | } | |
192 | ||
193 | set_irq_type(CORGI_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); | |
194 | ||
195 | return 0; | |
196 | } | |
197 | ||
198 | static void corgi_mci_setpower(struct device *dev, unsigned int vdd) | |
199 | { | |
200 | struct pxamci_platform_data* p_d = dev->platform_data; | |
201 | ||
fdce05bb | 202 | if (( 1 << vdd) & p_d->ocr_mask) |
1da177e4 | 203 | GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR); |
fdce05bb | 204 | else |
1da177e4 | 205 | GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR); |
1da177e4 LT |
206 | } |
207 | ||
3870ee8c RP |
208 | static int corgi_mci_get_ro(struct device *dev) |
209 | { | |
210 | return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP); | |
211 | } | |
212 | ||
1da177e4 LT |
213 | static void corgi_mci_exit(struct device *dev, void *data) |
214 | { | |
215 | free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data); | |
1da177e4 LT |
216 | } |
217 | ||
218 | static struct pxamci_platform_data corgi_mci_platform_data = { | |
219 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
220 | .init = corgi_mci_init, | |
3870ee8c | 221 | .get_ro = corgi_mci_get_ro, |
1da177e4 LT |
222 | .setpower = corgi_mci_setpower, |
223 | .exit = corgi_mci_exit, | |
224 | }; | |
225 | ||
226 | ||
f7ceff34 | 227 | |
1da177e4 LT |
228 | /* |
229 | * USB Device Controller | |
230 | */ | |
231 | static void corgi_udc_command(int cmd) | |
232 | { | |
233 | switch(cmd) { | |
234 | case PXA2XX_UDC_CMD_CONNECT: | |
235 | GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP); | |
236 | break; | |
237 | case PXA2XX_UDC_CMD_DISCONNECT: | |
238 | GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP); | |
239 | break; | |
240 | } | |
241 | } | |
242 | ||
243 | static struct pxa2xx_udc_mach_info udc_info __initdata = { | |
244 | /* no connect GPIO; corgi can't tell connection status */ | |
245 | .udc_command = corgi_udc_command, | |
246 | }; | |
247 | ||
248 | ||
249 | static struct platform_device *devices[] __initdata = { | |
250 | &corgiscoop_device, | |
251 | &corgissp_device, | |
252 | &corgifb_device, | |
f7ceff34 | 253 | &corgikbd_device, |
1da177e4 | 254 | &corgibl_device, |
f7ceff34 | 255 | &corgits_device, |
1da177e4 LT |
256 | }; |
257 | ||
258 | static void __init corgi_init(void) | |
259 | { | |
fdce05bb RP |
260 | /* setup sleep mode values */ |
261 | PWER = 0x00000002; | |
262 | PFER = 0x00000000; | |
263 | PRER = 0x00000002; | |
264 | PGSR0 = 0x0158C000; | |
265 | PGSR1 = 0x00FF0080; | |
266 | PGSR2 = 0x0001C004; | |
267 | /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ | |
268 | PCFR |= PCFR_OPDE; | |
269 | ||
50a5de44 RP |
270 | corgi_ssp_set_machinfo(&corgi_ssp_machinfo); |
271 | ||
1da177e4 | 272 | pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT); |
513b6e1a | 273 | pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN); |
1da177e4 LT |
274 | pxa_set_udc_info(&udc_info); |
275 | pxa_set_mci_info(&corgi_mci_platform_data); | |
276 | ||
0ce7625f RP |
277 | scoop_num = 1; |
278 | scoop_devs = &corgi_pcmcia_scoop[0]; | |
279 | ||
1da177e4 LT |
280 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
281 | } | |
282 | ||
283 | static void __init fixup_corgi(struct machine_desc *desc, | |
284 | struct tag *tags, char **cmdline, struct meminfo *mi) | |
285 | { | |
286 | sharpsl_save_param(); | |
287 | mi->nr_banks=1; | |
288 | mi->bank[0].start = 0xa0000000; | |
289 | mi->bank[0].node = 0; | |
290 | if (machine_is_corgi()) | |
291 | mi->bank[0].size = (32*1024*1024); | |
292 | else | |
293 | mi->bank[0].size = (64*1024*1024); | |
294 | } | |
295 | ||
1da177e4 LT |
296 | #ifdef CONFIG_MACH_CORGI |
297 | MACHINE_START(CORGI, "SHARP Corgi") | |
e9dea0c6 RK |
298 | .phys_ram = 0xa0000000, |
299 | .phys_io = 0x40000000, | |
68070bde | 300 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 301 | .fixup = fixup_corgi, |
fdce05bb RP |
302 | .map_io = pxa_map_io, |
303 | .init_irq = pxa_init_irq, | |
e9dea0c6 RK |
304 | .init_machine = corgi_init, |
305 | .timer = &pxa_timer, | |
1da177e4 LT |
306 | MACHINE_END |
307 | #endif | |
308 | ||
309 | #ifdef CONFIG_MACH_SHEPHERD | |
310 | MACHINE_START(SHEPHERD, "SHARP Shepherd") | |
e9dea0c6 RK |
311 | .phys_ram = 0xa0000000, |
312 | .phys_io = 0x40000000, | |
68070bde | 313 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 314 | .fixup = fixup_corgi, |
fdce05bb RP |
315 | .map_io = pxa_map_io, |
316 | .init_irq = pxa_init_irq, | |
e9dea0c6 RK |
317 | .init_machine = corgi_init, |
318 | .timer = &pxa_timer, | |
1da177e4 LT |
319 | MACHINE_END |
320 | #endif | |
321 | ||
322 | #ifdef CONFIG_MACH_HUSKY | |
323 | MACHINE_START(HUSKY, "SHARP Husky") | |
e9dea0c6 RK |
324 | .phys_ram = 0xa0000000, |
325 | .phys_io = 0x40000000, | |
68070bde | 326 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 327 | .fixup = fixup_corgi, |
fdce05bb RP |
328 | .map_io = pxa_map_io, |
329 | .init_irq = pxa_init_irq, | |
e9dea0c6 RK |
330 | .init_machine = corgi_init, |
331 | .timer = &pxa_timer, | |
1da177e4 LT |
332 | MACHINE_END |
333 | #endif | |
334 |