Commit | Line | Data |
---|---|---|
0dd28f1d RP |
1 | /* |
2 | * Support for Sharp SL-Cxx00 Series of PDAs | |
3 | * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi) | |
4 | * | |
5 | * Copyright (c) 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/delay.h> | |
19 | #include <linux/major.h> | |
20 | #include <linux/fs.h> | |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/mmc/host.h> | |
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> | |
30 | ||
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/map.h> | |
33 | #include <asm/mach/irq.h> | |
34 | ||
35 | #include <asm/arch/pxa-regs.h> | |
36 | #include <asm/arch/irq.h> | |
37 | #include <asm/arch/mmc.h> | |
38 | #include <asm/arch/udc.h> | |
39 | #include <asm/arch/ohci.h> | |
40 | #include <asm/arch/pxafb.h> | |
41 | #include <asm/arch/akita.h> | |
42 | #include <asm/arch/spitz.h> | |
43 | #include <asm/arch/sharpsl.h> | |
44 | ||
45 | #include <asm/mach/sharpsl_param.h> | |
46 | #include <asm/hardware/scoop.h> | |
47 | ||
48 | #include "generic.h" | |
49 | #include "sharpsl.h" | |
50 | ||
51 | /* | |
52 | * Spitz SCOOP Device #1 | |
53 | */ | |
54 | static struct resource spitz_scoop_resources[] = { | |
55 | [0] = { | |
56 | .start = 0x10800000, | |
57 | .end = 0x10800fff, | |
58 | .flags = IORESOURCE_MEM, | |
59 | }, | |
60 | }; | |
61 | ||
62 | static struct scoop_config spitz_scoop_setup = { | |
63 | .io_dir = SPITZ_SCP_IO_DIR, | |
64 | .io_out = SPITZ_SCP_IO_OUT, | |
65 | .suspend_clr = SPITZ_SCP_SUS_CLR, | |
66 | .suspend_set = SPITZ_SCP_SUS_SET, | |
67 | }; | |
68 | ||
69 | struct platform_device spitzscoop_device = { | |
70 | .name = "sharp-scoop", | |
71 | .id = 0, | |
72 | .dev = { | |
73 | .platform_data = &spitz_scoop_setup, | |
74 | }, | |
75 | .num_resources = ARRAY_SIZE(spitz_scoop_resources), | |
76 | .resource = spitz_scoop_resources, | |
77 | }; | |
78 | ||
79 | /* | |
80 | * Spitz SCOOP Device #2 | |
81 | */ | |
82 | static struct resource spitz_scoop2_resources[] = { | |
83 | [0] = { | |
84 | .start = 0x08800040, | |
85 | .end = 0x08800fff, | |
86 | .flags = IORESOURCE_MEM, | |
87 | }, | |
88 | }; | |
89 | ||
90 | static struct scoop_config spitz_scoop2_setup = { | |
91 | .io_dir = SPITZ_SCP2_IO_DIR, | |
92 | .io_out = SPITZ_SCP2_IO_OUT, | |
93 | .suspend_clr = SPITZ_SCP2_SUS_CLR, | |
94 | .suspend_set = SPITZ_SCP2_SUS_SET, | |
95 | }; | |
96 | ||
97 | struct platform_device spitzscoop2_device = { | |
98 | .name = "sharp-scoop", | |
99 | .id = 1, | |
100 | .dev = { | |
101 | .platform_data = &spitz_scoop2_setup, | |
102 | }, | |
103 | .num_resources = ARRAY_SIZE(spitz_scoop2_resources), | |
104 | .resource = spitz_scoop2_resources, | |
105 | }; | |
106 | ||
107 | static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { | |
108 | { | |
109 | .dev = &spitzscoop_device.dev, | |
110 | .irq = SPITZ_IRQ_GPIO_CF_IRQ, | |
111 | .cd_irq = SPITZ_IRQ_GPIO_CF_CD, | |
112 | .cd_irq_str = "PCMCIA0 CD", | |
113 | },{ | |
114 | .dev = &spitzscoop2_device.dev, | |
115 | .irq = SPITZ_IRQ_GPIO_CF2_IRQ, | |
116 | .cd_irq = -1, | |
117 | }, | |
118 | }; | |
119 | ||
120 | ||
121 | /* | |
122 | * Spitz SSP Device | |
123 | * | |
124 | * Set the parent as the scoop device because a lot of SSP devices | |
125 | * also use scoop functions and this makes the power up/down order | |
126 | * work correctly. | |
127 | */ | |
128 | struct platform_device spitzssp_device = { | |
129 | .name = "corgi-ssp", | |
130 | .dev = { | |
131 | .parent = &spitzscoop_device.dev, | |
132 | }, | |
133 | .id = -1, | |
134 | }; | |
135 | ||
136 | struct corgissp_machinfo spitz_ssp_machinfo = { | |
137 | .port = 2, | |
138 | .cs_lcdcon = SPITZ_GPIO_LCDCON_CS, | |
139 | .cs_ads7846 = SPITZ_GPIO_ADS7846_CS, | |
140 | .cs_max1111 = SPITZ_GPIO_MAX1111_CS, | |
141 | .clk_lcdcon = 520, | |
142 | .clk_ads7846 = 14, | |
143 | .clk_max1111 = 56, | |
144 | }; | |
145 | ||
146 | ||
147 | /* | |
148 | * Spitz Backlight Device | |
149 | */ | |
150 | static struct corgibl_machinfo spitz_bl_machinfo = { | |
151 | .max_intensity = 0x2f, | |
152 | }; | |
153 | ||
154 | static struct platform_device spitzbl_device = { | |
155 | .name = "corgi-bl", | |
156 | .dev = { | |
157 | .platform_data = &spitz_bl_machinfo, | |
158 | }, | |
159 | .id = -1, | |
160 | }; | |
161 | ||
162 | ||
163 | /* | |
164 | * Spitz Keyboard Device | |
165 | */ | |
166 | static struct platform_device spitzkbd_device = { | |
167 | .name = "spitz-keyboard", | |
168 | .id = -1, | |
169 | }; | |
170 | ||
171 | ||
172 | /* | |
173 | * Spitz Touch Screen Device | |
174 | */ | |
175 | static struct resource spitzts_resources[] = { | |
176 | [0] = { | |
177 | .start = SPITZ_IRQ_GPIO_TP_INT, | |
178 | .end = SPITZ_IRQ_GPIO_TP_INT, | |
179 | .flags = IORESOURCE_IRQ, | |
180 | }, | |
181 | }; | |
182 | ||
183 | static struct corgits_machinfo spitz_ts_machinfo = { | |
184 | .get_hsync_len = spitz_get_hsync_len, | |
185 | .put_hsync = spitz_put_hsync, | |
186 | .wait_hsync = spitz_wait_hsync, | |
187 | }; | |
188 | ||
189 | static struct platform_device spitzts_device = { | |
190 | .name = "corgi-ts", | |
191 | .dev = { | |
192 | .parent = &spitzssp_device.dev, | |
193 | .platform_data = &spitz_ts_machinfo, | |
194 | }, | |
195 | .id = -1, | |
196 | .num_resources = ARRAY_SIZE(spitzts_resources), | |
197 | .resource = spitzts_resources, | |
198 | }; | |
199 | ||
200 | ||
201 | /* | |
202 | * MMC/SD Device | |
203 | * | |
204 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
205 | * to give the card a chance to fully insert/eject. | |
206 | */ | |
207 | ||
208 | static struct pxamci_platform_data spitz_mci_platform_data; | |
209 | ||
210 | static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data) | |
211 | { | |
212 | int err; | |
213 | ||
214 | /* setup GPIO for PXA27x MMC controller */ | |
215 | pxa_gpio_mode(GPIO32_MMCCLK_MD); | |
216 | pxa_gpio_mode(GPIO112_MMCCMD_MD); | |
217 | pxa_gpio_mode(GPIO92_MMCDAT0_MD); | |
218 | pxa_gpio_mode(GPIO109_MMCDAT1_MD); | |
219 | pxa_gpio_mode(GPIO110_MMCDAT2_MD); | |
220 | pxa_gpio_mode(GPIO111_MMCDAT3_MD); | |
221 | pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN); | |
222 | pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN); | |
223 | ||
224 | spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250); | |
225 | ||
226 | err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, SA_INTERRUPT, | |
227 | "MMC card detect", data); | |
228 | if (err) { | |
229 | printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); | |
230 | return -1; | |
231 | } | |
232 | ||
233 | set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); | |
234 | ||
235 | return 0; | |
236 | } | |
237 | ||
238 | /* Power control is shared with one of the CF slots so we have a mess */ | |
239 | static void spitz_mci_setpower(struct device *dev, unsigned int vdd) | |
240 | { | |
241 | struct pxamci_platform_data* p_d = dev->platform_data; | |
242 | ||
243 | unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); | |
244 | ||
245 | if (( 1 << vdd) & p_d->ocr_mask) { | |
246 | /* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */ | |
247 | set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); | |
248 | mdelay(2); | |
249 | write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04); | |
250 | } else { | |
251 | /* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */ | |
252 | write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04); | |
253 | ||
254 | if (!(cpr | 0x02)) { | |
255 | mdelay(1); | |
256 | reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); | |
257 | } | |
258 | } | |
259 | } | |
260 | ||
261 | static int spitz_mci_get_ro(struct device *dev) | |
262 | { | |
263 | return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP); | |
264 | } | |
265 | ||
266 | static void spitz_mci_exit(struct device *dev, void *data) | |
267 | { | |
268 | free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data); | |
269 | } | |
270 | ||
271 | static struct pxamci_platform_data spitz_mci_platform_data = { | |
272 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
273 | .init = spitz_mci_init, | |
274 | .get_ro = spitz_mci_get_ro, | |
275 | .setpower = spitz_mci_setpower, | |
276 | .exit = spitz_mci_exit, | |
277 | }; | |
278 | ||
279 | ||
280 | /* | |
281 | * Spitz PXA Framebuffer | |
282 | */ | |
283 | static struct pxafb_mach_info spitz_pxafb_info __initdata = { | |
284 | .pixclock = 19231, | |
285 | .xres = 480, | |
286 | .yres = 640, | |
287 | .bpp = 16, | |
288 | .hsync_len = 40, | |
289 | .left_margin = 46, | |
290 | .right_margin = 125, | |
291 | .vsync_len = 3, | |
292 | .upper_margin = 1, | |
293 | .lower_margin = 0, | |
294 | .sync = 0, | |
295 | .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM, | |
296 | .lccr3 = LCCR3_PixRsEdg | LCCR3_OutEnH, | |
297 | .pxafb_lcd_power = spitz_lcd_power, | |
298 | }; | |
299 | ||
300 | ||
301 | static struct platform_device *devices[] __initdata = { | |
302 | &spitzscoop_device, | |
303 | &spitzssp_device, | |
304 | &spitzkbd_device, | |
305 | &spitzts_device, | |
306 | &spitzbl_device, | |
307 | &spitzbattery_device, | |
308 | }; | |
309 | ||
310 | static void __init common_init(void) | |
311 | { | |
312 | PMCR = 0x00; | |
313 | ||
314 | /* setup sleep mode values */ | |
315 | PWER = 0x00000002; | |
316 | PFER = 0x00000000; | |
317 | PRER = 0x00000002; | |
318 | PGSR0 = 0x0158C000; | |
319 | PGSR1 = 0x00FF0080; | |
320 | PGSR2 = 0x0001C004; | |
321 | ||
322 | /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ | |
323 | PCFR |= PCFR_OPDE; | |
324 | ||
325 | corgi_ssp_set_machinfo(&spitz_ssp_machinfo); | |
326 | ||
327 | pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN); | |
328 | ||
329 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
330 | pxa_set_mci_info(&spitz_mci_platform_data); | |
331 | pxafb_device.dev.parent = &spitzssp_device.dev; | |
332 | set_pxa_fb_info(&spitz_pxafb_info); | |
333 | } | |
334 | ||
335 | static void __init spitz_init(void) | |
336 | { | |
337 | scoop_num = 2; | |
338 | scoop_devs = &spitz_pcmcia_scoop[0]; | |
339 | spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity; | |
340 | ||
341 | common_init(); | |
342 | ||
343 | platform_device_register(&spitzscoop2_device); | |
344 | } | |
345 | ||
346 | static void __init fixup_spitz(struct machine_desc *desc, | |
347 | struct tag *tags, char **cmdline, struct meminfo *mi) | |
348 | { | |
349 | sharpsl_save_param(); | |
350 | mi->nr_banks = 1; | |
351 | mi->bank[0].start = 0xa0000000; | |
352 | mi->bank[0].node = 0; | |
353 | mi->bank[0].size = (64*1024*1024); | |
354 | } | |
355 | ||
356 | #ifdef CONFIG_MACH_SPITZ | |
357 | MACHINE_START(SPITZ, "SHARP Spitz") | |
358 | .phys_ram = 0xa0000000, | |
359 | .phys_io = 0x40000000, | |
360 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
361 | .fixup = fixup_spitz, | |
362 | .map_io = pxa_map_io, | |
363 | .init_irq = pxa_init_irq, | |
364 | .init_machine = spitz_init, | |
365 | .timer = &pxa_timer, | |
366 | MACHINE_END | |
367 | #endif | |
368 | ||
369 | #ifdef CONFIG_MACH_BORZOI | |
370 | MACHINE_START(BORZOI, "SHARP Borzoi") | |
371 | .phys_ram = 0xa0000000, | |
372 | .phys_io = 0x40000000, | |
373 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
374 | .fixup = fixup_spitz, | |
375 | .map_io = pxa_map_io, | |
376 | .init_irq = pxa_init_irq, | |
377 | .init_machine = spitz_init, | |
378 | .timer = &pxa_timer, | |
379 | MACHINE_END | |
380 | #endif |