[ARM] 4960/1: Rewrite tosa pin configuration to use MFP tables.
[linux-2.6.git] / arch / arm / mach-pxa / tosa.c
1 /*
2  *  Support for Sharp SL-C6000x PDAs
3  *  Model: (Tosa)
4  *
5  *  Copyright (c) 2005 Dirk Opfer
6  *
7  *      Based on code written by Sharp/Lineo for 2.4 kernels
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/platform_device.h>
18 #include <linux/major.h>
19 #include <linux/fs.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
22 #include <linux/pm.h>
23 #include <linux/delay.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/input.h>
26
27 #include <asm/setup.h>
28 #include <asm/memory.h>
29 #include <asm/mach-types.h>
30 #include <asm/hardware.h>
31 #include <asm/irq.h>
32 #include <asm/system.h>
33 #include <asm/arch/pxa-regs.h>
34 #include <asm/arch/pxa2xx-regs.h>
35 #include <asm/arch/mfp-pxa25x.h>
36 #include <asm/arch/irda.h>
37 #include <asm/arch/mmc.h>
38 #include <asm/arch/udc.h>
39
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/irq.h>
43 #include <asm/arch/tosa.h>
44
45 #include <asm/hardware/scoop.h>
46 #include <asm/mach/sharpsl_param.h>
47
48 #include "generic.h"
49 #include "devices.h"
50
51 static unsigned long tosa_pin_config[] = {
52         GPIO78_nCS_2, /* Scoop */
53         GPIO80_nCS_4, /* tg6393xb */
54         GPIO33_nCS_5, /* Scoop */
55
56         // GPIO76 CARD_VCC_ON1
57
58         GPIO19_GPIO, /* Reset out */
59         GPIO1_RST | WAKEUP_ON_EDGE_FALL,
60
61         GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */
62         GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */
63         GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */
64         GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */
65         GPIO20_GPIO, /* EAR_IN */
66         GPIO22_GPIO, /* On */
67
68         GPIO5_GPIO, /* USB_IN */
69         GPIO32_GPIO, /* Pen IRQ */
70
71         GPIO7_GPIO, /* Jacket Detect */
72         GPIO14_GPIO, /* BAT0_CRG */
73         GPIO12_GPIO, /* BAT1_CRG */
74         GPIO17_GPIO, /* BAT0_LOW */
75         GPIO84_GPIO, /* BAT1_LOW */
76         GPIO38_GPIO, /* BAT_LOCK */
77
78         GPIO11_3_6MHz,
79         GPIO15_GPIO, /* TC6393XB IRQ */
80         GPIO18_RDY,
81         GPIO27_GPIO, /* LCD Sync */
82
83         /* MMC */
84         GPIO6_MMC_CLK,
85         GPIO8_MMC_CS0,
86         GPIO9_GPIO, /* Detect */
87         // GPIO10 nSD_INT
88
89         /* CF */
90         GPIO13_GPIO, /* CD_IRQ */
91         GPIO21_GPIO, /* Main Slot IRQ */
92         GPIO36_GPIO, /* Jacket Slot IRQ */
93         GPIO48_nPOE,
94         GPIO49_nPWE,
95         GPIO50_nPIOR,
96         GPIO51_nPIOW,
97         GPIO52_nPCE_1,
98         GPIO53_nPCE_2,
99         GPIO54_nPSKTSEL,
100         GPIO55_nPREG,
101         GPIO56_nPWAIT,
102         GPIO57_nIOIS16,
103
104         /* AC97 */
105         GPIO31_AC97_SYNC,
106         GPIO30_AC97_SDATA_OUT,
107         GPIO28_AC97_BITCLK,
108         GPIO29_AC97_SDATA_IN_0,
109         // GPIO79 nAUD_IRQ
110
111         /* FFUART */
112         GPIO34_FFUART_RXD,
113         GPIO35_FFUART_CTS,
114         GPIO37_FFUART_DSR,
115         GPIO39_FFUART_TXD,
116         GPIO40_FFUART_DTR,
117         GPIO41_FFUART_RTS,
118
119         /* BTUART */
120         GPIO42_BTUART_RXD,
121         GPIO43_BTUART_TXD,
122         GPIO44_BTUART_CTS,
123         GPIO45_BTUART_RTS,
124
125         /* IrDA */
126         GPIO46_STUART_RXD,
127         GPIO47_STUART_TXD,
128
129         /* Keybd */
130         GPIO58_GPIO,
131         GPIO59_GPIO,
132         GPIO60_GPIO,
133         GPIO61_GPIO,
134         GPIO62_GPIO,
135         GPIO63_GPIO,
136         GPIO64_GPIO,
137         GPIO65_GPIO,
138         GPIO66_GPIO,
139         GPIO67_GPIO,
140         GPIO68_GPIO,
141         GPIO69_GPIO,
142         GPIO70_GPIO,
143         GPIO71_GPIO,
144         GPIO72_GPIO,
145         GPIO73_GPIO,
146         GPIO74_GPIO,
147         GPIO75_GPIO,
148
149         /* SPI */
150         GPIO81_SSP2_CLK_OUT,
151         GPIO82_SSP2_FRM_OUT,
152         GPIO83_SSP2_TXD,
153 };
154
155 /*
156  * SCOOP Device
157  */
158 static struct resource tosa_scoop_resources[] = {
159         [0] = {
160                 .start  = TOSA_CF_PHYS,
161                 .end    = TOSA_CF_PHYS + 0xfff,
162                 .flags  = IORESOURCE_MEM,
163         },
164 };
165
166 static struct scoop_config tosa_scoop_setup = {
167         .io_dir         = TOSA_SCOOP_IO_DIR,
168         .io_out         = TOSA_SCOOP_IO_OUT,
169
170 };
171
172 struct platform_device tosascoop_device = {
173         .name           = "sharp-scoop",
174         .id             = 0,
175         .dev            = {
176                 .platform_data  = &tosa_scoop_setup,
177         },
178         .num_resources  = ARRAY_SIZE(tosa_scoop_resources),
179         .resource       = tosa_scoop_resources,
180 };
181
182
183 /*
184  * SCOOP Device Jacket
185  */
186 static struct resource tosa_scoop_jc_resources[] = {
187         [0] = {
188                 .start          = TOSA_SCOOP_PHYS + 0x40,
189                 .end            = TOSA_SCOOP_PHYS + 0xfff,
190                 .flags          = IORESOURCE_MEM,
191         },
192 };
193
194 static struct scoop_config tosa_scoop_jc_setup = {
195         .io_dir         = TOSA_SCOOP_JC_IO_DIR,
196         .io_out         = TOSA_SCOOP_JC_IO_OUT,
197 };
198
199 struct platform_device tosascoop_jc_device = {
200         .name           = "sharp-scoop",
201         .id             = 1,
202         .dev            = {
203                 .platform_data  = &tosa_scoop_jc_setup,
204                 .parent         = &tosascoop_device.dev,
205         },
206         .num_resources  = ARRAY_SIZE(tosa_scoop_jc_resources),
207         .resource       = tosa_scoop_jc_resources,
208 };
209
210 /*
211  * PCMCIA
212  */
213 static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
214 {
215         .dev        = &tosascoop_device.dev,
216         .irq        = TOSA_IRQ_GPIO_CF_IRQ,
217         .cd_irq     = TOSA_IRQ_GPIO_CF_CD,
218         .cd_irq_str = "PCMCIA0 CD",
219 },{
220         .dev        = &tosascoop_jc_device.dev,
221         .irq        = TOSA_IRQ_GPIO_JC_CF_IRQ,
222         .cd_irq     = -1,
223 },
224 };
225
226 static struct scoop_pcmcia_config tosa_pcmcia_config = {
227         .devs         = &tosa_pcmcia_scoop[0],
228         .num_devs     = 2,
229 };
230
231 /*
232  * USB Device Controller
233  */
234 static void tosa_udc_command(int cmd)
235 {
236         switch(cmd)     {
237                 case PXA2XX_UDC_CMD_CONNECT:
238                         set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
239                         break;
240                 case PXA2XX_UDC_CMD_DISCONNECT:
241                         reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
242                         break;
243         }
244 }
245
246 static struct pxa2xx_udc_mach_info udc_info __initdata = {
247         .udc_command            = tosa_udc_command,
248         .gpio_vbus              = TOSA_GPIO_USB_IN,
249         .gpio_vbus_inverted     = 1,
250 };
251
252 /*
253  * MMC/SD Device
254  */
255 static struct pxamci_platform_data tosa_mci_platform_data;
256
257 static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
258 {
259         int err;
260
261         tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
262
263         err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
264                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
265                                 "MMC/SD card detect", data);
266         if (err)
267                 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
268
269         return err;
270 }
271
272 static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
273 {
274         struct pxamci_platform_data* p_d = dev->platform_data;
275
276         if (( 1 << vdd) & p_d->ocr_mask) {
277                 set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
278         } else {
279                 reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
280         }
281 }
282
283 static int tosa_mci_get_ro(struct device *dev)
284 {
285         return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
286 }
287
288 static void tosa_mci_exit(struct device *dev, void *data)
289 {
290         free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
291 }
292
293 static struct pxamci_platform_data tosa_mci_platform_data = {
294         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
295         .init           = tosa_mci_init,
296         .get_ro         = tosa_mci_get_ro,
297         .setpower       = tosa_mci_setpower,
298         .exit           = tosa_mci_exit,
299 };
300
301 /*
302  * Irda
303  */
304 static void tosa_irda_transceiver_mode(struct device *dev, int mode)
305 {
306         if (mode & IR_OFF) {
307                 reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
308         } else {
309                 set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
310         }
311 }
312
313 static struct pxaficp_platform_data tosa_ficp_platform_data = {
314         .transceiver_cap  = IR_SIRMODE | IR_OFF,
315         .transceiver_mode = tosa_irda_transceiver_mode,
316 };
317
318 /*
319  * Tosa Keyboard
320  */
321 static struct platform_device tosakbd_device = {
322         .name           = "tosa-keyboard",
323         .id             = -1,
324 };
325
326 static struct gpio_keys_button tosa_gpio_keys[] = {
327         {
328                 .type   = EV_PWR,
329                 .code   = KEY_SUSPEND,
330                 .gpio   = TOSA_GPIO_ON_KEY,
331                 .desc   = "On key",
332                 .wakeup = 1,
333                 .active_low = 1,
334         },
335         {
336                 .type   = EV_KEY,
337                 .code   = TOSA_KEY_RECORD,
338                 .gpio   = TOSA_GPIO_RECORD_BTN,
339                 .desc   = "Record Button",
340                 .wakeup = 1,
341                 .active_low = 1,
342         },
343         {
344                 .type   = EV_KEY,
345                 .code   = TOSA_KEY_SYNC,
346                 .gpio   = TOSA_GPIO_SYNC,
347                 .desc   = "Sync Button",
348                 .wakeup = 1,
349                 .active_low = 1,
350         },
351 };
352
353 static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
354         .buttons        = tosa_gpio_keys,
355         .nbuttons       = ARRAY_SIZE(tosa_gpio_keys),
356 };
357
358 static struct platform_device tosa_gpio_keys_device = {
359         .name   = "gpio-keys",
360         .id     = -1,
361         .dev    = {
362                 .platform_data  = &tosa_gpio_keys_platform_data,
363         },
364 };
365
366 /*
367  * Tosa LEDs
368  */
369 static struct platform_device tosaled_device = {
370     .name   = "tosa-led",
371     .id     = -1,
372 };
373
374 static struct platform_device *devices[] __initdata = {
375         &tosascoop_device,
376         &tosascoop_jc_device,
377         &tosakbd_device,
378         &tosa_gpio_keys_device,
379         &tosaled_device,
380 };
381
382 static void tosa_poweroff(void)
383 {
384         RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
385
386         pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
387         GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
388
389         mdelay(1000);
390         arm_machine_restart('h');
391 }
392
393 static void tosa_restart(char mode)
394 {
395         /* Bootloader magic for a reboot */
396         if((MSC0 & 0xffff0000) == 0x7ff00000)
397                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
398
399         tosa_poweroff();
400 }
401
402 static void __init tosa_init(void)
403 {
404         pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
405         gpio_set_wake(MFP_PIN_GPIO1, 1);
406         /* We can't pass to gpio-keys since it will drop the Reset altfunc */
407
408         pm_power_off = tosa_poweroff;
409         arm_pm_restart = tosa_restart;
410
411         PCFR |= PCFR_OPDE;
412
413         /* enable batt_fault */
414         PMCR = 0x01;
415
416         pxa_set_mci_info(&tosa_mci_platform_data);
417         pxa_set_udc_info(&udc_info);
418         pxa_set_ficp_info(&tosa_ficp_platform_data);
419         platform_scoop_config = &tosa_pcmcia_config;
420
421         platform_add_devices(devices, ARRAY_SIZE(devices));
422 }
423
424 static void __init fixup_tosa(struct machine_desc *desc,
425                 struct tag *tags, char **cmdline, struct meminfo *mi)
426 {
427         sharpsl_save_param();
428         mi->nr_banks=1;
429         mi->bank[0].start = 0xa0000000;
430         mi->bank[0].node = 0;
431         mi->bank[0].size = (64*1024*1024);
432 }
433
434 MACHINE_START(TOSA, "SHARP Tosa")
435         .phys_io        = 0x40000000,
436         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
437         .fixup          = fixup_tosa,
438         .map_io         = pxa_map_io,
439         .init_irq       = pxa25x_init_irq,
440         .init_machine   = tosa_init,
441         .timer          = &pxa_timer,
442 MACHINE_END