2 * Support for Sharp SL-C6000x PDAs
5 * Copyright (c) 2005 Dirk Opfer
7 * Based on code written by Sharp/Lineo for 2.4 kernels
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.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/major.h>
20 #include <linux/interrupt.h>
21 #include <linux/mmc/host.h>
23 #include <linux/delay.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/input.h>
27 #include <asm/setup.h>
28 #include <asm/memory.h>
29 #include <asm/mach-types.h>
30 #include <asm/hardware.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/i2c.h>
38 #include <asm/arch/mmc.h>
39 #include <asm/arch/udc.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
44 #include <asm/arch/tosa.h>
46 #include <asm/hardware/scoop.h>
47 #include <asm/mach/sharpsl_param.h>
52 static unsigned long tosa_pin_config
[] = {
53 GPIO78_nCS_2
, /* Scoop */
54 GPIO80_nCS_4
, /* tg6393xb */
55 GPIO33_nCS_5
, /* Scoop */
57 // GPIO76 CARD_VCC_ON1
59 GPIO19_GPIO
, /* Reset out */
60 GPIO1_RST
| WAKEUP_ON_EDGE_FALL
,
62 GPIO0_GPIO
| WAKEUP_ON_EDGE_FALL
, /* WAKE_UP */
63 GPIO2_GPIO
| WAKEUP_ON_EDGE_BOTH
, /* AC_IN */
64 GPIO3_GPIO
| WAKEUP_ON_EDGE_FALL
, /* RECORD */
65 GPIO4_GPIO
| WAKEUP_ON_EDGE_FALL
, /* SYNC */
66 GPIO20_GPIO
, /* EAR_IN */
69 GPIO5_GPIO
, /* USB_IN */
70 GPIO32_GPIO
, /* Pen IRQ */
72 GPIO7_GPIO
, /* Jacket Detect */
73 GPIO14_GPIO
, /* BAT0_CRG */
74 GPIO12_GPIO
, /* BAT1_CRG */
75 GPIO17_GPIO
, /* BAT0_LOW */
76 GPIO84_GPIO
, /* BAT1_LOW */
77 GPIO38_GPIO
, /* BAT_LOCK */
80 GPIO15_GPIO
, /* TC6393XB IRQ */
82 GPIO27_GPIO
, /* LCD Sync */
87 GPIO9_GPIO
, /* Detect */
91 GPIO13_GPIO
, /* CD_IRQ */
92 GPIO21_GPIO
, /* Main Slot IRQ */
93 GPIO36_GPIO
, /* Jacket Slot IRQ */
107 GPIO30_AC97_SDATA_OUT
,
109 GPIO29_AC97_SDATA_IN_0
,
159 static struct resource tosa_scoop_resources
[] = {
161 .start
= TOSA_CF_PHYS
,
162 .end
= TOSA_CF_PHYS
+ 0xfff,
163 .flags
= IORESOURCE_MEM
,
167 static struct scoop_config tosa_scoop_setup
= {
168 .io_dir
= TOSA_SCOOP_IO_DIR
,
169 .io_out
= TOSA_SCOOP_IO_OUT
,
173 struct platform_device tosascoop_device
= {
174 .name
= "sharp-scoop",
177 .platform_data
= &tosa_scoop_setup
,
179 .num_resources
= ARRAY_SIZE(tosa_scoop_resources
),
180 .resource
= tosa_scoop_resources
,
185 * SCOOP Device Jacket
187 static struct resource tosa_scoop_jc_resources
[] = {
189 .start
= TOSA_SCOOP_PHYS
+ 0x40,
190 .end
= TOSA_SCOOP_PHYS
+ 0xfff,
191 .flags
= IORESOURCE_MEM
,
195 static struct scoop_config tosa_scoop_jc_setup
= {
196 .io_dir
= TOSA_SCOOP_JC_IO_DIR
,
197 .io_out
= TOSA_SCOOP_JC_IO_OUT
,
200 struct platform_device tosascoop_jc_device
= {
201 .name
= "sharp-scoop",
204 .platform_data
= &tosa_scoop_jc_setup
,
205 .parent
= &tosascoop_device
.dev
,
207 .num_resources
= ARRAY_SIZE(tosa_scoop_jc_resources
),
208 .resource
= tosa_scoop_jc_resources
,
214 static struct scoop_pcmcia_dev tosa_pcmcia_scoop
[] = {
216 .dev
= &tosascoop_device
.dev
,
217 .irq
= TOSA_IRQ_GPIO_CF_IRQ
,
218 .cd_irq
= TOSA_IRQ_GPIO_CF_CD
,
219 .cd_irq_str
= "PCMCIA0 CD",
221 .dev
= &tosascoop_jc_device
.dev
,
222 .irq
= TOSA_IRQ_GPIO_JC_CF_IRQ
,
227 static struct scoop_pcmcia_config tosa_pcmcia_config
= {
228 .devs
= &tosa_pcmcia_scoop
[0],
233 * USB Device Controller
235 static void tosa_udc_command(int cmd
)
238 case PXA2XX_UDC_CMD_CONNECT
:
239 set_scoop_gpio(&tosascoop_jc_device
.dev
,TOSA_SCOOP_JC_USB_PULLUP
);
241 case PXA2XX_UDC_CMD_DISCONNECT
:
242 reset_scoop_gpio(&tosascoop_jc_device
.dev
,TOSA_SCOOP_JC_USB_PULLUP
);
247 static struct pxa2xx_udc_mach_info udc_info __initdata
= {
248 .udc_command
= tosa_udc_command
,
249 .gpio_vbus
= TOSA_GPIO_USB_IN
,
250 .gpio_vbus_inverted
= 1,
256 static struct pxamci_platform_data tosa_mci_platform_data
;
258 static int tosa_mci_init(struct device
*dev
, irq_handler_t tosa_detect_int
, void *data
)
262 tosa_mci_platform_data
.detect_delay
= msecs_to_jiffies(250);
264 err
= request_irq(TOSA_IRQ_GPIO_nSD_DETECT
, tosa_detect_int
,
265 IRQF_DISABLED
| IRQF_TRIGGER_RISING
| IRQF_TRIGGER_FALLING
,
266 "MMC/SD card detect", data
);
268 printk(KERN_ERR
"tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
273 static void tosa_mci_setpower(struct device
*dev
, unsigned int vdd
)
275 struct pxamci_platform_data
* p_d
= dev
->platform_data
;
277 if (( 1 << vdd
) & p_d
->ocr_mask
) {
278 set_scoop_gpio(&tosascoop_device
.dev
,TOSA_SCOOP_PWR_ON
);
280 reset_scoop_gpio(&tosascoop_device
.dev
,TOSA_SCOOP_PWR_ON
);
284 static int tosa_mci_get_ro(struct device
*dev
)
286 return (read_scoop_reg(&tosascoop_device
.dev
, SCOOP_GPWR
)&TOSA_SCOOP_SD_WP
);
289 static void tosa_mci_exit(struct device
*dev
, void *data
)
291 free_irq(TOSA_IRQ_GPIO_nSD_DETECT
, data
);
294 static struct pxamci_platform_data tosa_mci_platform_data
= {
295 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
296 .init
= tosa_mci_init
,
297 .get_ro
= tosa_mci_get_ro
,
298 .setpower
= tosa_mci_setpower
,
299 .exit
= tosa_mci_exit
,
305 static void tosa_irda_transceiver_mode(struct device
*dev
, int mode
)
308 reset_scoop_gpio(&tosascoop_device
.dev
,TOSA_SCOOP_IR_POWERDWN
);
310 set_scoop_gpio(&tosascoop_device
.dev
,TOSA_SCOOP_IR_POWERDWN
);
314 static struct pxaficp_platform_data tosa_ficp_platform_data
= {
315 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
316 .transceiver_mode
= tosa_irda_transceiver_mode
,
322 static struct platform_device tosakbd_device
= {
323 .name
= "tosa-keyboard",
327 static struct gpio_keys_button tosa_gpio_keys
[] = {
329 * Two following keys are directly tied to "ON" button of tosa. Why?
330 * The first one can be used as a wakeup source, the second can't;
331 * also the first one is OR of ac_powered and on_button.
335 .code
= KEY_RESERVED
,
336 .gpio
= TOSA_GPIO_POWERON
,
344 .gpio
= TOSA_GPIO_ON_KEY
,
347 * can't be used as wakeup
354 .code
= TOSA_KEY_RECORD
,
355 .gpio
= TOSA_GPIO_RECORD_BTN
,
356 .desc
= "Record Button",
362 .code
= TOSA_KEY_SYNC
,
363 .gpio
= TOSA_GPIO_SYNC
,
364 .desc
= "Sync Button",
370 static struct gpio_keys_platform_data tosa_gpio_keys_platform_data
= {
371 .buttons
= tosa_gpio_keys
,
372 .nbuttons
= ARRAY_SIZE(tosa_gpio_keys
),
375 static struct platform_device tosa_gpio_keys_device
= {
379 .platform_data
= &tosa_gpio_keys_platform_data
,
386 static struct platform_device tosaled_device
= {
391 static struct platform_device
*devices
[] __initdata
= {
393 &tosascoop_jc_device
,
395 &tosa_gpio_keys_device
,
399 static void tosa_poweroff(void)
401 RCSR
= RCSR_HWR
| RCSR_WDR
| RCSR_SMR
| RCSR_GPR
;
403 pxa_gpio_mode(TOSA_GPIO_ON_RESET
| GPIO_OUT
);
404 GPSR(TOSA_GPIO_ON_RESET
) = GPIO_bit(TOSA_GPIO_ON_RESET
);
407 arm_machine_restart('h');
410 static void tosa_restart(char mode
)
412 /* Bootloader magic for a reboot */
413 if((MSC0
& 0xffff0000) == 0x7ff00000)
414 MSC0
= (MSC0
& 0xffff) | 0x7ee00000;
419 static void __init
tosa_init(void)
421 pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config
));
422 gpio_set_wake(MFP_PIN_GPIO1
, 1);
423 /* We can't pass to gpio-keys since it will drop the Reset altfunc */
425 pm_power_off
= tosa_poweroff
;
426 arm_pm_restart
= tosa_restart
;
430 /* enable batt_fault */
433 pxa_set_mci_info(&tosa_mci_platform_data
);
434 pxa_set_udc_info(&udc_info
);
435 pxa_set_ficp_info(&tosa_ficp_platform_data
);
436 pxa_set_i2c_info(NULL
);
437 platform_scoop_config
= &tosa_pcmcia_config
;
439 platform_add_devices(devices
, ARRAY_SIZE(devices
));
442 static void __init
fixup_tosa(struct machine_desc
*desc
,
443 struct tag
*tags
, char **cmdline
, struct meminfo
*mi
)
445 sharpsl_save_param();
447 mi
->bank
[0].start
= 0xa0000000;
448 mi
->bank
[0].node
= 0;
449 mi
->bank
[0].size
= (64*1024*1024);
452 MACHINE_START(TOSA
, "SHARP Tosa")
453 .phys_io
= 0x40000000,
454 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
456 .map_io
= pxa_map_io
,
457 .init_irq
= pxa25x_init_irq
,
458 .init_machine
= tosa_init
,