2 * linux/arch/arm/mach-pxa/poodle.c
4 * Support for the SHARP Poodle Board.
7 * linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre
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.
14 * 12-Dec-2002 Sharp Corporation for Poodle
15 * John Lenz <lenz@cs.wisc.edu> updates to 2.6
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/platform_device.h>
22 #include <asm/hardware.h>
23 #include <asm/mach-types.h>
25 #include <asm/setup.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/irq.h>
31 #include <asm/arch/pxa-regs.h>
32 #include <asm/arch/mmc.h>
33 #include <asm/arch/udc.h>
34 #include <asm/arch/irda.h>
35 #include <asm/arch/poodle.h>
36 #include <asm/arch/pxafb.h>
38 #include <asm/hardware/scoop.h>
39 #include <asm/hardware/locomo.h>
40 #include <asm/mach/sharpsl_param.h>
44 static struct resource poodle_scoop_resources
[] = {
48 .flags
= IORESOURCE_MEM
,
52 static struct scoop_config poodle_scoop_setup
= {
53 .io_dir
= POODLE_SCOOP_IO_DIR
,
54 .io_out
= POODLE_SCOOP_IO_OUT
,
57 struct platform_device poodle_scoop_device
= {
58 .name
= "sharp-scoop",
61 .platform_data
= &poodle_scoop_setup
,
63 .num_resources
= ARRAY_SIZE(poodle_scoop_resources
),
64 .resource
= poodle_scoop_resources
,
67 static void poodle_pcmcia_init(void)
69 /* Setup default state of GPIO outputs
70 before we enable them as outputs. */
71 GPSR(GPIO48_nPOE
) = GPIO_bit(GPIO48_nPOE
) |
72 GPIO_bit(GPIO49_nPWE
) | GPIO_bit(GPIO50_nPIOR
) |
73 GPIO_bit(GPIO51_nPIOW
) | GPIO_bit(GPIO52_nPCE_1
) |
74 GPIO_bit(GPIO53_nPCE_2
);
76 pxa_gpio_mode(GPIO48_nPOE_MD
);
77 pxa_gpio_mode(GPIO49_nPWE_MD
);
78 pxa_gpio_mode(GPIO50_nPIOR_MD
);
79 pxa_gpio_mode(GPIO51_nPIOW_MD
);
80 pxa_gpio_mode(GPIO55_nPREG_MD
);
81 pxa_gpio_mode(GPIO56_nPWAIT_MD
);
82 pxa_gpio_mode(GPIO57_nIOIS16_MD
);
83 pxa_gpio_mode(GPIO52_nPCE_1_MD
);
84 pxa_gpio_mode(GPIO53_nPCE_2_MD
);
85 pxa_gpio_mode(GPIO54_pSKTSEL_MD
);
88 static struct scoop_pcmcia_dev poodle_pcmcia_scoop
[] = {
90 .dev
= &poodle_scoop_device
.dev
,
91 .irq
= POODLE_IRQ_GPIO_CF_IRQ
,
92 .cd_irq
= POODLE_IRQ_GPIO_CF_CD
,
93 .cd_irq_str
= "PCMCIA0 CD",
97 static struct scoop_pcmcia_config poodle_pcmcia_config
= {
98 .devs
= &poodle_pcmcia_scoop
[0],
100 .pcmcia_init
= poodle_pcmcia_init
,
103 EXPORT_SYMBOL(poodle_scoop_device
);
107 static struct resource locomo_resources
[] = {
111 .flags
= IORESOURCE_MEM
,
114 .start
= IRQ_GPIO(10),
116 .flags
= IORESOURCE_IRQ
,
120 static struct platform_device locomo_device
= {
123 .num_resources
= ARRAY_SIZE(locomo_resources
),
124 .resource
= locomo_resources
,
131 * The card detect interrupt isn't debounced so we delay it by 250ms
132 * to give the card a chance to fully insert/eject.
134 static struct pxamci_platform_data poodle_mci_platform_data
;
136 static int poodle_mci_init(struct device
*dev
, irqreturn_t (*poodle_detect_int
)(int, void *, struct pt_regs
*), void *data
)
140 /* setup GPIO for PXA25x MMC controller */
141 pxa_gpio_mode(GPIO6_MMCCLK_MD
);
142 pxa_gpio_mode(GPIO8_MMCCS0_MD
);
143 pxa_gpio_mode(POODLE_GPIO_nSD_DETECT
| GPIO_IN
);
144 pxa_gpio_mode(POODLE_GPIO_SD_PWR
| GPIO_OUT
);
146 poodle_mci_platform_data
.detect_delay
= msecs_to_jiffies(250);
148 err
= request_irq(POODLE_IRQ_GPIO_nSD_DETECT
, poodle_detect_int
,
149 SA_INTERRUPT
| SA_TRIGGER_RISING
| SA_TRIGGER_FALLING
,
150 "MMC card detect", data
);
152 printk(KERN_ERR
"poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
159 static void poodle_mci_setpower(struct device
*dev
, unsigned int vdd
)
161 struct pxamci_platform_data
* p_d
= dev
->platform_data
;
163 if (( 1 << vdd
) & p_d
->ocr_mask
)
164 GPSR1
= GPIO_bit(POODLE_GPIO_SD_PWR
);
166 GPCR1
= GPIO_bit(POODLE_GPIO_SD_PWR
);
169 static void poodle_mci_exit(struct device
*dev
, void *data
)
171 free_irq(POODLE_IRQ_GPIO_nSD_DETECT
, data
);
174 static struct pxamci_platform_data poodle_mci_platform_data
= {
175 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
176 .init
= poodle_mci_init
,
177 .setpower
= poodle_mci_setpower
,
178 .exit
= poodle_mci_exit
,
185 static void poodle_irda_transceiver_mode(struct device
*dev
, int mode
)
188 GPSR(POODLE_GPIO_IR_ON
) = GPIO_bit(POODLE_GPIO_IR_ON
);
190 GPCR(POODLE_GPIO_IR_ON
) = GPIO_bit(POODLE_GPIO_IR_ON
);
194 static struct pxaficp_platform_data poodle_ficp_platform_data
= {
195 .transceiver_cap
= IR_SIRMODE
| IR_OFF
,
196 .transceiver_mode
= poodle_irda_transceiver_mode
,
201 * USB Device Controller
203 static void poodle_udc_command(int cmd
)
206 case PXA2XX_UDC_CMD_CONNECT
:
207 GPSR(POODLE_GPIO_USB_PULLUP
) = GPIO_bit(POODLE_GPIO_USB_PULLUP
);
209 case PXA2XX_UDC_CMD_DISCONNECT
:
210 GPCR(POODLE_GPIO_USB_PULLUP
) = GPIO_bit(POODLE_GPIO_USB_PULLUP
);
215 static struct pxa2xx_udc_mach_info udc_info __initdata
= {
216 /* no connect GPIO; poodle can't tell connection status */
217 .udc_command
= poodle_udc_command
,
222 static struct pxafb_mach_info poodle_fb_info __initdata
= {
236 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
238 .lccr0
= LCCR0_Act
| LCCR0_Sngl
| LCCR0_Color
,
241 .pxafb_backlight_power
= NULL
,
242 .pxafb_lcd_power
= NULL
,
245 static struct platform_device
*devices
[] __initdata
= {
247 &poodle_scoop_device
,
250 static void __init
poodle_init(void)
254 /* setup sleep mode values */
269 /* Alternate Register */
270 GAFR0_L
= 0x01001000;
271 GAFR0_U
= 0x591a8010;
272 GAFR1_L
= 0x900a8451;
273 GAFR1_U
= 0xaaa5aaaa;
274 GAFR2_L
= 0x8aaaaaaa;
275 GAFR2_U
= 0x00000002;
277 /* Direction Register */
282 /* Output Register */
291 set_pxa_fb_info(&poodle_fb_info
);
292 pxa_gpio_mode(POODLE_GPIO_USB_PULLUP
| GPIO_OUT
);
293 pxa_gpio_mode(POODLE_GPIO_IR_ON
| GPIO_OUT
);
294 pxa_set_udc_info(&udc_info
);
295 pxa_set_mci_info(&poodle_mci_platform_data
);
296 pxa_set_ficp_info(&poodle_ficp_platform_data
);
298 platform_scoop_config
= &poodle_pcmcia_config
;
300 ret
= platform_add_devices(devices
, ARRAY_SIZE(devices
));
302 printk(KERN_WARNING
"poodle: Unable to register LoCoMo device\n");
306 static void __init
fixup_poodle(struct machine_desc
*desc
,
307 struct tag
*tags
, char **cmdline
, struct meminfo
*mi
)
309 sharpsl_save_param();
312 MACHINE_START(POODLE
, "SHARP Poodle")
313 .phys_io
= 0x40000000,
314 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
315 .fixup
= fixup_poodle
,
316 .map_io
= pxa_map_io
,
317 .init_irq
= pxa_init_irq
,
319 .init_machine
= poodle_init
,