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/irq.h>
33 #include <asm/arch/mmc.h>
34 #include <asm/arch/udc.h>
35 #include <asm/arch/irda.h>
36 #include <asm/arch/poodle.h>
37 #include <asm/arch/pxafb.h>
39 #include <asm/hardware/scoop.h>
40 #include <asm/hardware/locomo.h>
41 #include <asm/mach/sharpsl_param.h>
45 static struct resource poodle_scoop_resources[] = {
49 .flags = IORESOURCE_MEM,
53 static struct scoop_config poodle_scoop_setup = {
54 .io_dir = POODLE_SCOOP_IO_DIR,
55 .io_out = POODLE_SCOOP_IO_OUT,
58 struct platform_device poodle_scoop_device = {
59 .name = "sharp-scoop",
62 .platform_data = &poodle_scoop_setup,
64 .num_resources = ARRAY_SIZE(poodle_scoop_resources),
65 .resource = poodle_scoop_resources,
68 static void poodle_pcmcia_init(void)
70 /* Setup default state of GPIO outputs
71 before we enable them as outputs. */
72 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
73 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
74 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
75 GPIO_bit(GPIO53_nPCE_2);
77 pxa_gpio_mode(GPIO48_nPOE_MD);
78 pxa_gpio_mode(GPIO49_nPWE_MD);
79 pxa_gpio_mode(GPIO50_nPIOR_MD);
80 pxa_gpio_mode(GPIO51_nPIOW_MD);
81 pxa_gpio_mode(GPIO55_nPREG_MD);
82 pxa_gpio_mode(GPIO56_nPWAIT_MD);
83 pxa_gpio_mode(GPIO57_nIOIS16_MD);
84 pxa_gpio_mode(GPIO52_nPCE_1_MD);
85 pxa_gpio_mode(GPIO53_nPCE_2_MD);
86 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
89 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
91 .dev = &poodle_scoop_device.dev,
92 .irq = POODLE_IRQ_GPIO_CF_IRQ,
93 .cd_irq = POODLE_IRQ_GPIO_CF_CD,
94 .cd_irq_str = "PCMCIA0 CD",
98 static struct scoop_pcmcia_config poodle_pcmcia_config = {
99 .devs = &poodle_pcmcia_scoop[0],
101 .pcmcia_init = poodle_pcmcia_init,
104 EXPORT_SYMBOL(poodle_scoop_device);
108 static struct resource locomo_resources[] = {
112 .flags = IORESOURCE_MEM,
115 .start = IRQ_GPIO(10),
117 .flags = IORESOURCE_IRQ,
121 static struct platform_device locomo_device = {
124 .num_resources = ARRAY_SIZE(locomo_resources),
125 .resource = locomo_resources,
132 * The card detect interrupt isn't debounced so we delay it by 250ms
133 * to give the card a chance to fully insert/eject.
135 static struct pxamci_platform_data poodle_mci_platform_data;
137 static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data)
141 /* setup GPIO for PXA25x MMC controller */
142 pxa_gpio_mode(GPIO6_MMCCLK_MD);
143 pxa_gpio_mode(GPIO8_MMCCS0_MD);
144 pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
145 pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
147 poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
149 err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
150 SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
151 "MMC card detect", data);
153 printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
160 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
162 struct pxamci_platform_data* p_d = dev->platform_data;
164 if (( 1 << vdd) & p_d->ocr_mask)
165 GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
167 GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
170 static void poodle_mci_exit(struct device *dev, void *data)
172 free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
175 static struct pxamci_platform_data poodle_mci_platform_data = {
176 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
177 .init = poodle_mci_init,
178 .setpower = poodle_mci_setpower,
179 .exit = poodle_mci_exit,
186 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
189 GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
191 GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
195 static struct pxaficp_platform_data poodle_ficp_platform_data = {
196 .transceiver_cap = IR_SIRMODE | IR_OFF,
197 .transceiver_mode = poodle_irda_transceiver_mode,
202 * USB Device Controller
204 static void poodle_udc_command(int cmd)
207 case PXA2XX_UDC_CMD_CONNECT:
208 GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
210 case PXA2XX_UDC_CMD_DISCONNECT:
211 GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
216 static struct pxa2xx_udc_mach_info udc_info __initdata = {
217 /* no connect GPIO; poodle can't tell connection status */
218 .udc_command = poodle_udc_command,
223 static struct pxafb_mach_info poodle_fb_info __initdata = {
237 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
239 .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
242 .pxafb_backlight_power = NULL,
243 .pxafb_lcd_power = NULL,
246 static struct platform_device *devices[] __initdata = {
248 &poodle_scoop_device,
251 static void __init poodle_init(void)
255 /* setup sleep mode values */
270 /* Alternate Register */
271 GAFR0_L = 0x01001000;
272 GAFR0_U = 0x591a8010;
273 GAFR1_L = 0x900a8451;
274 GAFR1_U = 0xaaa5aaaa;
275 GAFR2_L = 0x8aaaaaaa;
276 GAFR2_U = 0x00000002;
278 /* Direction Register */
283 /* Output Register */
292 set_pxa_fb_info(&poodle_fb_info);
293 pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
294 pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
295 pxa_set_udc_info(&udc_info);
296 pxa_set_mci_info(&poodle_mci_platform_data);
297 pxa_set_ficp_info(&poodle_ficp_platform_data);
299 platform_scoop_config = &poodle_pcmcia_config;
301 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
303 printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
307 static void __init fixup_poodle(struct machine_desc *desc,
308 struct tag *tags, char **cmdline, struct meminfo *mi)
310 sharpsl_save_param();
313 MACHINE_START(POODLE, "SHARP Poodle")
314 .phys_io = 0x40000000,
315 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
316 .fixup = fixup_poodle,
317 .map_io = pxa_map_io,
318 .init_irq = pxa_init_irq,
320 .init_machine = poodle_init,