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,