| /* |
| * Support for Sharp SL-C7xx PDAs |
| * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky) |
| * |
| * Copyright (c) 2004-2005 Richard Purdie |
| * |
| * Based on Sharp's 2.4 kernel patches/lubbock.c |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/device.h> |
| #include <linux/major.h> |
| #include <linux/fs.h> |
| #include <linux/interrupt.h> |
| #include <linux/mmc/host.h> |
| |
| #include <asm/setup.h> |
| #include <asm/memory.h> |
| #include <asm/mach-types.h> |
| #include <asm/hardware.h> |
| #include <asm/irq.h> |
| #include <asm/io.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/irq.h> |
| |
| #include <asm/arch/pxa-regs.h> |
| #include <asm/arch/irq.h> |
| #include <asm/arch/mmc.h> |
| #include <asm/arch/udc.h> |
| #include <asm/arch/corgi.h> |
| |
| #include <asm/mach/sharpsl_param.h> |
| #include <asm/hardware/scoop.h> |
| |
| #include "generic.h" |
| #include "sharpsl.h" |
| |
| |
| /* |
| * Corgi SCOOP Device |
| */ |
| static struct resource corgi_scoop_resources[] = { |
| [0] = { |
| .start = 0x10800000, |
| .end = 0x10800fff, |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct scoop_config corgi_scoop_setup = { |
| .io_dir = CORGI_SCOOP_IO_DIR, |
| .io_out = CORGI_SCOOP_IO_OUT, |
| }; |
| |
| static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = { |
| { |
| .dev = &corgiscoop_device.dev, |
| .irq = CORGI_IRQ_GPIO_CF_IRQ, |
| .cd_irq = CORGI_IRQ_GPIO_CF_CD, |
| .cd_irq_str = "PCMCIA0 CD", |
| }, |
| }; |
| |
| struct platform_device corgiscoop_device = { |
| .name = "sharp-scoop", |
| .id = -1, |
| .dev = { |
| .platform_data = &corgi_scoop_setup, |
| }, |
| .num_resources = ARRAY_SIZE(corgi_scoop_resources), |
| .resource = corgi_scoop_resources, |
| }; |
| |
| |
| /* |
| * Corgi SSP Device |
| * |
| * Set the parent as the scoop device because a lot of SSP devices |
| * also use scoop functions and this makes the power up/down order |
| * work correctly. |
| */ |
| struct platform_device corgissp_device = { |
| .name = "corgi-ssp", |
| .dev = { |
| .parent = &corgiscoop_device.dev, |
| }, |
| .id = -1, |
| }; |
| |
| struct corgissp_machinfo corgi_ssp_machinfo = { |
| .port = 1, |
| .cs_lcdcon = CORGI_GPIO_LCDCON_CS, |
| .cs_ads7846 = CORGI_GPIO_ADS7846_CS, |
| .cs_max1111 = CORGI_GPIO_MAX1111_CS, |
| .clk_lcdcon = 76, |
| .clk_ads7846 = 2, |
| .clk_max1111 = 8, |
| }; |
| |
| |
| /* |
| * Corgi Backlight Device |
| */ |
| static struct corgibl_machinfo corgi_bl_machinfo = { |
| .max_intensity = 0x2f, |
| .set_bl_intensity = corgi_bl_set_intensity, |
| }; |
| |
| static struct platform_device corgibl_device = { |
| .name = "corgi-bl", |
| .dev = { |
| .parent = &corgifb_device.dev, |
| .platform_data = &corgi_bl_machinfo, |
| }, |
| .id = -1, |
| }; |
| |
| |
| /* |
| * Corgi Keyboard Device |
| */ |
| static struct platform_device corgikbd_device = { |
| .name = "corgi-keyboard", |
| .id = -1, |
| }; |
| |
| |
| /* |
| * Corgi Touch Screen Device |
| */ |
| static struct resource corgits_resources[] = { |
| [0] = { |
| .start = CORGI_IRQ_GPIO_TP_INT, |
| .end = CORGI_IRQ_GPIO_TP_INT, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct corgits_machinfo corgi_ts_machinfo = { |
| .get_hsync_len = corgi_get_hsync_len, |
| .put_hsync = corgi_put_hsync, |
| .wait_hsync = corgi_wait_hsync, |
| }; |
| |
| static struct platform_device corgits_device = { |
| .name = "corgi-ts", |
| .dev = { |
| .parent = &corgissp_device.dev, |
| .platform_data = &corgi_ts_machinfo, |
| }, |
| .id = -1, |
| .num_resources = ARRAY_SIZE(corgits_resources), |
| .resource = corgits_resources, |
| }; |
| |
| |
| /* |
| * MMC/SD Device |
| * |
| * The card detect interrupt isn't debounced so we delay it by 250ms |
| * to give the card a chance to fully insert/eject. |
| */ |
| static struct pxamci_platform_data corgi_mci_platform_data; |
| |
| static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data) |
| { |
| int err; |
| |
| /* setup GPIO for PXA25x MMC controller */ |
| pxa_gpio_mode(GPIO6_MMCCLK_MD); |
| pxa_gpio_mode(GPIO8_MMCCS0_MD); |
| pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN); |
| pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT); |
| |
| corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250); |
| |
| err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int, SA_INTERRUPT, |
| "MMC card detect", data); |
| if (err) { |
| printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); |
| return -1; |
| } |
| |
| set_irq_type(CORGI_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); |
| |
| return 0; |
| } |
| |
| static void corgi_mci_setpower(struct device *dev, unsigned int vdd) |
| { |
| struct pxamci_platform_data* p_d = dev->platform_data; |
| |
| if (( 1 << vdd) & p_d->ocr_mask) |
| GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR); |
| else |
| GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR); |
| } |
| |
| static int corgi_mci_get_ro(struct device *dev) |
| { |
| return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP); |
| } |
| |
| static void corgi_mci_exit(struct device *dev, void *data) |
| { |
| free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data); |
| } |
| |
| static struct pxamci_platform_data corgi_mci_platform_data = { |
| .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
| .init = corgi_mci_init, |
| .get_ro = corgi_mci_get_ro, |
| .setpower = corgi_mci_setpower, |
| .exit = corgi_mci_exit, |
| }; |
| |
| |
| |
| /* |
| * USB Device Controller |
| */ |
| static void corgi_udc_command(int cmd) |
| { |
| switch(cmd) { |
| case PXA2XX_UDC_CMD_CONNECT: |
| GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP); |
| break; |
| case PXA2XX_UDC_CMD_DISCONNECT: |
| GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP); |
| break; |
| } |
| } |
| |
| static struct pxa2xx_udc_mach_info udc_info __initdata = { |
| /* no connect GPIO; corgi can't tell connection status */ |
| .udc_command = corgi_udc_command, |
| }; |
| |
| |
| static struct platform_device *devices[] __initdata = { |
| &corgiscoop_device, |
| &corgissp_device, |
| &corgifb_device, |
| &corgikbd_device, |
| &corgibl_device, |
| &corgits_device, |
| }; |
| |
| static void __init corgi_init(void) |
| { |
| /* setup sleep mode values */ |
| PWER = 0x00000002; |
| PFER = 0x00000000; |
| PRER = 0x00000002; |
| PGSR0 = 0x0158C000; |
| PGSR1 = 0x00FF0080; |
| PGSR2 = 0x0001C004; |
| /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */ |
| PCFR |= PCFR_OPDE; |
| |
| corgi_ssp_set_machinfo(&corgi_ssp_machinfo); |
| |
| pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT); |
| pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN); |
| pxa_set_udc_info(&udc_info); |
| pxa_set_mci_info(&corgi_mci_platform_data); |
| |
| scoop_num = 1; |
| scoop_devs = &corgi_pcmcia_scoop[0]; |
| |
| platform_add_devices(devices, ARRAY_SIZE(devices)); |
| } |
| |
| static void __init fixup_corgi(struct machine_desc *desc, |
| struct tag *tags, char **cmdline, struct meminfo *mi) |
| { |
| sharpsl_save_param(); |
| mi->nr_banks=1; |
| mi->bank[0].start = 0xa0000000; |
| mi->bank[0].node = 0; |
| if (machine_is_corgi()) |
| mi->bank[0].size = (32*1024*1024); |
| else |
| mi->bank[0].size = (64*1024*1024); |
| } |
| |
| #ifdef CONFIG_MACH_CORGI |
| MACHINE_START(CORGI, "SHARP Corgi") |
| .phys_ram = 0xa0000000, |
| .phys_io = 0x40000000, |
| .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| .fixup = fixup_corgi, |
| .map_io = pxa_map_io, |
| .init_irq = pxa_init_irq, |
| .init_machine = corgi_init, |
| .timer = &pxa_timer, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_MACH_SHEPHERD |
| MACHINE_START(SHEPHERD, "SHARP Shepherd") |
| .phys_ram = 0xa0000000, |
| .phys_io = 0x40000000, |
| .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| .fixup = fixup_corgi, |
| .map_io = pxa_map_io, |
| .init_irq = pxa_init_irq, |
| .init_machine = corgi_init, |
| .timer = &pxa_timer, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_MACH_HUSKY |
| MACHINE_START(HUSKY, "SHARP Husky") |
| .phys_ram = 0xa0000000, |
| .phys_io = 0x40000000, |
| .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| .fixup = fixup_corgi, |
| .map_io = pxa_map_io, |
| .init_irq = pxa_init_irq, |
| .init_machine = corgi_init, |
| .timer = &pxa_timer, |
| MACHINE_END |
| #endif |
| |