/* * linux/arch/arm/mach-pxa/poodle.c * * Support for the SHARP Poodle Board. * * Based on: * linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre * * 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. * * Change Log * 12-Dec-2002 Sharp Corporation for Poodle * John Lenz <lenz@cs.wisc.edu> updates to 2.6 */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/fb.h> #include <linux/pm.h> #include <linux/delay.h> #include <asm/hardware.h> #include <asm/mach-types.h> #include <asm/irq.h> #include <asm/setup.h> #include <asm/system.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/mmc.h> #include <asm/arch/udc.h> #include <asm/arch/irda.h> #include <asm/arch/poodle.h> #include <asm/arch/pxafb.h> #include <asm/arch/sharpsl.h> #include <asm/arch/ssp.h> #include <asm/hardware/scoop.h> #include <asm/hardware/locomo.h> #include <asm/mach/sharpsl_param.h> #include "generic.h" #include "devices.h" #include "sharpsl.h" static struct resource poodle_scoop_resources[] = { [0] = { .start = 0x10800000, .end = 0x10800fff, .flags = IORESOURCE_MEM, }, }; static struct scoop_config poodle_scoop_setup = { .io_dir = POODLE_SCOOP_IO_DIR, .io_out = POODLE_SCOOP_IO_OUT, }; struct platform_device poodle_scoop_device = { .name = "sharp-scoop", .id = -1, .dev = { .platform_data = &poodle_scoop_setup, }, .num_resources = ARRAY_SIZE(poodle_scoop_resources), .resource = poodle_scoop_resources, }; static void poodle_pcmcia_init(void) { /* Setup default state of GPIO outputs before we enable them as outputs. */ GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) | GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) | GPIO_bit(GPIO53_nPCE_2); pxa_gpio_mode(GPIO48_nPOE_MD); pxa_gpio_mode(GPIO49_nPWE_MD); pxa_gpio_mode(GPIO50_nPIOR_MD); pxa_gpio_mode(GPIO51_nPIOW_MD); pxa_gpio_mode(GPIO55_nPREG_MD); pxa_gpio_mode(GPIO56_nPWAIT_MD); pxa_gpio_mode(GPIO57_nIOIS16_MD); pxa_gpio_mode(GPIO52_nPCE_1_MD); pxa_gpio_mode(GPIO53_nPCE_2_MD); pxa_gpio_mode(GPIO54_pSKTSEL_MD); } static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = { { .dev = &poodle_scoop_device.dev, .irq = POODLE_IRQ_GPIO_CF_IRQ, .cd_irq = POODLE_IRQ_GPIO_CF_CD, .cd_irq_str = "PCMCIA0 CD", }, }; static struct scoop_pcmcia_config poodle_pcmcia_config = { .devs = &poodle_pcmcia_scoop[0], .num_devs = 1, .pcmcia_init = poodle_pcmcia_init, }; EXPORT_SYMBOL(poodle_scoop_device); /* LoCoMo device */ static struct resource locomo_resources[] = { [0] = { .start = 0x10000000, .end = 0x10001fff, .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_GPIO(10), .end = IRQ_GPIO(10), .flags = IORESOURCE_IRQ, }, }; struct platform_device poodle_locomo_device = { .name = "locomo", .id = 0, .num_resources = ARRAY_SIZE(locomo_resources), .resource = locomo_resources, }; EXPORT_SYMBOL(poodle_locomo_device); /* * Poodle SSP Device */ struct platform_device poodle_ssp_device = { .name = "corgi-ssp", .id = -1, }; struct corgissp_machinfo poodle_ssp_machinfo = { .port = 1, .cs_lcdcon = -1, .cs_ads7846 = -1, .cs_max1111 = -1, .clk_lcdcon = 2, .clk_ads7846 = 36, .clk_max1111 = 2, }; /* * Poodle Touch Screen Device */ static struct resource poodlets_resources[] = { [0] = { .start = POODLE_IRQ_GPIO_TP_INT, .end = POODLE_IRQ_GPIO_TP_INT, .flags = IORESOURCE_IRQ, }, }; static unsigned long poodle_get_hsync_len(void) { return 0; } static void poodle_null_hsync(void) { } static struct corgits_machinfo poodle_ts_machinfo = { .get_hsync_len = poodle_get_hsync_len, .put_hsync = poodle_null_hsync, .wait_hsync = poodle_null_hsync, }; static struct platform_device poodle_ts_device = { .name = "corgi-ts", .dev = { .platform_data = &poodle_ts_machinfo, }, .id = -1, .num_resources = ARRAY_SIZE(poodlets_resources), .resource = poodlets_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 poodle_mci_platform_data; static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, 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(POODLE_GPIO_nSD_DETECT | GPIO_IN); pxa_gpio_mode(POODLE_GPIO_nSD_WP | GPIO_IN); pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT); pxa_gpio_mode(POODLE_GPIO_SD_PWR1 | GPIO_OUT); poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250); err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "MMC card detect", data); if (err) { printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); return -1; } return 0; } static void poodle_mci_setpower(struct device *dev, unsigned int vdd) { struct pxamci_platform_data* p_d = dev->platform_data; if (( 1 << vdd) & p_d->ocr_mask) { GPSR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR); mdelay(2); GPSR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1); } else { GPCR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1); GPCR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR); } } static int poodle_mci_get_ro(struct device *dev) { return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP); } static void poodle_mci_exit(struct device *dev, void *data) { free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data); } static struct pxamci_platform_data poodle_mci_platform_data = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .init = poodle_mci_init, .get_ro = poodle_mci_get_ro, .setpower = poodle_mci_setpower, .exit = poodle_mci_exit, }; /* * Irda */ static void poodle_irda_transceiver_mode(struct device *dev, int mode) { if (mode & IR_OFF) { GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON); } else { GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON); } } static struct pxaficp_platform_data poodle_ficp_platform_data = { .transceiver_cap = IR_SIRMODE | IR_OFF, .transceiver_mode = poodle_irda_transceiver_mode, }; /* * USB Device Controller */ static void poodle_udc_command(int cmd) { switch(cmd) { case PXA2XX_UDC_CMD_CONNECT: GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); break; case PXA2XX_UDC_CMD_DISCONNECT: GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); break; } } static struct pxa2xx_udc_mach_info udc_info __initdata = { /* no connect GPIO; poodle can't tell connection status */ .udc_command = poodle_udc_command, }; /* PXAFB device */ static struct pxafb_mode_info poodle_fb_mode = { .pixclock = 144700, .xres = 320, .yres = 240, .bpp = 16, .hsync_len = 7, .left_margin = 11, .right_margin = 30, .vsync_len = 2, .upper_margin = 2, .lower_margin = 0, .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, }; static struct pxafb_mach_info poodle_fb_info = { .modes = &poodle_fb_mode, .num_modes = 1, .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color, .lccr3 = 0, }; static struct platform_device *devices[] __initdata = { &poodle_locomo_device, &poodle_scoop_device, &poodle_ssp_device, &poodle_ts_device, }; static void poodle_poweroff(void) { RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; arm_machine_restart('h'); } static void poodle_restart(char mode) { RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; arm_machine_restart('h'); } static void __init poodle_init(void) { int ret = 0; pm_power_off = poodle_poweroff; arm_pm_restart = poodle_restart; /* setup sleep mode values */ PWER = 0x00000002; PFER = 0x00000000; PRER = 0x00000002; PGSR0 = 0x00008000; PGSR1 = 0x003F0202; PGSR2 = 0x0001C000; PCFR |= PCFR_OPDE; /* cpu initialize */ /* Pgsr Register */ PGSR0 = 0x0146dd80; PGSR1 = 0x03bf0890; PGSR2 = 0x0001c000; /* Alternate Register */ GAFR0_L = 0x01001000; GAFR0_U = 0x591a8010; GAFR1_L = 0x900a8451; GAFR1_U = 0xaaa5aaaa; GAFR2_L = 0x8aaaaaaa; GAFR2_U = 0x00000002; /* Direction Register */ GPDR0 = 0xd3f0904c; GPDR1 = 0xfcffb7d3; GPDR2 = 0x0001ffff; /* Output Register */ GPCR0 = 0x00000000; GPCR1 = 0x00000000; GPCR2 = 0x00000000; GPSR0 = 0x00400000; GPSR1 = 0x00000000; GPSR2 = 0x00000000; set_pxa_fb_parent(&poodle_locomo_device.dev); set_pxa_fb_info(&poodle_fb_info); pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT); pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT); pxa_set_udc_info(&udc_info); pxa_set_mci_info(&poodle_mci_platform_data); pxa_set_ficp_info(&poodle_ficp_platform_data); platform_scoop_config = &poodle_pcmcia_config; ret = platform_add_devices(devices, ARRAY_SIZE(devices)); if (ret) { printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n"); } corgi_ssp_set_machinfo(&poodle_ssp_machinfo); } static void __init fixup_poodle(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; mi->bank[0].size = (32*1024*1024); } MACHINE_START(POODLE, "SHARP Poodle") .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_poodle, .map_io = pxa_map_io, .init_irq = pxa25x_init_irq, .timer = &pxa_timer, .init_machine = poodle_init, MACHINE_END