/* * Support for Sharp SL-Cxx00 Series of PDAs * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi) * * Copyright (c) 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/platform_device.h> #include <linux/delay.h> #include <linux/major.h> #include <linux/fs.h> #include <linux/interrupt.h> #include <linux/mmc/host.h> #include <linux/pm.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/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/irda.h> #include <asm/arch/mmc.h> #include <asm/arch/ohci.h> #include <asm/arch/udc.h> #include <asm/arch/pxafb.h> #include <asm/arch/akita.h> #include <asm/arch/spitz.h> #include <asm/arch/sharpsl.h> #include <asm/mach/sharpsl_param.h> #include <asm/hardware/scoop.h> #include "generic.h" #include "sharpsl.h" /* * Spitz SCOOP Device #1 */ static struct resource spitz_scoop_resources[] = { [0] = { .start = 0x10800000, .end = 0x10800fff, .flags = IORESOURCE_MEM, }, }; static struct scoop_config spitz_scoop_setup = { .io_dir = SPITZ_SCP_IO_DIR, .io_out = SPITZ_SCP_IO_OUT, .suspend_clr = SPITZ_SCP_SUS_CLR, .suspend_set = SPITZ_SCP_SUS_SET, }; struct platform_device spitzscoop_device = { .name = "sharp-scoop", .id = 0, .dev = { .platform_data = &spitz_scoop_setup, }, .num_resources = ARRAY_SIZE(spitz_scoop_resources), .resource = spitz_scoop_resources, }; /* * Spitz SCOOP Device #2 */ static struct resource spitz_scoop2_resources[] = { [0] = { .start = 0x08800040, .end = 0x08800fff, .flags = IORESOURCE_MEM, }, }; static struct scoop_config spitz_scoop2_setup = { .io_dir = SPITZ_SCP2_IO_DIR, .io_out = SPITZ_SCP2_IO_OUT, .suspend_clr = SPITZ_SCP2_SUS_CLR, .suspend_set = SPITZ_SCP2_SUS_SET, }; struct platform_device spitzscoop2_device = { .name = "sharp-scoop", .id = 1, .dev = { .platform_data = &spitz_scoop2_setup, }, .num_resources = ARRAY_SIZE(spitz_scoop2_resources), .resource = spitz_scoop2_resources, }; #define SPITZ_PWR_SD 0x01 #define SPITZ_PWR_CF 0x02 /* Power control is shared with between one of the CF slots and SD */ static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr) { unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); if (new_cpr & 0x0007) { set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); if (!(cpr & 0x0002) && !(cpr & 0x0004)) mdelay(5); if (device == SPITZ_PWR_CF) cpr |= 0x0002; if (device == SPITZ_PWR_SD) cpr |= 0x0004; write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); } else { if (device == SPITZ_PWR_CF) cpr &= ~0x0002; if (device == SPITZ_PWR_SD) cpr &= ~0x0004; if (!(cpr & 0x0002) && !(cpr & 0x0004)) { write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000); mdelay(1); reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); } else { write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr); } } } static void spitz_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(GPIO54_nPCE_2); GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1); 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(GPIO85_nPCE_1_MD); pxa_gpio_mode(GPIO54_nPCE_2_MD); pxa_gpio_mode(GPIO104_pSKTSEL_MD); } static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr) { /* Only need to override behaviour for slot 0 */ if (nr == 0) spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr); else write_scoop_reg(scoop, SCOOP_CPR, cpr); } static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = { { .dev = &spitzscoop_device.dev, .irq = SPITZ_IRQ_GPIO_CF_IRQ, .cd_irq = SPITZ_IRQ_GPIO_CF_CD, .cd_irq_str = "PCMCIA0 CD", },{ .dev = &spitzscoop2_device.dev, .irq = SPITZ_IRQ_GPIO_CF2_IRQ, .cd_irq = -1, }, }; static struct scoop_pcmcia_config spitz_pcmcia_config = { .devs = &spitz_pcmcia_scoop[0], .num_devs = 2, .pcmcia_init = spitz_pcmcia_init, .power_ctrl = spitz_pcmcia_pwr, }; EXPORT_SYMBOL(spitzscoop_device); EXPORT_SYMBOL(spitzscoop2_device); /* * Spitz 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 spitzssp_device = { .name = "corgi-ssp", .dev = { .parent = &spitzscoop_device.dev, }, .id = -1, }; struct corgissp_machinfo spitz_ssp_machinfo = { .port = 2, .cs_lcdcon = SPITZ_GPIO_LCDCON_CS, .cs_ads7846 = SPITZ_GPIO_ADS7846_CS, .cs_max1111 = SPITZ_GPIO_MAX1111_CS, .clk_lcdcon = 520, .clk_ads7846 = 14, .clk_max1111 = 56, }; /* * Spitz Backlight Device */ static struct corgibl_machinfo spitz_bl_machinfo = { .default_intensity = 0x1f, .limit_mask = 0x0b, .max_intensity = 0x2f, }; static struct platform_device spitzbl_device = { .name = "corgi-bl", .dev = { .platform_data = &spitz_bl_machinfo, }, .id = -1, }; /* * Spitz Keyboard Device */ static struct platform_device spitzkbd_device = { .name = "spitz-keyboard", .id = -1, }; /* * Spitz LEDs */ static struct platform_device spitzled_device = { .name = "spitz-led", .id = -1, }; /* * Spitz Touch Screen Device */ static struct resource spitzts_resources[] = { [0] = { .start = SPITZ_IRQ_GPIO_TP_INT, .end = SPITZ_IRQ_GPIO_TP_INT, .flags = IORESOURCE_IRQ, }, }; static struct corgits_machinfo spitz_ts_machinfo = { .get_hsync_len = spitz_get_hsync_len, .put_hsync = spitz_put_hsync, .wait_hsync = spitz_wait_hsync, }; static struct platform_device spitzts_device = { .name = "corgi-ts", .dev = { .parent = &spitzssp_device.dev, .platform_data = &spitz_ts_machinfo, }, .id = -1, .num_resources = ARRAY_SIZE(spitzts_resources), .resource = spitzts_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 spitz_mci_platform_data; static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data) { int err; /* setup GPIO for PXA27x MMC controller */ pxa_gpio_mode(GPIO32_MMCCLK_MD); pxa_gpio_mode(GPIO112_MMCCMD_MD); pxa_gpio_mode(GPIO92_MMCDAT0_MD); pxa_gpio_mode(GPIO109_MMCDAT1_MD); pxa_gpio_mode(GPIO110_MMCDAT2_MD); pxa_gpio_mode(GPIO111_MMCDAT3_MD); pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN); pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN); spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250); err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "MMC card detect", data); if (err) { printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); return -1; } return 0; } static void spitz_mci_setpower(struct device *dev, unsigned int vdd) { struct pxamci_platform_data* p_d = dev->platform_data; if (( 1 << vdd) & p_d->ocr_mask) spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004); else spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000); } static int spitz_mci_get_ro(struct device *dev) { return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP); } static void spitz_mci_exit(struct device *dev, void *data) { free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data); } static struct pxamci_platform_data spitz_mci_platform_data = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .init = spitz_mci_init, .get_ro = spitz_mci_get_ro, .setpower = spitz_mci_setpower, .exit = spitz_mci_exit, }; /* * USB Host (OHCI) */ static int spitz_ohci_init(struct device *dev) { /* Only Port 2 is connected */ pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT | GPIO_IN); pxa_gpio_mode(SPITZ_GPIO_USB_HOST | GPIO_OUT); pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE | GPIO_IN); /* Setup USB Port 2 Output Control Register */ UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; GPSR(SPITZ_GPIO_USB_HOST) = GPIO_bit(SPITZ_GPIO_USB_HOST); UHCHR = (UHCHR) & ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE); UHCRHDA |= UHCRHDA_NOCP; return 0; } static struct pxaohci_platform_data spitz_ohci_platform_data = { .port_mode = PMM_NPS_MODE, .init = spitz_ohci_init, .power_budget = 150, }; /* * Irda */ static void spitz_irda_transceiver_mode(struct device *dev, int mode) { if (mode & IR_OFF) set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON); else reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON); } #ifdef CONFIG_MACH_AKITA static void akita_irda_transceiver_mode(struct device *dev, int mode) { if (mode & IR_OFF) akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON); else akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON); } #endif static struct pxaficp_platform_data spitz_ficp_platform_data = { .transceiver_cap = IR_SIRMODE | IR_OFF, .transceiver_mode = spitz_irda_transceiver_mode, }; /* * Spitz PXA Framebuffer */ static struct pxafb_mode_info spitz_pxafb_modes[] = { { .pixclock = 19231, .xres = 480, .yres = 640, .bpp = 16, .hsync_len = 40, .left_margin = 46, .right_margin = 125, .vsync_len = 3, .upper_margin = 1, .lower_margin = 0, .sync = 0, },{ .pixclock = 134617, .xres = 240, .yres = 320, .bpp = 16, .hsync_len = 20, .left_margin = 20, .right_margin = 46, .vsync_len = 2, .upper_margin = 1, .lower_margin = 0, .sync = 0, }, }; static struct pxafb_mach_info spitz_pxafb_info = { .modes = &spitz_pxafb_modes[0], .num_modes = 2, .fixed_modes = 1, .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM, .lccr3 = LCCR3_PixRsEdg | LCCR3_OutEnH, .pxafb_lcd_power = spitz_lcd_power, }; static struct platform_device *devices[] __initdata = { &spitzscoop_device, &spitzssp_device, &spitzkbd_device, &spitzts_device, &spitzbl_device, &spitzled_device, }; static void spitz_poweroff(void) { RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; pxa_gpio_mode(SPITZ_GPIO_ON_RESET | GPIO_OUT); GPSR(SPITZ_GPIO_ON_RESET) = GPIO_bit(SPITZ_GPIO_ON_RESET); mdelay(1000); arm_machine_restart('h'); } static void spitz_restart(char mode) { /* Bootloader magic for a reboot */ if((MSC0 & 0xffff0000) == 0x7ff00000) MSC0 = (MSC0 & 0xffff) | 0x7ee00000; spitz_poweroff(); } static void __init common_init(void) { pm_power_off = spitz_poweroff; arm_pm_restart = spitz_restart; PMCR = 0x00; /* 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(&spitz_ssp_machinfo); pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN); platform_add_devices(devices, ARRAY_SIZE(devices)); pxa_set_mci_info(&spitz_mci_platform_data); pxa_set_ohci_info(&spitz_ohci_platform_data); pxa_set_ficp_info(&spitz_ficp_platform_data); set_pxa_fb_parent(&spitzssp_device.dev); set_pxa_fb_info(&spitz_pxafb_info); } static void __init spitz_init(void) { platform_scoop_config = &spitz_pcmcia_config; spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity; common_init(); platform_device_register(&spitzscoop2_device); } #ifdef CONFIG_MACH_AKITA /* * Akita IO Expander */ struct platform_device akitaioexp_device = { .name = "akita-ioexp", .id = -1, }; EXPORT_SYMBOL_GPL(akitaioexp_device); static void __init akita_init(void) { spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode; /* We just pretend the second element of the array doesn't exist */ spitz_pcmcia_config.num_devs = 1; platform_scoop_config = &spitz_pcmcia_config; spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity; platform_device_register(&akitaioexp_device); spitzscoop_device.dev.parent = &akitaioexp_device.dev; common_init(); } #endif static void __init fixup_spitz(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 = (64*1024*1024); } #ifdef CONFIG_MACH_SPITZ MACHINE_START(SPITZ, "SHARP Spitz") .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, .map_io = pxa_map_io, .init_irq = pxa_init_irq, .init_machine = spitz_init, .timer = &pxa_timer, MACHINE_END #endif #ifdef CONFIG_MACH_BORZOI MACHINE_START(BORZOI, "SHARP Borzoi") .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, .map_io = pxa_map_io, .init_irq = pxa_init_irq, .init_machine = spitz_init, .timer = &pxa_timer, MACHINE_END #endif #ifdef CONFIG_MACH_AKITA MACHINE_START(AKITA, "SHARP Akita") .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, .map_io = pxa_map_io, .init_irq = pxa_init_irq, .init_machine = akita_init, .timer = &pxa_timer, MACHINE_END #endif