| /* |
| * 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 = pxa27x_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 = pxa27x_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 = pxa27x_init_irq, |
| .init_machine = akita_init, |
| .timer = &pxa_timer, |
| MACHINE_END |
| #endif |