/* * Support for Sharp SL-C6000x PDAs * Model: (Tosa) * * Copyright (c) 2005 Dirk Opfer * * Based on code written by Sharp/Lineo for 2.4 kernels * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "generic.h" #include "devices.h" /* * SCOOP Device */ static struct resource tosa_scoop_resources[] = { [0] = { .start = TOSA_CF_PHYS, .end = TOSA_CF_PHYS + 0xfff, .flags = IORESOURCE_MEM, }, }; static struct scoop_config tosa_scoop_setup = { .io_dir = TOSA_SCOOP_IO_DIR, .io_out = TOSA_SCOOP_IO_OUT, }; struct platform_device tosascoop_device = { .name = "sharp-scoop", .id = 0, .dev = { .platform_data = &tosa_scoop_setup, }, .num_resources = ARRAY_SIZE(tosa_scoop_resources), .resource = tosa_scoop_resources, }; /* * SCOOP Device Jacket */ static struct resource tosa_scoop_jc_resources[] = { [0] = { .start = TOSA_SCOOP_PHYS + 0x40, .end = TOSA_SCOOP_PHYS + 0xfff, .flags = IORESOURCE_MEM, }, }; static struct scoop_config tosa_scoop_jc_setup = { .io_dir = TOSA_SCOOP_JC_IO_DIR, .io_out = TOSA_SCOOP_JC_IO_OUT, }; struct platform_device tosascoop_jc_device = { .name = "sharp-scoop", .id = 1, .dev = { .platform_data = &tosa_scoop_jc_setup, .parent = &tosascoop_device.dev, }, .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources), .resource = tosa_scoop_jc_resources, }; /* * PCMCIA */ static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = { { .dev = &tosascoop_device.dev, .irq = TOSA_IRQ_GPIO_CF_IRQ, .cd_irq = TOSA_IRQ_GPIO_CF_CD, .cd_irq_str = "PCMCIA0 CD", },{ .dev = &tosascoop_jc_device.dev, .irq = TOSA_IRQ_GPIO_JC_CF_IRQ, .cd_irq = -1, }, }; static void tosa_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_config tosa_pcmcia_config = { .devs = &tosa_pcmcia_scoop[0], .num_devs = 2, .pcmcia_init = tosa_pcmcia_init, }; /* * USB Device Controller */ static void tosa_udc_command(int cmd) { switch(cmd) { case PXA2XX_UDC_CMD_CONNECT: set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP); break; case PXA2XX_UDC_CMD_DISCONNECT: reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP); break; } } static struct pxa2xx_udc_mach_info udc_info __initdata = { .udc_command = tosa_udc_command, .gpio_vbus = TOSA_GPIO_USB_IN, .gpio_vbus_inverted = 1, }; /* * MMC/SD Device */ static struct pxamci_platform_data tosa_mci_platform_data; static int tosa_mci_init(struct device *dev, irq_handler_t tosa_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(TOSA_GPIO_nSD_DETECT | GPIO_IN); tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250); err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "MMC/SD card detect", data); if (err) printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); return err; } static void tosa_mci_setpower(struct device *dev, unsigned int vdd) { struct pxamci_platform_data* p_d = dev->platform_data; if (( 1 << vdd) & p_d->ocr_mask) { set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON); } else { reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON); } } static int tosa_mci_get_ro(struct device *dev) { return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP); } static void tosa_mci_exit(struct device *dev, void *data) { free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data); } static struct pxamci_platform_data tosa_mci_platform_data = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .init = tosa_mci_init, .get_ro = tosa_mci_get_ro, .setpower = tosa_mci_setpower, .exit = tosa_mci_exit, }; /* * Irda */ static void tosa_irda_transceiver_mode(struct device *dev, int mode) { if (mode & IR_OFF) { reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN); pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW); pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT); } else { pxa_gpio_mode(GPIO47_STTXD_MD); set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN); } } static struct pxaficp_platform_data tosa_ficp_platform_data = { .transceiver_cap = IR_SIRMODE | IR_OFF, .transceiver_mode = tosa_irda_transceiver_mode, }; /* * Tosa Keyboard */ static struct platform_device tosakbd_device = { .name = "tosa-keyboard", .id = -1, }; static struct gpio_keys_button tosa_gpio_keys[] = { { .type = EV_PWR, .code = KEY_SUSPEND, .gpio = TOSA_GPIO_ON_KEY, .desc = "On key", .wakeup = 1, .active_low = 1, }, { .type = EV_KEY, .code = TOSA_KEY_RECORD, .gpio = TOSA_GPIO_RECORD_BTN, .desc = "Record Button", .wakeup = 1, .active_low = 1, }, { .type = EV_KEY, .code = TOSA_KEY_SYNC, .gpio = TOSA_GPIO_SYNC, .desc = "Sync Button", .wakeup = 1, .active_low = 1, }, }; static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = { .buttons = tosa_gpio_keys, .nbuttons = ARRAY_SIZE(tosa_gpio_keys), }; static struct platform_device tosa_gpio_keys_device = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &tosa_gpio_keys_platform_data, }, }; /* * Tosa LEDs */ static struct platform_device tosaled_device = { .name = "tosa-led", .id = -1, }; static struct platform_device *devices[] __initdata = { &tosascoop_device, &tosascoop_jc_device, &tosakbd_device, &tosa_gpio_keys_device, &tosaled_device, }; static void tosa_poweroff(void) { RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT); GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET); mdelay(1000); arm_machine_restart('h'); } static void tosa_restart(char mode) { /* Bootloader magic for a reboot */ if((MSC0 & 0xffff0000) == 0x7ff00000) MSC0 = (MSC0 & 0xffff) | 0x7ee00000; tosa_poweroff(); } static void __init tosa_init(void) { pm_power_off = tosa_poweroff; arm_pm_restart = tosa_restart; pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN); pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN); pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN); /* setup sleep mode values */ PWER = 0x00000002; PFER = 0x00000000; PRER = 0x00000002; PGSR0 = 0x00000000; PGSR1 = 0x00FF0002; PGSR2 = 0x00014000; PCFR |= PCFR_OPDE; /* enable batt_fault */ PMCR = 0x01; pxa_set_mci_info(&tosa_mci_platform_data); pxa_set_udc_info(&udc_info); pxa_set_ficp_info(&tosa_ficp_platform_data); platform_scoop_config = &tosa_pcmcia_config; platform_add_devices(devices, ARRAY_SIZE(devices)); } static void __init fixup_tosa(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); } MACHINE_START(TOSA, "SHARP Tosa") .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_tosa, .map_io = pxa_map_io, .init_irq = pxa25x_init_irq, .init_machine = tosa_init, .timer = &pxa_timer, MACHINE_END