/* * 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 #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 "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, }; 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, }, }; /* * 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 = { .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 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, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), 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, SA_INTERRUPT, "MMC card detect", data); if (err) { printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); return -1; } set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); return 0; } /* Power control is shared with one of the CF slots so we have a mess */ static void spitz_mci_setpower(struct device *dev, unsigned int vdd) { struct pxamci_platform_data* p_d = dev->platform_data; unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR); if (( 1 << vdd) & p_d->ocr_mask) { /* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */ set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); mdelay(2); write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04); } else { /* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */ write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04); if (!(cpr | 0x02)) { mdelay(1); reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER); } } } 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, }; /* * Spitz PXA Framebuffer */ static struct pxafb_mach_info spitz_pxafb_info __initdata = { .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, .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, }; static void __init common_init(void) { 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); set_pxa_fb_parent(&spitzssp_device.dev); set_pxa_fb_info(&spitz_pxafb_info); } static void __init spitz_init(void) { scoop_num = 2; scoop_devs = &spitz_pcmcia_scoop[0]; spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity; common_init(); platform_device_register(&spitzscoop2_device); } 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_ram = 0xa0000000, .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_ram = 0xa0000000, .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