/* * linux/arch/arm/mach-pxa/trizeps4.c * * Support for the Keith und Koep Trizeps4 Module Platform. * * Author: Jürgen Schindele * Created: 20 02, 2006 * Copyright: Jürgen Schindele * * 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/init.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/export.h> #include <linux/sched.h> #include <linux/bitops.h> #include <linux/fb.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/gpio.h> #include <linux/dm9000.h> #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> #include <linux/i2c/pxa-i2c.h> #include <asm/types.h> #include <asm/setup.h> #include <asm/memory.h> #include <asm/mach-types.h> #include <asm/irq.h> #include <asm/sizes.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> #include <asm/mach/flash.h> #include <mach/pxa27x.h> #include <mach/trizeps4.h> #include <mach/audio.h> #include <linux/platform_data/video-pxafb.h> #include <linux/platform_data/mmc-pxamci.h> #include <linux/platform_data/irda-pxaficp.h> #include <linux/platform_data/usb-ohci-pxa27x.h> #include <mach/smemc.h> #include "generic.h" #include "devices.h" /* comment out the following line if you want to use the * Standard UART from PXA for serial / irda transmission * and acivate it if you have status leds connected */ #define STATUS_LEDS_ON_STUART_PINS 1 /***************************************************************************** * MultiFunctionPins of CPU *****************************************************************************/ static unsigned long trizeps4_pin_config[] __initdata = { /* Chip Selects */ GPIO15_nCS_1, /* DiskOnChip CS */ GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */ GPIO94_GPIO, /* DOC lock */ GPIO78_nCS_2, /* DM9000 CS */ GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */ GPIO79_nCS_3, /* Logic CS */ GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */ /* AC97 */ GPIO28_AC97_BITCLK, GPIO29_AC97_SDATA_IN_0, GPIO30_AC97_SDATA_OUT, GPIO31_AC97_SYNC, /* LCD - 16bpp Active TFT */ GPIOxx_LCD_TFT_16BPP, /* UART */ GPIO9_FFUART_CTS, GPIO10_FFUART_DCD, GPIO16_FFUART_TXD, GPIO33_FFUART_DSR, GPIO38_FFUART_RI, GPIO82_FFUART_DTR, GPIO83_FFUART_RTS, GPIO96_FFUART_RXD, GPIO42_BTUART_RXD, GPIO43_BTUART_TXD, GPIO44_BTUART_CTS, GPIO45_BTUART_RTS, #ifdef STATUS_LEDS_ON_STUART_PINS GPIO46_GPIO, GPIO47_GPIO, #else GPIO46_STUART_RXD, GPIO47_STUART_TXD, #endif /* PCMCIA */ GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */ GPIO13_GPIO, /* TRIZEPS4_READY_NINT */ GPIO48_nPOE, GPIO49_nPWE, GPIO50_nPIOR, GPIO51_nPIOW, GPIO54_nPCE_2, GPIO55_nPREG, GPIO56_nPWAIT, GPIO57_nIOIS16, GPIO102_nPCE_1, GPIO104_PSKTSEL, /* MultiMediaCard */ GPIO32_MMC_CLK, GPIO92_MMC_DAT_0, GPIO109_MMC_DAT_1, GPIO110_MMC_DAT_2, GPIO111_MMC_DAT_3, GPIO112_MMC_CMD, GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */ /* USB OHCI */ GPIO88_USBH1_PWR, /* USBHPWR1 */ GPIO89_USBH1_PEN, /* USBHPEN1 */ /* I2C */ GPIO117_I2C_SCL, GPIO118_I2C_SDA, }; static unsigned long trizeps4wl_pin_config[] __initdata = { /* SSP 2 */ GPIO14_SSP2_SFRM, GPIO19_SSP2_SCLK, GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */ GPIO86_SSP2_RXD, GPIO87_SSP2_TXD, }; /**************************************************************************** * ONBOARD FLASH ****************************************************************************/ static struct mtd_partition trizeps4_partitions[] = { { .name = "Bootloader", .offset = 0x00000000, .size = 0x00040000, .mask_flags = MTD_WRITEABLE /* force read-only */ }, { .name = "Backup", .offset = 0x00040000, .size = 0x00040000, }, { .name = "Image", .offset = 0x00080000, .size = 0x01080000, }, { .name = "IPSM", .offset = 0x01100000, .size = 0x00e00000, }, { .name = "Registry", .offset = 0x01f00000, .size = MTDPART_SIZ_FULL, } }; static struct physmap_flash_data trizeps4_flash_data[] = { { .width = 4, /* bankwidth in bytes */ .parts = trizeps4_partitions, .nr_parts = ARRAY_SIZE(trizeps4_partitions) } }; static struct resource flash_resource = { .start = PXA_CS0_PHYS, .end = PXA_CS0_PHYS + SZ_32M - 1, .flags = IORESOURCE_MEM, }; static struct platform_device flash_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = trizeps4_flash_data, }, .resource = &flash_resource, .num_resources = 1, }; /**************************************************************************** * DAVICOM DM9000 Ethernet ****************************************************************************/ static struct resource dm9000_resources[] = { [0] = { .start = TRIZEPS4_ETH_PHYS+0x300, .end = TRIZEPS4_ETH_PHYS+0x400-1, .flags = IORESOURCE_MEM, }, [1] = { .start = TRIZEPS4_ETH_PHYS+0x8300, .end = TRIZEPS4_ETH_PHYS+0x8400-1, .flags = IORESOURCE_MEM, }, [2] = { .start = TRIZEPS4_ETH_IRQ, .end = TRIZEPS4_ETH_IRQ, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, }, }; static struct dm9000_plat_data tri_dm9000_platdata = { .flags = DM9000_PLATF_32BITONLY, }; static struct platform_device dm9000_device = { .name = "dm9000", .id = -1, .num_resources = ARRAY_SIZE(dm9000_resources), .resource = dm9000_resources, .dev = { .platform_data = &tri_dm9000_platdata, } }; /**************************************************************************** * LED's on GPIO pins of PXA ****************************************************************************/ static struct gpio_led trizeps4_led[] = { #ifdef STATUS_LEDS_ON_STUART_PINS { .name = "led0:orange:heartbeat", /* */ .default_trigger = "heartbeat", .gpio = GPIO_HEARTBEAT_LED, .active_low = 1, }, { .name = "led1:yellow:cpubusy", /* */ .default_trigger = "cpu-busy", .gpio = GPIO_SYS_BUSY_LED, .active_low = 1, }, #endif }; static struct gpio_led_platform_data trizeps4_led_data = { .leds = trizeps4_led, .num_leds = ARRAY_SIZE(trizeps4_led), }; static struct platform_device leds_devices = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &trizeps4_led_data, }, }; static struct platform_device *trizeps4_devices[] __initdata = { &flash_device, &dm9000_device, &leds_devices, }; static struct platform_device *trizeps4wl_devices[] __initdata = { &flash_device, &leds_devices, }; static short trizeps_conxs_bcr; /* PCCARD power switching supports only 3,3V */ void board_pcmcia_power(int power) { if (power) { /* switch power on, put in reset and enable buffers */ trizeps_conxs_bcr |= power; trizeps_conxs_bcr |= ConXS_BCR_CF_RESET; trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN; BCR_writew(trizeps_conxs_bcr); /* wait a little */ udelay(2000); /* take reset away */ trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET; BCR_writew(trizeps_conxs_bcr); udelay(2000); } else { /* put in reset */ trizeps_conxs_bcr |= ConXS_BCR_CF_RESET; BCR_writew(trizeps_conxs_bcr); udelay(1000); /* switch power off */ trizeps_conxs_bcr &= ~0xf; BCR_writew(trizeps_conxs_bcr); } pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff", trizeps_conxs_bcr); } EXPORT_SYMBOL(board_pcmcia_power); /* backlight power switching for LCD panel */ static void board_backlight_power(int on) { if (on) trizeps_conxs_bcr |= ConXS_BCR_L_DISP; else trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP; pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff", trizeps_conxs_bcr); BCR_writew(trizeps_conxs_bcr); } /* a I2C based RTC is known on CONXS board */ static struct i2c_board_info trizeps4_i2c_devices[] __initdata = { { I2C_BOARD_INFO("rtc-pcf8593", 0x51) } }; /**************************************************************************** * MMC card slot external to module ****************************************************************************/ static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data) { int err; err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int, IRQF_DISABLED | IRQF_TRIGGER_RISING, "MMC card detect", data); if (err) { printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request" "MMC card detect IRQ\n"); return -1; } return 0; } static void trizeps4_mci_exit(struct device *dev, void *data) { free_irq(TRIZEPS4_MMC_IRQ, data); } static struct pxamci_platform_data trizeps4_mci_platform_data = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .detect_delay_ms= 10, .init = trizeps4_mci_init, .exit = trizeps4_mci_exit, .get_ro = NULL, /* write-protection not supported */ .setpower = NULL, /* power-switching not supported */ .gpio_card_detect = -1, .gpio_card_ro = -1, .gpio_power = -1, }; /**************************************************************************** * IRDA mode switching on stuart ****************************************************************************/ #ifndef STATUS_LEDS_ON_STUART_PINS static short trizeps_conxs_ircr; static int trizeps4_irda_startup(struct device *dev) { trizeps_conxs_ircr &= ~ConXS_IRCR_SD; IRCR_writew(trizeps_conxs_ircr); return 0; } static void trizeps4_irda_shutdown(struct device *dev) { trizeps_conxs_ircr |= ConXS_IRCR_SD; IRCR_writew(trizeps_conxs_ircr); } static void trizeps4_irda_transceiver_mode(struct device *dev, int mode) { unsigned long flags; local_irq_save(flags); /* Switch mode */ if (mode & IR_SIRMODE) trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */ else if (mode & IR_FIRMODE) trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */ /* Switch power */ if (mode & IR_OFF) trizeps_conxs_ircr |= ConXS_IRCR_SD; else trizeps_conxs_ircr &= ~ConXS_IRCR_SD; IRCR_writew(trizeps_conxs_ircr); local_irq_restore(flags); pxa2xx_transceiver_mode(dev, mode); } static struct pxaficp_platform_data trizeps4_ficp_platform_data = { .gpio_pwdown = -1, .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, .transceiver_mode = trizeps4_irda_transceiver_mode, .startup = trizeps4_irda_startup, .shutdown = trizeps4_irda_shutdown, }; #endif /**************************************************************************** * OHCI USB port ****************************************************************************/ static struct pxaohci_platform_data trizeps4_ohci_platform_data = { .port_mode = PMM_PERPORT_MODE, .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, }; static struct map_desc trizeps4_io_desc[] __initdata = { { /* ConXS CFSR */ .virtual = TRIZEPS4_CFSR_VIRT, .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS), .length = 0x00001000, .type = MT_DEVICE }, { /* ConXS BCR */ .virtual = TRIZEPS4_BOCR_VIRT, .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS), .length = 0x00001000, .type = MT_DEVICE }, { /* ConXS IRCR */ .virtual = TRIZEPS4_IRCR_VIRT, .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS), .length = 0x00001000, .type = MT_DEVICE }, { /* ConXS DCR */ .virtual = TRIZEPS4_DICR_VIRT, .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS), .length = 0x00001000, .type = MT_DEVICE }, { /* ConXS UPSR */ .virtual = TRIZEPS4_UPSR_VIRT, .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS), .length = 0x00001000, .type = MT_DEVICE } }; static struct pxafb_mode_info sharp_lcd_mode = { .pixclock = 78000, .xres = 640, .yres = 480, .bpp = 8, .hsync_len = 4, .left_margin = 4, .right_margin = 4, .vsync_len = 2, .upper_margin = 0, .lower_margin = 0, .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, .cmap_greyscale = 0, }; static struct pxafb_mach_info sharp_lcd = { .modes = &sharp_lcd_mode, .num_modes = 1, .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL, .cmap_inverse = 0, .cmap_static = 0, .pxafb_backlight_power = board_backlight_power, }; static struct pxafb_mode_info toshiba_lcd_mode = { .pixclock = 39720, .xres = 640, .yres = 480, .bpp = 8, .hsync_len = 63, .left_margin = 12, .right_margin = 12, .vsync_len = 4, .upper_margin = 32, .lower_margin = 10, .sync = 0, .cmap_greyscale = 0, }; static struct pxafb_mach_info toshiba_lcd = { .modes = &toshiba_lcd_mode, .num_modes = 1, .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL), .cmap_inverse = 0, .cmap_static = 0, .pxafb_backlight_power = board_backlight_power, }; static void __init trizeps4_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config)); if (machine_is_trizeps4wl()) { pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config)); platform_add_devices(trizeps4wl_devices, ARRAY_SIZE(trizeps4wl_devices)); } else { platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices)); } pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); if (0) /* dont know how to determine LCD */ pxa_set_fb_info(NULL, &sharp_lcd); else pxa_set_fb_info(NULL, &toshiba_lcd); pxa_set_mci_info(&trizeps4_mci_platform_data); #ifndef STATUS_LEDS_ON_STUART_PINS pxa_set_ficp_info(&trizeps4_ficp_platform_data); #endif pxa_set_ohci_info(&trizeps4_ohci_platform_data); pxa_set_ac97_info(NULL); pxa_set_i2c_info(NULL); i2c_register_board_info(0, trizeps4_i2c_devices, ARRAY_SIZE(trizeps4_i2c_devices)); /* this is the reset value */ trizeps_conxs_bcr = 0x00A0; BCR_writew(trizeps_conxs_bcr); board_backlight_power(1); } static void __init trizeps4_map_io(void) { pxa27x_map_io(); iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc)); if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) { /* if flash is 16 bit wide its a Trizeps4 WL */ __machine_arch_type = MACH_TYPE_TRIZEPS4WL; trizeps4_flash_data[0].width = 2; } else { /* if flash is 32 bit wide its a Trizeps4 */ __machine_arch_type = MACH_TYPE_TRIZEPS4; trizeps4_flash_data[0].width = 4; } } MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module") /* MAINTAINER("Jürgen Schindele") */ .atag_offset = 0x100, .init_machine = trizeps4_init, .map_io = trizeps4_map_io, .nr_irqs = PXA_NR_IRQS, .init_irq = pxa27x_init_irq, .handle_irq = pxa27x_handle_irq, .timer = &pxa_timer, .restart = pxa_restart, MACHINE_END MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module") /* MAINTAINER("Jürgen Schindele") */ .atag_offset = 0x100, .init_machine = trizeps4_init, .map_io = trizeps4_map_io, .nr_irqs = PXA_NR_IRQS, .init_irq = pxa27x_init_irq, .handle_irq = pxa27x_handle_irq, .timer = &pxa_timer, .restart = pxa_restart, MACHINE_END