/* * 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/sysdev.h> #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/bitops.h> #include <linux/fb.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/serial_8250.h> #include <linux/mtd/mtd.h> #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> #include <asm/types.h> #include <asm/setup.h> #include <asm/memory.h> #include <asm/mach-types.h> #include <asm/hardware.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 <asm/arch/pxa-regs.h> #include <asm/arch/pxa2xx-gpio.h> #include <asm/arch/trizeps4.h> #include <asm/arch/audio.h> #include <asm/arch/pxafb.h> #include <asm/arch/mmc.h> #include <asm/arch/irda.h> #include <asm/arch/ohci.h> #include "generic.h" #include "devices.h" /******************************************************************************************** * 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 | IRQT_RISING), }, }; static struct platform_device dm9000_device = { .name = "dm9000", .id = -1, .num_resources = ARRAY_SIZE(dm9000_resources), .resource = dm9000_resources, }; /******************************************************************************************** * PXA270 serial ports ********************************************************************************************/ static struct plat_serial8250_port tri_serial_ports[] = { #ifdef CONFIG_SERIAL_PXA /* this uses the own PXA driver */ { 0, }, #else /* this uses the generic 8520 driver */ [0] = { .membase = (void *)&FFUART, .irq = IRQ_FFUART, .flags = UPF_BOOT_AUTOCONF, .iotype = UPIO_MEM32, .regshift = 2, .uartclk = (921600*16), }, [1] = { .membase = (void *)&BTUART, .irq = IRQ_BTUART, .flags = UPF_BOOT_AUTOCONF, .iotype = UPIO_MEM32, .regshift = 2, .uartclk = (921600*16), }, { 0, }, #endif }; static struct platform_device uart_devices = { .name = "serial8250", .id = 0, .dev = { .platform_data = tri_serial_ports, }, .num_resources = 0, .resource = NULL, }; /******************************************************************************************** * PXA270 ac97 sound codec ********************************************************************************************/ static struct platform_device ac97_audio_device = { .name = "pxa2xx-ac97", .id = -1, }; static struct platform_device * trizeps4_devices[] __initdata = { &flash_device, &uart_devices, &dm9000_device, &ac97_audio_device, }; #ifdef CONFIG_MACH_TRIZEPS4_CONXS 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); ConXS_BCR = trizeps_conxs_bcr; /* wait a little */ udelay(2000); /* take reset away */ trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET); ConXS_BCR = trizeps_conxs_bcr; udelay(2000); } else { /* put in reset */ trizeps_conxs_bcr |= ConXS_BCR_CF_RESET; ConXS_BCR = trizeps_conxs_bcr; udelay(1000); /* switch power off */ trizeps_conxs_bcr &= ~(0xf); ConXS_BCR = trizeps_conxs_bcr; } pr_debug("%s: o%s 0x%x\n", __func__, power ? "n": "ff", trizeps_conxs_bcr); } /* 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); ConXS_BCR = trizeps_conxs_bcr; } /* Powersupply for MMC/SD cardslot */ static void board_mci_power(struct device *dev, unsigned int vdd) { struct pxamci_platform_data* p_d = dev->platform_data; if (( 1 << vdd) & p_d->ocr_mask) { pr_debug("%s: on\n", __func__); /* FIXME fill in values here */ } else { pr_debug("%s: off\n", __func__); /* FIXME fill in values here */ } } static short trizeps_conxs_ircr; /* Switch modes and Power for IRDA receiver */ static void board_irda_mode(struct device *dev, int mode) { unsigned long flags; local_irq_save(flags); if (mode & IR_SIRMODE) { /* Slow mode */ trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; } else if (mode & IR_FIRMODE) { /* Fast mode */ trizeps_conxs_ircr |= ConXS_IRCR_MODE; } if (mode & IR_OFF) { trizeps_conxs_ircr |= ConXS_IRCR_SD; } else { trizeps_conxs_ircr &= ~ConXS_IRCR_SD; } /* FIXME write values to register */ local_irq_restore(flags); } #else /* for other baseboards define dummies */ void board_pcmcia_power(int power) {;} #define board_backlight_power NULL #define board_mci_power NULL #define board_irda_mode NULL #endif /* CONFIG_MACH_TRIZEPS4_CONXS */ EXPORT_SYMBOL(board_pcmcia_power); static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_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(GPIO_MMC_DET | GPIO_IN); 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 err; } 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, .init = trizeps4_mci_init, .exit = trizeps4_mci_exit, .setpower = board_mci_power, }; static struct pxaficp_platform_data trizeps4_ficp_platform_data = { .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, .transceiver_mode = board_irda_mode, }; static int trizeps4_ohci_init(struct device *dev) { /* setup Port1 GPIO pin. */ pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */ pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */ /* Set the Power Control Polarity Low and Power Sense Polarity Low to active low. */ UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) & ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE); return 0; } static void trizeps4_ohci_exit(struct device *dev) { ; } static struct pxaohci_platform_data trizeps4_ohci_platform_data = { .port_mode = PMM_PERPORT_MODE, .init = trizeps4_ohci_init, .exit = trizeps4_ohci_exit, }; 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, .cmap_inverse = 0, .cmap_static = 0, .lccr0 = LCCR0_Color | LCCR0_Pas | LCCR0_Dual, .lccr3 = 0x0340ff02, .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, .cmap_inverse = 0, .cmap_static = 0, .lccr0 = LCCR0_Color | LCCR0_Act, .lccr3 = 0x03400002, .pxafb_backlight_power = board_backlight_power, }; static void __init trizeps4_init(void) { platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices)); /* set_pxa_fb_info(&sharp_lcd); */ set_pxa_fb_info(&toshiba_lcd); pxa_set_mci_info(&trizeps4_mci_platform_data); pxa_set_ficp_info(&trizeps4_ficp_platform_data); pxa_set_ohci_info(&trizeps4_ohci_platform_data); } static void __init trizeps4_map_io(void) { pxa_map_io(); iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc)); /* for DiskOnChip */ pxa_gpio_mode(GPIO15_nCS_1_MD); /* for off-module PIC on ConXS board */ pxa_gpio_mode(GPIO_PIC | GPIO_IN); /* UCB1400 irq */ pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN); /* for DM9000 LAN */ pxa_gpio_mode(GPIO78_nCS_2_MD); pxa_gpio_mode(GPIO_DM9000 | GPIO_IN); /* for PCMCIA device */ pxa_gpio_mode(GPIO_PCD | GPIO_IN); pxa_gpio_mode(GPIO_PRDY | GPIO_IN); /* for I2C adapter */ pxa_gpio_mode(GPIO117_I2CSCL_MD); pxa_gpio_mode(GPIO118_I2CSDA_MD); /* MMC_DET s.o. */ pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN); /* whats that for ??? */ pxa_gpio_mode(GPIO79_nCS_3_MD); #ifdef CONFIG_LEDS pxa_gpio_mode( GPIO_SYS_BUSY_LED | GPIO_OUT); /* LED1 */ pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT); /* LED2 */ #endif #ifdef CONFIG_MACH_TRIZEPS4_CONXS #ifdef CONFIG_IDE_PXA_CF /* if boot direct from compact flash dont disable power */ trizeps_conxs_bcr = 0x0009; #else /* this is the reset value */ trizeps_conxs_bcr = 0x00A0; #endif ConXS_BCR = trizeps_conxs_bcr; #endif 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; } MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module") /* MAINTAINER("Jürgen Schindele") */ .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .boot_params = TRIZEPS4_SDRAM_BASE + 0x100, .init_machine = trizeps4_init, .map_io = trizeps4_map_io, .init_irq = pxa27x_init_irq, .timer = &pxa_timer, MACHINE_END