| /* |
| * 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/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/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" |
| |
| /******************************************************************************************** |
| * ONBOARD FLASH |
| ********************************************************************************************/ |
| static struct mtd_partition trizeps4_partitions[] = { |
| { |
| .name = "Bootloader", |
| .size = 0x00040000, |
| .offset = 0, |
| .mask_flags = MTD_WRITEABLE /* force read-only */ |
| },{ |
| .name = "Kernel", |
| .size = 0x00400000, |
| .offset = 0x00040000 |
| },{ |
| .name = "Filesystem", |
| .size = MTDPART_SIZ_FULL, |
| .offset = 0x00440000 |
| } |
| }; |
| |
| static struct flash_platform_data trizeps4_flash_data[] = { |
| { |
| .map_name = "cfi_probe", |
| .parts = trizeps4_partitions, |
| .nr_parts = ARRAY_SIZE(trizeps4_partitions) |
| } |
| }; |
| |
| static struct resource flash_resource = { |
| .start = PXA_CS0_PHYS, |
| .end = PXA_CS0_PHYS + SZ_64M - 1, |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device flash_device = { |
| .name = "pxa2xx-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", __FUNCTION__, 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", __FUNCTION__, 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", __FUNCTION__); |
| /* FIXME fill in values here */ |
| } else { |
| pr_debug("%s: off\n", __FUNCTION__); |
| /* 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, irqreturn_t (*mci_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(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 -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, |
| .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 void __init trizeps4_fixup(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi) |
| { |
| } |
| |
| static void __init trizeps4_init(void) |
| { |
| platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices)); |
| |
| set_pxa_fb_info(&sharp_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); |
| |
| pxa_gpio_mode( GPIO_SYS_BUSY_LED | GPIO_OUT); /* LED1 */ |
| pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT); /* LED2 */ |
| |
| #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, |
| .fixup = trizeps4_fixup, |
| .init_machine = trizeps4_init, |
| .map_io = trizeps4_map_io, |
| .init_irq = pxa_init_irq, |
| .timer = &pxa_timer, |
| MACHINE_END |
| |