590 lines
14 KiB
C
590 lines
14 KiB
C
/*
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* linux/arch/arm/mach-pxa/trizeps4.c
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*
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* Support for the Keith und Koep Trizeps4 Module Platform.
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*
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* Author: Jürgen Schindele
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* Created: 20 02, 2006
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* Copyright: Jürgen Schindele
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/sysdev.h>
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#include <linux/interrupt.h>
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#include <linux/sched.h>
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#include <linux/bitops.h>
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#include <linux/fb.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/dm9000.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/partitions.h>
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#include <asm/types.h>
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#include <asm/setup.h>
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#include <asm/memory.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/sizes.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/mach/flash.h>
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#include <mach/pxa27x.h>
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#include <mach/pxa2xx_spi.h>
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#include <mach/trizeps4.h>
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#include <mach/audio.h>
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#include <mach/pxafb.h>
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#include <mach/mmc.h>
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#include <mach/irda.h>
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#include <mach/ohci.h>
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#include <plat/i2c.h>
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#include "generic.h"
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#include "devices.h"
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/* comment out the following line if you want to use the
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* Standard UART from PXA for serial / irda transmission
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* and acivate it if you have status leds connected */
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#define STATUS_LEDS_ON_STUART_PINS 1
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/*****************************************************************************
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* MultiFunctionPins of CPU
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*****************************************************************************/
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static unsigned long trizeps4_pin_config[] __initdata = {
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/* Chip Selects */
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GPIO15_nCS_1, /* DiskOnChip CS */
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GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */
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GPIO94_GPIO, /* DOC lock */
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GPIO78_nCS_2, /* DM9000 CS */
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GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */
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GPIO79_nCS_3, /* Logic CS */
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GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */
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/* LCD - 16bpp Active TFT */
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GPIO58_LCD_LDD_0,
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GPIO59_LCD_LDD_1,
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GPIO60_LCD_LDD_2,
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GPIO61_LCD_LDD_3,
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GPIO62_LCD_LDD_4,
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GPIO63_LCD_LDD_5,
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GPIO64_LCD_LDD_6,
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GPIO65_LCD_LDD_7,
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GPIO66_LCD_LDD_8,
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GPIO67_LCD_LDD_9,
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GPIO68_LCD_LDD_10,
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GPIO69_LCD_LDD_11,
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GPIO70_LCD_LDD_12,
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GPIO71_LCD_LDD_13,
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GPIO72_LCD_LDD_14,
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GPIO73_LCD_LDD_15,
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GPIO74_LCD_FCLK,
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GPIO75_LCD_LCLK,
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GPIO76_LCD_PCLK,
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GPIO77_LCD_BIAS,
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/* UART */
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GPIO9_FFUART_CTS,
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GPIO10_FFUART_DCD,
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GPIO16_FFUART_TXD,
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GPIO33_FFUART_DSR,
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GPIO38_FFUART_RI,
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GPIO82_FFUART_DTR,
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GPIO83_FFUART_RTS,
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GPIO96_FFUART_RXD,
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GPIO42_BTUART_RXD,
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GPIO43_BTUART_TXD,
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GPIO44_BTUART_CTS,
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GPIO45_BTUART_RTS,
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#ifdef STATUS_LEDS_ON_STUART_PINS
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GPIO46_GPIO,
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GPIO47_GPIO,
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#else
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GPIO46_STUART_RXD,
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GPIO47_STUART_TXD,
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#endif
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/* PCMCIA */
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GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */
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GPIO13_GPIO, /* TRIZEPS4_READY_NINT */
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GPIO48_nPOE,
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GPIO49_nPWE,
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GPIO50_nPIOR,
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GPIO51_nPIOW,
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GPIO54_nPCE_2,
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GPIO55_nPREG,
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GPIO56_nPWAIT,
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GPIO57_nIOIS16,
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GPIO102_nPCE_1,
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GPIO104_PSKTSEL,
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/* MultiMediaCard */
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */
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/* USB OHCI */
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GPIO88_USBH1_PWR, /* USBHPWR1 */
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GPIO89_USBH1_PEN, /* USBHPEN1 */
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/* I2C */
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GPIO117_I2C_SCL,
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GPIO118_I2C_SDA,
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};
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static unsigned long trizeps4wl_pin_config[] __initdata = {
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/* SSP 2 */
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GPIO14_SSP2_SFRM,
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GPIO19_SSP2_SCLK,
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GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */
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GPIO86_SSP2_RXD,
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GPIO87_SSP2_TXD,
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};
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/****************************************************************************
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* ONBOARD FLASH
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****************************************************************************/
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static struct mtd_partition trizeps4_partitions[] = {
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{
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.name = "Bootloader",
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.offset = 0x00000000,
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.size = 0x00040000,
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.mask_flags = MTD_WRITEABLE /* force read-only */
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}, {
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.name = "Backup",
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.offset = 0x00040000,
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.size = 0x00040000,
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}, {
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.name = "Image",
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.offset = 0x00080000,
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.size = 0x01080000,
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}, {
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.name = "IPSM",
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.offset = 0x01100000,
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.size = 0x00e00000,
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}, {
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.name = "Registry",
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.offset = 0x01f00000,
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.size = MTDPART_SIZ_FULL,
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}
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};
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static struct physmap_flash_data trizeps4_flash_data[] = {
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{
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.width = 4, /* bankwidth in bytes */
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.parts = trizeps4_partitions,
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.nr_parts = ARRAY_SIZE(trizeps4_partitions)
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}
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};
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static struct resource flash_resource = {
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.start = PXA_CS0_PHYS,
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.end = PXA_CS0_PHYS + SZ_32M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = trizeps4_flash_data,
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},
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.resource = &flash_resource,
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.num_resources = 1,
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};
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/****************************************************************************
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* DAVICOM DM9000 Ethernet
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****************************************************************************/
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static struct resource dm9000_resources[] = {
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[0] = {
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.start = TRIZEPS4_ETH_PHYS+0x300,
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.end = TRIZEPS4_ETH_PHYS+0x400-1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = TRIZEPS4_ETH_PHYS+0x8300,
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.end = TRIZEPS4_ETH_PHYS+0x8400-1,
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.flags = IORESOURCE_MEM,
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},
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[2] = {
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.start = TRIZEPS4_ETH_IRQ,
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.end = TRIZEPS4_ETH_IRQ,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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},
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};
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static struct dm9000_plat_data tri_dm9000_platdata = {
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.flags = DM9000_PLATF_32BITONLY,
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};
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static struct platform_device dm9000_device = {
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.name = "dm9000",
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.id = -1,
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.num_resources = ARRAY_SIZE(dm9000_resources),
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.resource = dm9000_resources,
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.dev = {
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.platform_data = &tri_dm9000_platdata,
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}
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};
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/****************************************************************************
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* LED's on GPIO pins of PXA
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****************************************************************************/
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static struct gpio_led trizeps4_led[] = {
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#ifdef STATUS_LEDS_ON_STUART_PINS
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{
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.name = "led0:orange:heartbeat", /* */
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.default_trigger = "heartbeat",
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.gpio = GPIO_HEARTBEAT_LED,
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.active_low = 1,
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},
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{
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.name = "led1:yellow:cpubusy", /* */
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.default_trigger = "cpu-busy",
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.gpio = GPIO_SYS_BUSY_LED,
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.active_low = 1,
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},
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#endif
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};
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static struct gpio_led_platform_data trizeps4_led_data = {
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.leds = trizeps4_led,
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.num_leds = ARRAY_SIZE(trizeps4_led),
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};
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static struct platform_device leds_devices = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &trizeps4_led_data,
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},
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};
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static struct platform_device *trizeps4_devices[] __initdata = {
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&flash_device,
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&dm9000_device,
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&leds_devices,
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};
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static struct platform_device *trizeps4wl_devices[] __initdata = {
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&flash_device,
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&leds_devices,
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};
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static short trizeps_conxs_bcr;
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/* PCCARD power switching supports only 3,3V */
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void board_pcmcia_power(int power)
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{
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if (power) {
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/* switch power on, put in reset and enable buffers */
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trizeps_conxs_bcr |= power;
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trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
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trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
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BCR_writew(trizeps_conxs_bcr);
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/* wait a little */
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udelay(2000);
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/* take reset away */
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trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
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BCR_writew(trizeps_conxs_bcr);
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udelay(2000);
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} else {
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/* put in reset */
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trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
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BCR_writew(trizeps_conxs_bcr);
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udelay(1000);
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/* switch power off */
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trizeps_conxs_bcr &= ~0xf;
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BCR_writew(trizeps_conxs_bcr);
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}
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pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
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trizeps_conxs_bcr);
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}
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EXPORT_SYMBOL(board_pcmcia_power);
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/* backlight power switching for LCD panel */
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static void board_backlight_power(int on)
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{
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if (on)
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trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
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else
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trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
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pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
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trizeps_conxs_bcr);
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BCR_writew(trizeps_conxs_bcr);
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}
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/* a I2C based RTC is known on CONXS board */
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static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
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{ I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
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};
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/****************************************************************************
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* MMC card slot external to module
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****************************************************************************/
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static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
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void *data)
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{
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int err;
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err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
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IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM,
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"MMC card detect", data);
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if (err) {
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printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
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"MMC card detect IRQ\n");
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return -1;
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}
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return 0;
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}
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static void trizeps4_mci_exit(struct device *dev, void *data)
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{
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free_irq(TRIZEPS4_MMC_IRQ, data);
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}
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static struct pxamci_platform_data trizeps4_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.detect_delay = 1,
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.init = trizeps4_mci_init,
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.exit = trizeps4_mci_exit,
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.get_ro = NULL, /* write-protection not supported */
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.setpower = NULL, /* power-switching not supported */
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.gpio_card_detect = -1,
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.gpio_card_ro = -1,
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.gpio_power = -1,
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};
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/****************************************************************************
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* IRDA mode switching on stuart
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****************************************************************************/
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#ifndef STATUS_LEDS_ON_STUART_PINS
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static short trizeps_conxs_ircr;
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static int trizeps4_irda_startup(struct device *dev)
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{
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trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
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IRCR_writew(trizeps_conxs_ircr);
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return 0;
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}
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static void trizeps4_irda_shutdown(struct device *dev)
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{
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trizeps_conxs_ircr |= ConXS_IRCR_SD;
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IRCR_writew(trizeps_conxs_ircr);
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}
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static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
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{
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unsigned long flags;
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local_irq_save(flags);
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/* Switch mode */
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if (mode & IR_SIRMODE)
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trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */
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else if (mode & IR_FIRMODE)
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trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */
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/* Switch power */
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if (mode & IR_OFF)
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trizeps_conxs_ircr |= ConXS_IRCR_SD;
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else
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trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
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IRCR_writew(trizeps_conxs_ircr);
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local_irq_restore(flags);
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pxa2xx_transceiver_mode(dev, mode);
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}
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static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
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.gpio_pwdown = -1,
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.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
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.transceiver_mode = trizeps4_irda_transceiver_mode,
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.startup = trizeps4_irda_startup,
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.shutdown = trizeps4_irda_shutdown,
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};
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#endif
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/****************************************************************************
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* OHCI USB port
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****************************************************************************/
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static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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};
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static struct map_desc trizeps4_io_desc[] __initdata = {
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{ /* ConXS CFSR */
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.virtual = TRIZEPS4_CFSR_VIRT,
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.pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
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.length = 0x00001000,
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.type = MT_DEVICE
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},
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{ /* ConXS BCR */
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.virtual = TRIZEPS4_BOCR_VIRT,
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.pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
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.length = 0x00001000,
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.type = MT_DEVICE
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},
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{ /* ConXS IRCR */
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.virtual = TRIZEPS4_IRCR_VIRT,
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.pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
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.length = 0x00001000,
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.type = MT_DEVICE
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},
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{ /* ConXS DCR */
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.virtual = TRIZEPS4_DICR_VIRT,
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.pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
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.length = 0x00001000,
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.type = MT_DEVICE
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},
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{ /* ConXS UPSR */
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.virtual = TRIZEPS4_UPSR_VIRT,
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.pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
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.length = 0x00001000,
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.type = MT_DEVICE
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}
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};
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static struct pxafb_mode_info sharp_lcd_mode = {
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.pixclock = 78000,
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.xres = 640,
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.yres = 480,
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.bpp = 8,
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.hsync_len = 4,
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.left_margin = 4,
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.right_margin = 4,
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.vsync_len = 2,
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.upper_margin = 0,
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.lower_margin = 0,
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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.cmap_greyscale = 0,
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};
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static struct pxafb_mach_info sharp_lcd = {
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.modes = &sharp_lcd_mode,
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.num_modes = 1,
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.lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
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.cmap_inverse = 0,
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.cmap_static = 0,
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.pxafb_backlight_power = board_backlight_power,
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};
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static struct pxafb_mode_info toshiba_lcd_mode = {
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.pixclock = 39720,
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.xres = 640,
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.yres = 480,
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.bpp = 8,
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.hsync_len = 63,
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.left_margin = 12,
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.right_margin = 12,
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.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));
|
|
}
|
|
|
|
if (0) /* dont know how to determine LCD */
|
|
set_pxa_fb_info(&sharp_lcd);
|
|
else
|
|
set_pxa_fb_info(&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));
|
|
|
|
#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
|
|
BCR_writew(trizeps_conxs_bcr);
|
|
board_backlight_power(1);
|
|
}
|
|
|
|
static void __init trizeps4_map_io(void)
|
|
{
|
|
pxa_map_io();
|
|
iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
|
|
|
|
if ((MSC0 & 0x8) && (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") */
|
|
.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
|
|
|
|
MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL 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
|