forked from luck/tmp_suning_uos_patched
46580c0306
Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Eric Miao <eric.miao@marvell.com>
695 lines
15 KiB
C
695 lines
15 KiB
C
/*
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* Support for Sharp SL-C7xx PDAs
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* Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
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*
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* Copyright (c) 2004-2005 Richard Purdie
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*
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* Based on Sharp's 2.4 kernel patches/lubbock.c
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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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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/major.h>
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#include <linux/fs.h>
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#include <linux/interrupt.h>
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#include <linux/mmc/host.h>
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#include <linux/mtd/physmap.h>
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#include <linux/pm.h>
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#include <linux/gpio.h>
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#include <linux/backlight.h>
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#include <linux/io.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/ads7846.h>
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#include <linux/spi/corgi_lcd.h>
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#include <linux/mtd/sharpsl.h>
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#include <video/w100fb.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 <mach/hardware.h>
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#include <asm/irq.h>
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#include <asm/system.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 <mach/pxa25x.h>
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#include <plat/i2c.h>
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#include <mach/irda.h>
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#include <mach/mmc.h>
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#include <mach/udc.h>
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#include <mach/pxa2xx_spi.h>
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#include <mach/corgi.h>
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#include <mach/sharpsl.h>
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#include <asm/mach/sharpsl_param.h>
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#include <asm/hardware/scoop.h>
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#include "generic.h"
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#include "devices.h"
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#include "sharpsl.h"
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static unsigned long corgi_pin_config[] __initdata = {
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/* Static Memory I/O */
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GPIO78_nCS_2, /* w100fb */
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GPIO80_nCS_4, /* scoop */
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/* SSP1 */
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GPIO23_SSP1_SCLK,
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GPIO25_SSP1_TXD,
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GPIO26_SSP1_RXD,
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GPIO24_GPIO, /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
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/* I2S */
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GPIO28_I2S_BITCLK_OUT,
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GPIO29_I2S_SDATA_IN,
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GPIO30_I2S_SDATA_OUT,
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GPIO31_I2S_SYNC,
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GPIO32_I2S_SYSCLK,
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/* Infra-Red */
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GPIO47_FICP_TXD,
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GPIO46_FICP_RXD,
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/* FFUART */
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GPIO40_FFUART_DTR,
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GPIO41_FFUART_RTS,
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GPIO39_FFUART_TXD,
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GPIO37_FFUART_DSR,
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GPIO34_FFUART_RXD,
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GPIO35_FFUART_CTS,
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/* PC Card */
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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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GPIO52_nPCE_1,
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GPIO53_nPCE_2,
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GPIO54_nPSKTSEL,
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GPIO55_nPREG,
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GPIO56_nPWAIT,
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GPIO57_nIOIS16,
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/* MMC */
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GPIO6_MMC_CLK,
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GPIO8_MMC_CS0,
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/* GPIO */
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GPIO9_GPIO, /* CORGI_GPIO_nSD_DETECT */
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GPIO7_GPIO, /* CORGI_GPIO_nSD_WP */
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GPIO33_GPIO, /* CORGI_GPIO_SD_PWR */
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GPIO22_GPIO, /* CORGI_GPIO_IR_ON */
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GPIO44_GPIO, /* CORGI_GPIO_HSYNC */
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GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
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};
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/*
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* Corgi SCOOP Device
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*/
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static struct resource corgi_scoop_resources[] = {
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[0] = {
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.start = 0x10800000,
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.end = 0x10800fff,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct scoop_config corgi_scoop_setup = {
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.io_dir = CORGI_SCOOP_IO_DIR,
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.io_out = CORGI_SCOOP_IO_OUT,
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.gpio_base = CORGI_SCOOP_GPIO_BASE,
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};
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struct platform_device corgiscoop_device = {
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.name = "sharp-scoop",
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.id = -1,
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.dev = {
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.platform_data = &corgi_scoop_setup,
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},
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.num_resources = ARRAY_SIZE(corgi_scoop_resources),
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.resource = corgi_scoop_resources,
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};
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static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
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{
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.dev = &corgiscoop_device.dev,
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.irq = CORGI_IRQ_GPIO_CF_IRQ,
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.cd_irq = CORGI_IRQ_GPIO_CF_CD,
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.cd_irq_str = "PCMCIA0 CD",
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},
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};
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static struct scoop_pcmcia_config corgi_pcmcia_config = {
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.devs = &corgi_pcmcia_scoop[0],
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.num_devs = 1,
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};
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EXPORT_SYMBOL(corgiscoop_device);
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static struct w100_mem_info corgi_fb_mem = {
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.ext_cntl = 0x00040003,
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.sdram_mode_reg = 0x00650021,
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.ext_timing_cntl = 0x10002a4a,
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.io_cntl = 0x7ff87012,
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.size = 0x1fffff,
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};
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static struct w100_gen_regs corgi_fb_regs = {
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.lcd_format = 0x00000003,
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.lcdd_cntl1 = 0x01CC0000,
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.lcdd_cntl2 = 0x0003FFFF,
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.genlcd_cntl1 = 0x00FFFF0D,
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.genlcd_cntl2 = 0x003F3003,
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.genlcd_cntl3 = 0x000102aa,
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};
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static struct w100_gpio_regs corgi_fb_gpio = {
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.init_data1 = 0x000000bf,
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.init_data2 = 0x00000000,
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.gpio_dir1 = 0x00000000,
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.gpio_oe1 = 0x03c0feff,
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.gpio_dir2 = 0x00000000,
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.gpio_oe2 = 0x00000000,
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};
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static struct w100_mode corgi_fb_modes[] = {
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{
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.xres = 480,
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.yres = 640,
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.left_margin = 0x56,
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.right_margin = 0x55,
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.upper_margin = 0x03,
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.lower_margin = 0x00,
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.crtc_ss = 0x82360056,
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.crtc_ls = 0xA0280000,
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.crtc_gs = 0x80280028,
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.crtc_vpos_gs = 0x02830002,
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.crtc_rev = 0x00400008,
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.crtc_dclk = 0xA0000000,
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.crtc_gclk = 0x8015010F,
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.crtc_goe = 0x80100110,
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.crtc_ps1_active = 0x41060010,
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.pll_freq = 75,
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.fast_pll_freq = 100,
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.sysclk_src = CLK_SRC_PLL,
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.sysclk_divider = 0,
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.pixclk_src = CLK_SRC_PLL,
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.pixclk_divider = 2,
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.pixclk_divider_rotated = 6,
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},{
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.xres = 240,
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.yres = 320,
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.left_margin = 0x27,
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.right_margin = 0x2e,
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.upper_margin = 0x01,
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.lower_margin = 0x00,
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.crtc_ss = 0x81170027,
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.crtc_ls = 0xA0140000,
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.crtc_gs = 0xC0140014,
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.crtc_vpos_gs = 0x00010141,
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.crtc_rev = 0x00400008,
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.crtc_dclk = 0xA0000000,
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.crtc_gclk = 0x8015010F,
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.crtc_goe = 0x80100110,
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.crtc_ps1_active = 0x41060010,
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.pll_freq = 0,
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.fast_pll_freq = 0,
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.sysclk_src = CLK_SRC_XTAL,
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.sysclk_divider = 0,
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.pixclk_src = CLK_SRC_XTAL,
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.pixclk_divider = 1,
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.pixclk_divider_rotated = 1,
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},
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};
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static struct w100fb_mach_info corgi_fb_info = {
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.init_mode = INIT_MODE_ROTATED,
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.mem = &corgi_fb_mem,
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.regs = &corgi_fb_regs,
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.modelist = &corgi_fb_modes[0],
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.num_modes = 2,
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.gpio = &corgi_fb_gpio,
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.xtal_freq = 12500000,
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.xtal_dbl = 0,
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};
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static struct resource corgi_fb_resources[] = {
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[0] = {
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.start = 0x08000000,
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.end = 0x08ffffff,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device corgifb_device = {
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.name = "w100fb",
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.id = -1,
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.num_resources = ARRAY_SIZE(corgi_fb_resources),
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.resource = corgi_fb_resources,
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.dev = {
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.platform_data = &corgi_fb_info,
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},
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};
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/*
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* Corgi Keyboard Device
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*/
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static struct platform_device corgikbd_device = {
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.name = "corgi-keyboard",
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.id = -1,
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};
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/*
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* Corgi LEDs
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*/
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static struct gpio_led corgi_gpio_leds[] = {
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{
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.name = "corgi:amber:charge",
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.default_trigger = "sharpsl-charge",
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.gpio = CORGI_GPIO_LED_ORANGE,
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},
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{
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.name = "corgi:green:mail",
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.default_trigger = "nand-disk",
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.gpio = CORGI_GPIO_LED_GREEN,
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},
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};
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static struct gpio_led_platform_data corgi_gpio_leds_info = {
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.leds = corgi_gpio_leds,
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.num_leds = ARRAY_SIZE(corgi_gpio_leds),
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};
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static struct platform_device corgiled_device = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &corgi_gpio_leds_info,
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},
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};
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/*
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* MMC/SD Device
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*
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* The card detect interrupt isn't debounced so we delay it by 250ms
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* to give the card a chance to fully insert/eject.
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*/
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static struct pxamci_platform_data corgi_mci_platform_data;
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static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
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{
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int err;
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err = gpio_request(CORGI_GPIO_nSD_DETECT, "nSD_DETECT");
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if (err)
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goto err_out;
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err = gpio_request(CORGI_GPIO_nSD_WP, "nSD_WP");
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if (err)
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goto err_free_1;
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err = gpio_request(CORGI_GPIO_SD_PWR, "SD_PWR");
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if (err)
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goto err_free_2;
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gpio_direction_input(CORGI_GPIO_nSD_DETECT);
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gpio_direction_input(CORGI_GPIO_nSD_WP);
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gpio_direction_output(CORGI_GPIO_SD_PWR, 0);
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corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
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err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
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IRQF_DISABLED | IRQF_TRIGGER_RISING |
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IRQF_TRIGGER_FALLING,
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"MMC card detect", data);
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if (err) {
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pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
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__func__);
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goto err_free_3;
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}
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return 0;
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err_free_3:
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gpio_free(CORGI_GPIO_SD_PWR);
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err_free_2:
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gpio_free(CORGI_GPIO_nSD_WP);
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err_free_1:
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gpio_free(CORGI_GPIO_nSD_DETECT);
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err_out:
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return err;
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}
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static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
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{
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struct pxamci_platform_data* p_d = dev->platform_data;
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gpio_set_value(CORGI_GPIO_SD_PWR, ((1 << vdd) & p_d->ocr_mask));
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}
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static int corgi_mci_get_ro(struct device *dev)
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{
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return gpio_get_value(CORGI_GPIO_nSD_WP);
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}
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static void corgi_mci_exit(struct device *dev, void *data)
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{
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free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
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gpio_free(CORGI_GPIO_SD_PWR);
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gpio_free(CORGI_GPIO_nSD_WP);
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gpio_free(CORGI_GPIO_nSD_DETECT);
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}
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static struct pxamci_platform_data corgi_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.init = corgi_mci_init,
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.get_ro = corgi_mci_get_ro,
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.setpower = corgi_mci_setpower,
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.exit = corgi_mci_exit,
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};
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/*
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* Irda
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*/
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static void corgi_irda_transceiver_mode(struct device *dev, int mode)
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{
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gpio_set_value(CORGI_GPIO_IR_ON, mode & IR_OFF);
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pxa2xx_transceiver_mode(dev, mode);
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}
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static int corgi_irda_startup(struct device *dev)
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{
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int err;
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err = gpio_request(CORGI_GPIO_IR_ON, "IR_ON");
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if (err)
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return err;
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gpio_direction_output(CORGI_GPIO_IR_ON, 1);
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return 0;
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}
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static void corgi_irda_shutdown(struct device *dev)
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{
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gpio_free(CORGI_GPIO_IR_ON);
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}
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static struct pxaficp_platform_data corgi_ficp_platform_data = {
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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.transceiver_mode = corgi_irda_transceiver_mode,
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.startup = corgi_irda_startup,
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.shutdown = corgi_irda_shutdown,
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};
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/*
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* USB Device Controller
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*/
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static struct pxa2xx_udc_mach_info udc_info __initdata = {
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/* no connect GPIO; corgi can't tell connection status */
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.gpio_pullup = CORGI_GPIO_USB_PULLUP,
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};
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#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER)
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static struct pxa2xx_spi_master corgi_spi_info = {
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.num_chipselect = 3,
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};
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static void corgi_wait_for_hsync(void)
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{
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while (gpio_get_value(CORGI_GPIO_HSYNC))
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cpu_relax();
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while (!gpio_get_value(CORGI_GPIO_HSYNC))
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cpu_relax();
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}
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static struct ads7846_platform_data corgi_ads7846_info = {
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.model = 7846,
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.vref_delay_usecs = 100,
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.x_plate_ohms = 419,
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.y_plate_ohms = 486,
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.gpio_pendown = CORGI_GPIO_TP_INT,
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.wait_for_sync = corgi_wait_for_hsync,
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};
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static struct pxa2xx_spi_chip corgi_ads7846_chip = {
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.gpio_cs = CORGI_GPIO_ADS7846_CS,
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};
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static void corgi_bl_kick_battery(void)
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{
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void (*kick_batt)(void);
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kick_batt = symbol_get(sharpsl_battery_kick);
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if (kick_batt) {
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kick_batt();
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symbol_put(sharpsl_battery_kick);
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}
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}
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static struct corgi_lcd_platform_data corgi_lcdcon_info = {
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.init_mode = CORGI_LCD_MODE_VGA,
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.max_intensity = 0x2f,
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.default_intensity = 0x1f,
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.limit_mask = 0x0b,
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.gpio_backlight_cont = CORGI_GPIO_BACKLIGHT_CONT,
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.gpio_backlight_on = -1,
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.kick_battery = corgi_bl_kick_battery,
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};
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static struct pxa2xx_spi_chip corgi_lcdcon_chip = {
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.gpio_cs = CORGI_GPIO_LCDCON_CS,
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};
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static struct pxa2xx_spi_chip corgi_max1111_chip = {
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.gpio_cs = CORGI_GPIO_MAX1111_CS,
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};
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static struct spi_board_info corgi_spi_devices[] = {
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{
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.modalias = "ads7846",
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.max_speed_hz = 1200000,
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.bus_num = 1,
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.chip_select = 0,
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.platform_data = &corgi_ads7846_info,
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.controller_data= &corgi_ads7846_chip,
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.irq = gpio_to_irq(CORGI_GPIO_TP_INT),
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}, {
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.modalias = "corgi-lcd",
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.max_speed_hz = 50000,
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.bus_num = 1,
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.chip_select = 1,
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.platform_data = &corgi_lcdcon_info,
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.controller_data= &corgi_lcdcon_chip,
|
|
}, {
|
|
.modalias = "max1111",
|
|
.max_speed_hz = 450000,
|
|
.bus_num = 1,
|
|
.chip_select = 2,
|
|
.controller_data= &corgi_max1111_chip,
|
|
},
|
|
};
|
|
|
|
static void __init corgi_init_spi(void)
|
|
{
|
|
pxa2xx_set_spi_info(1, &corgi_spi_info);
|
|
spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
|
|
}
|
|
#else
|
|
static inline void corgi_init_spi(void) {}
|
|
#endif
|
|
|
|
static struct mtd_partition sharpsl_nand_partitions[] = {
|
|
{
|
|
.name = "System Area",
|
|
.offset = 0,
|
|
.size = 7 * 1024 * 1024,
|
|
},
|
|
{
|
|
.name = "Root Filesystem",
|
|
.offset = 7 * 1024 * 1024,
|
|
.size = 25 * 1024 * 1024,
|
|
},
|
|
{
|
|
.name = "Home Filesystem",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
|
|
|
|
static struct nand_bbt_descr sharpsl_bbt = {
|
|
.options = 0,
|
|
.offs = 4,
|
|
.len = 2,
|
|
.pattern = scan_ff_pattern
|
|
};
|
|
|
|
static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
|
|
.badblock_pattern = &sharpsl_bbt,
|
|
.partitions = sharpsl_nand_partitions,
|
|
.nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
|
|
};
|
|
|
|
static struct resource sharpsl_nand_resources[] = {
|
|
{
|
|
.start = 0x0C000000,
|
|
.end = 0x0C000FFF,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device sharpsl_nand_device = {
|
|
.name = "sharpsl-nand",
|
|
.id = -1,
|
|
.resource = sharpsl_nand_resources,
|
|
.num_resources = ARRAY_SIZE(sharpsl_nand_resources),
|
|
.dev.platform_data = &sharpsl_nand_platform_data,
|
|
};
|
|
|
|
static struct mtd_partition sharpsl_rom_parts[] = {
|
|
{
|
|
.name ="Boot PROM Filesystem",
|
|
.offset = 0x00120000,
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static struct physmap_flash_data sharpsl_rom_data = {
|
|
.width = 2,
|
|
.nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
|
|
.parts = sharpsl_rom_parts,
|
|
};
|
|
|
|
static struct resource sharpsl_rom_resources[] = {
|
|
{
|
|
.start = 0x00000000,
|
|
.end = 0x007fffff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device sharpsl_rom_device = {
|
|
.name = "physmap-flash",
|
|
.id = -1,
|
|
.resource = sharpsl_rom_resources,
|
|
.num_resources = ARRAY_SIZE(sharpsl_rom_resources),
|
|
.dev.platform_data = &sharpsl_rom_data,
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&corgiscoop_device,
|
|
&corgifb_device,
|
|
&corgikbd_device,
|
|
&corgiled_device,
|
|
&sharpsl_nand_device,
|
|
&sharpsl_rom_device,
|
|
};
|
|
|
|
static void corgi_poweroff(void)
|
|
{
|
|
if (!machine_is_corgi())
|
|
/* Green LED off tells the bootloader to halt */
|
|
gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
|
|
|
|
arm_machine_restart('h', NULL);
|
|
}
|
|
|
|
static void corgi_restart(char mode, const char *cmd)
|
|
{
|
|
if (!machine_is_corgi())
|
|
/* Green LED on tells the bootloader to reboot */
|
|
gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
|
|
|
|
arm_machine_restart('h', cmd);
|
|
}
|
|
|
|
static void __init corgi_init(void)
|
|
{
|
|
pm_power_off = corgi_poweroff;
|
|
arm_pm_restart = corgi_restart;
|
|
|
|
/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
|
|
PCFR |= PCFR_OPDE;
|
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
|
|
|
|
corgi_init_spi();
|
|
|
|
pxa_set_udc_info(&udc_info);
|
|
pxa_set_mci_info(&corgi_mci_platform_data);
|
|
pxa_set_ficp_info(&corgi_ficp_platform_data);
|
|
pxa_set_i2c_info(NULL);
|
|
|
|
platform_scoop_config = &corgi_pcmcia_config;
|
|
|
|
if (machine_is_husky())
|
|
sharpsl_nand_partitions[1].size = 53 * 1024 * 1024;
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
static void __init fixup_corgi(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;
|
|
if (machine_is_corgi())
|
|
mi->bank[0].size = (32*1024*1024);
|
|
else
|
|
mi->bank[0].size = (64*1024*1024);
|
|
}
|
|
|
|
#ifdef CONFIG_MACH_CORGI
|
|
MACHINE_START(CORGI, "SHARP Corgi")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.fixup = fixup_corgi,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa25x_init_irq,
|
|
.init_machine = corgi_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_SHEPHERD
|
|
MACHINE_START(SHEPHERD, "SHARP Shepherd")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.fixup = fixup_corgi,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa25x_init_irq,
|
|
.init_machine = corgi_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_HUSKY
|
|
MACHINE_START(HUSKY, "SHARP Husky")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.fixup = fixup_corgi,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa25x_init_irq,
|
|
.init_machine = corgi_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|
|
#endif
|
|
|