528 строки
11 KiB
C
528 строки
11 KiB
C
/*
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* Support for Sharp SL-C6000x PDAs
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* Model: (Tosa)
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*
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* Copyright (c) 2005 Dirk Opfer
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*
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* Based on code written by Sharp/Lineo for 2.4 kernels
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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/pm.h>
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#include <linux/delay.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/gpio.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/hardware.h>
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#include <asm/irq.h>
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#include <asm/system.h>
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#include <asm/arch/pxa-regs.h>
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#include <asm/arch/pxa2xx-regs.h>
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#include <asm/arch/mfp-pxa25x.h>
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#include <asm/arch/irda.h>
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#include <asm/arch/i2c.h>
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#include <asm/arch/mmc.h>
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#include <asm/arch/udc.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/arch/tosa.h>
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#include <asm/hardware/scoop.h>
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#include <asm/mach/sharpsl_param.h>
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#include "generic.h"
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#include "devices.h"
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static unsigned long tosa_pin_config[] = {
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GPIO78_nCS_2, /* Scoop */
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GPIO80_nCS_4, /* tg6393xb */
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GPIO33_nCS_5, /* Scoop */
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// GPIO76 CARD_VCC_ON1
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GPIO19_GPIO, /* Reset out */
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GPIO1_RST | WAKEUP_ON_EDGE_FALL,
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GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */
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GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */
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GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */
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GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */
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GPIO20_GPIO, /* EAR_IN */
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GPIO22_GPIO, /* On */
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GPIO5_GPIO, /* USB_IN */
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GPIO32_GPIO, /* Pen IRQ */
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GPIO7_GPIO, /* Jacket Detect */
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GPIO14_GPIO, /* BAT0_CRG */
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GPIO12_GPIO, /* BAT1_CRG */
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GPIO17_GPIO, /* BAT0_LOW */
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GPIO84_GPIO, /* BAT1_LOW */
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GPIO38_GPIO, /* BAT_LOCK */
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GPIO11_3_6MHz,
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GPIO15_GPIO, /* TC6393XB IRQ */
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GPIO18_RDY,
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GPIO27_GPIO, /* LCD Sync */
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/* MMC */
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GPIO6_MMC_CLK,
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GPIO8_MMC_CS0,
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GPIO9_GPIO, /* Detect */
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// GPIO10 nSD_INT
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/* CF */
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GPIO13_GPIO, /* CD_IRQ */
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GPIO21_GPIO, /* Main Slot IRQ */
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GPIO36_GPIO, /* Jacket Slot IRQ */
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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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/* AC97 */
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GPIO31_AC97_SYNC,
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GPIO30_AC97_SDATA_OUT,
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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// GPIO79 nAUD_IRQ
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/* FFUART */
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GPIO34_FFUART_RXD,
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GPIO35_FFUART_CTS,
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GPIO37_FFUART_DSR,
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GPIO39_FFUART_TXD,
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GPIO40_FFUART_DTR,
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GPIO41_FFUART_RTS,
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/* BTUART */
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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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/* IrDA */
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GPIO46_STUART_RXD,
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GPIO47_STUART_TXD,
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/* Keybd */
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GPIO58_GPIO,
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GPIO59_GPIO,
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GPIO60_GPIO,
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GPIO61_GPIO,
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GPIO62_GPIO,
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GPIO63_GPIO,
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GPIO64_GPIO,
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GPIO65_GPIO,
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GPIO66_GPIO,
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GPIO67_GPIO,
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GPIO68_GPIO,
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GPIO69_GPIO,
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GPIO70_GPIO,
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GPIO71_GPIO,
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GPIO72_GPIO,
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GPIO73_GPIO,
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GPIO74_GPIO,
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GPIO75_GPIO,
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/* SPI */
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GPIO81_SSP2_CLK_OUT,
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GPIO82_SSP2_FRM_OUT,
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GPIO83_SSP2_TXD,
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};
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/*
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* SCOOP Device
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*/
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static struct resource tosa_scoop_resources[] = {
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[0] = {
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.start = TOSA_CF_PHYS,
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.end = TOSA_CF_PHYS + 0xfff,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct scoop_config tosa_scoop_setup = {
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.io_dir = TOSA_SCOOP_IO_DIR,
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.gpio_base = TOSA_SCOOP_GPIO_BASE,
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};
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static struct platform_device tosascoop_device = {
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.name = "sharp-scoop",
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.id = 0,
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.dev = {
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.platform_data = &tosa_scoop_setup,
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},
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.num_resources = ARRAY_SIZE(tosa_scoop_resources),
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.resource = tosa_scoop_resources,
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};
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/*
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* SCOOP Device Jacket
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*/
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static struct resource tosa_scoop_jc_resources[] = {
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[0] = {
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.start = TOSA_SCOOP_PHYS + 0x40,
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.end = TOSA_SCOOP_PHYS + 0xfff,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct scoop_config tosa_scoop_jc_setup = {
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.io_dir = TOSA_SCOOP_JC_IO_DIR,
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.gpio_base = TOSA_SCOOP_JC_GPIO_BASE,
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};
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static struct platform_device tosascoop_jc_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 = &tosa_scoop_jc_setup,
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.parent = &tosascoop_device.dev,
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},
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.num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
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.resource = tosa_scoop_jc_resources,
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};
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/*
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* PCMCIA
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*/
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static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
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{
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.dev = &tosascoop_device.dev,
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.irq = TOSA_IRQ_GPIO_CF_IRQ,
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.cd_irq = TOSA_IRQ_GPIO_CF_CD,
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.cd_irq_str = "PCMCIA0 CD",
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},{
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.dev = &tosascoop_jc_device.dev,
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.irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
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.cd_irq = -1,
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},
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};
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static struct scoop_pcmcia_config tosa_pcmcia_config = {
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.devs = &tosa_pcmcia_scoop[0],
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.num_devs = 2,
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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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.gpio_pullup = TOSA_GPIO_USB_PULLUP,
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.gpio_vbus = TOSA_GPIO_USB_IN,
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.gpio_vbus_inverted = 1,
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};
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/*
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* MMC/SD Device
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*/
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static struct pxamci_platform_data tosa_mci_platform_data;
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static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
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{
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int err;
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tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
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err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
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IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
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"MMC/SD card detect", data);
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if (err) {
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printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
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goto err_irq;
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}
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err = gpio_request(TOSA_GPIO_SD_WP, "sd_wp");
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if (err) {
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printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
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goto err_gpio_wp;
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}
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err = gpio_direction_input(TOSA_GPIO_SD_WP);
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if (err)
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goto err_gpio_wp_dir;
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err = gpio_request(TOSA_GPIO_PWR_ON, "sd_pwr");
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if (err) {
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printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
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goto err_gpio_pwr;
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}
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err = gpio_direction_output(TOSA_GPIO_PWR_ON, 0);
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if (err)
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goto err_gpio_pwr_dir;
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return 0;
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err_gpio_pwr_dir:
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gpio_free(TOSA_GPIO_PWR_ON);
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err_gpio_pwr:
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err_gpio_wp_dir:
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gpio_free(TOSA_GPIO_SD_WP);
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err_gpio_wp:
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free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
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err_irq:
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return err;
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}
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static void tosa_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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if (( 1 << vdd) & p_d->ocr_mask) {
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gpio_set_value(TOSA_GPIO_PWR_ON, 1);
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} else {
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gpio_set_value(TOSA_GPIO_PWR_ON, 0);
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}
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}
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static int tosa_mci_get_ro(struct device *dev)
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{
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return gpio_get_value(TOSA_GPIO_SD_WP);
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}
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static void tosa_mci_exit(struct device *dev, void *data)
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{
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gpio_free(TOSA_GPIO_PWR_ON);
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gpio_free(TOSA_GPIO_SD_WP);
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free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
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}
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static struct pxamci_platform_data tosa_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.init = tosa_mci_init,
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.get_ro = tosa_mci_get_ro,
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.setpower = tosa_mci_setpower,
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.exit = tosa_mci_exit,
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};
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/*
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* Irda
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*/
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static int tosa_irda_startup(struct device *dev)
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{
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int ret;
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ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
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if (ret)
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return ret;
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ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
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if (ret)
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gpio_free(TOSA_GPIO_IR_POWERDWN);
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return ret;
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}
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static void tosa_irda_shutdown(struct device *dev)
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{
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gpio_free(TOSA_GPIO_IR_POWERDWN);
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}
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static void tosa_irda_transceiver_mode(struct device *dev, int mode)
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{
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gpio_set_value(TOSA_GPIO_IR_POWERDWN, !(mode & IR_OFF));
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}
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static struct pxaficp_platform_data tosa_ficp_platform_data = {
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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.transceiver_mode = tosa_irda_transceiver_mode,
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.startup = tosa_irda_startup,
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.shutdown = tosa_irda_shutdown,
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};
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/*
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* Tosa Keyboard
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*/
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static struct platform_device tosakbd_device = {
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.name = "tosa-keyboard",
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.id = -1,
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};
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static struct gpio_keys_button tosa_gpio_keys[] = {
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/*
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* Two following keys are directly tied to "ON" button of tosa. Why?
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* The first one can be used as a wakeup source, the second can't;
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* also the first one is OR of ac_powered and on_button.
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*/
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{
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.type = EV_PWR,
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.code = KEY_RESERVED,
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.gpio = TOSA_GPIO_POWERON,
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.desc = "Poweron",
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.wakeup = 1,
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.active_low = 1,
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},
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{
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.type = EV_PWR,
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.code = KEY_SUSPEND,
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.gpio = TOSA_GPIO_ON_KEY,
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.desc = "On key",
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/*
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* can't be used as wakeup
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* .wakeup = 1,
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*/
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.active_low = 1,
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},
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{
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.type = EV_KEY,
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.code = TOSA_KEY_RECORD,
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.gpio = TOSA_GPIO_RECORD_BTN,
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.desc = "Record Button",
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.wakeup = 1,
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.active_low = 1,
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},
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{
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.type = EV_KEY,
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.code = TOSA_KEY_SYNC,
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.gpio = TOSA_GPIO_SYNC,
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.desc = "Sync Button",
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.wakeup = 1,
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.active_low = 1,
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},
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};
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static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
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.buttons = tosa_gpio_keys,
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.nbuttons = ARRAY_SIZE(tosa_gpio_keys),
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};
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static struct platform_device tosa_gpio_keys_device = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &tosa_gpio_keys_platform_data,
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},
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};
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/*
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* Tosa LEDs
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*/
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static struct gpio_led tosa_gpio_leds[] = {
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{
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.name = "tosa:amber:charge",
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.default_trigger = "main-battery-charging",
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.gpio = TOSA_GPIO_CHRG_ERR_LED,
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},
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{
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.name = "tosa:green:mail",
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.default_trigger = "nand-disk",
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.gpio = TOSA_GPIO_NOTE_LED,
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},
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{
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.name = "tosa:dual:wlan",
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.default_trigger = "none",
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.gpio = TOSA_GPIO_WLAN_LED,
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},
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{
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.name = "tosa:blue:bluetooth",
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.default_trigger = "none",
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.gpio = TOSA_GPIO_BT_LED,
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},
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};
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static struct gpio_led_platform_data tosa_gpio_leds_platform_data = {
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.leds = tosa_gpio_leds,
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.num_leds = ARRAY_SIZE(tosa_gpio_leds),
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};
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static struct platform_device tosaled_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 = &tosa_gpio_leds_platform_data,
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},
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};
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static struct platform_device *devices[] __initdata = {
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&tosascoop_device,
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&tosascoop_jc_device,
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&tosakbd_device,
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&tosa_gpio_keys_device,
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&tosaled_device,
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};
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static void tosa_poweroff(void)
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{
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pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
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GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
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mdelay(1000);
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arm_machine_restart('h');
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}
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static void tosa_restart(char mode)
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{
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/* Bootloader magic for a reboot */
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if((MSC0 & 0xffff0000) == 0x7ff00000)
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MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
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tosa_poweroff();
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}
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static void __init tosa_init(void)
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{
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pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
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gpio_set_wake(MFP_PIN_GPIO1, 1);
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/* We can't pass to gpio-keys since it will drop the Reset altfunc */
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pm_power_off = tosa_poweroff;
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arm_pm_restart = tosa_restart;
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PCFR |= PCFR_OPDE;
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/* enable batt_fault */
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PMCR = 0x01;
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pxa_set_mci_info(&tosa_mci_platform_data);
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pxa_set_udc_info(&udc_info);
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pxa_set_ficp_info(&tosa_ficp_platform_data);
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pxa_set_i2c_info(NULL);
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platform_scoop_config = &tosa_pcmcia_config;
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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static void __init fixup_tosa(struct machine_desc *desc,
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struct tag *tags, char **cmdline, struct meminfo *mi)
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{
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sharpsl_save_param();
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mi->nr_banks=1;
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mi->bank[0].start = 0xa0000000;
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mi->bank[0].node = 0;
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mi->bank[0].size = (64*1024*1024);
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}
|
|
|
|
MACHINE_START(TOSA, "SHARP Tosa")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.fixup = fixup_tosa,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa25x_init_irq,
|
|
.init_machine = tosa_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|