forked from luck/tmp_suning_uos_patched
851982c1b6
This patch introduces pxa2xx_map_io() and pxa3xx_map_io() to distinguish
between PXA25x/PXA27x and PXA3xx memory mapping.
Also, fixup for platforms broken after introducing pxa{25x,27x}_map_io()
and pxa3xx_map_io() is included.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
225 lines
5.9 KiB
C
225 lines
5.9 KiB
C
/*
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* linux/arch/arm/mach-pxa/colibri-pxa270.c
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*
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* Support for Toradex PXA270 based Colibri module
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* Daniel Mack <daniel@caiaq.de>
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* Marek Vasut <marek.vasut@gmail.com>
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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/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/platform_device.h>
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#include <linux/sysdev.h>
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#include <linux/ucb1400.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/flash.h>
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#include <asm/mach-types.h>
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#include <asm/sizes.h>
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#include <mach/audio.h>
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#include <mach/colibri.h>
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#include <mach/pxa27x.h>
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#include "devices.h"
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#include "generic.h"
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/******************************************************************************
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* Pin configuration
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******************************************************************************/
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static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
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/* Ethernet */
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GPIO78_nCS_2, /* Ethernet CS */
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GPIO114_GPIO, /* Ethernet IRQ */
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/* AC97 */
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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GPIO30_AC97_SDATA_OUT,
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GPIO31_AC97_SYNC,
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GPIO95_AC97_nRESET,
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GPIO98_AC97_SYSCLK,
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GPIO113_GPIO, /* Touchscreen IRQ */
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};
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/******************************************************************************
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* NOR Flash
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******************************************************************************/
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#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
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static struct mtd_partition colibri_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 = "Kernel",
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.offset = 0x00040000,
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.size = 0x00400000,
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.mask_flags = 0
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}, {
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.name = "Rootfs",
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.offset = 0x00440000,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct physmap_flash_data colibri_flash_data[] = {
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{
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.width = 4, /* bankwidth in bytes */
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.parts = colibri_partitions,
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.nr_parts = ARRAY_SIZE(colibri_partitions)
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}
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};
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static struct resource colibri_pxa270_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 colibri_pxa270_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 = colibri_flash_data,
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},
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.resource = &colibri_pxa270_flash_resource,
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.num_resources = 1,
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};
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static void __init colibri_pxa270_nor_init(void)
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{
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platform_device_register(&colibri_pxa270_flash_device);
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}
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#else
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static inline void colibri_pxa270_nor_init(void) {}
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#endif
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/******************************************************************************
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* Ethernet
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******************************************************************************/
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#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
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static struct resource colibri_pxa270_dm9000_resources[] = {
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{
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.start = PXA_CS2_PHYS,
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.end = PXA_CS2_PHYS + 3,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = PXA_CS2_PHYS + 4,
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.end = PXA_CS2_PHYS + 4 + 500,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
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.end = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
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},
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};
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static struct platform_device colibri_pxa270_dm9000_device = {
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.name = "dm9000",
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.id = -1,
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.num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources),
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.resource = colibri_pxa270_dm9000_resources,
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};
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static void __init colibri_pxa270_eth_init(void)
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{
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platform_device_register(&colibri_pxa270_dm9000_device);
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}
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#else
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static inline void colibri_pxa270_eth_init(void) {}
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#endif
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/******************************************************************************
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* Audio and Touchscreen
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******************************************************************************/
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#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
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defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
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static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = {
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.reset_gpio = 95,
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};
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static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = {
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.irq = gpio_to_irq(GPIO113_COLIBRI_PXA270_TS_IRQ),
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};
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static struct platform_device colibri_pxa270_ucb1400_device = {
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.name = "ucb1400_core",
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.id = -1,
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.dev = {
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.platform_data = &colibri_pxa270_ucb1400_pdata,
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},
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};
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static void __init colibri_pxa270_tsc_init(void)
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{
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pxa_set_ac97_info(&colibri_pxa270_ac97_pdata);
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platform_device_register(&colibri_pxa270_ucb1400_device);
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}
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#else
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static inline void colibri_pxa270_tsc_init(void) {}
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#endif
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static int colibri_pxa270_baseboard;
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core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444);
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static void __init colibri_pxa270_init(void)
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{
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pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
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colibri_pxa270_nor_init();
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colibri_pxa270_eth_init();
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colibri_pxa270_tsc_init();
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switch (colibri_pxa270_baseboard) {
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case COLIBRI_PXA270_EVALBOARD:
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colibri_pxa270_evalboard_init();
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break;
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case COLIBRI_PXA270_INCOME:
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colibri_pxa270_income_boardinit();
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break;
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default:
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printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n",
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colibri_pxa270_baseboard);
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}
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}
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/* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either
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* with the INCOME mach type or with COLIBRI and the kernel parameter
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* "colibri_pxa270_baseboard=1"
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*/
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static void __init colibri_pxa270_income_init(void)
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{
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colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME;
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colibri_pxa270_init();
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}
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MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
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.boot_params = COLIBRI_SDRAM_BASE + 0x100,
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.init_machine = colibri_pxa270_init,
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.map_io = pxa27x_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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MACHINE_END
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MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC")
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.boot_params = 0xa0000100,
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.init_machine = colibri_pxa270_income_init,
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.map_io = pxa27x_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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MACHINE_END
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