233 lines
6.8 KiB
C
233 lines
6.8 KiB
C
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/*
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* arch/arm/mach-ep93xx/edb93xx.c
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* Cirrus Logic EDB93xx Development Board support.
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*
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* EDB93XX, EDB9301, EDB9307A
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* Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com>
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*
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* EDB9302
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* Copyright (C) 2006 George Kashperko <george@chas.com.ua>
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*
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* EDB9302A, EDB9315, EDB9315A
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* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
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*
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* EDB9307
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* Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
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*
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* EDB9312
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* Copyright (C) 2006 Infosys Technologies Limited
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* Toufeeq Hussain <toufeeq_hussain@infosys.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 as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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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/mtd/physmap.h>
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#include <linux/gpio.h>
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#include <linux/i2c.h>
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#include <linux/i2c-gpio.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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static struct physmap_flash_data edb93xx_flash_data;
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static struct resource edb93xx_flash_resource = {
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device edb93xx_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &edb93xx_flash_data,
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},
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.num_resources = 1,
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.resource = &edb93xx_flash_resource,
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};
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static void __init __edb93xx_register_flash(unsigned int width,
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resource_size_t start, resource_size_t size)
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{
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edb93xx_flash_data.width = width;
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edb93xx_flash_resource.start = start;
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edb93xx_flash_resource.end = start + size - 1;
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platform_device_register(&edb93xx_flash);
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}
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static void __init edb93xx_register_flash(void)
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{
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if (machine_is_edb9307() || machine_is_edb9312() ||
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machine_is_edb9315()) {
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__edb93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
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} else {
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__edb93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
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}
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}
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static struct ep93xx_eth_data edb93xx_eth_data = {
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.phy_id = 1,
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};
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/*************************************************************************
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* EDB93xx i2c peripheral handling
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*************************************************************************/
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static struct i2c_gpio_platform_data edb93xx_i2c_gpio_data = {
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.sda_pin = EP93XX_GPIO_LINE_EEDAT,
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.sda_is_open_drain = 0,
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.scl_pin = EP93XX_GPIO_LINE_EECLK,
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.scl_is_open_drain = 0,
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.udelay = 0, /* default to 100 kHz */
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.timeout = 0, /* default to 100 ms */
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};
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static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
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{
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I2C_BOARD_INFO("isl1208", 0x6f),
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},
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};
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static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
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{
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I2C_BOARD_INFO("ds1337", 0x68),
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},
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};
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static void __init edb93xx_register_i2c(void)
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{
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if (machine_is_edb9302a() || machine_is_edb9307a() ||
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machine_is_edb9315a()) {
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ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
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edb93xxa_i2c_board_info,
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ARRAY_SIZE(edb93xxa_i2c_board_info));
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} else if (machine_is_edb9307() || machine_is_edb9312() ||
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machine_is_edb9315()) {
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ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
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edb93xx_i2c_board_info,
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ARRAY_SIZE(edb93xx_i2c_board_info));
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}
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}
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static void __init edb93xx_init_machine(void)
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{
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ep93xx_init_devices();
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edb93xx_register_flash();
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ep93xx_register_eth(&edb93xx_eth_data, 1);
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edb93xx_register_i2c();
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}
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#ifdef CONFIG_MACH_EDB9301
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MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
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/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb93xx_init_machine,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EDB9302
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MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
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/* Maintainer: George Kashperko <george@chas.com.ua> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb93xx_init_machine,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EDB9302A
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MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
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/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb93xx_init_machine,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EDB9307
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MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
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/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb93xx_init_machine,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EDB9307A
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MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
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/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb93xx_init_machine,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EDB9312
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MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
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/* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb93xx_init_machine,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EDB9315
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MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
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/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb93xx_init_machine,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EDB9315A
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MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
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/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb93xx_init_machine,
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MACHINE_END
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#endif
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