forked from luck/tmp_suning_uos_patched
16bcf78f8c
Create a core.c __init function to handle the physmap flash registration for all the ep93xx platforms. Also, modify all the ep93xx platforms to use this new function. This simplifies all the ep93xx platform init code and reduces the size of the kernel when including multiple ep93xx boards. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Ryan Mallon <ryan@bluewatersys.com> Acked-by: Martin Guy <martinwguy@gmail.com> Acked-by: Hubert Feurstein <hubert.feurstein@contec.at> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
227 lines
6.7 KiB
C
227 lines
6.7 KiB
C
/*
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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/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 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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ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
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} else {
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ep93xx_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 __initdata 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 __initdata 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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/*************************************************************************
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* EDB93xx pwm
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*************************************************************************/
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static void __init edb93xx_register_pwm(void)
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{
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if (machine_is_edb9301() ||
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machine_is_edb9302() || machine_is_edb9302a()) {
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/* EP9301 and EP9302 only have pwm.1 (EGPIO14) */
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ep93xx_register_pwm(0, 1);
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} else if (machine_is_edb9307() || machine_is_edb9307a()) {
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/* EP9307 only has pwm.0 (PWMOUT) */
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ep93xx_register_pwm(1, 0);
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} else {
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/* EP9312 and EP9315 have both */
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ep93xx_register_pwm(1, 1);
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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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edb93xx_register_pwm();
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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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