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39eabec14c
This commit converts the already partially DT-converted edmini_v2 platform to use the Device Tree for I2C bus and devices. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: https://lkml.kernel.org/r/1398202002-28530-30-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
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* arch/arm/mach-orion5x/edmini_v2-setup.c
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*
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* LaCie Ethernet Disk mini V2 Setup
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*
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* Copyright (C) 2008 Christopher Moore <moore@free.fr>
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* Copyright (C) 2008 Albert Aribaud <albert.aribaud@free.fr>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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/*
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* TODO: add Orion USB device port init when kernel.org support is added.
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* TODO: add flash write support: see below.
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* TODO: add power-off support.
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* TODO: add I2C EEPROM support.
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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/pci.h>
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#include <linux/irq.h>
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#include <linux/mbus.h>
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#include <linux/mtd/physmap.h>
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#include <linux/leds.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/ata_platform.h>
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#include <linux/gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/pci.h>
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#include <mach/orion5x.h>
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#include "common.h"
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#include "mpp.h"
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/*****************************************************************************
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* EDMINI_V2 Info
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****************************************************************************/
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/*
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* 512KB NOR flash Device bus boot chip select
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*/
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#define EDMINI_V2_NOR_BOOT_BASE 0xfff80000
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#define EDMINI_V2_NOR_BOOT_SIZE SZ_512K
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/*****************************************************************************
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* 512KB NOR Flash on BOOT Device
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****************************************************************************/
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/*
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* Currently the MTD code does not recognize the MX29LV400CBCT as a bottom
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* -type device. This could cause risks of accidentally erasing critical
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* flash sectors. We thus define a single, write-protected partition covering
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* the whole flash.
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* TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD
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* code, break this into at least three partitions: 'u-boot code', 'u-boot
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* environment' and 'whatever is left'.
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*/
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static struct mtd_partition edmini_v2_partitions[] = {
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{
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.name = "Full512kb",
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.size = 0x00080000,
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.offset = 0x00000000,
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.mask_flags = MTD_WRITEABLE,
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},
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};
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static struct physmap_flash_data edmini_v2_nor_flash_data = {
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.width = 1,
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.parts = edmini_v2_partitions,
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.nr_parts = ARRAY_SIZE(edmini_v2_partitions),
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};
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static struct resource edmini_v2_nor_flash_resource = {
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.flags = IORESOURCE_MEM,
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.start = EDMINI_V2_NOR_BOOT_BASE,
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.end = EDMINI_V2_NOR_BOOT_BASE
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+ EDMINI_V2_NOR_BOOT_SIZE - 1,
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};
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static struct platform_device edmini_v2_nor_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 = &edmini_v2_nor_flash_data,
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},
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.num_resources = 1,
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.resource = &edmini_v2_nor_flash_resource,
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};
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/*****************************************************************************
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* General Setup
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****************************************************************************/
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void __init edmini_v2_init(void)
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{
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/*
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* Configure peripherals.
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*/
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orion5x_ehci0_init();
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mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
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ORION_MBUS_DEVBUS_BOOT_ATTR,
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EDMINI_V2_NOR_BOOT_BASE,
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EDMINI_V2_NOR_BOOT_SIZE);
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platform_device_register(&edmini_v2_nor_flash);
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pr_notice("edmini_v2: USB device port, flash write and power-off "
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"are not yet supported.\n");
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}
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