07f645df9f
This commit converts the 'LaCie Ethernet Disk mini v2' board to the Device Tree. All devices that have existing Device Tree bindings are converted over to the Device Tree, the other devices remain instantiated in the old way, until the respective drivers get the needed Device Tree bindings. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
176 lines
4.9 KiB
C
176 lines
4.9 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/mtd/physmap.h>
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#include <linux/mv643xx_eth.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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* Ethernet
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****************************************************************************/
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static struct mv643xx_eth_platform_data edmini_v2_eth_data = {
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.phy_addr = 8,
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};
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/*****************************************************************************
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* RTC 5C372a on I2C bus
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****************************************************************************/
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#define EDMINIV2_RTC_GPIO 3
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static struct i2c_board_info __initdata edmini_v2_i2c_rtc = {
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I2C_BOARD_INFO("rs5c372a", 0x32),
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.irq = 0,
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};
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/*****************************************************************************
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* General Setup
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****************************************************************************/
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static unsigned int edminiv2_mpp_modes[] __initdata = {
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MPP0_UNUSED,
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MPP1_UNUSED,
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MPP2_UNUSED,
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MPP3_GPIO, /* RTC interrupt */
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MPP4_UNUSED,
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MPP5_UNUSED,
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MPP6_UNUSED,
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MPP7_UNUSED,
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MPP8_UNUSED,
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MPP9_UNUSED,
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MPP10_UNUSED,
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MPP11_UNUSED,
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MPP12_SATA_LED, /* SATA 0 presence */
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MPP13_SATA_LED, /* SATA 1 presence */
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MPP14_SATA_LED, /* SATA 0 active */
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MPP15_SATA_LED, /* SATA 1 active */
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/* 16: Power LED control (0 = On, 1 = Off) */
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MPP16_GPIO,
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/* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */
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MPP17_GPIO,
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/* 18: Power button status (0 = Released, 1 = Pressed) */
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MPP18_GPIO,
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MPP19_UNUSED,
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0,
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};
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void __init edmini_v2_init(void)
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{
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orion5x_mpp_conf(edminiv2_mpp_modes);
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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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orion5x_eth_init(&edmini_v2_eth_data);
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orion5x_setup_dev_boot_win(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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/* Get RTC IRQ and register the chip */
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if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) {
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if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0)
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edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO);
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else
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gpio_free(EDMINIV2_RTC_GPIO);
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}
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if (edmini_v2_i2c_rtc.irq == 0)
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pr_warning("edmini_v2: failed to get RTC IRQ\n");
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i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1);
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}
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