366 lines
9.7 KiB
C
366 lines
9.7 KiB
C
/*
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* arch/arm/mach-orion5x/d2net-setup.c
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*
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* LaCie d2Network and Big Disk Network NAS setup
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*
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* Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
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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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#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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* LaCie d2 Network 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 D2NET_NOR_BOOT_BASE 0xfff80000
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#define D2NET_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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* TODO: Check write support on flash MX29LV400CBTC-70G
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*/
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static struct mtd_partition d2net_partitions[] = {
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{
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.name = "Full512kb",
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.size = MTDPART_SIZ_FULL,
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.offset = 0,
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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 d2net_nor_flash_data = {
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.width = 1,
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.parts = d2net_partitions,
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.nr_parts = ARRAY_SIZE(d2net_partitions),
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};
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static struct resource d2net_nor_flash_resource = {
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.flags = IORESOURCE_MEM,
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.start = D2NET_NOR_BOOT_BASE,
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.end = D2NET_NOR_BOOT_BASE
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+ D2NET_NOR_BOOT_SIZE - 1,
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};
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static struct platform_device d2net_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 = &d2net_nor_flash_data,
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},
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.num_resources = 1,
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.resource = &d2net_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 d2net_eth_data = {
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.phy_addr = MV643XX_ETH_PHY_ADDR(8),
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};
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/*****************************************************************************
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* I2C devices
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****************************************************************************/
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/*
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* i2c addr | chip | description
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* 0x32 | Ricoh 5C372b | RTC
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* 0x3e | GMT G762 | PWM fan controller
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* 0x50 | HT24LC08 | eeprom (1kB)
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*
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* TODO: Add G762 support to the g760a driver.
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*/
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static struct i2c_board_info __initdata d2net_i2c_devices[] = {
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{
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I2C_BOARD_INFO("rs5c372b", 0x32),
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}, {
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I2C_BOARD_INFO("24c08", 0x50),
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},
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};
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/*****************************************************************************
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* SATA
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****************************************************************************/
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static struct mv_sata_platform_data d2net_sata_data = {
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.n_ports = 2,
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};
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#define D2NET_GPIO_SATA0_POWER 3
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#define D2NET_GPIO_SATA1_POWER 12
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static void __init d2net_sata_power_init(void)
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{
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int err;
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err = gpio_request(D2NET_GPIO_SATA0_POWER, "SATA0 power");
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if (err == 0) {
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err = gpio_direction_output(D2NET_GPIO_SATA0_POWER, 1);
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if (err)
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gpio_free(D2NET_GPIO_SATA0_POWER);
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}
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if (err)
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pr_err("d2net: failed to configure SATA0 power GPIO\n");
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err = gpio_request(D2NET_GPIO_SATA1_POWER, "SATA1 power");
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if (err == 0) {
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err = gpio_direction_output(D2NET_GPIO_SATA1_POWER, 1);
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if (err)
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gpio_free(D2NET_GPIO_SATA1_POWER);
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}
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if (err)
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pr_err("d2net: failed to configure SATA1 power GPIO\n");
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}
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/*****************************************************************************
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* GPIO LED's
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****************************************************************************/
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/*
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* The blue front LED is wired to the CPLD and can blink in relation with the
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* SATA activity. This feature is disabled to make this LED compatible with
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* the leds-gpio driver: MPP14 and MPP15 are configured to act like output
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* GPIO's and have to stay in an active state. This is needed to set the blue
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* LED in a "fix on" state regardless of the SATA activity.
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*
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* The following array detail the different LED registers and the combination
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* of their possible values:
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*
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* led_off | blink_ctrl | SATA active | LED state
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* | | |
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* 1 | x | x | off
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* 0 | 0 | 0 | off
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* 0 | 1 | 0 | blink (rate 300ms)
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* 0 | x | 1 | on
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*
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* Notes: The blue and the red front LED's can't be on at the same time.
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* Red LED have priority.
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*/
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#define D2NET_GPIO_RED_LED 6
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#define D2NET_GPIO_BLUE_LED_BLINK_CTRL 16
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#define D2NET_GPIO_BLUE_LED_OFF 23
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#define D2NET_GPIO_SATA0_ACT 14
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#define D2NET_GPIO_SATA1_ACT 15
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static struct gpio_led d2net_leds[] = {
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{
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.name = "d2net:blue:power",
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.gpio = D2NET_GPIO_BLUE_LED_OFF,
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.active_low = 1,
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},
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{
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.name = "d2net:red:fail",
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.gpio = D2NET_GPIO_RED_LED,
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},
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};
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static struct gpio_led_platform_data d2net_led_data = {
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.num_leds = ARRAY_SIZE(d2net_leds),
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.leds = d2net_leds,
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};
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static struct platform_device d2net_gpio_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &d2net_led_data,
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},
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};
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static void __init d2net_gpio_leds_init(void)
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{
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/* Configure GPIO over MPP max number. */
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orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);
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if (gpio_request(D2NET_GPIO_SATA0_ACT, "LED SATA0 activity") != 0)
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return;
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if (gpio_direction_output(D2NET_GPIO_SATA0_ACT, 1) != 0)
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goto err_free_1;
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if (gpio_request(D2NET_GPIO_SATA1_ACT, "LED SATA1 activity") != 0)
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goto err_free_1;
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if (gpio_direction_output(D2NET_GPIO_SATA1_ACT, 1) != 0)
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goto err_free_2;
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platform_device_register(&d2net_gpio_leds);
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return;
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err_free_2:
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gpio_free(D2NET_GPIO_SATA1_ACT);
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err_free_1:
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gpio_free(D2NET_GPIO_SATA0_ACT);
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return;
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}
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/****************************************************************************
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* GPIO keys
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****************************************************************************/
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#define D2NET_GPIO_PUSH_BUTTON 18
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#define D2NET_GPIO_POWER_SWITCH_ON 8
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#define D2NET_GPIO_POWER_SWITCH_OFF 9
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#define D2NET_SWITCH_POWER_ON 0x1
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#define D2NET_SWITCH_POWER_OFF 0x2
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static struct gpio_keys_button d2net_buttons[] = {
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{
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.type = EV_SW,
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.code = D2NET_SWITCH_POWER_OFF,
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.gpio = D2NET_GPIO_POWER_SWITCH_OFF,
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.desc = "Power rocker switch (auto|off)",
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.active_low = 0,
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},
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{
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.type = EV_SW,
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.code = D2NET_SWITCH_POWER_ON,
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.gpio = D2NET_GPIO_POWER_SWITCH_ON,
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.desc = "Power rocker switch (on|auto)",
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.active_low = 0,
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},
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{
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.type = EV_KEY,
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.code = KEY_POWER,
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.gpio = D2NET_GPIO_PUSH_BUTTON,
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.desc = "Front Push Button",
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.active_low = 0,
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},
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};
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static struct gpio_keys_platform_data d2net_button_data = {
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.buttons = d2net_buttons,
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.nbuttons = ARRAY_SIZE(d2net_buttons),
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};
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static struct platform_device d2net_gpio_buttons = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &d2net_button_data,
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},
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};
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/*****************************************************************************
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* General Setup
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****************************************************************************/
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static struct orion5x_mpp_mode d2net_mpp_modes[] __initdata = {
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{ 0, MPP_GPIO }, /* Board ID (bit 0) */
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{ 1, MPP_GPIO }, /* Board ID (bit 1) */
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{ 2, MPP_GPIO }, /* Board ID (bit 2) */
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{ 3, MPP_GPIO }, /* SATA 0 power */
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{ 4, MPP_UNUSED },
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{ 5, MPP_GPIO }, /* Fan fail detection */
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{ 6, MPP_GPIO }, /* Red front LED */
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{ 7, MPP_UNUSED },
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{ 8, MPP_GPIO }, /* Rear power switch (on|auto) */
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{ 9, MPP_GPIO }, /* Rear power switch (auto|off) */
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{ 10, MPP_UNUSED },
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{ 11, MPP_UNUSED },
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{ 12, MPP_GPIO }, /* SATA 1 power */
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{ 13, MPP_UNUSED },
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{ 14, MPP_GPIO }, /* SATA 0 active */
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{ 15, MPP_GPIO }, /* SATA 1 active */
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{ 16, MPP_GPIO }, /* Blue front LED blink control */
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{ 17, MPP_UNUSED },
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{ 18, MPP_GPIO }, /* Front button (0 = Released, 1 = Pushed ) */
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{ 19, MPP_UNUSED },
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{ -1 }
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/* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
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/* 23: Blue front LED off */
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/* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
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};
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static void __init d2net_init(void)
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{
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/*
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* Setup basic Orion functions. Need to be called early.
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*/
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orion5x_init();
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orion5x_mpp_conf(d2net_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(&d2net_eth_data);
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orion5x_i2c_init();
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orion5x_uart0_init();
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d2net_sata_power_init();
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orion5x_sata_init(&d2net_sata_data);
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orion5x_setup_dev_boot_win(D2NET_NOR_BOOT_BASE,
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D2NET_NOR_BOOT_SIZE);
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platform_device_register(&d2net_nor_flash);
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platform_device_register(&d2net_gpio_buttons);
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d2net_gpio_leds_init();
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pr_notice("d2net: Flash write are not yet supported.\n");
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i2c_register_board_info(0, d2net_i2c_devices,
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ARRAY_SIZE(d2net_i2c_devices));
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}
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/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
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#ifdef CONFIG_MACH_D2NET
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MACHINE_START(D2NET, "LaCie d2 Network")
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.phys_io = ORION5X_REGS_PHYS_BASE,
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.io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
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.boot_params = 0x00000100,
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.init_machine = d2net_init,
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.map_io = orion5x_map_io,
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.init_irq = orion5x_init_irq,
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.timer = &orion5x_timer,
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.fixup = tag_fixup_mem32,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_BIGDISK
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MACHINE_START(BIGDISK, "LaCie Big Disk Network")
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.phys_io = ORION5X_REGS_PHYS_BASE,
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.io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
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.boot_params = 0x00000100,
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.init_machine = d2net_init,
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.map_io = orion5x_map_io,
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.init_irq = orion5x_init_irq,
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.timer = &orion5x_timer,
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.fixup = tag_fixup_mem32,
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MACHINE_END
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#endif
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