431 строка
11 KiB
C
431 строка
11 KiB
C
/*
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* arch/arm/mach-orion5x/net2big-setup.c
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*
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* LaCie 2Big 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/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 <linux/delay.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.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 2Big 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 NET2BIG_NOR_BOOT_BASE 0xfff80000
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#define NET2BIG_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 net2big_partitions[] = {
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{
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.name = "Full512kb",
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.size = MTDPART_SIZ_FULL,
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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 net2big_nor_flash_data = {
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.width = 1,
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.parts = net2big_partitions,
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.nr_parts = ARRAY_SIZE(net2big_partitions),
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};
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static struct resource net2big_nor_flash_resource = {
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.flags = IORESOURCE_MEM,
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.start = NET2BIG_NOR_BOOT_BASE,
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.end = NET2BIG_NOR_BOOT_BASE
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+ NET2BIG_NOR_BOOT_SIZE - 1,
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};
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static struct platform_device net2big_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 = &net2big_nor_flash_data,
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},
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.num_resources = 1,
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.resource = &net2big_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 net2big_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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* 0x50 | HT24LC08 | eeprom (1kB)
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*/
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static struct i2c_board_info __initdata net2big_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 net2big_sata_data = {
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.n_ports = 2,
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};
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#define NET2BIG_GPIO_SATA_POWER_REQ 19
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#define NET2BIG_GPIO_SATA0_POWER 23
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#define NET2BIG_GPIO_SATA1_POWER 25
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static void __init net2big_sata_power_init(void)
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{
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int err;
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/* Configure GPIOs over MPP max number. */
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orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
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orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);
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err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
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if (err == 0) {
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err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
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if (err)
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gpio_free(NET2BIG_GPIO_SATA0_POWER);
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}
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if (err) {
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pr_err("net2big: failed to setup SATA0 power GPIO\n");
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return;
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}
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err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
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if (err == 0) {
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err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
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if (err)
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gpio_free(NET2BIG_GPIO_SATA1_POWER);
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}
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if (err) {
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pr_err("net2big: failed to setup SATA1 power GPIO\n");
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goto err_free_1;
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}
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err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
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if (err == 0) {
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err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
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if (err)
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gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
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}
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if (err) {
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pr_err("net2big: failed to setup SATA power request GPIO\n");
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goto err_free_2;
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}
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if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
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gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
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return;
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}
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/*
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* SATA power up on both disk is done by pulling high the CPLD power
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* request line. The 300ms delay is related to the CPLD clock and is
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* needed to be sure that the CPLD has take into account the low line
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* status.
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*/
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msleep(300);
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gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
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pr_info("net2big: power up SATA hard disks\n");
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return;
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err_free_2:
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gpio_free(NET2BIG_GPIO_SATA1_POWER);
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err_free_1:
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gpio_free(NET2BIG_GPIO_SATA0_POWER);
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return;
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}
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/*****************************************************************************
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* GPIO LEDs
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****************************************************************************/
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/*
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* The power front LEDs (blue and red) and SATA red LEDs are controlled via a
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* single GPIO line and are compatible with the leds-gpio driver.
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*
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* The SATA blue LEDs have some hardware blink capabilities which are detailed
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* in the following array:
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*
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* SATAx blue LED | SATAx activity | LED state
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* | |
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* 0 | 0 | blink (rate 300ms)
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* 1 | 0 | off
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* ? | 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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* Blue LED have priority.
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*/
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#define NET2BIG_GPIO_PWR_RED_LED 6
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#define NET2BIG_GPIO_PWR_BLUE_LED 16
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#define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7
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#define NET2BIG_GPIO_SATA0_RED_LED 11
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#define NET2BIG_GPIO_SATA1_RED_LED 10
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#define NET2BIG_GPIO_SATA0_BLUE_LED 17
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#define NET2BIG_GPIO_SATA1_BLUE_LED 13
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static struct gpio_led net2big_leds[] = {
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{
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.name = "net2big:red:power",
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.gpio = NET2BIG_GPIO_PWR_RED_LED,
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},
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{
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.name = "net2big:blue:power",
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.gpio = NET2BIG_GPIO_PWR_BLUE_LED,
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},
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{
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.name = "net2big:red:sata0",
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.gpio = NET2BIG_GPIO_SATA0_RED_LED,
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},
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{
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.name = "net2big:red:sata1",
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.gpio = NET2BIG_GPIO_SATA1_RED_LED,
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},
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};
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static struct gpio_led_platform_data net2big_led_data = {
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.num_leds = ARRAY_SIZE(net2big_leds),
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.leds = net2big_leds,
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};
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static struct platform_device net2big_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 = &net2big_led_data,
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},
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};
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static void __init net2big_gpio_leds_init(void)
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{
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int err;
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/* Stop initial CPLD slow red/blue blinking on power LED. */
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err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP,
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"Power LED blink stop");
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if (err == 0) {
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err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1);
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if (err)
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gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP);
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}
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if (err)
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pr_err("net2big: failed to setup power LED blink GPIO\n");
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/*
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* Configure SATA0 and SATA1 blue LEDs to blink in relation with the
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* hard disk activity.
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*/
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err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED,
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"SATA0 blue LED control");
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if (err == 0) {
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err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1);
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if (err)
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gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED);
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}
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if (err)
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pr_err("net2big: failed to setup SATA0 blue LED GPIO\n");
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err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED,
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"SATA1 blue LED control");
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if (err == 0) {
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err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1);
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if (err)
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gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED);
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}
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if (err)
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pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");
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platform_device_register(&net2big_gpio_leds);
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}
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/****************************************************************************
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* GPIO keys
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****************************************************************************/
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#define NET2BIG_GPIO_PUSH_BUTTON 18
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#define NET2BIG_GPIO_POWER_SWITCH_ON 8
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#define NET2BIG_GPIO_POWER_SWITCH_OFF 9
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#define NET2BIG_SWITCH_POWER_ON 0x1
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#define NET2BIG_SWITCH_POWER_OFF 0x2
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static struct gpio_keys_button net2big_buttons[] = {
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{
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.type = EV_SW,
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.code = NET2BIG_SWITCH_POWER_OFF,
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.gpio = NET2BIG_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 = NET2BIG_SWITCH_POWER_ON,
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.gpio = NET2BIG_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 = NET2BIG_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 net2big_button_data = {
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.buttons = net2big_buttons,
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.nbuttons = ARRAY_SIZE(net2big_buttons),
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};
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static struct platform_device net2big_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 = &net2big_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 unsigned int net2big_mpp_modes[] __initdata = {
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MPP0_GPIO, /* Raid mode (bit 0) */
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MPP1_GPIO, /* USB port 2 fuse (0 = Fail, 1 = Ok) */
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MPP2_GPIO, /* Raid mode (bit 1) */
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MPP3_GPIO, /* Board ID (bit 0) */
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MPP4_GPIO, /* Fan activity (0 = Off, 1 = On) */
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MPP5_GPIO, /* Fan fail detection */
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MPP6_GPIO, /* Red front LED (0 = Off, 1 = On) */
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MPP7_GPIO, /* Disable initial blinking on front LED */
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MPP8_GPIO, /* Rear power switch (on|auto) */
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MPP9_GPIO, /* Rear power switch (auto|off) */
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MPP10_GPIO, /* SATA 1 red LED (0 = Off, 1 = On) */
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MPP11_GPIO, /* SATA 0 red LED (0 = Off, 1 = On) */
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MPP12_GPIO, /* Board ID (bit 1) */
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MPP13_GPIO, /* SATA 1 blue LED blink control */
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MPP14_SATA_LED,
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MPP15_SATA_LED,
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MPP16_GPIO, /* Blue front LED control */
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MPP17_GPIO, /* SATA 0 blue LED blink control */
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MPP18_GPIO, /* Front button (0 = Released, 1 = Pushed ) */
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MPP19_GPIO, /* SATA{0,1} power On/Off request */
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0,
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/* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
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/* 23: SATA 0 power status */
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/* 24: Board power off */
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/* 25: SATA 1 power status */
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};
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#define NET2BIG_GPIO_POWER_OFF 24
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static void net2big_power_off(void)
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{
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gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
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}
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static void __init net2big_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(net2big_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_ehci1_init();
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orion5x_eth_init(&net2big_eth_data);
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orion5x_i2c_init();
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orion5x_uart0_init();
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orion5x_xor_init();
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net2big_sata_power_init();
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orion5x_sata_init(&net2big_sata_data);
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orion5x_setup_dev_boot_win(NET2BIG_NOR_BOOT_BASE,
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NET2BIG_NOR_BOOT_SIZE);
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platform_device_register(&net2big_nor_flash);
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platform_device_register(&net2big_gpio_buttons);
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net2big_gpio_leds_init();
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i2c_register_board_info(0, net2big_i2c_devices,
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ARRAY_SIZE(net2big_i2c_devices));
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orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1);
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if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 &&
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gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0)
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pm_power_off = net2big_power_off;
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else
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pr_err("net2big: failed to configure power-off GPIO\n");
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pr_notice("net2big: Flash writing is not yet supported.\n");
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}
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/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
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MACHINE_START(NET2BIG, "LaCie 2Big Network")
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.atag_offset = 0x100,
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.init_machine = net2big_init,
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.map_io = orion5x_map_io,
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.init_early = orion5x_init_early,
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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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