123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243 |
- /*
- * arch/arm/mach-orion5x/net2big-setup.c
- *
- * LaCie 2Big Network NAS setup
- *
- * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
- #include <linux/kernel.h>
- #include <linux/init.h>
- #include <linux/platform_device.h>
- #include <linux/mtd/physmap.h>
- #include <linux/mv643xx_eth.h>
- #include <linux/leds.h>
- #include <linux/gpio_keys.h>
- #include <linux/input.h>
- #include <linux/i2c.h>
- #include <linux/ata_platform.h>
- #include <linux/gpio.h>
- #include <linux/delay.h>
- #include <asm/mach-types.h>
- #include <asm/mach/arch.h>
- #include <mach/orion5x.h>
- #include <plat/orion-gpio.h>
- #include "common.h"
- #include "mpp.h"
- /*****************************************************************************
- * LaCie 2Big Network Info
- ****************************************************************************/
- /*
- * 512KB NOR flash Device bus boot chip select
- */
- #define NET2BIG_NOR_BOOT_BASE 0xfff80000
- #define NET2BIG_NOR_BOOT_SIZE SZ_512K
- /*****************************************************************************
- * 512KB NOR Flash on Boot Device
- ****************************************************************************/
- /*
- * TODO: Check write support on flash MX29LV400CBTC-70G
- */
- static struct mtd_partition net2big_partitions[] = {
- {
- .name = "Full512kb",
- .size = MTDPART_SIZ_FULL,
- .offset = 0x00000000,
- .mask_flags = MTD_WRITEABLE,
- },
- };
- static struct physmap_flash_data net2big_nor_flash_data = {
- .width = 1,
- .parts = net2big_partitions,
- .nr_parts = ARRAY_SIZE(net2big_partitions),
- };
- static struct resource net2big_nor_flash_resource = {
- .flags = IORESOURCE_MEM,
- .start = NET2BIG_NOR_BOOT_BASE,
- .end = NET2BIG_NOR_BOOT_BASE
- + NET2BIG_NOR_BOOT_SIZE - 1,
- };
- static struct platform_device net2big_nor_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &net2big_nor_flash_data,
- },
- .num_resources = 1,
- .resource = &net2big_nor_flash_resource,
- };
- /*****************************************************************************
- * Ethernet
- ****************************************************************************/
- static struct mv643xx_eth_platform_data net2big_eth_data = {
- .phy_addr = MV643XX_ETH_PHY_ADDR(8),
- };
- /*****************************************************************************
- * I2C devices
- ****************************************************************************/
- /*
- * i2c addr | chip | description
- * 0x32 | Ricoh 5C372b | RTC
- * 0x50 | HT24LC08 | eeprom (1kB)
- */
- static struct i2c_board_info __initdata net2big_i2c_devices[] = {
- {
- I2C_BOARD_INFO("rs5c372b", 0x32),
- }, {
- I2C_BOARD_INFO("24c08", 0x50),
- },
- };
- /*****************************************************************************
- * SATA
- ****************************************************************************/
- static struct mv_sata_platform_data net2big_sata_data = {
- .n_ports = 2,
- };
- #define NET2BIG_GPIO_SATA_POWER_REQ 19
- #define NET2BIG_GPIO_SATA0_POWER 23
- #define NET2BIG_GPIO_SATA1_POWER 25
- static void __init net2big_sata_power_init(void)
- {
- int err;
- /* Configure GPIOs over MPP max number. */
- orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
- orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);
- err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
- if (err == 0) {
- err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
- if (err)
- gpio_free(NET2BIG_GPIO_SATA0_POWER);
- }
- if (err) {
- pr_err("net2big: failed to setup SATA0 power GPIO\n");
- return;
- }
- err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
- if (err == 0) {
- err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
- if (err)
- gpio_free(NET2BIG_GPIO_SATA1_POWER);
- }
- if (err) {
- pr_err("net2big: failed to setup SATA1 power GPIO\n");
- goto err_free_1;
- }
- err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
- if (err == 0) {
- err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
- if (err)
- gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
- }
- if (err) {
- pr_err("net2big: failed to setup SATA power request GPIO\n");
- goto err_free_2;
- }
- if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
- gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
- return;
- }
- /*
- * SATA power up on both disk is done by pulling high the CPLD power
- * request line. The 300ms delay is related to the CPLD clock and is
- * needed to be sure that the CPLD has take into account the low line
- * status.
- */
- msleep(300);
- gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
- pr_info("net2big: power up SATA hard disks\n");
- return;
- err_free_2:
- gpio_free(NET2BIG_GPIO_SATA1_POWER);
- err_free_1:
- gpio_free(NET2BIG_GPIO_SATA0_POWER);
- return;
- }
- /*****************************************************************************
- * GPIO LEDs
- ****************************************************************************/
- /*
- * The power front LEDs (blue and red) and SATA red LEDs are controlled via a
- * single GPIO line and are compatible with the leds-gpio driver.
- *
- * The SATA blue LEDs have some hardware blink capabilities which are detailed
- * in the following array:
- *
- * SATAx blue LED | SATAx activity | LED state
- * | |
- * 0 | 0 | blink (rate 300ms)
- * 1 | 0 | off
- * ? | 1 | on
- *
- * Notes: The blue and the red front LED's can't be on at the same time.
- * Blue LED have priority.
- */
- #define NET2BIG_GPIO_PWR_RED_LED 6
- #define NET2BIG_GPIO_PWR_BLUE_LED 16
- #define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7
- #define NET2BIG_GPIO_SATA0_RED_LED 11
- #define NET2BIG_GPIO_SATA1_RED_LED 10
- #define NET2BIG_GPIO_SATA0_BLUE_LED 17
- #define NET2BIG_GPIO_SATA1_BLUE_LED 13
- static struct gpio_led net2big_leds[] = {
- {
- .name = "net2big:red:power",
- .gpio = NET2BIG_GPIO_PWR_RED_LED,
- },
- {
- .name = "net2big:blue:power",
- .gpio = NET2BIG_GPIO_PWR_BLUE_LED,
- },
- {
- .name = "net2big:red:sata0",
- .gpio = NET2BIG_GPIO_SATA0_RED_LED,
- },
- {
- .name = "net2big:red:sata1",
- .gpio = NET2BIG_GPIO_SATA1_RED_LED,
- },
- };
- static struct gpio_led_platform_data net2big_led_data = {
- .num_leds = ARRAY_SIZE(net2big_leds),
- .leds = net2big_leds,
- };
- static struct platform_device net2big_gpio_leds = {
- .name = "leds-gpio",
- .id = -1,
|