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435 lines
12 KiB
435 lines
12 KiB
/* |
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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 <[email protected]> |
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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 <plat/orion-gpio.h> |
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#include "common.h" |
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#include "mpp.h" |
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#include "orion5x.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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mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, |
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ORION_MBUS_DEVBUS_BOOT_ATTR, |
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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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.nr_irqs = ORION5X_NR_IRQS, |
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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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.init_time = orion5x_timer_init, |
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.fixup = tag_fixup_mem32, |
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.restart = orion5x_restart, |
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MACHINE_END |
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