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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4ca2c04085
With the introduction of the ID based MBus API, it's better to switch to use it instead of the current name based scheme. This will allow to deprecate the name based API, once every user is removed. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
278 lines
7.1 KiB
C
278 lines
7.1 KiB
C
/*
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* arch/arm/mach-orion5x/ls_hgl-setup.c
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*
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* Maintainer: Zhu Qingsen <zhuqs@cn.fujitsu.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 <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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* Linkstation LS-HGL Info
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****************************************************************************/
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/*
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* 256K NOR flash Device bus boot chip select
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*/
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#define LS_HGL_NOR_BOOT_BASE 0xf4000000
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#define LS_HGL_NOR_BOOT_SIZE SZ_256K
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/*****************************************************************************
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* 256KB NOR Flash on BOOT Device
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****************************************************************************/
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static struct physmap_flash_data ls_hgl_nor_flash_data = {
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.width = 1,
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};
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static struct resource ls_hgl_nor_flash_resource = {
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.flags = IORESOURCE_MEM,
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.start = LS_HGL_NOR_BOOT_BASE,
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.end = LS_HGL_NOR_BOOT_BASE + LS_HGL_NOR_BOOT_SIZE - 1,
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};
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static struct platform_device ls_hgl_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 = &ls_hgl_nor_flash_data,
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},
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.num_resources = 1,
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.resource = &ls_hgl_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 ls_hgl_eth_data = {
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.phy_addr = 8,
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};
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/*****************************************************************************
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* RTC 5C372a on I2C bus
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****************************************************************************/
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static struct i2c_board_info __initdata ls_hgl_i2c_rtc = {
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I2C_BOARD_INFO("rs5c372a", 0x32),
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};
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/*****************************************************************************
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* LEDs attached to GPIO
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****************************************************************************/
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#define LS_HGL_GPIO_LED_ALARM 2
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#define LS_HGL_GPIO_LED_INFO 3
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#define LS_HGL_GPIO_LED_FUNC 17
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#define LS_HGL_GPIO_LED_PWR 0
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static struct gpio_led ls_hgl_led_pins[] = {
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{
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.name = "alarm:red",
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.gpio = LS_HGL_GPIO_LED_ALARM,
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.active_low = 1,
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}, {
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.name = "info:amber",
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.gpio = LS_HGL_GPIO_LED_INFO,
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.active_low = 1,
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}, {
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.name = "func:blue:top",
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.gpio = LS_HGL_GPIO_LED_FUNC,
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.active_low = 1,
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}, {
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.name = "power:blue:bottom",
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.gpio = LS_HGL_GPIO_LED_PWR,
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},
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};
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static struct gpio_led_platform_data ls_hgl_led_data = {
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.leds = ls_hgl_led_pins,
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.num_leds = ARRAY_SIZE(ls_hgl_led_pins),
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};
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static struct platform_device ls_hgl_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 = &ls_hgl_led_data,
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},
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};
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/****************************************************************************
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* GPIO Attached Keys
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****************************************************************************/
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#define LS_HGL_GPIO_KEY_FUNC 15
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#define LS_HGL_GPIO_KEY_POWER 8
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#define LS_HGL_GPIO_KEY_AUTOPOWER 10
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#define LS_HGL_SW_POWER 0x00
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#define LS_HGL_SW_AUTOPOWER 0x01
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static struct gpio_keys_button ls_hgl_buttons[] = {
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{
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.code = KEY_OPTION,
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.gpio = LS_HGL_GPIO_KEY_FUNC,
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.desc = "Function Button",
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.active_low = 1,
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}, {
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.type = EV_SW,
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.code = LS_HGL_SW_POWER,
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.gpio = LS_HGL_GPIO_KEY_POWER,
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.desc = "Power-on Switch",
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.active_low = 1,
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}, {
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.type = EV_SW,
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.code = LS_HGL_SW_AUTOPOWER,
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.gpio = LS_HGL_GPIO_KEY_AUTOPOWER,
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.desc = "Power-auto Switch",
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.active_low = 1,
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},
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};
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static struct gpio_keys_platform_data ls_hgl_button_data = {
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.buttons = ls_hgl_buttons,
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.nbuttons = ARRAY_SIZE(ls_hgl_buttons),
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};
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static struct platform_device ls_hgl_button_device = {
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.name = "gpio-keys",
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.id = -1,
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.num_resources = 0,
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.dev = {
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.platform_data = &ls_hgl_button_data,
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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 ls_hgl_sata_data = {
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.n_ports = 2,
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};
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/*****************************************************************************
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* Linkstation LS-HGL specific power off method: reboot
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****************************************************************************/
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/*
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* On the Linkstation LS-HGL, the shutdown process is following:
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* - Userland monitors key events until the power switch goes to off position
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* - The board reboots
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* - U-boot starts and goes into an idle mode waiting for the user
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* to move the switch to ON position
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*/
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static void ls_hgl_power_off(void)
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{
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orion5x_restart(REBOOT_HARD, NULL);
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}
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/*****************************************************************************
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* General Setup
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****************************************************************************/
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#define LS_HGL_GPIO_USB_POWER 9
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#define LS_HGL_GPIO_AUTO_POWER 10
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#define LS_HGL_GPIO_POWER 8
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#define LS_HGL_GPIO_HDD_POWER 1
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static unsigned int ls_hgl_mpp_modes[] __initdata = {
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MPP0_GPIO, /* LED_PWR */
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MPP1_GPIO, /* HDD_PWR */
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MPP2_GPIO, /* LED_ALARM */
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MPP3_GPIO, /* LED_INFO */
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MPP4_UNUSED,
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MPP5_UNUSED,
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MPP6_GPIO, /* FAN_LCK */
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MPP7_GPIO, /* INIT */
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MPP8_GPIO, /* POWER */
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MPP9_GPIO, /* USB_PWR */
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MPP10_GPIO, /* AUTO_POWER */
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MPP11_UNUSED, /* LED_ETH (dummy) */
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MPP12_UNUSED,
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MPP13_UNUSED,
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MPP14_UNUSED,
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MPP15_GPIO, /* FUNC */
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MPP16_UNUSED,
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MPP17_GPIO, /* LED_FUNC */
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MPP18_UNUSED,
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MPP19_UNUSED,
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0,
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};
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static void __init ls_hgl_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(ls_hgl_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(&ls_hgl_eth_data);
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orion5x_i2c_init();
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orion5x_sata_init(&ls_hgl_sata_data);
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orion5x_uart0_init();
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orion5x_xor_init();
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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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LS_HGL_NOR_BOOT_BASE,
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LS_HGL_NOR_BOOT_SIZE);
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platform_device_register(&ls_hgl_nor_flash);
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platform_device_register(&ls_hgl_button_device);
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platform_device_register(&ls_hgl_leds);
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i2c_register_board_info(0, &ls_hgl_i2c_rtc, 1);
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/* enable USB power */
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gpio_set_value(LS_HGL_GPIO_USB_POWER, 1);
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/* register power-off method */
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pm_power_off = ls_hgl_power_off;
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pr_info("%s: finished\n", __func__);
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}
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MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL")
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/* Maintainer: Zhu Qingsen <zhuqs@cn.fujistu.com> */
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.atag_offset = 0x100,
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.init_machine = ls_hgl_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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