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linux-next/arch/arm/mach-orion5x/lsmini-setup.c
Thomas Petazzoni 4ca2c04085 ARM: orion5x: Move to ID based window creation 
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>
2013-08-06 14:10:13 +00:00

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/*
* arch/arm/mach-orion5x/lsmini-setup.c
*
* Maintainer: Alexey Kopytko <alexey@kopytko.ru>
*
* 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 <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"
/*****************************************************************************
* Linkstation Mini Info
****************************************************************************/
/*
* 256K NOR flash Device bus boot chip select
*/
#define LSMINI_NOR_BOOT_BASE 0xf4000000
#define LSMINI_NOR_BOOT_SIZE SZ_256K
/*****************************************************************************
* 256KB NOR Flash on BOOT Device
****************************************************************************/
static struct physmap_flash_data lsmini_nor_flash_data = {
.width = 1,
};
static struct resource lsmini_nor_flash_resource = {
.flags = IORESOURCE_MEM,
.start = LSMINI_NOR_BOOT_BASE,
.end = LSMINI_NOR_BOOT_BASE + LSMINI_NOR_BOOT_SIZE - 1,
};
static struct platform_device lsmini_nor_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &lsmini_nor_flash_data,
},
.num_resources = 1,
.resource = &lsmini_nor_flash_resource,
};
/*****************************************************************************
* Ethernet
****************************************************************************/
static struct mv643xx_eth_platform_data lsmini_eth_data = {
.phy_addr = 8,
};
/*****************************************************************************
* RTC 5C372a on I2C bus
****************************************************************************/
static struct i2c_board_info __initdata lsmini_i2c_rtc = {
I2C_BOARD_INFO("rs5c372a", 0x32),
};
/*****************************************************************************
* LEDs attached to GPIO
****************************************************************************/
#define LSMINI_GPIO_LED_ALARM 2
#define LSMINI_GPIO_LED_INFO 3
#define LSMINI_GPIO_LED_FUNC 9
#define LSMINI_GPIO_LED_PWR 14
static struct gpio_led lsmini_led_pins[] = {
{
.name = "alarm:red",
.gpio = LSMINI_GPIO_LED_ALARM,
.active_low = 1,
}, {
.name = "info:amber",
.gpio = LSMINI_GPIO_LED_INFO,
.active_low = 1,
}, {
.name = "func:blue:top",
.gpio = LSMINI_GPIO_LED_FUNC,
.active_low = 1,
}, {
.name = "power:blue:bottom",
.gpio = LSMINI_GPIO_LED_PWR,
},
};
static struct gpio_led_platform_data lsmini_led_data = {
.leds = lsmini_led_pins,
.num_leds = ARRAY_SIZE(lsmini_led_pins),
};
static struct platform_device lsmini_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &lsmini_led_data,
},
};
/****************************************************************************
* GPIO Attached Keys
****************************************************************************/
#define LSMINI_GPIO_KEY_FUNC 15
#define LSMINI_GPIO_KEY_POWER 18
#define LSMINI_GPIO_KEY_AUTOPOWER 17
#define LSMINI_SW_POWER 0x00
#define LSMINI_SW_AUTOPOWER 0x01
static struct gpio_keys_button lsmini_buttons[] = {
{
.code = KEY_OPTION,
.gpio = LSMINI_GPIO_KEY_FUNC,
.desc = "Function Button",
.active_low = 1,
}, {
.type = EV_SW,
.code = LSMINI_SW_POWER,
.gpio = LSMINI_GPIO_KEY_POWER,
.desc = "Power-on Switch",
.active_low = 1,
}, {
.type = EV_SW,
.code = LSMINI_SW_AUTOPOWER,
.gpio = LSMINI_GPIO_KEY_AUTOPOWER,
.desc = "Power-auto Switch",
.active_low = 1,
},
};
static struct gpio_keys_platform_data lsmini_button_data = {
.buttons = lsmini_buttons,
.nbuttons = ARRAY_SIZE(lsmini_buttons),
};
static struct platform_device lsmini_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &lsmini_button_data,
},
};
/*****************************************************************************
* SATA
****************************************************************************/
static struct mv_sata_platform_data lsmini_sata_data = {
.n_ports = 2,
};
/*****************************************************************************
* Linkstation Mini specific power off method: reboot
****************************************************************************/
/*
* On the Linkstation Mini, the shutdown process is following:
* - Userland monitors key events until the power switch goes to off position
* - The board reboots
* - U-boot starts and goes into an idle mode waiting for the user
* to move the switch to ON position
*/
static void lsmini_power_off(void)
{
orion5x_restart(REBOOT_HARD, NULL);
}
/*****************************************************************************
* General Setup
****************************************************************************/
#define LSMINI_GPIO_USB_POWER 16
#define LSMINI_GPIO_AUTO_POWER 17
#define LSMINI_GPIO_POWER 18
#define LSMINI_GPIO_HDD_POWER0 1
#define LSMINI_GPIO_HDD_POWER1 19
static unsigned int lsmini_mpp_modes[] __initdata = {
MPP0_UNUSED, /* LED_RESERVE1 (unused) */
MPP1_GPIO, /* HDD_PWR */
MPP2_GPIO, /* LED_ALARM */
MPP3_GPIO, /* LED_INFO */
MPP4_UNUSED,
MPP5_UNUSED,
MPP6_UNUSED,
MPP7_UNUSED,
MPP8_UNUSED,
MPP9_GPIO, /* LED_FUNC */
MPP10_UNUSED,
MPP11_UNUSED, /* LED_ETH (dummy) */
MPP12_UNUSED,
MPP13_UNUSED,
MPP14_GPIO, /* LED_PWR */
MPP15_GPIO, /* FUNC */
MPP16_GPIO, /* USB_PWR */
MPP17_GPIO, /* AUTO_POWER */
MPP18_GPIO, /* POWER */
MPP19_GPIO, /* HDD_PWR1 */
0,
};
static void __init lsmini_init(void)
{
/*
* Setup basic Orion functions. Need to be called early.
*/
orion5x_init();
orion5x_mpp_conf(lsmini_mpp_modes);
/*
* Configure peripherals.
*/
orion5x_ehci0_init();
orion5x_ehci1_init();
orion5x_eth_init(&lsmini_eth_data);
orion5x_i2c_init();
orion5x_sata_init(&lsmini_sata_data);
orion5x_uart0_init();
orion5x_xor_init();
mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
ORION_MBUS_DEVBUS_BOOT_ATTR,
LSMINI_NOR_BOOT_BASE,
LSMINI_NOR_BOOT_SIZE);
platform_device_register(&lsmini_nor_flash);
platform_device_register(&lsmini_button_device);
platform_device_register(&lsmini_leds);
i2c_register_board_info(0, &lsmini_i2c_rtc, 1);
/* enable USB power */
gpio_set_value(LSMINI_GPIO_USB_POWER, 1);
/* register power-off method */
pm_power_off = lsmini_power_off;
pr_info("%s: finished\n", __func__);
}
#ifdef CONFIG_MACH_LINKSTATION_MINI
MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini")
/* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */
.atag_offset = 0x100,
.init_machine = lsmini_init,
.map_io = orion5x_map_io,
.init_early = orion5x_init_early,
.init_irq = orion5x_init_irq,
.init_time = orion5x_timer_init,
.fixup = tag_fixup_mem32,
.restart = orion5x_restart,
MACHINE_END
#endif
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