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[ARM] Orion: Add Buffalo Linkstation Mini support
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This patch adds support for Buffalo Linkstation Mini board.

Signed-off-by: Alexey Kopytko <alexey@kopytko.ru>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Alexey Kopytko authored and Nicolas Pitre committed Sep 25, 2008
1 parent 4360bb4 commit 7b0a26f
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1 change: 1 addition & 0 deletions arch/arm/configs/orion5x_defconfig
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Expand Up @@ -166,6 +166,7 @@ CONFIG_MACH_KUROBOX_PRO=y
CONFIG_MACH_DNS323=y
CONFIG_MACH_TS209=y
CONFIG_MACH_LINKSTATION_PRO=y
CONFIG_MACH_LINKSTATION_MINI=y
CONFIG_MACH_TS409=y
CONFIG_MACH_WRT350N_V2=y
CONFIG_MACH_TS78XX=y
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7 changes: 7 additions & 0 deletions arch/arm/mach-orion5x/Kconfig
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Expand Up @@ -50,6 +50,13 @@ config MACH_LINKSTATION_PRO
Buffalo Linkstation Pro/Live platform. Both v1 and
v2 devices are supported.

config MACH_LINKSTATION_MINI
bool "Buffalo Linkstation Mini"
select I2C_BOARDINFO
help
Say 'Y' here if you want your kernel to support the
Buffalo Linkstation Mini platform.

config MACH_TS409
bool "QNAP TS-409"
help
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1 change: 1 addition & 0 deletions arch/arm/mach-orion5x/Makefile
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Expand Up @@ -4,6 +4,7 @@ obj-$(CONFIG_MACH_RD88F5182) += rd88f5182-setup.o
obj-$(CONFIG_MACH_KUROBOX_PRO) += kurobox_pro-setup.o
obj-$(CONFIG_MACH_TERASTATION_PRO2) += terastation_pro2-setup.o
obj-$(CONFIG_MACH_LINKSTATION_PRO) += kurobox_pro-setup.o
obj-$(CONFIG_MACH_LINKSTATION_MINI) += lsmini-setup.o
obj-$(CONFIG_MACH_DNS323) += dns323-setup.o
obj-$(CONFIG_MACH_TS209) += ts209-setup.o tsx09-common.o
obj-$(CONFIG_MACH_TS409) += ts409-setup.o tsx09-common.o
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259 changes: 259 additions & 0 deletions arch/arm/mach-orion5x/lsmini-setup.c
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@@ -0,0 +1,259 @@
/*
* 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/pci.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 <asm/mach-types.h>
#include <linux/gpio.h>
#include <asm/mach/arch.h>
#include "common.h"
#include "mpp.h"
#include "include/mach/system.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,
};


/*****************************************************************************
* 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 struct orion5x_mpp_mode lsmini_mpp_modes[] __initdata = {
{ 0, MPP_UNUSED }, /* LED_RESERVE1 (unused) */
{ 1, MPP_GPIO }, /* HDD_PWR */
{ 2, MPP_GPIO }, /* LED_ALARM */
{ 3, MPP_GPIO }, /* LED_INFO */
{ 4, MPP_UNUSED },
{ 5, MPP_UNUSED },
{ 6, MPP_UNUSED },
{ 7, MPP_UNUSED },
{ 8, MPP_UNUSED },
{ 9, MPP_GPIO }, /* LED_FUNC */
{ 10, MPP_UNUSED },
{ 11, MPP_UNUSED }, /* LED_ETH (dummy) */
{ 12, MPP_UNUSED },
{ 13, MPP_UNUSED },
{ 14, MPP_GPIO }, /* LED_PWR */
{ 15, MPP_GPIO }, /* FUNC */
{ 16, MPP_GPIO }, /* USB_PWR */
{ 17, MPP_GPIO }, /* AUTO_POWER */
{ 18, MPP_GPIO }, /* POWER */
{ 19, MPP_GPIO }, /* HDD_PWR1 */
{ -1 },
};

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();

orion5x_setup_dev_boot_win(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);

pr_info("%s: finished\n", __func__);
}

#ifdef CONFIG_MACH_LINKSTATION_MINI
MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini")
/* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */
.phys_io = ORION5X_REGS_PHYS_BASE,
.io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
.boot_params = 0x00000100,
.init_machine = lsmini_init,
.map_io = orion5x_map_io,
.init_irq = orion5x_init_irq,
.timer = &orion5x_timer,
.fixup = tag_fixup_mem32,
MACHINE_END
#endif

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