Add support for the Buffalo Linkstation XHL. This NAS box is based on a Marvell Kirkwood chip at 1.2 GHz and features 256 MB RAM, 512kb SPI boot flash, gigabit ethernet and one SATA port.
Signed-off-by: Michael Walle <[email protected]> --- arch/arm/configs/kirkwood_defconfig | 1 + arch/arm/mach-kirkwood/Kconfig | 6 + arch/arm/mach-kirkwood/Makefile | 1 + arch/arm/mach-kirkwood/lsxhl-setup.c | 313 ++++++++++++++++++++++++++++++++++ arch/arm/tools/mach-types | 1 + 5 files changed, 322 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-kirkwood/lsxhl-setup.c diff --git a/arch/arm/configs/kirkwood_defconfig b/arch/arm/configs/kirkwood_defconfig index aeb3af5..9f77811 100644 --- a/arch/arm/configs/kirkwood_defconfig +++ b/arch/arm/configs/kirkwood_defconfig @@ -28,6 +28,7 @@ CONFIG_MACH_D2NET_V2=y CONFIG_MACH_NET2BIG_V2=y CONFIG_MACH_NET5BIG_V2=y CONFIG_MACH_T5325=y +CONFIG_MACH_LSXHL=y # CONFIG_CPU_FEROCEON_OLD_ID is not set CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 7fc603b..307cc99 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -130,6 +130,12 @@ config MACH_T5325 Say 'Y' here if you want your kernel to support the HP t5325 Thin Client. +config MACH_LSXHL + bool "Buffalo LS-XHL Series" + help + Say 'Y' here if you want your kernel to support the + Buffalo LS-XHL Series. + endmenu endif diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index 5dcaa81..221980b 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -18,5 +18,6 @@ obj-$(CONFIG_MACH_D2NET_V2) += d2net_v2-setup.o lacie_v2-common.o obj-$(CONFIG_MACH_NET2BIG_V2) += netxbig_v2-setup.o lacie_v2-common.o obj-$(CONFIG_MACH_NET5BIG_V2) += netxbig_v2-setup.o lacie_v2-common.o obj-$(CONFIG_MACH_T5325) += t5325-setup.o +obj-$(CONFIG_MACH_LSXHL) += lsxhl-setup.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o diff --git a/arch/arm/mach-kirkwood/lsxhl-setup.c b/arch/arm/mach-kirkwood/lsxhl-setup.c new file mode 100644 index 0000000..47318ef --- /dev/null +++ b/arch/arm/mach-kirkwood/lsxhl-setup.c @@ -0,0 +1,313 @@ +/* + * arch/arm/mach-kirkwood/lsxhl-setup.c + * + * Buffalo LS-XHL Series Setup + * + * 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/ata_platform.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/mv643xx_eth.h> +#include <linux/gpio.h> +#include <linux/gpio_keys.h> +#include <linux/gpio-fan.h> +#include <linux/input.h> +#include <linux/leds.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include <plat/mvsdio.h> +#include "common.h" +#include "mpp.h" + +/***************************************************************************** + * 512KB SPI Flash on BOOT Device + ****************************************************************************/ +static struct mtd_partition lsxhl_partitions[] = { + { + .name = "u-boot", + .size = 0x70000, + .offset = 0x00000, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "u-boot env", + .size = 0x10000, + .offset = 0x70000, + } +}; + +static struct flash_platform_data lsxhl_spi_slave_data = { + .type = "m25p40", + .parts = lsxhl_partitions, + .nr_parts = ARRAY_SIZE(lsxhl_partitions), +}; + +static struct spi_board_info __initdata lsxhl_spi_slave_info[] = { + { + .modalias = "m25p80", + .platform_data = &lsxhl_spi_slave_data, + .irq = -1, + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + } +}; + +/***************************************************************************** + * Ethernet + ****************************************************************************/ +static struct mv643xx_eth_platform_data lsxhl_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(0), +}; + +static struct mv643xx_eth_platform_data lsxhl_ge01_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +/***************************************************************************** + * SATA + ****************************************************************************/ +static struct mv_sata_platform_data lsxhl_sata_data = { + .n_ports = 1, +}; + +/***************************************************************************** + * LEDs attached to GPIO + ****************************************************************************/ +#define LSXHL_GPIO_LED_ALARM 37 +#define LSXHL_GPIO_LED_INFO 38 +#define LSXHL_GPIO_LED_PWR 39 +#define LSXHL_GPIO_LED_FUNC_BLUE 36 +#define LSXHL_GPIO_LED_FUNC_RED 48 + +static struct gpio_led lsxhl_led_pins[] = { + { + .name = "alarm:red", + .gpio = LSXHL_GPIO_LED_ALARM, + .active_low = 1, + }, + { + .name = "info:amber", + .gpio = LSXHL_GPIO_LED_INFO, + .active_low = 1, + }, + { + .name = "power:blue", + .default_trigger = "default-on", + .gpio = LSXHL_GPIO_LED_PWR, + .active_low = 1, + }, + { + .name = "func:blue:bottom", + .gpio = LSXHL_GPIO_LED_FUNC_BLUE, + .active_low = 1, + }, + { + .name = "func:red:bottom", + .gpio = LSXHL_GPIO_LED_FUNC_RED, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data lsxhl_led_data = { + .leds = lsxhl_led_pins, + .num_leds = ARRAY_SIZE(lsxhl_led_pins), +}; + +static struct platform_device lsxhl_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &lsxhl_led_data, + } +}; + +/***************************************************************************** + * General Setup + ****************************************************************************/ +#define LSXHL_GPIO_HDD_POWER 10 +#define LSXHL_GPIO_USB_POWER 11 + +/***************************************************************************** + * GPIO Attached Keys + ****************************************************************************/ +#define LSXHL_GPIO_KEY_FUNC 41 +#define LSXHL_GPIO_KEY_AUTOPOWER 42 +#define LSXHL_GPIO_KEY_POWER 43 +#define LSXHL_SW_POWER 0x00 +#define LSXHL_SW_AUTOPOWER 0x01 +#define LSXHL_SW_FUNC 0x02 + +static struct gpio_keys_button lsxhl_buttons[] = { + { + .type = EV_SW, + .code = LSXHL_SW_POWER, + .gpio = LSXHL_GPIO_KEY_POWER, + .desc = "Power-on Switch", + .active_low = 1, + }, { + .type = EV_SW, + .code = LSXHL_SW_AUTOPOWER, + .gpio = LSXHL_GPIO_KEY_AUTOPOWER, + .desc = "Power-auto Switch", + .active_low = 1, + }, { + .type = EV_SW, + .code = LSXHL_SW_POWER, + .gpio = LSXHL_GPIO_KEY_FUNC, + .desc = "Function Button", + .active_low = 1, + }, +}; + +static struct gpio_keys_platform_data lsxhl_button_data = { + .buttons = lsxhl_buttons, + .nbuttons = ARRAY_SIZE(lsxhl_buttons), +}; + +static struct platform_device lsxhl_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &lsxhl_button_data, + }, +}; + +/***************************************************************************** + * GPIO Fan + ****************************************************************************/ +#define LSXHL_GPIO_FAN_HIGH 18 +#define LSXHL_GPIO_FAN_LOW 19 +#define LSXHL_GPIO_FAN_LOCK 40 + +static struct gpio_fan_alarm lsxhl_alarm = { + .gpio = LSXHL_GPIO_FAN_LOCK, +}; + +static struct gpio_fan_speed lsxhl_speeds[] = { + { + .rpm = 0, + .ctrl_val = 3, + }, { + .rpm = 1500, + .ctrl_val = 2, + }, { + .rpm = 3250, + .ctrl_val = 1, + }, { + .rpm = 5000, + .ctrl_val = 0, + } +}; + +static int lsxhl_gpio_list[] = { + LSXHL_GPIO_FAN_HIGH, LSXHL_GPIO_FAN_LOW, +}; + +static struct gpio_fan_platform_data lsxhl_fan_data = { + .num_ctrl = ARRAY_SIZE(lsxhl_gpio_list), + .ctrl = lsxhl_gpio_list, + .alarm = &lsxhl_alarm, + .num_speed = ARRAY_SIZE(lsxhl_speeds), + .speed = lsxhl_speeds, +}; + +static struct platform_device lsxhl_fan_device = { + .name = "gpio-fan", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &lsxhl_fan_data, + }, +}; + +/***************************************************************************** + * GPIO Data + ****************************************************************************/ + +static unsigned int lsxhl_mpp_config[] __initdata = { + MPP10_GPO, /* HDD Power Enable */ + MPP11_GPIO, /* USB Vbus Enable */ + MPP18_GPO, /* FAN High Enable# */ + MPP19_GPO, /* FAN Low Enable# */ + MPP36_GPIO, /* Function Blue LED */ + MPP37_GPIO, /* Alarm LED */ + MPP38_GPIO, /* Info LED */ + MPP39_GPIO, /* Power LED */ + MPP40_GPIO, /* Fan Lock */ + MPP41_GPIO, /* Function Button */ + MPP42_GPIO, /* Power Switch */ + MPP43_GPIO, /* Power Auto Switch */ + MPP48_GPIO, /* Function Red LED */ + 0 +}; + +/***************************************************************************** + * LS-XHL specific power off method: reboot + ****************************************************************************/ +/* + * On the LS-XHL, 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 lsxhl_power_off(void) +{ + arm_machine_restart('h', NULL); +} + +static void __init lsxhl_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_init(); + kirkwood_mpp_conf(lsxhl_mpp_config); + + /* + * Configure peripherals. + */ + kirkwood_uart0_init(); + kirkwood_ehci_init(); + kirkwood_ge00_init(&lsxhl_ge00_data); + kirkwood_ge01_init(&lsxhl_ge01_data); + kirkwood_sata_init(&lsxhl_sata_data); + kirkwood_spi_init(); + + platform_device_register(&lsxhl_leds); + platform_device_register(&lsxhl_button_device); + platform_device_register(&lsxhl_fan_device); + + spi_register_board_info(lsxhl_spi_slave_info, + ARRAY_SIZE(lsxhl_spi_slave_info)); + + /* usb power on */ + gpio_set_value(LSXHL_GPIO_USB_POWER, 1); + + /* register power-off method */ + pm_power_off = lsxhl_power_off; + + pr_info("%s: finished\n", __func__); +} + +MACHINE_START(LSXHL, "Buffalo LS-XHL Series") + .boot_params = 0x00000100, + .init_machine = lsxhl_init, + .map_io = kirkwood_map_io, + .init_early = kirkwood_init_early, + .init_irq = kirkwood_init_irq, + .timer = &kirkwood_timer, +MACHINE_END diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index 3b3776d..8acc587 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -448,6 +448,7 @@ mityomapl138 MACH_MITYOMAPL138 MITYOMAPL138 2650 guruplug MACH_GURUPLUG GURUPLUG 2659 spear310 MACH_SPEAR310 SPEAR310 2660 spear320 MACH_SPEAR320 SPEAR320 2661 +lsxhl MACH_LSXHL LSXHL 2663 aquila MACH_AQUILA AQUILA 2676 sheeva_esata MACH_ESATA_SHEEVAPLUG ESATA_SHEEVAPLUG 2678 msm7x30_surf MACH_MSM7X30_SURF MSM7X30_SURF 2679 -- 1.7.2.3 _______________________________________________ http://lists.milkymist.org/listinfo.cgi/devel-milkymist.org IRC: #milkymist@Freenode Twitter: www.twitter.com/milkymistvj Ideas? http://milkymist.uservoice.com
