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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-orion5x/lsmini-setup.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-orion5x/lsmini-setup.c')
-rw-r--r--arch/arm/mach-orion5x/lsmini-setup.c279
1 files changed, 279 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/lsmini-setup.c b/arch/arm/mach-orion5x/lsmini-setup.c
new file mode 100644
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+++ b/arch/arm/mach-orion5x/lsmini-setup.c
@@ -0,0 +1,279 @@
+/*
+ * 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 <asm/system.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('h', 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();
+
+ 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);
+
+ /* 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,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+ .restart = orion5x_restart,
+MACHINE_END
+#endif