[ARM] orion5x: Add LaCie NAS 2Big Network support

This patch add support for the 2Big Network LaCie boards.

Signed-off-by: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

3 files changed, 439 insertions, 0 deletions

diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 5062b05b76b7..c3d513cad5ac 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -103,6 +103,13 @@ config MACH_BIGDISK
           Say 'Y' here if you want your kernel to support the
           LaCie Big Disk Network NAS.
 
+config MACH_NET2BIG
+        bool "LaCie 2Big Network"
+        select I2C_BOARDINFO
+        help
+          Say 'Y' here if you want your kernel to support the
+          LaCie 2Big Network NAS.
+
 config MACH_MSS2
         bool "Maxtor Shared Storage II"
         help
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index 1db8a3a2708a..89772fcd65c7 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_MACH_MV2120)	+= mv2120-setup.o
 obj-$(CONFIG_MACH_EDMINI_V2)    += edmini_v2-setup.o
 obj-$(CONFIG_MACH_D2NET)        += d2net-setup.o
 obj-$(CONFIG_MACH_BIGDISK)      += d2net-setup.o
+obj-$(CONFIG_MACH_NET2BIG)      += net2big-setup.o
 obj-$(CONFIG_MACH_MSS2)         += mss2-setup.o
 obj-$(CONFIG_MACH_WNR854T)      += wnr854t-setup.o
 obj-$(CONFIG_MACH_RD88F5181L_GE)        += rd88f5181l-ge-setup.o
diff --git a/arch/arm/mach-orion5x/net2big-setup.c b/arch/arm/mach-orion5x/net2big-setup.c
new file mode 100644
index 000000000000..7bd6283476f9
--- /dev/null
+++ b/arch/arm/mach-orion5x/net2big-setup.c
@@ -0,0 +1,431 @@
+/*
+ * arch/arm/mach-orion5x/net2big-setup.c
+ *
+ * LaCie 2Big Network NAS setup
+ *
+ * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
+ *
+ * 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 <linux/delay.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * LaCie 2Big Network Info
+ ****************************************************************************/
+
+/*
+ * 512KB NOR flash Device bus boot chip select
+ */
+
+#define NET2BIG_NOR_BOOT_BASE           0xfff80000
+#define NET2BIG_NOR_BOOT_SIZE           SZ_512K
+
+/*****************************************************************************
+ * 512KB NOR Flash on Boot Device
+ ****************************************************************************/
+
+/*
+ * TODO: Check write support on flash MX29LV400CBTC-70G
+ */
+
+static struct mtd_partition net2big_partitions[] = {
+        {
+                .name           = "Full512kb",
+                .size           = MTDPART_SIZ_FULL,
+                .offset         = 0x00000000,
+                .mask_flags     = MTD_WRITEABLE,
+        },
+};
+
+static struct physmap_flash_data net2big_nor_flash_data = {
+        .width          = 1,
+        .parts          = net2big_partitions,
+        .nr_parts       = ARRAY_SIZE(net2big_partitions),
+};
+
+static struct resource net2big_nor_flash_resource = {
+        .flags                  = IORESOURCE_MEM,
+        .start                  = NET2BIG_NOR_BOOT_BASE,
+        .end                    = NET2BIG_NOR_BOOT_BASE
+                                        + NET2BIG_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device net2big_nor_flash = {
+        .name                   = "physmap-flash",
+        .id                     = 0,
+        .dev            = {
+                .platform_data  = &net2big_nor_flash_data,
+        },
+        .num_resources          = 1,
+        .resource               = &net2big_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data net2big_eth_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
+};
+
+/*****************************************************************************
+ * I2C devices
+ ****************************************************************************/
+
+/*
+ * i2c addr | chip         | description
+ * 0x32     | Ricoh 5C372b | RTC
+ * 0x50     | HT24LC08     | eeprom (1kB)
+ */
+static struct i2c_board_info __initdata net2big_i2c_devices[] = {
+        {
+                I2C_BOARD_INFO("rs5c372b", 0x32),
+        }, {
+                I2C_BOARD_INFO("24c08", 0x50),
+        },
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+
+static struct mv_sata_platform_data net2big_sata_data = {
+        .n_ports        = 2,
+};
+
+#define NET2BIG_GPIO_SATA_POWER_REQ     19
+#define NET2BIG_GPIO_SATA0_POWER        23
+#define NET2BIG_GPIO_SATA1_POWER        25
+
+static void __init net2big_sata_power_init(void)
+{
+        int err;
+
+        /* Configure GPIOs over MPP max number. */
+        orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
+        orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);
+
+        err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
+        if (err == 0) {
+                err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
+                if (err)
+                        gpio_free(NET2BIG_GPIO_SATA0_POWER);
+        }
+        if (err) {
+                pr_err("net2big: failed to setup SATA0 power GPIO\n");
+                return;
+        }
+
+        err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
+        if (err == 0) {
+                err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
+                if (err)
+                        gpio_free(NET2BIG_GPIO_SATA1_POWER);
+        }
+        if (err) {
+                pr_err("net2big: failed to setup SATA1 power GPIO\n");
+                goto err_free_1;
+        }
+
+        err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
+        if (err == 0) {
+                err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
+                if (err)
+                        gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
+        }
+        if (err) {
+                pr_err("net2big: failed to setup SATA power request GPIO\n");
+                goto err_free_2;
+        }
+
+        if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
+                gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
+                return;
+        }
+
+        /*
+         * SATA power up on both disk is done by pulling high the CPLD power
+         * request line. The 300ms delay is related to the CPLD clock and is
+         * needed to be sure that the CPLD has take into account the low line
+         * status.
+         */
+        msleep(300);
+        gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
+        pr_info("net2big: power up SATA hard disks\n");
+
+        return;
+
+err_free_2:
+        gpio_free(NET2BIG_GPIO_SATA1_POWER);
+err_free_1:
+        gpio_free(NET2BIG_GPIO_SATA0_POWER);
+
+        return;
+}
+
+/*****************************************************************************
+ * GPIO LEDs
+ ****************************************************************************/
+
+/*
+ * The power front LEDs (blue and red) and SATA red LEDs are controlled via a
+ * single GPIO line and are compatible with the leds-gpio driver.
+ *
+ * The SATA blue LEDs have some hardware blink capabilities which are detailled
+ * in the following array:
+ *
+ * SATAx blue LED | SATAx activity | LED state
+ *                |                |
+ *       0        |       0        |  blink (rate 300ms)
+ *       1        |       0        |  off
+ *       ?        |       1        |  on
+ *
+ * Notes: The blue and the red front LED's can't be on at the same time.
+ *        Blue LED have priority.
+ */
+
+#define NET2BIG_GPIO_PWR_RED_LED        6
+#define NET2BIG_GPIO_PWR_BLUE_LED       16
+#define NET2BIG_GPIO_PWR_LED_BLINK_STOP 7
+
+#define NET2BIG_GPIO_SATA0_RED_LED      11
+#define NET2BIG_GPIO_SATA1_RED_LED      10
+
+#define NET2BIG_GPIO_SATA0_BLUE_LED     17
+#define NET2BIG_GPIO_SATA1_BLUE_LED     13
+
+static struct gpio_led net2big_leds[] = {
+        {
+                .name = "net2big:red:power",
+                .gpio = NET2BIG_GPIO_PWR_RED_LED,
+        },
+        {
+                .name = "net2big:blue:power",
+                .gpio = NET2BIG_GPIO_PWR_BLUE_LED,
+        },
+        {
+                .name = "net2big:red:sata0",
+                .gpio = NET2BIG_GPIO_SATA0_RED_LED,
+        },
+        {
+                .name = "net2big:red:sata1",
+                .gpio = NET2BIG_GPIO_SATA1_RED_LED,
+        },
+};
+
+static struct gpio_led_platform_data net2big_led_data = {
+        .num_leds = ARRAY_SIZE(net2big_leds),
+        .leds = net2big_leds,
+};
+
+static struct platform_device net2big_gpio_leds = {
+        .name           = "leds-gpio",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &net2big_led_data,
+        },
+};
+
+static void __init net2big_gpio_leds_init(void)
+{
+        int err;
+
+        /* Stop initial CPLD slow red/blue blinking on power LED. */
+        err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP,
+                           "Power LED blink stop");
+        if (err == 0) {
+                err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1);
+                if (err)
+                        gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP);
+        }
+        if (err)
+                pr_err("net2big: failed to setup power LED blink GPIO\n");
+
+        /*
+         * Configure SATA0 and SATA1 blue LEDs to blink in relation with the
+         * hard disk activity.
+         */
+        err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED,
+                           "SATA0 blue LED control");
+        if (err == 0) {
+                err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1);
+                if (err)
+                        gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED);
+        }
+        if (err)
+                pr_err("net2big: failed to setup SATA0 blue LED GPIO\n");
+
+        err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED,
+                           "SATA1 blue LED control");
+        if (err == 0) {
+                err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1);
+                if (err)
+                        gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED);
+        }
+        if (err)
+                pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");
+
+        platform_device_register(&net2big_gpio_leds);
+}
+
+/****************************************************************************
+ * GPIO keys
+ ****************************************************************************/
+
+#define NET2BIG_GPIO_PUSH_BUTTON        18
+#define NET2BIG_GPIO_POWER_SWITCH_ON    8
+#define NET2BIG_GPIO_POWER_SWITCH_OFF   9
+
+#define NET2BIG_SWITCH_POWER_ON         0x1
+#define NET2BIG_SWITCH_POWER_OFF        0x2
+
+static struct gpio_keys_button net2big_buttons[] = {
+        {
+                .type           = EV_SW,
+                .code           = NET2BIG_SWITCH_POWER_OFF,
+                .gpio           = NET2BIG_GPIO_POWER_SWITCH_OFF,
+                .desc           = "Power rocker switch (auto|off)",
+                .active_low     = 0,
+        },
+        {
+                .type           = EV_SW,
+                .code           = NET2BIG_SWITCH_POWER_ON,
+                .gpio           = NET2BIG_GPIO_POWER_SWITCH_ON,
+                .desc           = "Power rocker switch (on|auto)",
+                .active_low     = 0,
+        },
+        {
+                .type           = EV_KEY,
+                .code           = KEY_POWER,
+                .gpio           = NET2BIG_GPIO_PUSH_BUTTON,
+                .desc           = "Front Push Button",
+                .active_low     = 0,
+        },
+};
+
+static struct gpio_keys_platform_data net2big_button_data = {
+        .buttons        = net2big_buttons,
+        .nbuttons       = ARRAY_SIZE(net2big_buttons),
+};
+
+static struct platform_device net2big_gpio_buttons = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &net2big_button_data,
+        },
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static struct orion5x_mpp_mode net2big_mpp_modes[] __initdata = {
+        {  0, MPP_GPIO },       /* Raid mode (bit 0) */
+        {  1, MPP_GPIO },       /* USB port 2 fuse (0 = Fail, 1 = Ok) */
+        {  2, MPP_GPIO },       /* Raid mode (bit 1) */
+        {  3, MPP_GPIO },       /* Board ID (bit 0) */
+        {  4, MPP_GPIO },       /* Fan activity (0 = Off, 1 = On) */
+        {  5, MPP_GPIO },       /* Fan fail detection */
+        {  6, MPP_GPIO },       /* Red front LED (0 = Off, 1 = On) */
+        {  7, MPP_GPIO },       /* Disable initial blinking on front LED */
+        {  8, MPP_GPIO },       /* Rear power switch (on|auto) */
+        {  9, MPP_GPIO },       /* Rear power switch (auto|off) */
+        { 10, MPP_GPIO },       /* SATA 1 red LED (0 = Off, 1 = On) */
+        { 11, MPP_GPIO },       /* SATA 0 red LED (0 = Off, 1 = On) */
+        { 12, MPP_GPIO },       /* Board ID (bit 1) */
+        { 13, MPP_GPIO },       /* SATA 1 blue LED blink control */
+        { 14, MPP_SATA_LED },
+        { 15, MPP_SATA_LED },
+        { 16, MPP_GPIO },       /* Blue front LED control */
+        { 17, MPP_GPIO },       /* SATA 0 blue LED blink control */
+        { 18, MPP_GPIO },       /* Front button (0 = Released, 1 = Pushed ) */
+        { 19, MPP_GPIO },       /* SATA{0,1} power On/Off request */
+        { -1 }
+        /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
+        /* 23: SATA 0 power status */
+        /* 24: Board power off */
+        /* 25: SATA 1 power status */
+};
+
+#define NET2BIG_GPIO_POWER_OFF          24
+
+static void net2big_power_off(void)
+{
+        gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
+}
+
+static void __init net2big_init(void)
+{
+        /*
+         * Setup basic Orion functions. Need to be called early.
+         */
+        orion5x_init();
+
+        orion5x_mpp_conf(net2big_mpp_modes);
+
+        /*
+         * Configure peripherals.
+         */
+        orion5x_ehci0_init();
+        orion5x_ehci1_init();
+        orion5x_eth_init(&net2big_eth_data);
+        orion5x_i2c_init();
+        orion5x_uart0_init();
+        orion5x_xor_init();
+
+        net2big_sata_power_init();
+        orion5x_sata_init(&net2big_sata_data);
+
+        orion5x_setup_dev_boot_win(NET2BIG_NOR_BOOT_BASE,
+                                   NET2BIG_NOR_BOOT_SIZE);
+        platform_device_register(&net2big_nor_flash);
+
+        platform_device_register(&net2big_gpio_buttons);
+        net2big_gpio_leds_init();
+
+        i2c_register_board_info(0, net2big_i2c_devices,
+                                ARRAY_SIZE(net2big_i2c_devices));
+
+        orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1);
+
+        if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 &&
+            gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0)
+                pm_power_off = net2big_power_off;
+        else
+                pr_err("net2big: failed to configure power-off GPIO\n");
+
+        pr_notice("net2big: Flash writing is not yet supported.\n");
+}
+
+/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
+MACHINE_START(NET2BIG, "LaCie 2Big Network")
+        .phys_io        = ORION5X_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+        .boot_params    = 0x00000100,
+        .init_machine   = net2big_init,
+        .map_io         = orion5x_map_io,
+        .init_irq       = orion5x_init_irq,
+        .timer          = &orion5x_timer,
+        .fixup          = tag_fixup_mem32,
+MACHINE_END
+