[ARM] orion5x: Add LaCie NAS d2Network support

This patch add support for the d2 Network and the Big Disk Network
LaCie boards.

Signed-off-by: Simon Guinot <sguinot@lacie.com>
Acked-by: Christopher Moore <moore@free.fr>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

3 files changed, 381 insertions, 0 deletions

diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 2c7035d8dcbf..5062b05b76b7 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -89,6 +89,20 @@ config MACH_EDMINI_V2
           Say 'Y' here if you want your kernel to support the
           LaCie Ethernet Disk mini V2.
 
+config MACH_D2NET
+        bool "LaCie d2 Network"
+        select I2C_BOARDINFO
+        help
+          Say 'Y' here if you want your kernel to support the
+          LaCie d2 Network NAS.
+
+config MACH_BIGDISK
+        bool "LaCie Big Disk Network"
+        select I2C_BOARDINFO
+        help
+          Say 'Y' here if you want your kernel to support the
+          LaCie Big Disk 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 edc38e2c856f..1db8a3a2708a 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -12,6 +12,8 @@ obj-$(CONFIG_MACH_WRT350N_V2)	+= wrt350n-v2-setup.o
 obj-$(CONFIG_MACH_TS78XX)       += ts78xx-setup.o
 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-$(CONFIG_MACH_MSS2)         += mss2-setup.o
 obj-$(CONFIG_MACH_WNR854T)      += wnr854t-setup.o
 obj-$(CONFIG_MACH_RD88F5181L_GE)        += rd88f5181l-ge-setup.o
diff --git a/arch/arm/mach-orion5x/d2net-setup.c b/arch/arm/mach-orion5x/d2net-setup.c
new file mode 100644
index 000000000000..9d4bf763f25b
--- /dev/null
+++ b/arch/arm/mach-orion5x/d2net-setup.c
@@ -0,0 +1,365 @@
+/*
+ * arch/arm/mach-orion5x/d2net-setup.c
+ *
+ * LaCie d2Network and Big Disk 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/pci.h>
+#include <linux/irq.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/mach/pci.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * LaCie d2 Network Info
+ ****************************************************************************/
+
+/*
+ * 512KB NOR flash Device bus boot chip select
+ */
+
+#define D2NET_NOR_BOOT_BASE             0xfff80000
+#define D2NET_NOR_BOOT_SIZE             SZ_512K
+
+/*****************************************************************************
+ * 512KB NOR Flash on Boot Device
+ ****************************************************************************/
+
+/*
+ * TODO: Check write support on flash MX29LV400CBTC-70G
+ */
+
+static struct mtd_partition d2net_partitions[] = {
+        {
+                .name           = "Full512kb",
+                .size           = MTDPART_SIZ_FULL,
+                .offset         = 0,
+                .mask_flags     = MTD_WRITEABLE,
+        },
+};
+
+static struct physmap_flash_data d2net_nor_flash_data = {
+        .width          = 1,
+        .parts          = d2net_partitions,
+        .nr_parts       = ARRAY_SIZE(d2net_partitions),
+};
+
+static struct resource d2net_nor_flash_resource = {
+        .flags                  = IORESOURCE_MEM,
+        .start                  = D2NET_NOR_BOOT_BASE,
+        .end                    = D2NET_NOR_BOOT_BASE
+                                        + D2NET_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device d2net_nor_flash = {
+        .name                   = "physmap-flash",
+        .id                     = 0,
+        .dev            = {
+                .platform_data  = &d2net_nor_flash_data,
+        },
+        .num_resources          = 1,
+        .resource               = &d2net_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data d2net_eth_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
+};
+
+/*****************************************************************************
+ * I2C devices
+ ****************************************************************************/
+
+/*
+ * i2c addr | chip         | description
+ * 0x32     | Ricoh 5C372b | RTC
+ * 0x3e     | GMT G762     | PWM fan controller
+ * 0x50     | HT24LC08     | eeprom (1kB)
+ *
+ * TODO: Add G762 support to the g760a driver.
+ */
+static struct i2c_board_info __initdata d2net_i2c_devices[] = {
+        {
+                I2C_BOARD_INFO("rs5c372b", 0x32),
+        }, {
+                I2C_BOARD_INFO("24c08", 0x50),
+        },
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+
+static struct mv_sata_platform_data d2net_sata_data = {
+        .n_ports        = 2,
+};
+
+#define D2NET_GPIO_SATA0_POWER  3
+#define D2NET_GPIO_SATA1_POWER  12
+
+static void __init d2net_sata_power_init(void)
+{
+        int err;
+
+        err = gpio_request(D2NET_GPIO_SATA0_POWER, "SATA0 power");
+        if (err == 0) {
+                err = gpio_direction_output(D2NET_GPIO_SATA0_POWER, 1);
+                if (err)
+                        gpio_free(D2NET_GPIO_SATA0_POWER);
+        }
+        if (err)
+                pr_err("d2net: failed to configure SATA0 power GPIO\n");
+
+        err = gpio_request(D2NET_GPIO_SATA1_POWER, "SATA1 power");
+        if (err == 0) {
+                err = gpio_direction_output(D2NET_GPIO_SATA1_POWER, 1);
+                if (err)
+                        gpio_free(D2NET_GPIO_SATA1_POWER);
+        }
+        if (err)
+                pr_err("d2net: failed to configure SATA1 power GPIO\n");
+}
+
+/*****************************************************************************
+ * GPIO LED's
+ ****************************************************************************/
+
+/*
+ * The blue front LED is wired to the CPLD and can blink in relation with the
+ * SATA activity. This feature is disabled to make this LED compatible with
+ * the leds-gpio driver: MPP14 and MPP15 are configured to act like output
+ * GPIO's and have to stay in an active state. This is needed to set the blue
+ * LED in a "fix on" state regardless of the SATA activity.
+ *
+ * The following array detail the different LED registers and the combination
+ * of their possible values:
+ *
+ * led_off   | blink_ctrl | SATA active | LED state
+ *           |            |             |
+ *    1      |     x      |      x      |  off
+ *    0      |     0      |      0      |  off
+ *    0      |     1      |      0      |  blink (rate 300ms)
+ *    0      |     x      |      1      |  on
+ *
+ * Notes: The blue and the red front LED's can't be on at the same time.
+ *        Red LED have priority.
+ */
+
+#define D2NET_GPIO_RED_LED              6
+#define D2NET_GPIO_BLUE_LED_BLINK_CTRL  16
+#define D2NET_GPIO_BLUE_LED_OFF         23
+#define D2NET_GPIO_SATA0_ACT            14
+#define D2NET_GPIO_SATA1_ACT            15
+
+static struct gpio_led d2net_leds[] = {
+        {
+                .name = "d2net:blue:power",
+                .gpio = D2NET_GPIO_BLUE_LED_OFF,
+                .active_low = 1,
+        },
+        {
+                .name = "d2net:red:fail",
+                .gpio = D2NET_GPIO_RED_LED,
+        },
+};
+
+static struct gpio_led_platform_data d2net_led_data = {
+        .num_leds = ARRAY_SIZE(d2net_leds),
+        .leds = d2net_leds,
+};
+
+static struct platform_device d2net_gpio_leds = {
+        .name           = "leds-gpio",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &d2net_led_data,
+        },
+};
+
+static void __init d2net_gpio_leds_init(void)
+{
+        /* Configure GPIO over MPP max number. */
+        orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);
+
+        if (gpio_request(D2NET_GPIO_SATA0_ACT, "LED SATA0 activity") != 0)
+                return;
+        if (gpio_direction_output(D2NET_GPIO_SATA0_ACT, 1) != 0)
+                goto err_free_1;
+        if (gpio_request(D2NET_GPIO_SATA1_ACT, "LED SATA1 activity") != 0)
+                goto err_free_1;
+        if (gpio_direction_output(D2NET_GPIO_SATA1_ACT, 1) != 0)
+                goto err_free_2;
+        platform_device_register(&d2net_gpio_leds);
+        return;
+
+err_free_2:
+        gpio_free(D2NET_GPIO_SATA1_ACT);
+err_free_1:
+        gpio_free(D2NET_GPIO_SATA0_ACT);
+        return;
+}
+
+/****************************************************************************
+ * GPIO keys
+ ****************************************************************************/
+
+#define D2NET_GPIO_PUSH_BUTTON          18
+#define D2NET_GPIO_POWER_SWITCH_ON      8
+#define D2NET_GPIO_POWER_SWITCH_OFF     9
+
+#define D2NET_SWITCH_POWER_ON           0x1
+#define D2NET_SWITCH_POWER_OFF          0x2
+
+static struct gpio_keys_button d2net_buttons[] = {
+        {
+                .type           = EV_SW,
+                .code           = D2NET_SWITCH_POWER_OFF,
+                .gpio           = D2NET_GPIO_POWER_SWITCH_OFF,
+                .desc           = "Power rocker switch (auto|off)",
+                .active_low     = 0,
+        },
+        {
+                .type           = EV_SW,
+                .code           = D2NET_SWITCH_POWER_ON,
+                .gpio           = D2NET_GPIO_POWER_SWITCH_ON,
+                .desc           = "Power rocker switch (on|auto)",
+                .active_low     = 0,
+        },
+        {
+                .type           = EV_KEY,
+                .code           = KEY_POWER,
+                .gpio           = D2NET_GPIO_PUSH_BUTTON,
+                .desc           = "Front Push Button",
+                .active_low     = 0,
+        },
+};
+
+static struct gpio_keys_platform_data d2net_button_data = {
+        .buttons        = d2net_buttons,
+        .nbuttons       = ARRAY_SIZE(d2net_buttons),
+};
+
+static struct platform_device d2net_gpio_buttons = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &d2net_button_data,
+        },
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static struct orion5x_mpp_mode d2net_mpp_modes[] __initdata = {
+        {  0, MPP_GPIO },       /* Board ID (bit 0) */
+        {  1, MPP_GPIO },       /* Board ID (bit 1) */
+        {  2, MPP_GPIO },       /* Board ID (bit 2) */
+        {  3, MPP_GPIO },       /* SATA 0 power */
+        {  4, MPP_UNUSED },
+        {  5, MPP_GPIO },       /* Fan fail detection */
+        {  6, MPP_GPIO },       /* Red front LED */
+        {  7, MPP_UNUSED },
+        {  8, MPP_GPIO },       /* Rear power switch (on|auto) */
+        {  9, MPP_GPIO },       /* Rear power switch (auto|off) */
+        { 10, MPP_UNUSED },
+        { 11, MPP_UNUSED },
+        { 12, MPP_GPIO },       /* SATA 1 power */
+        { 13, MPP_UNUSED },
+        { 14, MPP_GPIO },       /* SATA 0 active */
+        { 15, MPP_GPIO },       /* SATA 1 active */
+        { 16, MPP_GPIO },       /* Blue front LED blink control */
+        { 17, MPP_UNUSED },
+        { 18, MPP_GPIO },       /* Front button (0 = Released, 1 = Pushed ) */
+        { 19, MPP_UNUSED },
+        { -1 }
+        /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
+        /* 23: Blue front LED off */
+        /* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
+};
+
+static void __init d2net_init(void)
+{
+        /*
+         * Setup basic Orion functions. Need to be called early.
+         */
+        orion5x_init();
+
+        orion5x_mpp_conf(d2net_mpp_modes);
+
+        /*
+         * Configure peripherals.
+         */
+        orion5x_ehci0_init();
+        orion5x_eth_init(&d2net_eth_data);
+        orion5x_i2c_init();
+        orion5x_uart0_init();
+
+        d2net_sata_power_init();
+        orion5x_sata_init(&d2net_sata_data);
+
+        orion5x_setup_dev_boot_win(D2NET_NOR_BOOT_BASE,
+                                D2NET_NOR_BOOT_SIZE);
+        platform_device_register(&d2net_nor_flash);
+
+        platform_device_register(&d2net_gpio_buttons);
+
+        d2net_gpio_leds_init();
+
+        pr_notice("d2net: Flash write are not yet supported.\n");
+
+        i2c_register_board_info(0, d2net_i2c_devices,
+                                ARRAY_SIZE(d2net_i2c_devices));
+}
+
+/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
+
+#ifdef CONFIG_MACH_D2NET
+MACHINE_START(D2NET, "LaCie d2 Network")
+        .phys_io        = ORION5X_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+        .boot_params    = 0x00000100,
+        .init_machine   = d2net_init,
+        .map_io         = orion5x_map_io,
+        .init_irq       = orion5x_init_irq,
+        .timer          = &orion5x_timer,
+        .fixup          = tag_fixup_mem32,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_BIGDISK
+MACHINE_START(BIGDISK, "LaCie Big Disk Network")
+        .phys_io        = ORION5X_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+        .boot_params    = 0x00000100,
+        .init_machine   = d2net_init,
+        .map_io         = orion5x_map_io,
+        .init_irq       = orion5x_init_irq,
+        .timer          = &orion5x_timer,
+        .fixup          = tag_fixup_mem32,
+MACHINE_END
+#endif
+