[ARM] Kirkwood: add LaCie 2Big Network v2 support

Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

3 files changed, 341 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 05a85526d6d5..953681ae69ea 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -87,6 +87,12 @@ config MACH_INETSPACE_V2
           Say 'Y' here if you want your kernel to support the
           LaCie Internet Space v2 NAS.
 
+config MACH_NET2BIG_V2
+        bool "LaCie 2Big Network v2 NAS Board"
+        help
+          Say 'Y' here if you want your kernel to support the
+          LaCie 2Big Network v2 NAS.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 85b3a39a6204..3697d8e59687 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -12,5 +12,6 @@ obj-$(CONFIG_MACH_TS41X)		+= ts41x-setup.o tsx1x-common.o
 obj-$(CONFIG_MACH_OPENRD)               += openrd-setup.o
 obj-$(CONFIG_MACH_NETSPACE_V2)          += netspace_v2-setup.o
 obj-$(CONFIG_MACH_INETSPACE_V2)         += netspace_v2-setup.o
+obj-$(CONFIG_MACH_NET2BIG_V2)           += net2big_v2-setup.o
 
 obj-$(CONFIG_CPU_IDLE)                  += cpuidle.o
diff --git a/arch/arm/mach-kirkwood/net2big_v2-setup.c b/arch/arm/mach-kirkwood/net2big_v2-setup.c
new file mode 100644
index 000000000000..359bb19e366c
--- /dev/null
+++ b/arch/arm/mach-kirkwood/net2big_v2-setup.c
@@ -0,0 +1,334 @@
+/*
+ * arch/arm/mach-kirkwood/net2big_v2-setup.c
+ *
+ * LaCie 2Big Network v2 board setup
+ *
+ * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/input.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/leds.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/kirkwood.h>
+#include <plat/time.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005)
+ ****************************************************************************/
+
+static struct mtd_partition net2big_v2_flash_parts[] = {
+        {
+                .name = "u-boot",
+                .size = MTDPART_SIZ_FULL,
+                .offset = 0,
+                .mask_flags = MTD_WRITEABLE, /* force read-only */
+        },
+};
+
+static const struct flash_platform_data net2big_v2_flash = {
+        .type           = "mx25l4005a",
+        .name           = "spi_flash",
+        .parts          = net2big_v2_flash_parts,
+        .nr_parts       = ARRAY_SIZE(net2big_v2_flash_parts),
+};
+
+static struct spi_board_info __initdata net2big_v2_spi_slave_info[] = {
+        {
+                .modalias       = "m25p80",
+                .platform_data  = &net2big_v2_flash,
+                .irq            = -1,
+                .max_speed_hz   = 20000000,
+                .bus_num        = 0,
+                .chip_select    = 0,
+        },
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data net2big_v2_ge00_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
+};
+
+/*****************************************************************************
+ * I2C devices
+ ****************************************************************************/
+
+static struct at24_platform_data at24c04 = {
+        .byte_len       = SZ_4K / 8,
+        .page_size      = 16,
+};
+
+/*
+ * i2c addr | chip         | description
+ * 0x50     | HT24LC04     | eeprom (512B)
+ */
+
+static struct i2c_board_info __initdata net2big_v2_i2c_info[] = {
+        {
+                I2C_BOARD_INFO("24c04", 0x50),
+                .platform_data  = &at24c04,
+        }
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+
+static struct mv_sata_platform_data net2big_v2_sata_data = {
+        .n_ports        = 2,
+};
+
+static int __initdata net2big_v2_gpio_hdd_power[] = { 16, 17 };
+
+static void __init net2big_v2_sata_power_init(void)
+{
+        int i;
+        int err;
+
+        /* Power up all hard disks. */
+        for (i = 0; i < ARRAY_SIZE(net2big_v2_gpio_hdd_power); i++) {
+                err = gpio_request(net2big_v2_gpio_hdd_power[i], NULL);
+                if (err == 0) {
+                        err = gpio_direction_output(
+                                        net2big_v2_gpio_hdd_power[i], 1);
+                        /* Free the HDD power GPIOs. This allow user-space to
+                         * configure them via the gpiolib sysfs interface. */
+                        gpio_free(net2big_v2_gpio_hdd_power[i]);
+                }
+                if (err)
+                        pr_err("net2big_v2: failed to power-up HDD%d\n", i + 1);
+        }
+}
+
+/*****************************************************************************
+ * GPIO keys
+ ****************************************************************************/
+
+#define NET2BIG_V2_GPIO_SWITCH_POWER_ON         13
+#define NET2BIG_V2_GPIO_SWITCH_POWER_OFF        15
+#define NET2BIG_V2_GPIO_FUNC_BUTTON             34
+
+#define NET2BIG_V2_SWITCH_POWER_ON              0x1
+#define NET2BIG_V2_SWITCH_POWER_OFF             0x2
+
+static struct gpio_keys_button net2big_v2_buttons[] = {
+        [0] = {
+                .type           = EV_SW,
+                .code           = NET2BIG_V2_SWITCH_POWER_ON,
+                .gpio           = NET2BIG_V2_GPIO_SWITCH_POWER_ON,
+                .desc           = "Back power switch (on|auto)",
+                .active_low     = 1,
+        },
+        [1] = {
+                .type           = EV_SW,
+                .code           = NET2BIG_V2_SWITCH_POWER_OFF,
+                .gpio           = NET2BIG_V2_GPIO_SWITCH_POWER_OFF,
+                .desc           = "Back power switch (auto|off)",
+                .active_low     = 1,
+        },
+        [2] = {
+                .code           = KEY_OPTION,
+                .gpio           = NET2BIG_V2_GPIO_FUNC_BUTTON,
+                .desc           = "Function button",
+                .active_low     = 1,
+        },
+};
+
+static struct gpio_keys_platform_data net2big_v2_button_data = {
+        .buttons        = net2big_v2_buttons,
+        .nbuttons       = ARRAY_SIZE(net2big_v2_buttons),
+};
+
+static struct platform_device net2big_v2_gpio_buttons = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &net2big_v2_button_data,
+        },
+};
+
+/*****************************************************************************
+ * GPIO LEDs
+ ****************************************************************************/
+
+/*
+ * The LEDs are controlled by a CPLD and can be configured through a GPIO
+ * extension bus:
+ *
+ * - address register : bit [0-2] -> GPIO [47-49]
+ * - data register    : bit [0-2] -> GPIO [44-46]
+ * - enable register  : GPIO 29
+ *
+ * Address register selection:
+ *
+ * addr | register
+ * ----------------------------
+ *   0  | front LED
+ *   1  | front LED brightness
+ *   2  | HDD LED brightness
+ *   3  | HDD1 LED
+ *   4  | HDD2 LED
+ *
+ * Data register configuration:
+ *
+ * data | LED brightness
+ * -------------------------------------------------
+ *   0  | min (off)
+ *   -  | -
+ *   7  | max
+ *
+ * data | front LED mode
+ * -------------------------------------------------
+ *   0  | fix off
+ *   1  | fix blue on
+ *   2  | fix red on
+ *   3  | blink blue on=1 sec and blue off=1 sec
+ *   4  | blink red on=1 sec and red off=1 sec
+ *   5  | blink blue on=2.5 sec and red on=0.5 sec
+ *   6  | blink blue on=1 sec and red on=1 sec
+ *   7  | blink blue on=0.5 sec and blue off=2.5 sec
+ *
+ * data | HDD LED mode
+ * -------------------------------------------------
+ *   0  | fix blue on
+ *   1  | SATA activity blink
+ *   2  | fix red on
+ *   3  | blink blue on=1 sec and blue off=1 sec
+ *   4  | blink red on=1 sec and red off=1 sec
+ *   5  | blink blue on=2.5 sec and red on=0.5 sec
+ *   6  | blink blue on=1 sec and red on=1 sec
+ *   7  | blink blue on=0.5 sec and blue off=2.5 sec
+ */
+
+/*****************************************************************************
+ * Timer
+ ****************************************************************************/
+
+static void net2big_v2_timer_init(void)
+{
+        kirkwood_tclk = 166666667;
+        orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
+}
+
+struct sys_timer net2big_v2_timer = {
+        .init = net2big_v2_timer_init,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static unsigned int net2big_v2_mpp_config[] __initdata = {
+        MPP0_SPI_SCn,
+        MPP1_SPI_MOSI,
+        MPP2_SPI_SCK,
+        MPP3_SPI_MISO,
+        MPP6_SYSRST_OUTn,
+        MPP7_GPO,               /* Request power-off */
+        MPP8_TW_SDA,
+        MPP9_TW_SCK,
+        MPP10_UART0_TXD,
+        MPP11_UART0_RXD,
+        MPP13_GPIO,             /* Rear power switch (on|auto) */
+        MPP14_GPIO,             /* USB fuse alarm */
+        MPP15_GPIO,             /* Rear power switch (auto|off) */
+        MPP16_GPIO,             /* SATA HDD1 power */
+        MPP17_GPIO,             /* SATA HDD2 power */
+        MPP20_SATA1_ACTn,
+        MPP21_SATA0_ACTn,
+        MPP24_GPIO,             /* USB mode select */
+        MPP26_GPIO,             /* USB device vbus */
+        MPP28_GPIO,             /* USB enable host vbus */
+        MPP29_GPIO,             /* GPIO extension ALE */
+        MPP34_GPIO,             /* Rear Push button */
+        MPP35_GPIO,             /* Inhibit switch power-off */
+        MPP36_GPIO,             /* SATA HDD1 presence */
+        MPP37_GPIO,             /* SATA HDD2 presence */
+        MPP40_GPIO,             /* eSATA presence */
+        MPP44_GPIO,             /* GPIO extension (data 0) */
+        MPP45_GPIO,             /* GPIO extension (data 1) */
+        MPP46_GPIO,             /* GPIO extension (data 2) */
+        MPP47_GPIO,             /* GPIO extension (addr 0) */
+        MPP48_GPIO,             /* GPIO extension (addr 1) */
+        MPP49_GPIO,             /* GPIO extension (addr 2) */
+        0
+};
+
+#define NET2BIG_V2_GPIO_POWER_OFF               7
+
+static void net2big_v2_power_off(void)
+{
+        gpio_set_value(NET2BIG_V2_GPIO_POWER_OFF, 1);
+}
+
+static void __init net2big_v2_init(void)
+{
+        /*
+         * Basic setup. Needs to be called early.
+         */
+        kirkwood_init();
+        kirkwood_mpp_conf(net2big_v2_mpp_config);
+
+        net2big_v2_sata_power_init();
+
+        kirkwood_ehci_init();
+        kirkwood_ge00_init(&net2big_v2_ge00_data);
+        kirkwood_sata_init(&net2big_v2_sata_data);
+        kirkwood_uart0_init();
+        spi_register_board_info(net2big_v2_spi_slave_info,
+                                ARRAY_SIZE(net2big_v2_spi_slave_info));
+        kirkwood_spi_init();
+        kirkwood_i2c_init();
+        i2c_register_board_info(0, net2big_v2_i2c_info,
+                                ARRAY_SIZE(net2big_v2_i2c_info));
+
+        platform_device_register(&net2big_v2_gpio_buttons);
+
+        if (gpio_request(NET2BIG_V2_GPIO_POWER_OFF, "power-off") == 0 &&
+            gpio_direction_output(NET2BIG_V2_GPIO_POWER_OFF, 0) == 0)
+                pm_power_off = net2big_v2_power_off;
+        else
+                pr_err("net2big_v2: failed to configure power-off GPIO\n");
+}
+
+MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2")
+        .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
+        .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+        .boot_params    = 0x00000100,
+        .init_machine   = net2big_v2_init,
+        .map_io         = kirkwood_map_io,
+        .init_irq       = kirkwood_init_irq,
+        .timer          = &net2big_v2_timer,
+MACHINE_END