[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 05a8552..953681a 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 85b3a39..3697d8e 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 0000000..359bb19
--- /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