[ARM] Kirkwood: Add LaCie Network Space v2 support

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

3 files changed, 332 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 8bf09ae5b34..f6c6196a51f 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -52,6 +52,12 @@ config MACH_OPENRD_BASE
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell OpenRD Base Board.
 
+config MACH_NETSPACE_V2
+	bool "LaCie Network Space v2 NAS Board"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  LaCie Network Space v2 NAS.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 9f2f67b2b63..d4d7f53b0fb 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -8,5 +8,6 @@ obj-$(CONFIG_MACH_SHEEVAPLUG)		+= sheevaplug-setup.o
 obj-$(CONFIG_MACH_TS219)		+= ts219-setup.o tsx1x-common.o
 obj-$(CONFIG_MACH_TS41X)		+= ts41x-setup.o tsx1x-common.o
 obj-$(CONFIG_MACH_OPENRD_BASE)		+= openrd_base-setup.o
+obj-$(CONFIG_MACH_NETSPACE_V2)		+= netspace_v2-setup.o
 
 obj-$(CONFIG_CPU_IDLE)			+= cpuidle.o
diff --git a/arch/arm/mach-kirkwood/netspace_v2-setup.c b/arch/arm/mach-kirkwood/netspace_v2-setup.c
new file mode 100644
index 00000000000..9a064065beb
--- /dev/null
+++ b/arch/arm/mach-kirkwood/netspace_v2-setup.c
@@ -0,0 +1,325 @@
+/*
+ * arch/arm/mach-kirkwood/netspace_v2-setup.c
+ *
+ * LaCie Network Space v2 board setup
+ *
+ * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
+ * Copyright (C) 2009 Benoît Canet <benoit.canet@gmail.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 netspace_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 netspace_v2_flash = {
+	.type		= "mx25l4005a",
+	.name		= "spi_flash",
+	.parts		= netspace_v2_flash_parts,
+	.nr_parts	= ARRAY_SIZE(netspace_v2_flash_parts),
+};
+
+static struct spi_board_info __initdata netspace_v2_spi_slave_info[] = {
+	{
+		.modalias	= "m25p80",
+		.platform_data	= &netspace_v2_flash,
+		.irq		= -1,
+		.max_speed_hz	= 20000000,
+		.bus_num	= 0,
+		.chip_select	= 0,
+	},
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data netspace_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 netspace_v2_i2c_info[] = {
+	{
+		I2C_BOARD_INFO("24c04", 0x50),
+		.platform_data  = &at24c04,
+	}
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+
+static struct mv_sata_platform_data netspace_v2_sata_data = {
+	.n_ports	= 2,
+};
+
+#define NETSPACE_V2_GPIO_SATA0_POWER	16
+#define NETSPACE_V2_GPIO_SATA1_POWER	17
+
+static void __init netspace_v2_sata_power_init(void)
+{
+	int err;
+
+	err = gpio_request(NETSPACE_V2_GPIO_SATA0_POWER, "SATA0 power");
+	if (err == 0) {
+		err = gpio_direction_output(NETSPACE_V2_GPIO_SATA0_POWER, 1);
+		if (err)
+			gpio_free(NETSPACE_V2_GPIO_SATA0_POWER);
+	}
+	if (err)
+		pr_err("netspace_v2: failed to setup SATA0 power\n");
+}
+
+/*****************************************************************************
+ * GPIO keys
+ ****************************************************************************/
+
+#define NETSPACE_V2_PUSH_BUTTON		32
+
+static struct gpio_keys_button netspace_v2_buttons[] = {
+	[0] = {
+		.code		= KEY_POWER,
+		.gpio		= NETSPACE_V2_PUSH_BUTTON,
+		.desc		= "Power push button",
+		.active_low	= 0,
+	},
+};
+
+static struct gpio_keys_platform_data netspace_v2_button_data = {
+	.buttons	= netspace_v2_buttons,
+	.nbuttons	= ARRAY_SIZE(netspace_v2_buttons),
+};
+
+static struct platform_device netspace_v2_gpio_buttons = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.dev		= {
+		.platform_data 	= &netspace_v2_button_data,
+	},
+};
+
+/*****************************************************************************
+ * GPIO LEDs
+ ****************************************************************************/
+
+/*
+ * The blue front LED is wired to a CPLD and can blink in relation with the
+ * SATA activity.
+ *
+ * The following array detail the different LED registers and the combination
+ * of their possible values:
+ *
+ *  cmd_led   |  slow_led  | /SATA active | LED state
+ *            |            |              |
+ *     1      |     0      |      x       |  off
+ *     -      |     1      |      x       |  on
+ *     0      |     0      |      1       |  on
+ *     0      |     0      |      0       |  blink (rate 300ms)
+ */
+
+#define NETSPACE_V2_GPIO_RED_LED	12
+#define NETSPACE_V2_GPIO_BLUE_LED_SLOW	29
+#define NETSPACE_V2_GPIO_BLUE_LED_CMD	30
+
+
+static struct gpio_led netspace_v2_gpio_led_pins[] = {
+	{
+		.name	= "ns_v2:red:fail",
+		.gpio	= NETSPACE_V2_GPIO_RED_LED,
+	},
+};
+
+static struct gpio_led_platform_data netspace_v2_gpio_leds_data = {
+	.num_leds	= ARRAY_SIZE(netspace_v2_gpio_led_pins),
+	.leds		= netspace_v2_gpio_led_pins,
+};
+
+static struct platform_device netspace_v2_gpio_leds = {
+	.name		= "leds-gpio",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &netspace_v2_gpio_leds_data,
+	},
+};
+
+static void __init netspace_v2_gpio_leds_init(void)
+{
+	platform_device_register(&netspace_v2_gpio_leds);
+
+	/*
+	 * Configure the front blue LED to blink in relation with the SATA
+	 * activity.
+	 */
+	if (gpio_request(NETSPACE_V2_GPIO_BLUE_LED_SLOW,
+			 "SATA blue LED slow") != 0)
+		return;
+	if (gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_SLOW, 0) != 0)
+		goto err_free_1;
+	if (gpio_request(NETSPACE_V2_GPIO_BLUE_LED_CMD,
+			 "SATA blue LED command") != 0)
+		goto err_free_1;
+	if (gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_CMD, 0) != 0)
+		goto err_free_2;
+
+	return;
+
+err_free_2:
+	gpio_free(NETSPACE_V2_GPIO_BLUE_LED_CMD);
+err_free_1:
+	gpio_free(NETSPACE_V2_GPIO_BLUE_LED_SLOW);
+	pr_err("netspace_v2: failed to configure SATA blue LED\n");
+}
+
+/*****************************************************************************
+ * Timer
+ ****************************************************************************/
+
+static void netspace_v2_timer_init(void)
+{
+	kirkwood_tclk = 166666667;
+	orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
+}
+
+struct sys_timer netspace_v2_timer = {
+	.init = netspace_v2_timer_init,
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+static unsigned int netspace_v2_mpp_config[] __initdata = {
+	MPP0_SPI_SCn,
+	MPP1_SPI_MOSI,
+	MPP2_SPI_SCK,
+	MPP3_SPI_MISO,
+	MPP4_NF_IO6,
+	MPP5_NF_IO7,
+	MPP6_SYSRST_OUTn,
+	MPP8_TW_SDA,
+	MPP9_TW_SCK,
+	MPP10_UART0_TXD,
+	MPP11_UART0_RXD,
+	MPP12_GPO,		/* Red led */
+	MPP14_GPIO,		/* USB fuse */
+	MPP16_GPIO,		/* SATA 0 power */
+	MPP18_NF_IO0,
+	MPP19_NF_IO1,
+	MPP20_SATA1_ACTn,
+	MPP21_SATA0_ACTn,
+	MPP24_GPIO,		/* USB mode select */
+	MPP25_GPIO,		/* Fan rotation fail */
+	MPP26_GPIO,		/* USB device vbus */
+	MPP28_GPIO,		/* USB enable host vbus */
+	MPP29_GPIO,		/* Blue led (slow register) */
+	MPP30_GPIO,		/* Blue led (command register) */
+	MPP31_GPIO,		/* Board power off */
+	MPP32_GPIO, 		/* Power button (0 = Released, 1 = Pushed) */
+	0
+};
+
+#define NETSPACE_V2_GPIO_POWER_OFF	31
+
+static void netspace_v2_power_off(void)
+{
+	gpio_set_value(NETSPACE_V2_GPIO_POWER_OFF, 1);
+}
+
+static void __init netspace_v2_init(void)
+{
+	/*
+	 * Basic setup. Needs to be called early.
+	 */
+	kirkwood_init();
+	kirkwood_mpp_conf(netspace_v2_mpp_config);
+
+	netspace_v2_sata_power_init();
+
+	kirkwood_ehci_init();
+	kirkwood_ge00_init(&netspace_v2_ge00_data);
+	kirkwood_sata_init(&netspace_v2_sata_data);
+	kirkwood_uart0_init();
+	spi_register_board_info(netspace_v2_spi_slave_info,
+				ARRAY_SIZE(netspace_v2_spi_slave_info));
+	kirkwood_spi_init();
+	kirkwood_i2c_init();
+	i2c_register_board_info(0, netspace_v2_i2c_info,
+				ARRAY_SIZE(netspace_v2_i2c_info));
+
+	netspace_v2_gpio_leds_init();
+	platform_device_register(&netspace_v2_gpio_buttons);
+
+	if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 &&
+	    gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0)
+		pm_power_off = netspace_v2_power_off;
+	else
+		pr_err("netspace_v2: failed to configure power-off GPIO\n");
+}
+
+MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
+	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
+	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.init_machine	= netspace_v2_init,
+	.map_io		= kirkwood_map_io,
+	.init_irq	= kirkwood_init_irq,
+	.timer		= &netspace_v2_timer,
+MACHINE_END