[ARM] Orion: add Maxtor Shared Storage II support
This patch adds support for the Maxtor Shared Storage II hardware.
Signed-off-by: Sylver Bruneau <sylver.bruneau@googlemail.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 8609f81..f8b91ea 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -68,6 +68,12 @@
Say 'Y' here if you want your kernel to support the
HP Media Vault mv2120 or mv5100.
+config MACH_MSS2
+ bool "Maxtor Shared Storage II"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Maxtor Shared Storage II platform.
+
endmenu
endif
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index d0c9f57..65b2fc6 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -9,3 +9,4 @@
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_MSS2) += mss2-setup.o
diff --git a/arch/arm/mach-orion5x/mss2-setup.c b/arch/arm/mach-orion5x/mss2-setup.c
new file mode 100644
index 0000000..7ce9e40
--- /dev/null
+++ b/arch/arm/mach-orion5x/mss2-setup.c
@@ -0,0 +1,270 @@
+/*
+ * Maxtor Shared Storage II Board Setup
+ *
+ * Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.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.
+ */
+
+#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 <asm/arch/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+#define MSS2_NOR_BOOT_BASE 0xff800000
+#define MSS2_NOR_BOOT_SIZE SZ_256K
+
+/*****************************************************************************
+ * Maxtor Shared Storage II Info
+ ****************************************************************************/
+
+/*
+ * Maxtor Shared Storage II hardware :
+ * - Marvell 88F5182-A2 C500
+ * - Marvell 88E1111 Gigabit Ethernet PHY
+ * - RTC M41T81 (@0x68) on I2C bus
+ * - 256KB NOR flash
+ * - 64MB of RAM
+ */
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data mss2_nor_flash_data = {
+ .width = 1,
+};
+
+static struct resource mss2_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = MSS2_NOR_BOOT_BASE,
+ .end = MSS2_NOR_BOOT_BASE + MSS2_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device mss2_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &mss2_nor_flash_data,
+ },
+ .resource = &mss2_nor_flash_resource,
+ .num_resources = 1,
+};
+
+/****************************************************************************
+ * PCI setup
+ ****************************************************************************/
+static int __init mss2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ return -1;
+}
+
+static struct hw_pci mss2_pci __initdata = {
+ .nr_controllers = 2,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = mss2_pci_map_irq,
+};
+
+static int __init mss2_pci_init(void)
+{
+ if (machine_is_mss2())
+ pci_common_init(&mss2_pci);
+
+ return 0;
+}
+subsys_initcall(mss2_pci_init);
+
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data mss2_eth_data = {
+ .phy_addr = 8,
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+
+static struct mv_sata_platform_data mss2_sata_data = {
+ .n_ports = 2,
+};
+
+/*****************************************************************************
+ * GPIO buttons
+ ****************************************************************************/
+
+#define MSS2_GPIO_KEY_RESET 12
+#define MSS2_GPIO_KEY_POWER 11
+
+static struct gpio_keys_button mss2_buttons[] = {
+ {
+ .code = KEY_POWER,
+ .gpio = MSS2_GPIO_KEY_POWER,
+ .desc = "Power",
+ .active_low = 1,
+ }, {
+ .code = KEY_RESTART,
+ .gpio = MSS2_GPIO_KEY_RESET,
+ .desc = "Reset",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data mss2_button_data = {
+ .buttons = mss2_buttons,
+ .nbuttons = ARRAY_SIZE(mss2_buttons),
+};
+
+static struct platform_device mss2_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &mss2_button_data,
+ },
+};
+
+/*****************************************************************************
+ * RTC m41t81 on I2C bus
+ ****************************************************************************/
+
+#define MSS2_GPIO_RTC_IRQ 3
+
+static struct i2c_board_info __initdata mss2_i2c_rtc = {
+ I2C_BOARD_INFO("m41t81", 0x68),
+};
+
+/*****************************************************************************
+ * MSS2 power off method
+ ****************************************************************************/
+/*
+ * On the Maxtor Shared Storage II, the shutdown process is the following :
+ * - Userland modifies U-boot env to tell U-boot to go idle at next boot
+ * - The board reboots
+ * - U-boot starts and go into an idle mode until the user press "power"
+ */
+static void mss2_power_off(void)
+{
+ u32 reg;
+
+ /*
+ * Enable and issue soft reset
+ */
+ reg = readl(CPU_RESET_MASK);
+ reg |= 1 << 2;
+ writel(reg, CPU_RESET_MASK);
+
+ reg = readl(CPU_SOFT_RESET);
+ reg |= 1;
+ writel(reg, CPU_SOFT_RESET);
+}
+
+/****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode mss2_mpp_modes[] __initdata = {
+ { 0, MPP_GPIO }, /* Power LED */
+ { 1, MPP_GPIO }, /* Error LED */
+ { 2, MPP_UNUSED },
+ { 3, MPP_GPIO }, /* RTC interrupt */
+ { 4, MPP_GPIO }, /* HDD ind. (Single/Dual)*/
+ { 5, MPP_GPIO }, /* HD0 5V control */
+ { 6, MPP_GPIO }, /* HD0 12V control */
+ { 7, MPP_GPIO }, /* HD1 5V control */
+ { 8, MPP_GPIO }, /* HD1 12V control */
+ { 9, MPP_UNUSED },
+ { 10, MPP_GPIO }, /* Fan control */
+ { 11, MPP_GPIO }, /* Power button */
+ { 12, MPP_GPIO }, /* Reset button */
+ { 13, MPP_UNUSED },
+ { 14, MPP_SATA_LED }, /* SATA 0 active */
+ { 15, MPP_SATA_LED }, /* SATA 1 active */
+ { 16, MPP_UNUSED },
+ { 17, MPP_UNUSED },
+ { 18, MPP_UNUSED },
+ { 19, MPP_UNUSED },
+ { -1 },
+};
+
+static void __init mss2_init(void)
+{
+ /* Setup basic Orion functions. Need to be called early. */
+ orion5x_init();
+
+ orion5x_mpp_conf(mss2_mpp_modes);
+
+ /*
+ * MPP[20] Unused
+ * MPP[21] PCI clock
+ * MPP[22] USB 0 over current
+ * MPP[23] USB 1 over current
+ */
+
+ /*
+ * Configure peripherals.
+ */
+ orion5x_ehci0_init();
+ orion5x_ehci1_init();
+ orion5x_eth_init(&mss2_eth_data);
+ orion5x_i2c_init();
+ orion5x_sata_init(&mss2_sata_data);
+ orion5x_uart0_init();
+
+ orion5x_setup_dev_boot_win(MSS2_NOR_BOOT_BASE, MSS2_NOR_BOOT_SIZE);
+ platform_device_register(&mss2_nor_flash);
+
+ platform_device_register(&mss2_button_device);
+
+ if (gpio_request(MSS2_GPIO_RTC_IRQ, "rtc") == 0) {
+ if (gpio_direction_input(MSS2_GPIO_RTC_IRQ) == 0)
+ mss2_i2c_rtc.irq = gpio_to_irq(MSS2_GPIO_RTC_IRQ);
+ else
+ gpio_free(MSS2_GPIO_RTC_IRQ);
+ }
+ i2c_register_board_info(0, &mss2_i2c_rtc, 1);
+
+ /* register mss2 specific power-off method */
+ pm_power_off = mss2_power_off;
+}
+
+MACHINE_START(MSS2, "Maxtor Shared Storage II")
+ /* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> */
+ .phys_io = ORION5X_REGS_PHYS_BASE,
+ .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = mss2_init,
+ .map_io = orion5x_map_io,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32
+MACHINE_END