| /* |
| * 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 <mach/orion5x.h> |
| #include <mach/bridge-regs.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(const 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 = MV643XX_ETH_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(RSTOUTn_MASK); |
| reg |= 1 << 2; |
| writel(reg, RSTOUTn_MASK); |
| |
| reg = readl(CPU_SOFT_RESET); |
| reg |= 1; |
| writel(reg, CPU_SOFT_RESET); |
| } |
| |
| /**************************************************************************** |
| * General Setup |
| ****************************************************************************/ |
| static unsigned int mss2_mpp_modes[] __initdata = { |
| MPP0_GPIO, /* Power LED */ |
| MPP1_GPIO, /* Error LED */ |
| MPP2_UNUSED, |
| MPP3_GPIO, /* RTC interrupt */ |
| MPP4_GPIO, /* HDD ind. (Single/Dual)*/ |
| MPP5_GPIO, /* HD0 5V control */ |
| MPP6_GPIO, /* HD0 12V control */ |
| MPP7_GPIO, /* HD1 5V control */ |
| MPP8_GPIO, /* HD1 12V control */ |
| MPP9_UNUSED, |
| MPP10_GPIO, /* Fan control */ |
| MPP11_GPIO, /* Power button */ |
| MPP12_GPIO, /* Reset button */ |
| MPP13_UNUSED, |
| MPP14_SATA_LED, /* SATA 0 active */ |
| MPP15_SATA_LED, /* SATA 1 active */ |
| MPP16_UNUSED, |
| MPP17_UNUSED, |
| MPP18_UNUSED, |
| MPP19_UNUSED, |
| 0, |
| }; |
| |
| 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_xor_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> */ |
| .atag_offset = 0x100, |
| .init_machine = mss2_init, |
| .map_io = orion5x_map_io, |
| .init_early = orion5x_init_early, |
| .init_irq = orion5x_init_irq, |
| .timer = &orion5x_timer, |
| .fixup = tag_fixup_mem32, |
| .restart = orion5x_restart, |
| MACHINE_END |
