/* * Maxtor Shared Storage II Board Setup * * Maintainer: Sylver Bruneau * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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 = 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 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_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 */ .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