diff options
Diffstat (limited to 'arch/arm/mach-orion5x/mss2-setup.c')
| -rw-r--r-- | arch/arm/mach-orion5x/mss2-setup.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/mss2-setup.c b/arch/arm/mach-orion5x/mss2-setup.c new file mode 100644 index 00000000..65faaa34 --- /dev/null +++ b/arch/arm/mach-orion5x/mss2-setup.c @@ -0,0 +1,272 @@ +/* + * 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 |