/* * arch/arm/mach-orion5x/dns323-setup.c * * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser 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 <asm/mach-types.h> #include <asm/gpio.h> #include <asm/mach/arch.h> #include <asm/mach/pci.h> #include <mach/orion5x.h> #include "common.h" #include "mpp.h" #define DNS323_GPIO_LED_RIGHT_AMBER 1 #define DNS323_GPIO_LED_LEFT_AMBER 2 #define DNS323_GPIO_LED_POWER 5 #define DNS323_GPIO_OVERTEMP 6 #define DNS323_GPIO_RTC 7 #define DNS323_GPIO_POWER_OFF 8 #define DNS323_GPIO_KEY_POWER 9 #define DNS323_GPIO_KEY_RESET 10 /**************************************************************************** * PCI setup */ static int __init dns323_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 dns323_pci __initdata = { .nr_controllers = 2, .swizzle = pci_std_swizzle, .setup = orion5x_pci_sys_setup, .scan = orion5x_pci_sys_scan_bus, .map_irq = dns323_pci_map_irq, }; static int __init dns323_pci_init(void) { if (machine_is_dns323()) pci_common_init(&dns323_pci); return 0; } subsys_initcall(dns323_pci_init); /**************************************************************************** * Ethernet */ static struct mv643xx_eth_platform_data dns323_eth_data = { .phy_addr = 8, }; /**************************************************************************** * 8MiB NOR flash (Spansion S29GL064M90TFIR4) * * Layout as used by D-Link: * 0x00000000-0x00010000 : "MTD1" * 0x00010000-0x00020000 : "MTD2" * 0x00020000-0x001a0000 : "Linux Kernel" * 0x001a0000-0x007d0000 : "File System" * 0x007d0000-0x00800000 : "u-boot" */ #define DNS323_NOR_BOOT_BASE 0xf4000000 #define DNS323_NOR_BOOT_SIZE SZ_8M static struct mtd_partition dns323_partitions[] = { { .name = "MTD1", .size = 0x00010000, .offset = 0, }, { .name = "MTD2", .size = 0x00010000, .offset = 0x00010000, }, { .name = "Linux Kernel", .size = 0x00180000, .offset = 0x00020000, }, { .name = "File System", .size = 0x00630000, .offset = 0x001A0000, }, { .name = "u-boot", .size = 0x00030000, .offset = 0x007d0000, }, }; static struct physmap_flash_data dns323_nor_flash_data = { .width = 1, .parts = dns323_partitions, .nr_parts = ARRAY_SIZE(dns323_partitions) }; static struct resource dns323_nor_flash_resource = { .flags = IORESOURCE_MEM, .start = DNS323_NOR_BOOT_BASE, .end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1, }; static struct platform_device dns323_nor_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &dns323_nor_flash_data, }, .resource = &dns323_nor_flash_resource, .num_resources = 1, }; /**************************************************************************** * GPIO LEDs (simple - doesn't use hardware blinking support) */ static struct gpio_led dns323_leds[] = { { .name = "power:blue", .gpio = DNS323_GPIO_LED_POWER, .active_low = 1, }, { .name = "right:amber", .gpio = DNS323_GPIO_LED_RIGHT_AMBER, .active_low = 1, }, { .name = "left:amber", .gpio = DNS323_GPIO_LED_LEFT_AMBER, .active_low = 1, }, }; static struct gpio_led_platform_data dns323_led_data = { .num_leds = ARRAY_SIZE(dns323_leds), .leds = dns323_leds, }; static struct platform_device dns323_gpio_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &dns323_led_data, }, }; /**************************************************************************** * GPIO Attached Keys */ static struct gpio_keys_button dns323_buttons[] = { { .code = KEY_RESTART, .gpio = DNS323_GPIO_KEY_RESET, .desc = "Reset Button", .active_low = 1, }, { .code = KEY_POWER, .gpio = DNS323_GPIO_KEY_POWER, .desc = "Power Button", .active_low = 1, }, }; static struct gpio_keys_platform_data dns323_button_data = { .buttons = dns323_buttons, .nbuttons = ARRAY_SIZE(dns323_buttons), }; static struct platform_device dns323_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev = { .platform_data = &dns323_button_data, }, }; /**************************************************************************** * General Setup */ static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = { { 0, MPP_PCIE_RST_OUTn }, { 1, MPP_GPIO }, /* right amber LED (sata ch0) */ { 2, MPP_GPIO }, /* left amber LED (sata ch1) */ { 3, MPP_UNUSED }, { 4, MPP_GPIO }, /* power button LED */ { 5, MPP_GPIO }, /* power button LED */ { 6, MPP_GPIO }, /* GMT G751-2f overtemp */ { 7, MPP_GPIO }, /* M41T80 nIRQ/OUT/SQW */ { 8, MPP_GPIO }, /* triggers power off */ { 9, MPP_GPIO }, /* power button switch */ { 10, MPP_GPIO }, /* reset button switch */ { 11, MPP_UNUSED }, { 12, MPP_UNUSED }, { 13, MPP_UNUSED }, { 14, MPP_UNUSED }, { 15, MPP_UNUSED }, { 16, MPP_UNUSED }, { 17, MPP_UNUSED }, { 18, MPP_UNUSED }, { 19, MPP_UNUSED }, { -1 }, }; /* * On the DNS-323 the following devices are attached via I2C: * * i2c addr | chip | description * 0x3e | GMT G760Af | fan speed PWM controller * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible) * 0x68 | ST M41T80 | RTC w/ alarm */ static struct i2c_board_info __initdata dns323_i2c_devices[] = { { I2C_BOARD_INFO("g760a", 0x3e), #if 0 /* this entry requires the new-style driver model lm75 driver, * for the meantime "insmod lm75.ko force_lm75=0,0x48" is needed */ }, { I2C_BOARD_INFO("g751", 0x48), #endif }, { I2C_BOARD_INFO("m41t80", 0x68), }, }; /* DNS-323 specific power off method */ static void dns323_power_off(void) { pr_info("%s: triggering power-off...\n", __func__); gpio_set_value(DNS323_GPIO_POWER_OFF, 1); } static void __init dns323_init(void) { /* Setup basic Orion functions. Need to be called early. */ orion5x_init(); orion5x_mpp_conf(dns323_mpp_modes); writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */ /* * Configure peripherals. */ orion5x_ehci0_init(); orion5x_eth_init(&dns323_eth_data); orion5x_i2c_init(); orion5x_uart0_init(); /* setup flash mapping * CS3 holds a 8 MB Spansion S29GL064M90TFIR4 */ orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE); platform_device_register(&dns323_nor_flash); platform_device_register(&dns323_gpio_leds); platform_device_register(&dns323_button_device); i2c_register_board_info(0, dns323_i2c_devices, ARRAY_SIZE(dns323_i2c_devices)); /* register dns323 specific power-off method */ if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 || gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0) pr_err("DNS323: failed to setup power-off GPIO\n"); pm_power_off = dns323_power_off; } /* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */ MACHINE_START(DNS323, "D-Link DNS-323") /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */ .phys_io = ORION5X_REGS_PHYS_BASE, .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, .boot_params = 0x00000100, .init_machine = dns323_init, .map_io = orion5x_map_io, .init_irq = orion5x_init_irq, .timer = &orion5x_timer, .fixup = tag_fixup_mem32, MACHINE_END