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263 lines
5.8 KiB
263 lines
5.8 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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// arch/arm/mach-orion5x/wrt350n-v2-setup.c |
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#include <linux/gpio.h> |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/platform_device.h> |
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#include <linux/pci.h> |
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#include <linux/irq.h> |
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#include <linux/delay.h> |
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#include <linux/mtd/physmap.h> |
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#include <linux/mv643xx_eth.h> |
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#include <linux/ethtool.h> |
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#include <linux/leds.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/input.h> |
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#include <linux/platform_data/dsa.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/pci.h> |
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#include "orion5x.h" |
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#include "common.h" |
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#include "mpp.h" |
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/* |
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* LEDs attached to GPIO |
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*/ |
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static struct gpio_led wrt350n_v2_led_pins[] = { |
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{ |
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.name = "wrt350nv2:green:power", |
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.gpio = 0, |
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.active_low = 1, |
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}, { |
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.name = "wrt350nv2:green:security", |
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.gpio = 1, |
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.active_low = 1, |
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}, { |
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.name = "wrt350nv2:orange:power", |
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.gpio = 5, |
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.active_low = 1, |
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}, { |
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.name = "wrt350nv2:green:usb", |
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.gpio = 6, |
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.active_low = 1, |
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}, { |
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.name = "wrt350nv2:green:wireless", |
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.gpio = 7, |
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.active_low = 1, |
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}, |
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}; |
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static struct gpio_led_platform_data wrt350n_v2_led_data = { |
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.leds = wrt350n_v2_led_pins, |
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.num_leds = ARRAY_SIZE(wrt350n_v2_led_pins), |
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}; |
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static struct platform_device wrt350n_v2_leds = { |
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.name = "leds-gpio", |
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.id = -1, |
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.dev = { |
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.platform_data = &wrt350n_v2_led_data, |
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}, |
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}; |
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/* |
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* Buttons attached to GPIO |
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*/ |
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static struct gpio_keys_button wrt350n_v2_buttons[] = { |
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{ |
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.code = KEY_RESTART, |
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.gpio = 3, |
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.desc = "Reset Button", |
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.active_low = 1, |
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}, { |
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.code = KEY_WPS_BUTTON, |
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.gpio = 2, |
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.desc = "WPS Button", |
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.active_low = 1, |
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}, |
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}; |
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static struct gpio_keys_platform_data wrt350n_v2_button_data = { |
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.buttons = wrt350n_v2_buttons, |
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.nbuttons = ARRAY_SIZE(wrt350n_v2_buttons), |
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}; |
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static struct platform_device wrt350n_v2_button_device = { |
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.name = "gpio-keys", |
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.id = -1, |
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.num_resources = 0, |
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.dev = { |
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.platform_data = &wrt350n_v2_button_data, |
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}, |
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}; |
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/* |
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* General setup |
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*/ |
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static unsigned int wrt350n_v2_mpp_modes[] __initdata = { |
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MPP0_GPIO, /* Power LED green (0=on) */ |
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MPP1_GPIO, /* Security LED (0=on) */ |
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MPP2_GPIO, /* Internal Button (0=on) */ |
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MPP3_GPIO, /* Reset Button (0=on) */ |
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MPP4_GPIO, /* PCI int */ |
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MPP5_GPIO, /* Power LED orange (0=on) */ |
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MPP6_GPIO, /* USB LED (0=on) */ |
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MPP7_GPIO, /* Wireless LED (0=on) */ |
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MPP8_UNUSED, /* ??? */ |
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MPP9_GIGE, /* GE_RXERR */ |
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MPP10_UNUSED, /* ??? */ |
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MPP11_UNUSED, /* ??? */ |
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MPP12_GIGE, /* GE_TXD[4] */ |
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MPP13_GIGE, /* GE_TXD[5] */ |
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MPP14_GIGE, /* GE_TXD[6] */ |
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MPP15_GIGE, /* GE_TXD[7] */ |
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MPP16_GIGE, /* GE_RXD[4] */ |
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MPP17_GIGE, /* GE_RXD[5] */ |
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MPP18_GIGE, /* GE_RXD[6] */ |
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MPP19_GIGE, /* GE_RXD[7] */ |
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0, |
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}; |
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/* |
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* 8M NOR flash Device bus boot chip select |
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*/ |
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#define WRT350N_V2_NOR_BOOT_BASE 0xf4000000 |
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#define WRT350N_V2_NOR_BOOT_SIZE SZ_8M |
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static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = { |
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{ |
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.name = "kernel", |
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.offset = 0x00000000, |
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.size = 0x00760000, |
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}, { |
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.name = "rootfs", |
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.offset = 0x001a0000, |
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.size = 0x005c0000, |
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}, { |
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.name = "lang", |
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.offset = 0x00760000, |
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.size = 0x00040000, |
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}, { |
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.name = "nvram", |
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.offset = 0x007a0000, |
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.size = 0x00020000, |
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}, { |
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.name = "u-boot", |
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.offset = 0x007c0000, |
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.size = 0x00040000, |
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}, |
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}; |
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static struct physmap_flash_data wrt350n_v2_nor_flash_data = { |
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.width = 1, |
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.parts = wrt350n_v2_nor_flash_partitions, |
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.nr_parts = ARRAY_SIZE(wrt350n_v2_nor_flash_partitions), |
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}; |
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static struct resource wrt350n_v2_nor_flash_resource = { |
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.flags = IORESOURCE_MEM, |
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.start = WRT350N_V2_NOR_BOOT_BASE, |
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.end = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1, |
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}; |
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static struct platform_device wrt350n_v2_nor_flash = { |
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.name = "physmap-flash", |
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.id = 0, |
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.dev = { |
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.platform_data = &wrt350n_v2_nor_flash_data, |
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}, |
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.num_resources = 1, |
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.resource = &wrt350n_v2_nor_flash_resource, |
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}; |
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static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = { |
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.phy_addr = MV643XX_ETH_PHY_NONE, |
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.speed = SPEED_1000, |
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.duplex = DUPLEX_FULL, |
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}; |
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static struct dsa_chip_data wrt350n_v2_switch_chip_data = { |
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.port_names[0] = "lan2", |
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.port_names[1] = "lan1", |
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.port_names[2] = "wan", |
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.port_names[3] = "cpu", |
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.port_names[5] = "lan3", |
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.port_names[7] = "lan4", |
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}; |
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static void __init wrt350n_v2_init(void) |
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{ |
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/* |
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* Setup basic Orion functions. Need to be called early. |
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*/ |
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orion5x_init(); |
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orion5x_mpp_conf(wrt350n_v2_mpp_modes); |
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/* |
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* Configure peripherals. |
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*/ |
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orion5x_ehci0_init(); |
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orion5x_eth_init(&wrt350n_v2_eth_data); |
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orion5x_eth_switch_init(&wrt350n_v2_switch_chip_data); |
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orion5x_uart0_init(); |
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mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, |
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ORION_MBUS_DEVBUS_BOOT_ATTR, |
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WRT350N_V2_NOR_BOOT_BASE, |
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WRT350N_V2_NOR_BOOT_SIZE); |
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platform_device_register(&wrt350n_v2_nor_flash); |
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platform_device_register(&wrt350n_v2_leds); |
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platform_device_register(&wrt350n_v2_button_device); |
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} |
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static int __init wrt350n_v2_pci_map_irq(const struct pci_dev *dev, u8 slot, |
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u8 pin) |
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{ |
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int irq; |
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/* |
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* Check for devices with hard-wired IRQs. |
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*/ |
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irq = orion5x_pci_map_irq(dev, slot, pin); |
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if (irq != -1) |
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return irq; |
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/* |
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* Mini-PCI slot. |
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*/ |
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if (slot == 7) |
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return gpio_to_irq(4); |
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return -1; |
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} |
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static struct hw_pci wrt350n_v2_pci __initdata = { |
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.nr_controllers = 2, |
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.setup = orion5x_pci_sys_setup, |
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.scan = orion5x_pci_sys_scan_bus, |
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.map_irq = wrt350n_v2_pci_map_irq, |
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}; |
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static int __init wrt350n_v2_pci_init(void) |
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{ |
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if (machine_is_wrt350n_v2()) |
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pci_common_init(&wrt350n_v2_pci); |
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return 0; |
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} |
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subsys_initcall(wrt350n_v2_pci_init); |
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MACHINE_START(WRT350N_V2, "Linksys WRT350N v2") |
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/* Maintainer: Lennert Buytenhek <[email protected]> */ |
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.atag_offset = 0x100, |
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.nr_irqs = ORION5X_NR_IRQS, |
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.init_machine = wrt350n_v2_init, |
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.map_io = orion5x_map_io, |
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.init_early = orion5x_init_early, |
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.init_irq = orion5x_init_irq, |
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.init_time = orion5x_timer_init, |
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.fixup = tag_fixup_mem32, |
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.restart = orion5x_restart, |
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MACHINE_END
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