diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-n750.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-n750.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-n750.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-n750.c new file mode 100644 index 0000000..9d69dc5 --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-n750.c @@ -0,0 +1,226 @@ +/* + * WD My Net N750 board support + * + * Copyright (C) 2013 Felix Kaechele <felix@fetzig.org> + * Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/pci.h> +#include <linux/phy.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/ath9k_platform.h> +#include <linux/ar8216_platform.h> + +#include <asm/mach-ath79/ar71xx_regs.h> + +#include "common.h" +#include "dev-ap9x-pci.h" +#include "dev-eth.h" +#include "dev-gpio-buttons.h" +#include "dev-leds-gpio.h" +#include "dev-m25p80.h" +#include "dev-spi.h" +#include "dev-usb.h" +#include "dev-wmac.h" +#include "machtypes.h" +#include "nvram.h" + + +/* + * Taken from GPL bootloader source: + * board/ar7240/db12x/alpha_gpio.c + */ +#define MYNET_N750_GPIO_LED_WIFI 11 +#define MYNET_N750_GPIO_LED_INTERNET 12 +#define MYNET_N750_GPIO_LED_WPS 13 +#define MYNET_N750_GPIO_LED_POWER 14 + +#define MYNET_N750_GPIO_BTN_RESET 17 +#define MYNET_N750_GPIO_BTN_WPS 19 + +#define MYNET_N750_GPIO_EXTERNAL_LNA0 15 +#define MYNET_N750_GPIO_EXTERNAL_LNA1 18 + +#define MYNET_N750_KEYS_POLL_INTERVAL 20 /* msecs */ +#define MYNET_N750_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_N750_KEYS_POLL_INTERVAL) + +#define MYNET_N750_WMAC_CALDATA_OFFSET 0x1000 +#define MYNET_N750_PCIE_CALDATA_OFFSET 0x5000 + +#define MYNET_N750_NVRAM_ADDR 0x1f058010 +#define MYNET_N750_NVRAM_SIZE 0x7ff0 + +static struct gpio_led mynet_n750_leds_gpio[] __initdata = { + { + .name = "wd:blue:power", + .gpio = MYNET_N750_GPIO_LED_POWER, + .active_low = 0, + }, + { + .name = "wd:blue:wps", + .gpio = MYNET_N750_GPIO_LED_WPS, + .active_low = 0, + }, + { + .name = "wd:blue:wireless", + .gpio = MYNET_N750_GPIO_LED_WIFI, + .active_low = 0, + }, + { + .name = "wd:blue:internet", + .gpio = MYNET_N750_GPIO_LED_INTERNET, + .active_low = 0, + }, +}; + +static struct gpio_keys_button mynet_n750_gpio_keys[] __initdata = { + { + .desc = "Reset button", + .type = EV_KEY, + .code = KEY_RESTART, + .debounce_interval = MYNET_N750_KEYS_DEBOUNCE_INTERVAL, + .gpio = MYNET_N750_GPIO_BTN_RESET, + .active_low = 1, + }, + { + .desc = "WPS button", + .type = EV_KEY, + .code = KEY_WPS_BUTTON, + .debounce_interval = MYNET_N750_KEYS_DEBOUNCE_INTERVAL, + .gpio = MYNET_N750_GPIO_BTN_WPS, + .active_low = 1, + }, +}; + +static const struct ar8327_led_info mynet_n750_leds_ar8327[] __initconst = { + AR8327_LED_INFO(PHY0_0, HW, "wd:green:lan1"), + AR8327_LED_INFO(PHY1_0, HW, "wd:green:lan2"), + AR8327_LED_INFO(PHY2_0, HW, "wd:green:lan3"), + AR8327_LED_INFO(PHY3_0, HW, "wd:green:lan4"), + AR8327_LED_INFO(PHY4_0, HW, "wd:green:wan"), + AR8327_LED_INFO(PHY0_1, HW, "wd:yellow:lan1"), + AR8327_LED_INFO(PHY1_1, HW, "wd:yellow:lan2"), + AR8327_LED_INFO(PHY2_1, HW, "wd:yellow:lan3"), + AR8327_LED_INFO(PHY3_1, HW, "wd:yellow:lan4"), + AR8327_LED_INFO(PHY4_1, HW, "wd:yellow:wan"), +}; + +static struct ar8327_pad_cfg mynet_n750_ar8327_pad0_cfg = { + .mode = AR8327_PAD_MAC_RGMII, + .txclk_delay_en = true, + .rxclk_delay_en = true, + .txclk_delay_sel = AR8327_CLK_DELAY_SEL1, + .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2, +}; + +static struct ar8327_led_cfg mynet_n750_ar8327_led_cfg = { + .led_ctrl0 = 0xcc35cc35, + .led_ctrl1 = 0xca35ca35, + .led_ctrl2 = 0xc935c935, + .led_ctrl3 = 0x03ffff00, + .open_drain = false, +}; + +static struct ar8327_platform_data mynet_n750_ar8327_data = { + .pad0_cfg = &mynet_n750_ar8327_pad0_cfg, + .port0_cfg = { + .force_link = 1, + .speed = AR8327_PORT_SPEED_1000, + .duplex = 1, + .txpause = 1, + .rxpause = 1, + }, + .led_cfg = &mynet_n750_ar8327_led_cfg, + .num_leds = ARRAY_SIZE(mynet_n750_leds_ar8327), + .leds = mynet_n750_leds_ar8327, +}; + +static struct mdio_board_info mynet_n750_mdio0_info[] = { + { + .bus_id = "ag71xx-mdio.0", + .phy_addr = 0, + .platform_data = &mynet_n750_ar8327_data, + }, +}; + +static void mynet_n750_get_mac(const char *name, char *mac) +{ + u8 *nvram = (u8 *) KSEG1ADDR(MYNET_N750_NVRAM_ADDR); + int err; + + err = ath79_nvram_parse_mac_addr(nvram, MYNET_N750_NVRAM_SIZE, + name, mac); + if (err) + pr_err("no MAC address found for %s\n", name); +} + +/* + * The bootloader on this board powers down all PHYs on the switch + * before booting the kernel. We bring all PHYs back up so that they are + * discoverable by the mdio bus scan and the switch is detected + * correctly. + */ +static void mynet_n750_mdio_fixup(struct mii_bus *bus) +{ + int i; + + for (i = 0; i < 5; i++) + bus->write(bus, i, MII_BMCR, + (BMCR_RESET | BMCR_ANENABLE | BMCR_SPEED1000)); + + mdelay(1000); +} + +static void __init mynet_n750_setup(void) +{ + u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); + u8 tmpmac[ETH_ALEN]; + + ath79_register_m25p80(NULL); + ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_n750_leds_gpio), + mynet_n750_leds_gpio); + ath79_register_gpio_keys_polled(-1, MYNET_N750_KEYS_POLL_INTERVAL, + ARRAY_SIZE(mynet_n750_gpio_keys), + mynet_n750_gpio_keys); + /* + * Control signal for external LNAs 0 and 1 + * Taken from GPL bootloader source: + * board/ar7240/db12x/alpha_gpio.c + */ + ath79_wmac_set_ext_lna_gpio(0, MYNET_N750_GPIO_EXTERNAL_LNA0); + ath79_wmac_set_ext_lna_gpio(1, MYNET_N750_GPIO_EXTERNAL_LNA1); + + mynet_n750_get_mac("wlan24mac=", tmpmac); + ath79_register_wmac(art + MYNET_N750_WMAC_CALDATA_OFFSET, tmpmac); + + mynet_n750_get_mac("wlan5mac=", tmpmac); + ap91_pci_init(art + MYNET_N750_PCIE_CALDATA_OFFSET, tmpmac); + + ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0); + + mdiobus_register_board_info(mynet_n750_mdio0_info, + ARRAY_SIZE(mynet_n750_mdio0_info)); + + ath79_mdio0_data.reset = mynet_n750_mdio_fixup; + ath79_register_mdio(0, 0x0); + + mynet_n750_get_mac("lanmac=", ath79_eth0_data.mac_addr); + + /* GMAC0 is connected to an AR8327N switch */ + ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; + ath79_eth0_data.phy_mask = BIT(0); + ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev; + ath79_eth0_pll_data.pll_1000 = 0x06000000; + ath79_register_eth(0); + + ath79_register_usb(); +} + +MIPS_MACHINE(ATH79_MACH_MYNET_N750, "MYNET-N750", "WD My Net N750", + mynet_n750_setup); |