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981e3b354a
This patch improves support for the device considerably. 1. The wifi didn't work in the initial release. This was because the WMAC of the AR9340 is not connected to the antennas. (However, it can pick up wifi signals, if they are strong enough!) Instead there's a dedicated AR9300 chip on the same board, which works. 2. Ethernet throughput is improved. iperf shows that the hardware can sustain more than 200Mbit/s and no longer drops any packages when the link is under load. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Patchwork: http://patchwork.openwrt.org/patch/4461/ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 38949
179 lines
4.7 KiB
C
179 lines
4.7 KiB
C
/*
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* WD My Net WI-FI Range Extender (Codename:Starfish db12x) board support
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*
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* Copyright (C) 2013 Christian Lamparter <chunkeey@googlemail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/pci.h>
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#include <linux/phy.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/ath9k_platform.h>
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#include <linux/ar8216_platform.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-ap9x-pci.h"
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#include "dev-eth.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-m25p80.h"
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#include "dev-spi.h"
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#include "dev-usb.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#include "nvram.h"
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#define MYNET_REXT_GPIO_LED_POWER 11
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#define MYNET_REXT_GPIO_LED_ETHERNET 12
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#define MYNET_REXT_GPIO_LED_WIFI 19
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#define MYNET_REXT_GPIO_LED_RF_QTY1 20
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#define MYNET_REXT_GPIO_LED_RF_QTY2 21
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#define MYNET_REXT_GPIO_LED_RF_QTY3 22
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#define MYNET_REXT_GPIO_BTN_RESET 13
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#define MYNET_REXT_GPIO_BTN_WPS 15
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#define MYNET_REXT_GPIO_SW_RF 14
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#define MYNET_REXT_GPIO_PHY_SWRST 16 /* disables Ethernet PHY */
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#define MYNET_REXT_GPIO_PHY_INT 17
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#define MYNET_REXT_GPIO_18 18
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#define MYNET_REXT_KEYS_POLL_INTERVAL 20 /* msecs */
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#define MYNET_REXT_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_REXT_KEYS_POLL_INTERVAL)
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#define MYNET_REXT_WMAC_CALDATA_OFFSET 0x1000
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#define MYNET_REXT_NVRAM_ADDR 0x1f7e0010
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#define MYNET_REXT_NVRAM_SIZE 0xfff0
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#define MYNET_REXT_ART_ADDR 0x1f7f0000
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static struct gpio_led mynet_rext_leds_gpio[] __initdata = {
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{
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.name = "wd:blue:power",
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.gpio = MYNET_REXT_GPIO_LED_POWER,
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.active_low = 0,
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},
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{
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.name = "wd:blue:wireless",
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.gpio = MYNET_REXT_GPIO_LED_WIFI,
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.active_low = 1,
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},
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{
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.name = "wd:blue:ethernet",
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.gpio = MYNET_REXT_GPIO_LED_ETHERNET,
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.active_low = 1,
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},
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{
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.name = "wd:blue:quality1",
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.gpio = MYNET_REXT_GPIO_LED_RF_QTY1,
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.active_low = 1,
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},
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{
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.name = "wd:blue:quality2",
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.gpio = MYNET_REXT_GPIO_LED_RF_QTY2,
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.active_low = 1,
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},
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{
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.name = "wd:blue:quality3",
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.gpio = MYNET_REXT_GPIO_LED_RF_QTY3,
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.active_low = 1,
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},
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};
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static struct gpio_keys_button mynet_rext_gpio_keys[] __initdata = {
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{
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.desc = "Reset button",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
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.gpio = MYNET_REXT_GPIO_BTN_RESET,
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.active_low = 1,
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},
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{
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.desc = "WPS button",
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.type = EV_KEY,
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.code = KEY_WPS_BUTTON,
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.debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
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.gpio = MYNET_REXT_GPIO_BTN_WPS,
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.active_low = 1,
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},
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{
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.desc = "RF Band switch",
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.type = EV_SW,
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.code = BTN_1,
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.debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
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.gpio = MYNET_REXT_GPIO_SW_RF,
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},
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};
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static void mynet_rext_get_mac(const char *name, char *mac)
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{
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u8 *nvram = (u8 *) KSEG1ADDR(MYNET_REXT_NVRAM_ADDR);
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int err;
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err = ath79_nvram_parse_mac_addr(nvram, MYNET_REXT_NVRAM_SIZE,
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name, mac);
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if (err)
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pr_err("no MAC address found for %s\n", name);
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}
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static void __init mynet_rext_setup(void)
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{
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u8 *art = (u8 *) KSEG1ADDR(MYNET_REXT_ART_ADDR);
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u8 tmpmac[ETH_ALEN];
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ath79_register_m25p80(NULL);
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/* GPIO configuration from drivers/char/GPIO8.c */
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ath79_gpio_output_select(MYNET_REXT_GPIO_LED_POWER,
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AR934X_GPIO_OUT_GPIO);
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ath79_gpio_output_select(MYNET_REXT_GPIO_LED_WIFI,
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AR934X_GPIO_OUT_GPIO);
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ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY1,
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AR934X_GPIO_OUT_GPIO);
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ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY2,
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AR934X_GPIO_OUT_GPIO);
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ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY3,
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AR934X_GPIO_OUT_GPIO);
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ath79_gpio_output_select(MYNET_REXT_GPIO_LED_ETHERNET,
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AR934X_GPIO_OUT_GPIO);
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ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_rext_leds_gpio),
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mynet_rext_leds_gpio);
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ath79_register_gpio_keys_polled(-1, MYNET_REXT_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(mynet_rext_gpio_keys),
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mynet_rext_gpio_keys);
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ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
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AR934X_ETH_CFG_RXD_DELAY |
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AR934X_ETH_CFG_RDV_DELAY);
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ath79_register_mdio(0, 0x0);
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/* LAN */
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mynet_rext_get_mac("et0macaddr=", ath79_eth0_data.mac_addr);
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/* GMAC0 is connected to an external PHY on Port 4 */
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
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ath79_eth0_data.phy_mask = BIT(4);
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ath79_eth0_pll_data.pll_1000 = 0x0e000000; /* athrs_mac.c */
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ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
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ath79_register_eth(0);
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/* WLAN */
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mynet_rext_get_mac("wl0_hwaddr=", tmpmac);
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ap91_pci_init(art + MYNET_REXT_WMAC_CALDATA_OFFSET, tmpmac);
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}
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MIPS_MACHINE(ATH79_MACH_MYNET_REXT, "MYNET-REXT",
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"WD My Net Wi-Fi Range Extender", mynet_rext_setup);
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