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authorGabor Juhos <juhosg@openwrt.org>2013-11-07 22:31:52 +0000
committerGabor Juhos <juhosg@openwrt.org>2013-11-07 22:31:52 +0000
commitece1323ed43aa8549d38ba123ca0ad88b95fa7f0 (patch)
tree7d3e2f00ff7740c9f111a0ee7803ba11d55bb3ec /target/linux/ar71xx/files/arch
parent5a85a21e061772188f4a3cdc76d451d98cc8ae57 (diff)
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ar71xx: add kernel support for the My Net Wi-Fi Range Extender device
This patch adds a new device definition for a Western Digital device. The hardware seems to be based on Qualcomm Atheros DB120 design. Patchwork: http://patchwork.openwrt.org/patch/4281/ Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> [juhosg: refresh kernel patch] Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 38686
Diffstat (limited to 'target/linux/ar71xx/files/arch')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-rext.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-rext.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-rext.c
new file mode 100644
index 0000000..d20dbe0
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-rext.c
@@ -0,0 +1,175 @@
+/*
+ * WD My Net WI-FI Range Extender (Codename:Starfish db12x) board support
+ *
+ * Copyright (C) 2013 Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * 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/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"
+
+#define MYNET_REXT_GPIO_LED_POWER 11
+#define MYNET_REXT_GPIO_LED_ETHERNET 12
+#define MYNET_REXT_GPIO_LED_WIFI 19
+
+#define MYNET_REXT_GPIO_LED_RF_QTY1 20
+#define MYNET_REXT_GPIO_LED_RF_QTY2 21
+#define MYNET_REXT_GPIO_LED_RF_QTY3 22
+
+#define MYNET_REXT_GPIO_BTN_RESET 13
+#define MYNET_REXT_GPIO_BTN_WPS 15
+#define MYNET_REXT_GPIO_SW_RF 14
+
+#define MYNET_REXT_GPIO_PHY_SWRST 16 /* disables Ethernet PHY */
+#define MYNET_REXT_GPIO_PHY_INT 17
+#define MYNET_REXT_GPIO_18 18
+
+#define MYNET_REXT_KEYS_POLL_INTERVAL 20 /* msecs */
+#define MYNET_REXT_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_REXT_KEYS_POLL_INTERVAL)
+
+#define MYNET_REXT_WMAC_CALDATA_OFFSET 0x1000
+
+#define MYNET_REXT_NVRAM_ADDR 0x1f7e0010
+#define MYNET_REXT_NVRAM_SIZE 0xfff0
+
+#define MYNET_REXT_ART_ADDR 0x1f7f0000
+
+static struct gpio_led mynet_rext_leds_gpio[] __initdata = {
+ {
+ .name = "wd:blue:power",
+ .gpio = MYNET_REXT_GPIO_LED_POWER,
+ .active_low = 0,
+ },
+ {
+ .name = "wd:blue:wireless",
+ .gpio = MYNET_REXT_GPIO_LED_WIFI,
+ .active_low = 1,
+ },
+ {
+ .name = "wd:blue:ethernet",
+ .gpio = MYNET_REXT_GPIO_LED_ETHERNET,
+ .active_low = 1,
+ },
+ {
+ .name = "wd:blue:quality1",
+ .gpio = MYNET_REXT_GPIO_LED_RF_QTY1,
+ .active_low = 1,
+ },
+ {
+ .name = "wd:blue:quality2",
+ .gpio = MYNET_REXT_GPIO_LED_RF_QTY2,
+ .active_low = 1,
+ },
+ {
+ .name = "wd:blue:quality3",
+ .gpio = MYNET_REXT_GPIO_LED_RF_QTY3,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_button mynet_rext_gpio_keys[] __initdata = {
+ {
+ .desc = "Reset button",
+ .type = EV_KEY,
+ .code = KEY_RESTART,
+ .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
+ .gpio = MYNET_REXT_GPIO_BTN_RESET,
+ .active_low = 1,
+ },
+ {
+ .desc = "WPS button",
+ .type = EV_KEY,
+ .code = KEY_WPS_BUTTON,
+ .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
+ .gpio = MYNET_REXT_GPIO_BTN_WPS,
+ .active_low = 1,
+ },
+ {
+ .desc = "RF Band switch",
+ .type = EV_SW,
+ .code = BTN_1,
+ .debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
+ .gpio = MYNET_REXT_GPIO_SW_RF,
+ },
+};
+
+static void mynet_rext_get_mac(const char *name, char *mac)
+{
+ u8 *nvram = (u8 *) KSEG1ADDR(MYNET_REXT_NVRAM_ADDR);
+ int err;
+
+ err = ath79_nvram_parse_mac_addr(nvram, MYNET_REXT_NVRAM_SIZE,
+ name, mac);
+ if (err)
+ pr_err("no MAC address found for %s\n", name);
+}
+
+static void __init mynet_rext_setup(void)
+{
+ u8 *art = (u8 *) KSEG1ADDR(MYNET_REXT_ART_ADDR);
+ u8 tmpmac[ETH_ALEN];
+
+ ath79_register_m25p80(NULL);
+
+ /* GPIO configuration from drivers/char/GPIO8.c */
+
+ ath79_gpio_output_select(MYNET_REXT_GPIO_LED_POWER,
+ AR934X_GPIO_OUT_GPIO);
+ ath79_gpio_output_select(MYNET_REXT_GPIO_LED_WIFI,
+ AR934X_GPIO_OUT_GPIO);
+ ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY1,
+ AR934X_GPIO_OUT_GPIO);
+ ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY2,
+ AR934X_GPIO_OUT_GPIO);
+ ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY3,
+ AR934X_GPIO_OUT_GPIO);
+ ath79_gpio_output_select(MYNET_REXT_GPIO_LED_ETHERNET,
+ AR934X_GPIO_OUT_GPIO);
+ ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_rext_leds_gpio),
+ mynet_rext_leds_gpio);
+
+ ath79_register_gpio_keys_polled(-1, MYNET_REXT_KEYS_POLL_INTERVAL,
+ ARRAY_SIZE(mynet_rext_gpio_keys),
+ mynet_rext_gpio_keys);
+
+ mynet_rext_get_mac("wl0_hwaddr=", tmpmac);
+ ath79_register_wmac(art + MYNET_REXT_WMAC_CALDATA_OFFSET, tmpmac);
+
+ ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
+
+ ath79_register_mdio(0, 0x0);
+
+ /* LAN */
+ mynet_rext_get_mac("et0macaddr=", ath79_eth0_data.mac_addr);
+
+ /* GMAC0 is connected to an external PHY on Port 4 */
+ ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+ ath79_eth0_data.phy_mask = BIT(4);
+ ath79_eth0_pll_data.pll_1000 = 0x0e000000; /* athrs_mac.c */
+ ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
+ ath79_register_eth(0);
+}
+
+MIPS_MACHINE(ATH79_MACH_MYNET_REXT, "MYNET-REXT",
+ "WD My Net Wi-Fi Range Extender", mynet_rext_setup);