ar71xx: enable flow control for ethernet MACs with built-in switch
[openwrt/staging/wigyori.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-wnr2000-v4.c
index d8437dce4dbd7e40b5e9226a5e6c5fb537c7c185..c5159a30ca304bd41521ac592ca25a9db4a7220d 100644 (file)
@@ -1,8 +1,9 @@
 /*
  *  NETGEAR WNR2000v4 board support
  *
- *  Copytight (C) 2014 Michaël Burtin <mburtin@gmail.com>
- *  Copytight (C) 2013 Mathieu Olivari <mathieu.olivari@gmail.com>
+ *  Copyright (C) 2015 Michael Bazzinotti <mbazzinotti@gmail.com>
+ *  Copyright (C) 2014 Michaël Burtin <mburtin@gmail.com>
+ *  Copyright (C) 2013 Mathieu Olivari <mathieu.olivari@gmail.com>
  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *  Copyright (C) 2008-2009 Andy Boyett <agb@openwrt.org>
 #include "machtypes.h"
 
 /* AR9341 GPIOs */
-#define WNR2000V4_GPIO_LED_WAN_AMBER   22
-#define WNR2000V4_GPIO_LED_WAN_GREEN   17
-#define WNR2000V4_GPIO_LED_WPS 2
-#define WNR2000V4_GPIO_LED_WLAN 12
-#define WNR2000V4_GPIO_LED_LAN1 18
-#define WNR2000V4_GPIO_LED_LAN2 19
-#define WNR2000V4_GPIO_LED_LAN3 20
-#define WNR2000V4_GPIO_LED_LAN4 21
-#define STATUS_LED_GPIO         1
-#define WNR2000V4_GPIO_LED_PWR_GREEN    0
-
-#define WNR2000V4_GPIO_BTN_WPS      3
-#define WNR2000V4_GPIO_BTN_RESET    4
-#define WNR2000V4_GPIO_BTN_WLAN     11
-
-#define WNR2000V4_KEYS_POLL_INTERVAL   20      /* msecs */
-#define WNR2000V4_KEYS_DEBOUNCE_INTERVAL       (3 * WNR2000V4_KEYS_POLL_INTERVAL)
-
-#define WNR2000V4_MAC0_OFFSET          0
-#define WNR2000V4_MAC1_OFFSET          6
+#define WNR2000V4_GPIO_LED_PWR_GREEN      0
+#define WNR2000V4_GPIO_LED_PWR_AMBER      1
+#define WNR2000V4_GPIO_LED_WPS            2
+#define WNR2000V4_GPIO_LED_WLAN           12
+#define WNR2000V4_GPIO_LED_LAN1_GREEN     13
+#define WNR2000V4_GPIO_LED_LAN2_GREEN     14
+#define WNR2000V4_GPIO_LED_LAN3_GREEN     15
+#define WNR2000V4_GPIO_LED_LAN4_GREEN     16
+#define WNR2000V4_GPIO_LED_LAN1_AMBER     18
+#define WNR2000V4_GPIO_LED_LAN2_AMBER     19
+#define WNR2000V4_GPIO_LED_LAN3_AMBER     20
+#define WNR2000V4_GPIO_LED_LAN4_AMBER     21
+#define WNR2000V4_GPIO_LED_WAN_GREEN      17
+#define WNR2000V4_GPIO_LED_WAN_AMBER      22
+/* Buttons */
+#define WNR2000V4_GPIO_BTN_WPS            3
+#define WNR2000V4_GPIO_BTN_RESET          4
+#define WNR2000V4_GPIO_BTN_WLAN           11
+#define WNR2000V4_KEYS_POLL_INTERVAL      20      /* msecs */
+#define WNR2000V4_KEYS_DEBOUNCE_INTERVAL  (3 * WNR2000V4_KEYS_POLL_INTERVAL)
+
+
+/* ART offsets */
+#define WNR2000V4_MAC0_OFFSET             0       /* WAN/WLAN0 MAC   */
+#define WNR2000V4_MAC1_OFFSET             6       /* Eth-switch0 MAC */
 
 static struct gpio_led wnr2000v4_leds_gpio[] __initdata = {
        {
-               .name           = "wnr2000-v4:green:power",
+               .name           = "netgear:green:power",
                .gpio           = WNR2000V4_GPIO_LED_PWR_GREEN,
                .active_low     = 1,
-        .default_trigger = "default-on",
-       }, {
-               .name           = "wnr2000-v4:green:wan",
-               .gpio           = WNR2000V4_GPIO_LED_WAN_AMBER,
+               .default_trigger = "default-on",
+       },
+       {
+               .name           = "netgear:amber:status",
+               .gpio           = WNR2000V4_GPIO_LED_PWR_AMBER,
                .active_low     = 1,
        },
        {
-               .name           = "wnr2000-v4:green:wps",
-               .gpio           = WNR2000V4_GPIO_LED_WPS,
+               .name           = "netgear:green:wan",
+               .gpio           = WNR2000V4_GPIO_LED_WAN_GREEN,
                .active_low     = 1,
        },
        {
-               .name           = "wnr2000-v4:amber:status",
-               .gpio           = STATUS_LED_GPIO,
+               .name           = "netgear:amber:wan",
+               .gpio           = WNR2000V4_GPIO_LED_WAN_AMBER,
                .active_low     = 1,
        },
        {
-               .name           = "wnr2000-v4:blue:wlan",
+               .name           = "netgear:blue:wlan",
                .gpio           = WNR2000V4_GPIO_LED_WLAN,
                .active_low     = 1,
        },
+       /* LAN LEDS */
+       {
+               .name           = "netgear:green:lan1",
+               .gpio           = WNR2000V4_GPIO_LED_LAN1_GREEN,
+               .active_low     = 1,
+       },
        {
-               .name           = "wnr2000-v4:amber:lan1",
-               .gpio           = WNR2000V4_GPIO_LED_LAN1,
+               .name           = "netgear:green:lan2",
+               .gpio           = WNR2000V4_GPIO_LED_LAN2_GREEN,
                .active_low     = 1,
-       }, {
-               .name           = "wnr2000-v4:amber:lan2",
-               .gpio           = WNR2000V4_GPIO_LED_LAN2,
+       },
+       {
+               .name           = "netgear:green:lan3",
+               .gpio           = WNR2000V4_GPIO_LED_LAN3_GREEN,
                .active_low     = 1,
-       }, {
-               .name           = "wnr2000-v4:amber:lan3",
-               .gpio           = WNR2000V4_GPIO_LED_LAN3,
+       },
+       {
+               .name           = "netgear:green:lan4",
+               .gpio           = WNR2000V4_GPIO_LED_LAN4_GREEN,
+               .active_low     = 1,
+       },
+       {
+               .name           = "netgear:amber:lan1",
+               .gpio           = WNR2000V4_GPIO_LED_LAN1_AMBER,
+               .active_low     = 1,
+       },
+       {
+               .name           = "netgear:amber:lan2",
+               .gpio           = WNR2000V4_GPIO_LED_LAN2_AMBER,
+               .active_low     = 1,
+       },
+       {
+               .name           = "netgear:amber:lan3",
+               .gpio           = WNR2000V4_GPIO_LED_LAN3_AMBER,
+               .active_low     = 1,
+       },
+       {
+               .name           = "netgear:amber:lan4",
+               .gpio           = WNR2000V4_GPIO_LED_LAN4_AMBER,
                .active_low     = 1,
-       }, {
-               .name           = "wnr2000-v4:amber:lan4",
-               .gpio           = WNR2000V4_GPIO_LED_LAN4,
+       },
+       {
+               .name           = "netgear:green:wps",
+               .gpio           = WNR2000V4_GPIO_LED_WPS,
                .active_low     = 1,
-       }
+       },
 };
 
 static struct gpio_keys_button wnr2000v4_gpio_keys[] __initdata = {
@@ -102,6 +138,7 @@ static struct gpio_keys_button wnr2000v4_gpio_keys[] __initdata = {
                .code           = KEY_WPS_BUTTON,
                .debounce_interval = WNR2000V4_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = WNR2000V4_GPIO_BTN_WPS,
+               .active_low     = 1,
        },
        {
                .desc           = "Reset button",
@@ -109,61 +146,63 @@ static struct gpio_keys_button wnr2000v4_gpio_keys[] __initdata = {
                .code           = KEY_RESTART,
                .debounce_interval = WNR2000V4_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = WNR2000V4_GPIO_BTN_RESET,
+               .active_low     = 1,
        },
        {
                .desc           = "WLAN button",
                .type           = EV_KEY,
-               .code           = KEY_WLAN,
+               .code           = KEY_RFKILL,
                .debounce_interval = WNR2000V4_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = WNR2000V4_GPIO_BTN_WLAN,
+               .active_low     = 1,
        },
 };
 
 static void __init wnr_common_setup(void)
 {
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
-       u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
-
-       ath79_register_m25p80(NULL);
-
-       ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE |
-                                  AR934X_ETH_CFG_SW_PHY_SWAP);
+       u8 *ee  = (u8 *) KSEG1ADDR(0x1fff1000);
 
        ath79_register_mdio(1, 0x0);
 
-       /* LAN */
-       ath79_init_mac(ath79_eth1_data.mac_addr, art+WNR2000V4_MAC0_OFFSET, 0);
+       ath79_register_usb();
 
-       /* GMAC1 is connected to the internal switch */
-       ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
-       ath79_register_eth(1);
+       ath79_register_m25p80(NULL);
 
-       /* WAN */
-       ath79_init_mac(ath79_eth0_data.mac_addr, art+WNR2000V4_MAC1_OFFSET, 0);
+       ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE);
 
-       /* GMAC0 is connected to the PHY0 of the internal switch */
+       ath79_init_mac(ath79_eth0_data.mac_addr, art+WNR2000V4_MAC0_OFFSET, 0);
+       ath79_init_mac(ath79_eth1_data.mac_addr, art+WNR2000V4_MAC1_OFFSET, 0);
+
+       /* GMAC0 is connected to the PHY0 of the internal switch, GE0 */
        ath79_switch_data.phy4_mii_en = 1;
        ath79_switch_data.phy_poll_mask = BIT(4);
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ath79_eth0_data.phy_mask = BIT(4);
        ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
-
-       ath79_eth0_data.speed = SPEED_100;
-       ath79_eth0_data.duplex = DUPLEX_FULL;
-
        ath79_register_eth(0);
 
-       /* WLAN */
-       ath79_register_wmac(ee, art+WNR2000V4_MAC0_OFFSET);
+       /* GMAC1 is connected to the internal switch, GE1 */
+       ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
+       ath79_register_eth(1);
 
-       /* USB */
-       ath79_register_usb();
+       ath79_register_wmac(ee, art);
 }
 
 static void __init wnr2000v4_setup(void)
 {
+       int i;
+
        wnr_common_setup();
 
+       /* Ensure no LED has an internal MUX signal, otherwise
+       control of LED could be lost... This is especially important
+       for most green LEDS (Eth,WAN).. who arrive in this function with
+       MUX signals set. */
+       for (i = 0; i < ARRAY_SIZE(wnr2000v4_leds_gpio); i++)
+               ath79_gpio_output_select(wnr2000v4_leds_gpio[i].gpio,
+                                       AR934X_GPIO_OUT_GPIO);
+
        ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2000v4_leds_gpio),
                                 wnr2000v4_leds_gpio);