From 76a4c93f9dcafc0efd6f825fbd40eb4a2e53d456 Mon Sep 17 00:00:00 2001 From: Etienne Champetier Date: Sat, 13 Jul 2019 19:43:28 -0700 Subject: [PATCH] ar71xx: enable SGMII fixup on Mikrotik wAP AC fixes intermittent loss of connectivity on 1Gbit port, with log message: > 803x_aneg_done: SGMII link is not ok Thanks to David Bauer for pointing me in the right direction. I just had to figure out the right bus_id, which you find in this log: > ag71xx ag71xx.1: connected to PHY at gpio-1:00 [uid=004dd074, driver=Atheros 8031 ethernet] Fixes FS#2236 Signed-off-by: Etienne Champetier [Wrapped commit message - Fixed whitespace erors] Signed-off-by: David Bauer (cherry picked from commit 2a7519e29d6cbbe1eb73623ef35add0ef596fb5f) --- .../ar71xx/files/arch/mips/ath79/mach-rbspi.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rbspi.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rbspi.c index 96511a4080..6bb42c78e3 100644 --- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rbspi.c +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rbspi.c @@ -512,6 +512,18 @@ static struct platform_device rbwapgsc_phy_device = { }, }; +static struct at803x_platform_data rbwapgsc_at803x_data = { + .override_sgmii_aneg = 1, +}; + +static struct mdio_board_info rbwapgsc_mdio_info[] = { + { + .bus_id = "gpio-1", + .mdio_addr = RBWAPGSC_MDIO_PHYADDR, + .platform_data = &rbwapgsc_at803x_data, + }, +}; + /* RB911L GPIOs */ #define RB911L_GPIO_BTN_RESET 15 #define RB911L_GPIO_LED_1 13 @@ -1106,10 +1118,14 @@ static void __init rbwapgsc_setup(void) platform_device_register(&rbwapgsc_phy_device); + mdiobus_register_board_info(rbwapgsc_mdio_info, + ARRAY_SIZE(rbwapgsc_mdio_info)); + ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 0); ath79_eth1_data.mii_bus_dev = &rbwapgsc_phy_device.dev; ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII; ath79_eth1_data.phy_mask = BIT(RBWAPGSC_MDIO_PHYADDR); + ath79_eth1_data.enable_sgmii_fixup = 1; ath79_eth1_pll_data.pll_1000 = 0x03000101; ath79_eth1_pll_data.pll_100 = 0x80000101; ath79_eth1_pll_data.pll_10 = 0x80001313; -- 2.30.2