BPI R3 mtk_soc_eth driver shows no link-state, but SFP module does have a link-up

hvandrie · August 27, 2023, 9:00am

Thinking issue lies here in this piece of the code flow:

openwrt/openwrt/blob/main/target/linux/mediatek/files-5.15/drivers/net/phy/mediatek-2p5ge.c

// SPDX-License-Identifier: GPL-2.0+
#include <linux/bitfield.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/nvmem-consumer.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/pinctrl/consumer.h>
#include <linux/phy.h>

#define MEDAITEK_2P5GE_PHY_DMB_FW "mediatek/mediatek-2p5ge-phy-dmb.bin"
#define MEDIATEK_2P5GE_PHY_PMB_FW "mediatek/mediatek-2p5ge-phy-pmb.bin"

#define MD32_EN_CFG			0x18
#define   MD32_EN			BIT(0)

#define BASE100T_STATUS_EXTEND		0x10
#define BASE1000T_STATUS_EXTEND		0x11
#define EXTEND_CTRL_AND_STATUS		0x16

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