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ipq50xx: update gephy debug register RW

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Signed-off-by: Vandhiadevan Karunamoorthy <vkarunam@codeaurora.org>
Change-Id: Id179a343a93b465941630ba6613930c29d5ffcdd
This commit is contained in:
Vandhiadevan Karunamoorthy 2021-05-21 15:43:05 +05:30
parent 235f540e47
commit b3de3b7abf
2 changed files with 22 additions and 11 deletions
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4
arch/arm/include/asm/arch-ipq5018/ipq5018_gmac.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -27,6 +27,8 @@
#define MPGE_PHY_MMD1_DAC_MASK 0xff00
#define PHY_DAC(val) (val<<8)
#define MPGE_PHY_DEBUG_EDAC 0x4380
#define QCA808X_DEBUG_PORT_ADDRESS 29
#define QCA808X_DEBUG_PORT_DATA 30
#define LINK_UP 0x400
#define LINK(_data) (_data & LINK_UP)? "Up" : "Down"

29
drivers/net/ipq5018/ipq5018_gmac.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -685,18 +685,27 @@ static void gephy_mdac_edac_config(ipq_gmac_board_cfg_t *gmac_cfg)
(phy_data | phy_dac)
);
mdelay(1);
/*set edac value*/
/*
|| set edac value debug register write follows indirect
|| adressing so first write address in port address and
|| write value in data register
*/
ipq5018_mdio_write(gmac_cfg->phy_addr,
QCA808X_DEBUG_PORT_ADDRESS,
MPGE_PHY_DEBUG_EDAC);
phy_data = ipq5018_mdio_read(
gmac_cfg->phy_addr,
MPGE_PHY_DEBUG_EDAC,
NULL
);
QCA808X_DEBUG_PORT_DATA,
NULL);
phy_data &= ~(MPGE_PHY_MMD1_DAC_MASK);
ipq5018_mdio_write(
gmac_cfg->phy_addr,
MPGE_PHY_DEBUG_EDAC,
(phy_data | phy_dac)
);
ipq5018_mdio_write(gmac_cfg->phy_addr,
QCA808X_DEBUG_PORT_ADDRESS,
MPGE_PHY_DEBUG_EDAC);
ipq5018_mdio_write(gmac_cfg->phy_addr,
QCA808X_DEBUG_PORT_DATA,
(phy_data | phy_dac));
mdelay(1);
}