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mt7981 compat gpy211 external flash

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gl-luochongjun 2022-12-08 19:17:46 +08:00 committed by niyin
parent 2f3e380c03
commit 252f472846
1 changed files with 45 additions and 0 deletions
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45
patches-mt798x-7.6.6.1/0403-compat-gpy211-external-flash.patch Normal file
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@ -0,0 +1,45 @@
From d36cae648736cb36e5b8b03aa8baa1788e503f71 Mon Sep 17 00:00:00 2001
From: gl-luochongjun <luochongjun@gl-inet.com>
Date: Thu, 8 Dec 2022 19:14:00 +0800
Subject: [PATCH] compat gpy211 external flash
---
.../mediatek/files-5.4/drivers/net/phy/gpy211.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/target/linux/mediatek/files-5.4/drivers/net/phy/gpy211.c b/target/linux/mediatek/files-5.4/drivers/net/phy/gpy211.c
index 4ac83b34c1..3023edb5a1 100644
--- a/target/linux/mediatek/files-5.4/drivers/net/phy/gpy211.c
+++ b/target/linux/mediatek/files-5.4/drivers/net/phy/gpy211.c
@@ -2,6 +2,7 @@
#include <linux/bitfield.h>
#include <linux/module.h>
#include <linux/phy.h>
+#include <linux/delay.h>
static int gpy211_phy_config_init(struct phy_device *phydev)
{
@@ -10,10 +11,19 @@ static int gpy211_phy_config_init(struct phy_device *phydev)
int gpy211_phy_probe(struct phy_device *phydev)
{
+ int i;
int sgmii_reg = phy_read_mmd(phydev, MDIO_MMD_VEND1, 8);
+ //GPY211 with external flash requires at least 750ms to wait for mdio ready, here 1000ms
+ for(i=0;i<1000;i++){
+ if( sgmii_reg > 0 )
+ break;
+ usleep_range(1000,1001);
+ sgmii_reg = phy_read_mmd(phydev, MDIO_MMD_VEND1, 8);
+ }
+
/* enable 2.5G SGMII rate adaption */
- phy_write_mmd(phydev, MDIO_MMD_VEND1, 8, 0x24e2);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, 8, 0xa4fa);
return 0;
}
--
2.25.1