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eth: txhd2 resume eth0 link down [1/2]

Browse Source 
PD#SWPL-128836

Problem:
txhd2 resume eth0 down

Solution:
txhd2 use new pll

Verify:
be311

Change-Id: Iaf079569e3d25006aaa3dcd824658be383d35b9f
Signed-off-by: Zhuo Wang <zhuo.wang@amlogic.com>
This commit is contained in:
Zhuo Wang
2023-06-20 17:46:37 +08:00
committed by Dongjin Kim
parent 14aafb259d
commit 91ff73876a
2 changed files with 17 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
View File

@@ -646,14 +646,28 @@ static int dwmac_suspend(struct meson8b_dwmac *dwmac)
writel(0x00000000, phy_analog_config_addr + 0x10);
writel(0x031d161c, phy_analog_config_addr + 0x14);
writel(0x00001683, phy_analog_config_addr + 0x18);
writel(0x09c0040a, phy_analog_config_addr + 0x44);
if (phy_pll_mode == 1)
writel(0x608200a0, phy_analog_config_addr + 0x44);
else
writel(0x09c0040a, phy_analog_config_addr + 0x44);
return 0;
}
static void dwmac_resume(struct meson8b_dwmac *dwmac)
{
pr_info("recover analog\n");
writel(0x19c0040a, phy_analog_config_addr + 0x44);
if (phy_pll_mode == 1) {
writel(0x608200a0, phy_analog_config_addr + 0x44);
writel(0xea002000, phy_analog_config_addr + 0x48);
writel(0x00000150, phy_analog_config_addr + 0x4c);
writel(0x00000000, phy_analog_config_addr + 0x50);
writel(0x708200a0, phy_analog_config_addr + 0x44);
usleep_range(100, 200);
writel(0x508200a0, phy_analog_config_addr + 0x44);
writel(0x00000110, phy_analog_config_addr + 0x4c);
} else {
writel(0x19c0040a, phy_analog_config_addr + 0x44);
}
writel(0x0, phy_analog_config_addr + 0x4);
}

1
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
View File

@@ -23,6 +23,7 @@ int stmmac_pltfr_remove(struct platform_device *pdev);
extern const struct dev_pm_ops stmmac_pltfr_pm_ops;
#if IS_ENABLED(CONFIG_AMLOGIC_ETH_PRIVE)
extern void __iomem *phy_analog_config_addr;
extern unsigned int phy_pll_mode;
#endif
static inline void *get_stmmac_bsp_priv(struct device *dev)
{