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ethernet: g12a/b exphy use autocali [1/1]

Browse Source 
PD#SWPL-10391

Problem:
g12b revA and revB need one code for two parameter

Solution:
if autocali in uboot, use autocali result
if no autocali,use the dts para

Verify:
verify on g12b w400 board,revA and revB

Change-Id: I4b48c67fba25eba4cb286470557ff0777009ec9f
Signed-off-by: qi duan <qi.duan@amlogic.com>
This commit is contained in:
qi duan
2019-07-09 08:27:45 -04:00
committed by Luan Yuan
parent 391be7395f
commit 16cb000f96
1 changed files with 23 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
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@@ -310,6 +310,7 @@ static void __iomem *g12a_network_interface_setup(struct platform_device *pdev)
void __iomem *REG_ETH_reg0_addr = NULL;
void __iomem *ETH_PHY_config_addr = NULL;
u32 internal_phy = 0;
int auto_cali_idx = -1;
is_internal_phy = 0;
pr_debug("g12a_network_interface_setup\n");
@@ -377,16 +378,28 @@ static void __iomem *g12a_network_interface_setup(struct platform_device *pdev)
/*config extern phy*/
if (internal_phy == 0) {
if (of_property_read_u32(np, "auto_cali_idx", &auto_cali_idx))
pr_info("read auto_cali_idx fail\n");
else
pr_info("auto_cali_idx %d\n", auto_cali_idx);
if (auto_cali_idx != -1 && auto_cali_idx < 64) {
external_tx_delay = 0;
if ((auto_cali_idx >= 16) && (auto_cali_idx <= 47))
mc_val = 0x1629;
else
mc_val = 0x1621;
if (auto_cali_idx >= 32)
external_rx_delay = 1;
else
external_rx_delay = 0;
writel(mc_val, REG_ETH_reg0_addr);
} else {
if (of_property_read_u32(np, "tx_delay", &external_tx_delay))
pr_debug("set exphy tx delay\n");
if (of_property_read_u32(np, "rx_delay", &external_rx_delay))
pr_debug("set exphy rx delay\n");
if (is_meson_g12b_cpu()) {
if (is_meson_rev_a()) {
external_rx_delay = 0;
external_tx_delay = 0;
writel(0x1621, REG_ETH_reg0_addr);
}
}
/* only exphy support wol since g12a*/
/*we enable/disable wol with item in dts with "wol=<1>"*/
@@ -406,11 +419,10 @@ static void __iomem *g12a_network_interface_setup(struct platform_device *pdev)
writel(cali_val, REG_ETH_reg0_addr +
REG_ETH_REG1_OFFSET);
if (is_meson_g12b_cpu()) {
if (is_meson_rev_a()) {
writel(0x10000, REG_ETH_reg0_addr +
REG_ETH_REG1_OFFSET);
}
if (auto_cali_idx != -1 && auto_cali_idx < 64) {
cali_val = ((auto_cali_idx % 16) << 16);
writel(cali_val, REG_ETH_reg0_addr +
REG_ETH_REG1_OFFSET);
}
pin_ctl = devm_pinctrl_get_select
(&pdev->dev, "external_eth_pins");