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eth: c2 bringup [1/2]

Browse Source 
PD#SWPL-71869

Problem:
bringup c2 with 5.15

Solution:
bringup c2 with 5.15

Verify:
AF400_C305X_DEV#111

Signed-off-by: Zhuo Wang <zhuo.wang@amlogic.com>
Change-Id: I76a70d194e6c2f40d24c56547f814e775b207839
This commit is contained in:
Zhuo Wang
2022-02-17 11:44:09 +08:00
committed by Dongjin Kim
parent 5ef820f0c7
commit df720f81c1
3 changed files with 80 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/net/ethernet/stmicro/stmmac/Kconfig
View File

@@ -109,8 +109,7 @@ config DWMAC_MEDIATEK
config DWMAC_MESON
tristate "Amlogic Meson dwmac support"
default ARCH_MESON
depends on OF && COMMON_CLK && (ARCH_MESON || COMPILE_TEST)
depends on OF && COMMON_CLK
help
Support for Ethernet controller on Amlogic Meson SoCs.
@@ -118,6 +117,17 @@ config DWMAC_MESON
the stmmac device driver. This driver is used for Meson6,
Meson8, Meson8b and GXBB SoCs.
config AMLOGIC_ETH_PRIVE
tristate "Amlogic private ethernet code"
default n
depends on OF
help
Support for Ethernet controller on Amlogic Meson SoCs.
This selects the Amlogic Meson SoC glue layer support for
the stmmac device driver. This driver is used for amlogic
private driver.
config DWMAC_OXNAS
tristate "Oxford Semiconductor OXNAS dwmac support"
default ARCH_OXNAS

21
drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
View File

@@ -385,6 +385,23 @@ static int meson8b_init_prg_eth(struct meson8b_dwmac *dwmac)
return 0;
}
#ifdef CONFIG_AMLOGIC_ETH_PRIVE
static int aml_custom_setting(struct platform_device *pdev, struct meson8b_dwmac *dwmac)
{
struct device_node *np = pdev->dev.of_node;
unsigned int mc_val = 0;
pr_info("aml_cust_setting\n");
if (of_property_read_u32(np, "mc_val", &mc_val) == 0) {
pr_info("cover mc_val as 0x%x\n", mc_val);
writel(mc_val, dwmac->regs + PRG_ETH0);
}
return 0;
}
#endif
static int meson8b_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
@@ -484,7 +501,9 @@ static int meson8b_dwmac_probe(struct platform_device *pdev)
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret)
goto err_remove_config_dt;
#ifdef CONFIG_AMLOGIC_ETH_PRIVE
aml_custom_setting(pdev, dwmac);
#endif
return 0;
err_remove_config_dt:

49
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
View File

@@ -384,6 +384,51 @@ static int stmmac_of_get_mac_mode(struct device_node *np)
return -ENODEV;
}
#ifdef CONFIG_AMLOGIC_ETH_PRIVE
static int setup_aml_clk(struct platform_device *pdev)
{
struct clk *pipe_clk;
struct clk *gp_clk;
struct clk *gp_clk_mux;
struct clk *fix_clk_50m;
int rtn;
pipe_clk = devm_clk_get(&pdev->dev, "ethpipe");
if (IS_ERR(pipe_clk)) {
dev_warn(&pdev->dev, "Cannot get pipe line clock\n");
pipe_clk = NULL;
}
clk_prepare_enable(pipe_clk);
/*GP_MCLK2*/
gp_clk_mux = devm_clk_get(&pdev->dev, "gp_mclk2_mux");
if (IS_ERR(gp_clk_mux)) {
dev_warn(&pdev->dev, "Cannot get gp clock\n");
gp_clk_mux = NULL;
}
fix_clk_50m = devm_clk_get(&pdev->dev, "fixpll_50m");
if (IS_ERR(fix_clk_50m)) {
dev_warn(&pdev->dev, "Cannot get gp clock\n");
fix_clk_50m = NULL;
}
rtn = clk_set_parent(gp_clk_mux, fix_clk_50m);
gp_clk = devm_clk_get(&pdev->dev, "gp_mclk2");
if (IS_ERR(gp_clk)) {
dev_warn(&pdev->dev, "Cannot get gp clock\n");
gp_clk = NULL;
}
rtn = clk_set_rate(gp_clk, 50 * 1000 * 1000);
if (rtn)
pr_info("set gpclk error\n");
rtn = clk_prepare_enable(gp_clk);
if (rtn)
pr_info("enable gpclk error\n");
return rtn;
}
#endif
/**
* stmmac_probe_config_dt - parse device-tree driver parameters
* @pdev: platform_device structure
@@ -584,7 +629,9 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
}
clk_prepare_enable(plat->stmmac_clk);
}
#ifdef CONFIG_AMLOGIC_ETH_PRIVE
setup_aml_clk(pdev);
#endif
plat->pclk = devm_clk_get_optional(&pdev->dev, "pclk");
if (IS_ERR(plat->pclk)) {
ret = plat->pclk;