From: Fugang Duan fugang.duan@nxp.com
Implement the callbacks to get phy mode interface and txclk rate configuration.
Reviewed-by: Ye Li ye.li@nxp.com Signed-off-by: Fugang Duan fugang.duan@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com ---
V2: Fix build break
drivers/net/dwc_eth_qos.c | 55 ++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 52 insertions(+), 3 deletions(-)
diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 3cdc6f1ae9..15dae20e57 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -42,6 +42,10 @@ #include <asm/gpio.h> #include <asm/io.h> #include <eth_phy.h> +#ifdef CONFIG_ARCH_IMX8M +#include <asm/arch/clock.h> +#include <asm/mach-imx/sys_proto.h> +#endif
/* Core registers */
@@ -867,11 +871,19 @@ static ulong eqos_get_tick_clk_rate_stm32(struct udevice *dev) #endif }
-static ulong eqos_get_tick_clk_rate_imx(struct udevice *dev) +__weak u32 imx_get_eqos_csr_clk(void) { - /* TODO: retrieve from CSR clock */ return 100 * 1000000; } +__weak int imx_eqos_txclk_set_rate(unsigned long rate) +{ + return 0; +} + +static ulong eqos_get_tick_clk_rate_imx(struct udevice *dev) +{ + return imx_get_eqos_csr_clk(); +}
static int eqos_calibrate_pads_stm32(struct udevice *dev) { @@ -996,6 +1008,33 @@ static int eqos_set_tx_clk_speed_stm32(struct udevice *dev)
static int eqos_set_tx_clk_speed_imx(struct udevice *dev) { + struct eqos_priv *eqos = dev_get_priv(dev); + ulong rate; + int ret; + + debug("%s(dev=%p):\n", __func__, dev); + + switch (eqos->phy->speed) { + case SPEED_1000: + rate = 125 * 1000 * 1000; + break; + case SPEED_100: + rate = 25 * 1000 * 1000; + break; + case SPEED_10: + rate = 2.5 * 1000 * 1000; + break; + default: + pr_err("invalid speed %d", eqos->phy->speed); + return -EINVAL; + } + + ret = imx_eqos_txclk_set_rate(rate); + if (ret < 0) { + pr_err("imx (tx_clk, %lu) failed: %d", rate, ret); + return ret; + } + return 0; }
@@ -1865,7 +1904,17 @@ static int eqos_probe_resources_imx(struct udevice *dev)
static phy_interface_t eqos_get_interface_imx(struct udevice *dev) { - return PHY_INTERFACE_MODE_RGMII; + const char *phy_mode; + phy_interface_t interface = PHY_INTERFACE_MODE_NONE; + + debug("%s(dev=%p):\n", __func__, dev); + + phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode", + NULL); + if (phy_mode) + interface = phy_get_interface_by_name(phy_mode); + + return interface; }
static int eqos_remove_resources_tegra186(struct udevice *dev)