diff options
Diffstat (limited to 'drivers/net/dwc_eth_qos_stm32.c')
| -rw-r--r-- | drivers/net/dwc_eth_qos_stm32.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/net/dwc_eth_qos_stm32.c b/drivers/net/dwc_eth_qos_stm32.c index 72f65f80540..0b13d01346b 100644 --- a/drivers/net/dwc_eth_qos_stm32.c +++ b/drivers/net/dwc_eth_qos_stm32.c @@ -128,17 +128,13 @@ static int eqos_stop_clks_stm32(struct udevice *dev) static int eqos_probe_syscfg_stm32(struct udevice *dev, phy_interface_t interface_type) { - bool eth_ref_clk_sel_reg = false; - bool eth_clk_sel_reg = false; + /* Ethernet 50MHz RMII clock selection. */ + const bool eth_ref_clk_sel = dev_read_bool(dev, "st,eth-ref-clk-sel"); + /* Gigabit Ethernet 125MHz clock selection. */ + const bool eth_clk_sel = dev_read_bool(dev, "st,eth-clk-sel"); u8 *syscfg; u32 value; - /* Gigabit Ethernet 125MHz clock selection. */ - eth_clk_sel_reg = dev_read_bool(dev, "st,eth-clk-sel"); - - /* Ethernet 50Mhz RMII clock selection */ - eth_ref_clk_sel_reg = dev_read_bool(dev, "st,eth-ref-clk-sel"); - syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG); if (!syscfg) return -ENODEV; @@ -154,14 +150,14 @@ static int eqos_probe_syscfg_stm32(struct udevice *dev, dev_dbg(dev, "PHY_INTERFACE_MODE_GMII\n"); value = FIELD_PREP(SYSCFG_PMCSETR_ETH_SEL_MASK, SYSCFG_PMCSETR_ETH_SEL_GMII_MII); - if (eth_clk_sel_reg) + if (eth_clk_sel) value |= SYSCFG_PMCSETR_ETH_CLK_SEL; break; case PHY_INTERFACE_MODE_RMII: dev_dbg(dev, "PHY_INTERFACE_MODE_RMII\n"); value = FIELD_PREP(SYSCFG_PMCSETR_ETH_SEL_MASK, SYSCFG_PMCSETR_ETH_SEL_RMII); - if (eth_ref_clk_sel_reg) + if (eth_ref_clk_sel) value |= SYSCFG_PMCSETR_ETH_REF_CLK_SEL; break; case PHY_INTERFACE_MODE_RGMII: @@ -171,7 +167,7 @@ static int eqos_probe_syscfg_stm32(struct udevice *dev, dev_dbg(dev, "PHY_INTERFACE_MODE_RGMII\n"); value = FIELD_PREP(SYSCFG_PMCSETR_ETH_SEL_MASK, SYSCFG_PMCSETR_ETH_SEL_RGMII); - if (eth_clk_sel_reg) + if (eth_clk_sel) value |= SYSCFG_PMCSETR_ETH_CLK_SEL; break; default: |