diff options
Diffstat (limited to 'arch/arm/mach-imx/imx9/clock.c')
| -rw-r--r-- | arch/arm/mach-imx/imx9/clock.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx9/clock.c b/arch/arm/mach-imx/imx9/clock.c index 766a8811c1f..92c41e9a67b 100644 --- a/arch/arm/mach-imx/imx9/clock.c +++ b/arch/arm/mach-imx/imx9/clock.c @@ -18,6 +18,7 @@ #include <linux/bitops.h> #include <linux/delay.h> #include <log.h> +#include <phy.h> DECLARE_GLOBAL_DATA_PTR; @@ -832,6 +833,58 @@ u32 imx_get_fecclk(void) return ccm_clk_root_get_rate(WAKEUP_AXI_CLK_ROOT); } +#if defined(CONFIG_IMX93) && defined(CONFIG_DWC_ETH_QOS) +static int imx93_eqos_interface_init(struct udevice *dev, phy_interface_t interface_type) +{ + struct blk_ctrl_wakeupmix_regs *bctrl = + (struct blk_ctrl_wakeupmix_regs *)BLK_CTRL_WAKEUPMIX_BASE_ADDR; + + clrbits_le32(&bctrl->eqos_gpr, + BCTRL_GPR_ENET_QOS_INTF_MODE_MASK | + BCTRL_GPR_ENET_QOS_CLK_GEN_EN); + + switch (interface_type) { + case PHY_INTERFACE_MODE_MII: + setbits_le32(&bctrl->eqos_gpr, + BCTRL_GPR_ENET_QOS_INTF_SEL_MII | + BCTRL_GPR_ENET_QOS_CLK_GEN_EN); + break; + case PHY_INTERFACE_MODE_RMII: + setbits_le32(&bctrl->eqos_gpr, + BCTRL_GPR_ENET_QOS_INTF_SEL_RMII | + BCTRL_GPR_ENET_QOS_CLK_GEN_EN); + break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + setbits_le32(&bctrl->eqos_gpr, + BCTRL_GPR_ENET_QOS_INTF_SEL_RGMII | + BCTRL_GPR_ENET_QOS_CLK_GEN_EN); + break; + default: + return -EINVAL; + } + + return 0; +} +#else +static int imx93_eqos_interface_init(struct udevice *dev, phy_interface_t interface_type) +{ + return 0; +} +#endif + +int board_interface_eth_init(struct udevice *dev, phy_interface_t interface_type) +{ + if (IS_ENABLED(CONFIG_IMX93) && + IS_ENABLED(CONFIG_DWC_ETH_QOS) && + device_is_compatible(dev, "nxp,imx93-dwmac-eqos")) + return imx93_eqos_interface_init(dev, interface_type); + + return -EINVAL; +} + int set_clk_enet(enum enet_freq type) { u32 div; |