diff options
| author | Sébastien Szymanski <sebastien.szymanski@armadeus.com> | 2023-10-17 11:44:59 +0200 |
|---|---|---|
| committer | Fabio Estevam <festevam@gmail.com> | 2023-12-13 09:48:26 -0300 |
| commit | d5eae216d833c8043d62e86c893bb492c56802f1 (patch) | |
| tree | 085fafcc38df1d90d25372351d0423be9c80f2a7 /arch/arm/mach-imx/imx9/clock.c | |
| parent | 9e1f79bd694b277bff44578b8bfc597e29e5350a (diff) | |
net: dwc_eth_qos: Add board_interface_eth_init() for i.MX93
Add a common board_interface_eth_init() called by the DWC MAC driver to
setup the MAC <-> PHY interface according to the PHY mode obtained from
DT.
Remove the board-side configuration in the i.MX93 EVK files.
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
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; |