diff options
| author | Marek Vasut <marex@denx.de> | 2022-02-19 17:13:54 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2022-02-19 23:32:23 +0100 |
| commit | fea66073171461eebcf35264293616d6423788e5 (patch) | |
| tree | ff6af313c6b27814432d3194bdb01c0d728c18e6 /board | |
| parent | 3240d011ae883a4ee842c0890c321ef1129fd3d4 (diff) | |
ARM: imx: imx8mn-ddr4-evk: Add ethernet support
Add support for ethernet on the imx8mn-ddr4-evk.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/imx8mn_evk/imx8mn_evk.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/board/freescale/imx8mn_evk/imx8mn_evk.c b/board/freescale/imx8mn_evk/imx8mn_evk.c index 9a0a0488bf..b24342fd5c 100644 --- a/board/freescale/imx8mn_evk/imx8mn_evk.c +++ b/board/freescale/imx8mn_evk/imx8mn_evk.c @@ -7,17 +7,47 @@ #include <env.h> #include <init.h> #include <asm/global_data.h> +#include <miiphy.h> +#include <netdev.h> +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; -int board_init(void) +int board_mmc_get_env_dev(int devno) { + return devno; +} + +static void setup_fec(void) +{ + struct iomuxc_gpr_base_regs *gpr = + (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; + + /* Use 125M anatop REF_CLK1 for ENET1, not from external */ + clrsetbits_le32(&gpr->gpr[1], 0x2000, 0); +} + +int board_phy_config(struct phy_device *phydev) +{ + /* enable rgmii rxc skew and phy mode select to RGMII copper */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); + + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); + + if (phydev->drv->config) + phydev->drv->config(phydev); return 0; } -int board_mmc_get_env_dev(int devno) +int board_init(void) { - return devno; + setup_fec(); + + return 0; } int board_late_init(void) |