[PATCH V4 48/49] board: freescale: imx93_evk: support ethernet

[Peng Fan (OSS)]

From: Peng Fan <peng.fan at nxp.com>

Add ethernet support

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/include/asm/arch-imx9/imx-regs.h |  7 +++++
 board/freescale/imx93_evk/imx93_evk.c     | 32 +++++++++++++++++++++++
 configs/imx93_11x11_evk_defconfig         |  9 +++++++
 3 files changed, 48 insertions(+)

diff --git a/arch/arm/include/asm/arch-imx9/imx-regs.h b/arch/arm/include/asm/arch-imx9/imx-regs.h
index 049eca4f3a7..f575805c7da 100644
--- a/arch/arm/include/asm/arch-imx9/imx-regs.h
+++ b/arch/arm/include/asm/arch-imx9/imx-regs.h
@@ -7,6 +7,7 @@
 #define __ASM_ARCH_IMX9_REGS_H__
 
 #define ARCH_MXC
+#define FEC_QUIRK_ENET_MAC
 
 #define IOMUXC_BASE_ADDR	0x443C0000UL
 #define CCM_BASE_ADDR		0x44450000UL
@@ -39,6 +40,12 @@
 #define SRC_MIX_SLICE_FUNC_STAT_ISO_STAT BIT(4)
 #define SRC_MIX_SLICE_FUNC_STAT_MEM_STAT BIT(12)
 
+#define BCTRL_GPR_ENET_QOS_INTF_MODE_MASK        GENMASK(3, 1)
+#define BCTRL_GPR_ENET_QOS_INTF_SEL_MII          (0x0 << 1)
+#define BCTRL_GPR_ENET_QOS_INTF_SEL_RMII         (0x4 << 1)
+#define BCTRL_GPR_ENET_QOS_INTF_SEL_RGMII        (0x1 << 1)
+#define BCTRL_GPR_ENET_QOS_CLK_GEN_EN            (0x1 << 0)
+
 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
 #include <asm/types.h>
 #include <stdbool.h>
diff --git a/board/freescale/imx93_evk/imx93_evk.c b/board/freescale/imx93_evk/imx93_evk.c
index 77b92b35db4..f111b99fc2e 100644
--- a/board/freescale/imx93_evk/imx93_evk.c
+++ b/board/freescale/imx93_evk/imx93_evk.c
@@ -38,8 +38,40 @@ int board_early_init_f(void)
 	return 0;
 }
 
+static int setup_fec(void)
+{
+	return set_clk_enet(ENET_125MHZ);
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+
+static int setup_eqos(void)
+{
+	struct blk_ctrl_wakeupmix_regs *bctrl =
+		(struct blk_ctrl_wakeupmix_regs *)BLK_CTRL_WAKEUPMIX_BASE_ADDR;
+
+	/* set INTF as RGMII, enable RGMII TXC clock */
+	clrsetbits_le32(&bctrl->eqos_gpr,
+			BCTRL_GPR_ENET_QOS_INTF_MODE_MASK,
+			BCTRL_GPR_ENET_QOS_INTF_SEL_RGMII | BCTRL_GPR_ENET_QOS_CLK_GEN_EN);
+
+	return set_clk_eqos(ENET_125MHZ);
+}
+
 int board_init(void)
 {
+	if (CONFIG_IS_ENABLED(FEC_MXC))
+		setup_fec();
+
+	if (CONFIG_IS_ENABLED(DWC_ETH_QOS))
+		setup_eqos();
+
 	return 0;
 }
 
diff --git a/configs/imx93_11x11_evk_defconfig b/configs/imx93_11x11_evk_defconfig
index 8a396ed1c13..1f59f7e365d 100644
--- a/configs/imx93_11x11_evk_defconfig
+++ b/configs/imx93_11x11_evk_defconfig
@@ -75,6 +75,7 @@ CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_MMC_ENV_DEV=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_SPL_DM=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
@@ -89,6 +90,14 @@ CONFIG_MMC_UHS_SUPPORT=y
 CONFIG_MMC_HS400_ES_SUPPORT=y
 CONFIG_MMC_HS400_SUPPORT=y
 CONFIG_FSL_USDHC=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH=y
+CONFIG_DM_ETH_PHY=y
+CONFIG_PHY_GIGE=y
+CONFIG_DWC_ETH_QOS=y
+CONFIG_DWC_ETH_QOS_IMX=y
+CONFIG_FEC_MXC=y
+CONFIG_MII=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
 CONFIG_PINCTRL_IMX93=y
-- 
2.36.0