mx6ullevk: Enable Ethernet support
authorFabio Estevam <festevam@gmail.com>
Mon, 3 Feb 2020 17:23:58 +0000 (14:23 -0300)
committerStefano Babic <sbabic@denx.de>
Fri, 17 Apr 2020 16:55:55 +0000 (18:55 +0200)
Add Ethernet support using DM_ETH.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
board/freescale/mx6ullevk/mx6ullevk.c
configs/mx6ull_14x14_evk_defconfig
include/configs/mx6ullevk.h

index e1eddbf..3f1ecce 100644 (file)
@@ -19,6 +19,7 @@
 #include <fsl_esdhc_imx.h>
 #include <linux/sizes.h>
 #include <mmc.h>
+#include <miiphy.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -60,11 +61,57 @@ int board_early_init_f(void)
        return 0;
 }
 
+#ifdef CONFIG_FEC_MXC
+static int setup_fec(int fec_id)
+{
+       struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+       int ret;
+
+       if (fec_id == 0) {
+               /*
+                * Use 50MHz anatop loopback REF_CLK1 for ENET1,
+                * clear gpr1[13], set gpr1[17].
+                */
+               clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
+                               IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
+       } else {
+               /*
+                * Use 50MHz anatop loopback REF_CLK2 for ENET2,
+                * clear gpr1[14], set gpr1[18].
+                */
+               clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
+                               IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
+       }
+
+       ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
+       if (ret)
+               return ret;
+
+       enable_enet_clk(1);
+
+       return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+       phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
+
+       if (phydev->drv->config)
+               phydev->drv->config(phydev);
+
+       return 0;
+}
+#endif
+
 int board_init(void)
 {
        /* Address of boot parameters */
        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
+#ifdef CONFIG_FEC_MXC
+       setup_fec(CONFIG_FEC_ENET_DEV);
+#endif
+
        return 0;
 }
 
index 2c69d8d..c16ecfa 100644 (file)
@@ -38,9 +38,17 @@ CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_MODE=0
 CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_PHYLIB=y
+CONFIG_PHY_MICREL=y
+CONFIG_PHY_MICREL_KSZ8XXX=y
+CONFIG_FEC_MXC=y
+CONFIG_DM_ETH=y
+CONFIG_MII=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_IMX6=y
 CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_FSL_QSPI=y
index 7cce911..af335bc 100644 (file)
 #define FSL_QSPI_FLASH_SIZE            SZ_32M
 #endif
 
+#ifdef CONFIG_CMD_NET
+#define CONFIG_FEC_ENET_DEV            1
+#if (CONFIG_FEC_ENET_DEV == 0)
+#define CONFIG_ETHPRIME                        "eth0"
+#elif (CONFIG_FEC_ENET_DEV == 1)
+#define CONFIG_ETHPRIME                        "eth1"
+#endif
+#endif
+
 #endif