From: Peng Fan peng.fan@nxp.com
Add board code to configure the network interface Add net defconfig
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/include/asm/arch-imx8m/imx-regs.h | 2 + board/freescale/imx8mp_evk/imx8mp_evk.c | 81 ++++++++++++++++++++++ configs/imx8mp_evk_defconfig | 11 +++ include/configs/imx8mp_evk.h | 16 +++++ 4 files changed, 110 insertions(+)
diff --git a/arch/arm/include/asm/arch-imx8m/imx-regs.h b/arch/arm/include/asm/arch-imx8m/imx-regs.h index f1c410ec78..f5711155b7 100644 --- a/arch/arm/include/asm/arch-imx8m/imx-regs.h +++ b/arch/arm/include/asm/arch-imx8m/imx-regs.h @@ -62,6 +62,8 @@ #define DDRC_IPS_BASE_ADDR(X) (0x3d400000 + ((X) * 0x2000000)) #define DDR_CSD1_BASE_ADDR 0x40000000
+#define IOMUXC_GPR_GPR1_GPR_ENET_QOS_INTF_SEL_MASK 0x70000 + #if !defined(__ASSEMBLY__) #include <asm/types.h> #include <linux/bitops.h> diff --git a/board/freescale/imx8mp_evk/imx8mp_evk.c b/board/freescale/imx8mp_evk/imx8mp_evk.c index 034a349236..d6b863df84 100644 --- a/board/freescale/imx8mp_evk/imx8mp_evk.c +++ b/board/freescale/imx8mp_evk/imx8mp_evk.c @@ -7,9 +7,13 @@ #include <env.h> #include <errno.h> #include <init.h> +#include <miiphy.h> +#include <netdev.h> +#include <linux/delay.h> #include <asm/mach-imx/iomux-v3.h> #include <asm-generic/gpio.h> #include <asm/arch/imx8mp_pins.h> +#include <asm/arch/clock.h> #include <asm/arch/sys_proto.h> #include <asm/mach-imx/gpio.h>
@@ -40,8 +44,85 @@ int board_early_init_f(void) return 0; }
+#define FEC_RST_PAD IMX_GPIO_NR(4, 2) +static iomux_v3_cfg_t const fec1_rst_pads[] = { + MX8MP_PAD_SAI1_RXD0__GPIO4_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void setup_iomux_fec(void) +{ + imx_iomux_v3_setup_multiple_pads(fec1_rst_pads, + ARRAY_SIZE(fec1_rst_pads)); + + gpio_request(FEC_RST_PAD, "fec1_rst"); + gpio_direction_output(FEC_RST_PAD, 0); + mdelay(15); + gpio_direction_output(FEC_RST_PAD, 1); + mdelay(100); +} + +static int setup_fec(void) +{ + struct iomuxc_gpr_base_regs *gpr = + (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; + + setup_iomux_fec(); + + /* Enable RGMII TX clk output */ + setbits_le32(&gpr->gpr[1], BIT(22)); + + return 0; +} + +#define EQOS_RST_PAD IMX_GPIO_NR(4, 22) +static iomux_v3_cfg_t const eqos_rst_pads[] = { + MX8MP_PAD_SAI2_RXC__GPIO4_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void setup_iomux_eqos(void) +{ + imx_iomux_v3_setup_multiple_pads(eqos_rst_pads, + ARRAY_SIZE(eqos_rst_pads)); + + gpio_request(EQOS_RST_PAD, "eqos_rst"); + gpio_direction_output(EQOS_RST_PAD, 0); + mdelay(15); + gpio_direction_output(EQOS_RST_PAD, 1); + mdelay(100); +} + +static int setup_eqos(void) +{ + struct iomuxc_gpr_base_regs *gpr = + (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; + + setup_iomux_eqos(); + + /* set INTF as RGMII, enable RGMII TXC clock */ + clrsetbits_le32(&gpr->gpr[1], + IOMUXC_GPR_GPR1_GPR_ENET_QOS_INTF_SEL_MASK, BIT(16)); + setbits_le32(&gpr->gpr[1], BIT(19) | BIT(21)); + + return set_clk_eqos(ENET_125MHZ); +} + +#if CONFIG_IS_ENABLED(NET) +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + return 0; +} +#endif + 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/imx8mp_evk_defconfig b/configs/imx8mp_evk_defconfig index cd5724e811..de9db697e8 100644 --- a/configs/imx8mp_evk_defconfig +++ b/configs/imx8mp_evk_defconfig @@ -73,6 +73,14 @@ CONFIG_MMC_IO_VOLTAGE=y CONFIG_FSL_ESDHC_IMX=y CONFIG_PHYLIB=y CONFIG_DM_ETH=y +CONFIG_DWC_ETH_QOS=y + +CONFIG_PHY_GIGE=y +CONFIG_FEC_MXC=y +CONFIG_MII=y +CONFIG_PHYLIB=y +CONFIG_PHY_REALTEK=y + CONFIG_PINCTRL=y CONFIG_SPL_PINCTRL=y CONFIG_PINCTRL_IMX8M=y @@ -85,3 +93,6 @@ CONFIG_SPL_SYSRESET=y CONFIG_SYSRESET_PSCI=y CONFIG_SYSRESET_WATCHDOG=y CONFIG_IMX_WATCHDOG=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y diff --git a/include/configs/imx8mp_evk.h b/include/configs/imx8mp_evk.h index 8253c6aa2f..7abaf5ff84 100644 --- a/include/configs/imx8mp_evk.h +++ b/include/configs/imx8mp_evk.h @@ -44,6 +44,22 @@
#endif
+#if defined(CONFIG_CMD_NET) +#define CONFIG_ETHPRIME "eth1" /* Set eqos to primary since we use its MDIO */ + +#define CONFIG_FEC_XCV_TYPE RGMII +#define CONFIG_FEC_MXC_PHYADDR 1 +#define FEC_QUIRK_ENET_MAC + +#define DWC_NET_PHYADDR 1 +#ifdef CONFIG_DWC_ETH_QOS +#define CONFIG_SYS_NONCACHED_MEMORY (1 * SZ_1M) /* 1M */ +#endif + +#define PHY_ANEG_TIMEOUT 20000 + +#endif + /* Initial environment variables */ #define CONFIG_EXTRA_ENV_SETTINGS \ "script=boot.scr\0" \