u-boot/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c
Ying-Chun Liu (PaulLiu) 53b516c58d arm: imx8m: add support for Compulab iot-gate-imx8 (imx8mm-cl-iot-gate)
Add initial support for Compulab iot-gate-imx8 board (imx8mm-cl-iot-gate).
The initial support includes:
 - MMC
 - eMMC
 - I2C
 - FEC
 - Serial console

Signed-off-by: Kirill Kapranov <kirill.kapranov@compulab.co.il>
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Signed-off-by: Valentin Raevsky <valentin@compulab.co.il>
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Cc: Peter Robinson <pbrobinson@gmail.com>
2021-05-02 12:46:54 +02:00

71 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 NXP
* Copyright 2020 Linaro
*/
#include <common.h>
#include <env.h>
#include <init.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
static int setup_fec(void)
{
if (IS_ENABLED(CONFIG_FEC_MXC)) {
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);
}
return 0;
}
int board_phy_config(struct phy_device *phydev)
{
if (IS_ENABLED(CONFIG_FEC_MXC)) {
/* 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_init(void)
{
if (IS_ENABLED(CONFIG_FEC_MXC))
setup_fec();
return 0;
}
int board_mmc_get_env_dev(int devno)
{
return devno;
}
int board_late_init(void)
{
if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
env_set("board_name", "IOT-GATE-IMX8");
env_set("board_rev", "SBC-IOTMX8");
}
return 0;
}