u-boot/board/ronetix/imx8mq-cm/imx8mq_cm.c
Ilko Iliev 7666cccf4f ARM:imx:imx8mq-cm: Add support for Ronetix iMX8MQ-CM
Supported peripherals: Ethernet, eMMC, Serial.

U-Boot SPL 2021.04-00911-g5fa1e2ffeb-dirty (Apr 23 2021 - 09:11:14
+0200)
Normal Boot
Trying to boot from MMC2

U-Boot 2021.04-00911-g5fa1e2ffeb-dirty (Apr 23 2021 - 09:11:14 +0200)

CPU:   Freescale i.MX8MQ rev2.1 at 1000 MHz
Reset cause: POR
Model: Ronetix iMX8M-CM SoM
DRAM:  1 GiB
WDT:   Started with servicing (60s timeout)
MMC:   FSL_SDHC: 0, FSL_SDHC: 1
Loading Environment from MMC... OK
In:    serial
Out:   serial
Err:   serial
Net:
Warning: ethernet@30be0000 (eth0) using random MAC address -
42:0d:e7:78:da:53
eth0: ethernet@30be0000
Hit any key to stop autoboot:  0
u-boot=>

Signed-off-by: Ilko Iliev <iliev@ronetix.at>
2021-05-02 12:46:54 +02:00

84 lines
1.8 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 NXP
*/
#include <common.h>
#include <miiphy.h>
#include <asm-generic/gpio.h>
#include <asm/arch/imx8mq_pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/clock.h>
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE)
static iomux_v3_cfg_t const wdog_pads[] = {
IMX8MQ_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL),
};
static iomux_v3_cfg_t const uart_pads[] = {
IMX8MQ_PAD_UART1_RXD__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
IMX8MQ_PAD_UART1_TXD__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
int board_early_init_f(void)
{
struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
set_wdog_reset(wdog);
imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
return 0;
}
static int 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], BIT(13) | BIT(17), 0);
return set_clk_enet(ENET_125MHZ);
}
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, 0x05);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
int board_init(void)
{
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", "imx8mq-cm");
env_set("board_rev", "v2.0");
}
return 0;
}