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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2017-2018 NXP
* Copyright (C) 2019 Oliver Graute <oliver.graute@kococonnector.com>
*/
#include <common.h>
#include <cpu_func.h>
#include <errno.h>
#include <linux/libfdt.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/clock.h>
#include <asm/arch/sci/sci.h>
#include <asm/arch/imx8-pins.h>
#include <asm/arch/iomux.h>
#include <asm/arch/sys_proto.h>
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
static iomux_cfg_t uart0_pads[] = {
SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
}
int board_early_init_f(void)
{
sc_pm_clock_rate_t rate = SC_80MHZ;
int ret;
/* Set UART0 clock root to 80 MHz */
ret = sc_pm_setup_uart(SC_R_UART_0, rate);
if (ret)
return ret;
setup_iomux_uart();
/* This is needed to because Kernel do not Power Up DC_0 */
sc_pm_set_resource_power_mode(-1, SC_R_DC_0, SC_PM_PW_MODE_ON);
sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON);
return 0;
}
#if IS_ENABLED(CONFIG_FEC_MXC)
#include <miiphy.h>
int board_phy_config(struct phy_device *phydev)
{
#ifdef CONFIG_FEC_ENABLE_MAX7322
u8 value;
/* This is needed to drive the pads to 1.8V instead of 1.5V */
i2c_set_bus_num(CONFIG_MAX7322_I2C_BUS);
if (!i2c_probe(CONFIG_MAX7322_I2C_ADDR)) {
/* Write 0x1 to enable O0 output, this device has no addr */
/* hence addr length is 0 */
value = 0x1;
if (dm_i2c_write(CONFIG_MAX7322_I2C_ADDR, 0, 0, &value, 1))
printf("MAX7322 write failed\n");
} else {
printf("MAX7322 Not found\n");
}
mdelay(1);
#endif
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;
}
#endif
int checkboard(void)
{
puts("Board: ROM-7720-A1 4GB\n");
build_info();
print_bootinfo();
return 0;
}
int board_init(void)
{
/* Power up base board */
sc_pm_set_resource_power_mode(-1, SC_R_BOARD_R1, SC_PM_PW_MODE_ON);
return 0;
}
/*
* Board specific reset that is system reset.
*/
void reset_cpu(ulong addr)
{
/* TODO */
}
int board_mmc_get_env_dev(int devno)
{
return devno;
}
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
env_set("board_name", "ROM-7720-A1");
env_set("board_rev", "iMX8QM");
#endif
env_set("sec_boot", "no");
#ifdef CONFIG_AHAB_BOOT
env_set("sec_boot", "yes");
#endif
return 0;
}
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