u-boot/board/freescale/imx8qm_mek/imx8qm_mek.c
Simon Glass e7dcf5645f env: Drop environment.h header file where not needed
This header file is now only used by files that access internal
environment features. Drop it from various places where it is not needed.

Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
2019-08-11 16:43:41 -04:00

134 lines
2.4 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 NXP
*/
#include <common.h>
#include <env.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();
sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON);
return 0;
}
#if IS_ENABLED(CONFIG_DM_GPIO)
static void board_gpio_init(void)
{
/* TODO */
}
#else
static inline void board_gpio_init(void) {}
#endif
#if IS_ENABLED(CONFIG_FEC_MXC)
#include <miiphy.h>
int board_phy_config(struct phy_device *phydev)
{
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: iMX8QM MEK\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);
board_gpio_init();
return 0;
}
void detail_board_ddr_info(void)
{
puts("\nDDR ");
}
/*
* Board specific reset that is system reset.
*/
void reset_cpu(ulong addr)
{
/* TODO */
}
#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, bd_t *bd)
{
return 0;
}
#endif
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", "MEK");
env_set("board_rev", "iMX8QM");
#endif
return 0;
}