linux-arkmicro/u-boot/board/schulercontrol/sc_sps_1/sc_sps_1.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * SchulerControl GmbH, SC_SPS_1 module
 *
 * Copyright (C) 2012 Marek Vasut <marex@denx.de>
 * on behalf of DENX Software Engineering GmbH
 */

#include <common.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux-mx28.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <linux/mii.h>
#include <miiphy.h>
#include <netdev.h>
#include <errno.h>

DECLARE_GLOBAL_DATA_PTR;

/*
 * Functions
 */
int board_early_init_f(void)
{
	/* IO0 clock at 480MHz */
	mxs_set_ioclk(MXC_IOCLK0, 480000);
	/* IO1 clock at 480MHz */
	mxs_set_ioclk(MXC_IOCLK1, 480000);

	/* SSP0 clock at 96MHz */
	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
	/* SSP2 clock at 96MHz */
	mxs_set_sspclk(MXC_SSPCLK2, 96000, 0);

#ifdef	CONFIG_CMD_USB
	mxs_iomux_setup_pad(MX28_PAD_AUART1_CTS__USB0_OVERCURRENT);
	mxs_iomux_setup_pad(MX28_PAD_AUART2_TX__GPIO_3_9 |
			MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL);
	gpio_direction_output(MX28_PAD_AUART2_TX__GPIO_3_9, 1);
#endif

	return 0;
}

int board_init(void)
{
	/* Adress of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

	return 0;
}

int dram_init(void)
{
	return mxs_dram_init();
}

#ifdef	CONFIG_CMD_MMC
int board_mmc_init(bd_t *bis)
{
	return mxsmmc_initialize(bis, 0, NULL, NULL);
}
#endif

#ifdef	CONFIG_CMD_NET
int board_eth_init(bd_t *bis)
{
	struct mxs_clkctrl_regs *clkctrl_regs =
		(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
	int ret;

	ret = cpu_eth_init(bis);

	clrsetbits_le32(&clkctrl_regs->hw_clkctrl_enet,
		CLKCTRL_ENET_TIME_SEL_MASK,
		CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN);

	ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
	if (ret) {
		printf("FEC MXS: Unable to init FEC0\n");
		return ret;
	}

	ret = fecmxc_initialize_multi(bis, 1, 1, MXS_ENET1_BASE);
	if (ret) {
		printf("FEC MXS: Unable to init FEC1\n");
		return ret;
	}

	return ret;
}

#endif