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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Stefan Roese <sr@denx.de>
*/
#include <common.h>
#include <i2c.h>
#include <init.h>
#include <asm/global_data.h>
#include <asm/gpio.h>
#include <linux/bitops.h>
#include <linux/mbus.h>
#include <linux/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* These values and defines are taken from the Marvell U-Boot version
* "u-boot-2013.01-2016_T1.0.eng_drop_v6"
*/
#define DB_DX_AC3_GPP_OUT_ENA_LOW (~(BIT(0) | BIT(2) | BIT(3) | BIT(4) \
| BIT(6) | BIT(12) | BIT(13) \
| BIT(16) | BIT(17) | BIT(20) \
| BIT(29) | BIT(30)))
#define DB_DX_AC3_GPP_OUT_ENA_MID (~(0))
#define DB_DX_AC3_GPP_OUT_VAL_LOW (BIT(0) | BIT(2) | BIT(3) | BIT(4) \
| BIT(6) | BIT(12) | BIT(13) \
| BIT(16) | BIT(17) | BIT(20) \
| BIT(29) | BIT(30))
#define DB_DX_AC3_GPP_OUT_VAL_MID 0x0
#define DB_DX_AC3_GPP_POL_LOW 0x0
#define DB_DX_AC3_GPP_POL_MID 0x0
int board_early_init_f(void)
{
/* Configure MPP */
writel(0x00142222, MVEBU_MPP_BASE + 0x00);
writel(0x11122000, MVEBU_MPP_BASE + 0x04);
writel(0x44444004, MVEBU_MPP_BASE + 0x08);
writel(0x14444444, MVEBU_MPP_BASE + 0x0c);
writel(0x00000001, MVEBU_MPP_BASE + 0x10);
/*
* MVEBU_GPIO0_BASE is the User LED
* MVEBU_GPIO1_BASE is the Reset Button (currently not used)
*/
/* Set GPP Out value */
writel(DB_DX_AC3_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
/* writel(DB_DX_AC3_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00); */
/* Set GPP Polarity */
writel(DB_DX_AC3_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
/* writel(DB_DX_AC3_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c); */
/* Set GPP Out Enable */
writel(DB_DX_AC3_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
/* writel(DB_DX_AC3_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04); */
return 0;
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
return 0;
}
int checkboard(void)
{
puts("Board: " CONFIG_SYS_BOARD "\n");
return 0;
}
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