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// SPDX-License-Identifier: GPL-2.0+
/*
* (C)Copyright 2016 Rockchip Electronics Co., Ltd
* Authors: Andy Yan <andy.yan@rock-chips.com>
*/
#include <common.h>
#include <init.h>
#include <syscon.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/grf_rv1108.h>
#include <asm/arch-rockchip/hardware.h>
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
struct rv1108_grf *grf;
enum {
GPIO3C3_SHIFT = 6,
GPIO3C3_MASK = 3 << GPIO3C3_SHIFT,
GPIO3C2_SHIFT = 4,
GPIO3C2_MASK = 3 << GPIO3C2_SHIFT,
GPIO2D2_SHIFT = 4,
GPIO2D2_MASK = 3 << GPIO2D2_SHIFT,
GPIO2D2_GPIO = 0,
GPIO2D2_UART2_SOUT_M0,
GPIO2D1_SHIFT = 2,
GPIO2D1_MASK = 3 << GPIO2D1_SHIFT,
GPIO2D1_GPIO = 0,
GPIO2D1_UART2_SIN_M0,
};
grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
/*evb board use UART2 m0 for debug*/
rk_clrsetreg(&grf->gpio2d_iomux,
GPIO2D2_MASK | GPIO2D1_MASK,
GPIO2D2_UART2_SOUT_M0 << GPIO2D2_SHIFT |
GPIO2D1_UART2_SIN_M0 << GPIO2D1_SHIFT);
rk_clrreg(&grf->gpio3c_iomux, GPIO3C3_MASK | GPIO3C2_MASK);
return 0;
}
int dram_init(void)
{
gd->ram_size = 0x8000000;
return 0;
}
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