u-boot/board/rockchip/evb_rv1108/evb_rv1108.c
Andy Yan 2d1951fec6 rockchip: Add basic support for evb-rv1108 board
Add basic support for rv1108 evb, whith this patch we
can boot into u-boot console.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-06-07 07:29:25 -06:00

52 lines
1,018 B
C

/*
* (C)Copyright 2016 Rockchip Electronics Co., Ltd
* Authors: Andy Yan <andy.yan@rock-chips.com>
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <fdtdec.h>
#include <asm/arch/grf_rv1108.h>
#include <asm/arch/hardware.h>
DECLARE_GLOBAL_DATA_PTR;
int mach_cpu_init(void)
{
int node;
struct rv1108_grf *grf;
node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "rockchip,rv1108-grf");
grf = (struct rv1108_grf *)fdtdec_get_addr(gd->fdt_blob, node, "reg");
/*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 board_init(void)
{
return 0;
}
int dram_init(void)
{
gd->ram_size = 0x8000000;
return 0;
}
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = 0x60000000;
gd->bd->bi_dram[0].size = 0x8000000;
return 0;
}