72 lines
1.3 KiB
C
72 lines
1.3 KiB
C
/*
|
|
* (C) Copyright 2015 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <clk.h>
|
|
#include <dm.h>
|
|
#include <ram.h>
|
|
#include <syscon.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/periph.h>
|
|
#include <asm/arch/pmu_rk3288.h>
|
|
#include <asm/arch/boot_mode.h>
|
|
#include <asm/gpio.h>
|
|
#include <dm/pinctrl.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int board_init(void)
|
|
{
|
|
#if defined(CONFIG_ROCKCHIP_SPL_BACK_TO_BROM)
|
|
struct udevice *pinctrl;
|
|
int ret;
|
|
|
|
/*
|
|
* We need to implement sdcard iomux here for the further
|
|
* initialization, otherwise, it'll hit sdcard command sending
|
|
* timeout exception.
|
|
*/
|
|
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
|
|
if (ret) {
|
|
debug("%s: Cannot find pinctrl device\n", __func__);
|
|
goto err;
|
|
}
|
|
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD);
|
|
if (ret) {
|
|
debug("%s: Failed to set up SD card\n", __func__);
|
|
goto err;
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
printf("board_init: Error %d\n", ret);
|
|
|
|
/* No way to report error here */
|
|
hang();
|
|
|
|
return -1;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
/* FIXME: read back ram size from sys_reg2 */
|
|
gd->ram_size = 0x40000000;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef CONFIG_SYS_DCACHE_OFF
|
|
void enable_caches(void)
|
|
{
|
|
/* Enable D-cache. I-cache is already enabled in start.S */
|
|
dcache_enable();
|
|
}
|
|
#endif
|