u-boot/arch/arm/mach-rockchip/common.c
Simon Glass 2444dae587 rockchip: Add core SoC start-up code
Add code for starting up U-Boot SPL and U-Boot proper. This is generic and
makes use of devices provided by the board- or SoC-specific code.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-09-02 21:28:24 -06:00

28 lines
457 B
C

/*
* (C) Copyright 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <fdtdec.h>
#include <linux/err.h>
void *rockchip_get_cru(void)
{
struct udevice *dev;
fdt_addr_t addr;
int ret;
ret = uclass_get_device(UCLASS_CLK, 0, &dev);
if (ret)
return ERR_PTR(ret);
addr = dev_get_addr(dev);
if (addr == FDT_ADDR_T_NONE)
return ERR_PTR(-EINVAL);
return (void *)addr;
}