mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 09:30:10 +00:00
35 lines
668 B
C
35 lines
668 B
C
/*
|
|
* (C) Copyright 2010,2011
|
|
* Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com
|
|
*
|
|
* (C) Copyright 2015
|
|
* Kamil Lulko, <kamil.lulko@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/armv7m.h>
|
|
|
|
/*
|
|
* This is called right before passing control to
|
|
* the Linux kernel point.
|
|
*/
|
|
int cleanup_before_linux(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Perform the low-level reset.
|
|
*/
|
|
void reset_cpu(ulong addr)
|
|
{
|
|
/*
|
|
* Perform reset but keep priority group unchanged.
|
|
*/
|
|
writel((V7M_AIRCR_VECTKEY << V7M_AIRCR_VECTKEY_SHIFT)
|
|
| (V7M_SCB->aircr & V7M_AIRCR_PRIGROUP_MSK)
|
|
| V7M_AIRCR_SYSRESET, &V7M_SCB->aircr);
|
|
}
|