rev13@wp.pl | b3b57e8 | 2015-03-01 12:44:39 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2010,2011 |
| 3 | * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com |
| 4 | * |
| 5 | * (C) Copyright 2015 |
| 6 | * Kamil Lulko, <rev13@wp.pl> |
| 7 | * |
| 8 | * SPDX-License-Identifier: GPL-2.0+ |
| 9 | */ |
| 10 | |
| 11 | #include <common.h> |
| 12 | #include <asm/io.h> |
| 13 | #include <asm/armv7m.h> |
| 14 | |
| 15 | /* |
| 16 | * This is called right before passing control to |
| 17 | * the Linux kernel point. |
| 18 | */ |
| 19 | int cleanup_before_linux(void) |
| 20 | { |
| 21 | return 0; |
| 22 | } |
| 23 | |
| 24 | /* |
| 25 | * Perform the low-level reset. |
| 26 | */ |
| 27 | void reset_cpu(ulong addr) |
| 28 | { |
| 29 | /* |
| 30 | * Perform reset but keep priority group unchanged. |
| 31 | */ |
| 32 | writel((V7M_AIRCR_VECTKEY << V7M_AIRCR_VECTKEY_SHIFT) |
| 33 | | (V7M_SCB->aircr & V7M_AIRCR_PRIGROUP_MSK) |
| 34 | | V7M_AIRCR_SYSRESET, &V7M_SCB->aircr); |
| 35 | } |