| Stephen Warren | 45b8ae6 | 2012-08-05 16:07:21 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2012 Stephen Warren |
| 3 | * |
| 4 | * See file CREDITS for list of people who contributed to this |
| 5 | * project. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * version 2 as published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #include <common.h> |
| 18 | #include <asm/io.h> |
| 19 | #include <asm/arch/wdog.h> |
| 20 | |
| 21 | #define RESET_TIMEOUT 10 |
| 22 | |
| 23 | void reset_cpu(ulong addr) |
| 24 | { |
| 25 | struct bcm2835_wdog_regs *regs = |
| 26 | (struct bcm2835_wdog_regs *)BCM2835_WDOG_PHYSADDR; |
| 27 | uint32_t rstc; |
| 28 | |
| 29 | rstc = readl(®s->rstc); |
| 30 | rstc &= ~BCM2835_WDOG_RSTC_WRCFG_MASK; |
| 31 | rstc |= BCM2835_WDOG_RSTC_WRCFG_FULL_RESET; |
| 32 | |
| 33 | writel(BCM2835_WDOG_PASSWORD | RESET_TIMEOUT, ®s->wdog); |
| 34 | writel(BCM2835_WDOG_PASSWORD | rstc, ®s->rstc); |
| 35 | } |