| Wenyou Yang | e4677f1 | 2015-11-05 16:37:53 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 Atmel Corporation |
| 3 | * Wenyou Yang <wenyou.yang@atmel.com> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <asm/io.h> |
| 10 | #include <asm/arch/sama5_sfr.h> |
| 11 | |
| 12 | void redirect_int_from_saic_to_aic(void) |
| 13 | { |
| 14 | struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; |
| 15 | u32 key32; |
| 16 | |
| 17 | if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) { |
| 18 | key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY; |
| 19 | writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir); |
| 20 | } |
| 21 | } |