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 } 22