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      1 // SPDX-License-Identifier: GPL-2.0+
      2 /*
      3  * Copyright (C) 2015 Atmel Corporation
      4  *		      Wenyou Yang <wenyou.yang (at) atmel.com>
      5  */
      6 
      7 #include <common.h>
      8 #include <asm/hardware.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 
     23 void configure_2nd_sram_as_l2_cache(void)
     24 {
     25 	struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
     26 
     27 	writel(1, &sfr->l2cc_hramc);
     28 }
     29