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https://github.com/AsahiLinux/u-boot
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41 lines
970 B
C
41 lines
970 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Atmel Corporation
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* Wenyou Yang <wenyou.yang@atmel.com>
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*/
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#include <common.h>
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#include <asm/hardware.h>
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#include <asm/io.h>
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#include <asm/arch/at91_sfr.h>
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#if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D4)
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void redirect_int_from_saic_to_aic(void)
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{
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struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
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u32 key32;
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if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) {
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key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY;
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writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir);
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}
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}
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void configure_2nd_sram_as_l2_cache(void)
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{
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struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
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writel(1, &sfr->l2cc_hramc);
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}
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#endif
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void configure_ddrcfg_input_buffers(bool open)
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{
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struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
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if (open)
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writel(ATMEL_SFR_DDRCFG_FDQIEN | ATMEL_SFR_DDRCFG_FDQSIEN,
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&sfr->ddrcfg);
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else
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writel(0, &sfr->ddrcfg);
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}
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