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