bootblock.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <arch/mmu.h>
#include <bootblock_common.h>
#include <symbols.h>
 
void bootblock_mainboard_init(void)
{
        mmu_init();
 
        /* Everything below DRAM is device memory */
        mmu_config_range((void *)0, (uintptr_t)_dram, MA_DEV | MA_RW);
        /* Set a dummy value for DRAM. ramstage should update the mapping. */
        mmu_config_range(_dram, 1 * GiB, MA_MEM | MA_RW);
 
        mmu_config_range(_ttb, REGION_SIZE(ttb), MA_MEM | MA_S | MA_RW);
        mmu_config_range(_bootblock, REGION_SIZE(bootblock), MA_MEM | MA_S | MA_RW);
        mmu_config_range(_romstage, REGION_SIZE(romstage), MA_MEM | MA_S | MA_RW);
        mmu_config_range(_ramstage, REGION_SIZE(ramstage), MA_MEM | MA_S | MA_RW);
 
        mmu_config_range(_bl31, REGION_SIZE(bl31), MA_MEM | MA_S | MA_RW);
 
        mmu_enable();
}