/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include 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, ((size_t) CONFIG_DRAM_SIZE_MB) * MiB, 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(_ramstage, REGION_SIZE(ramstage), MA_MEM | MA_S | MA_RW); mmu_config_range((void *)CONFIG_ECAM_MMCONF_BASE_ADDRESS, CONFIG_ECAM_MMCONF_LENGTH, MA_DEV | MA_RW); mmu_enable(); }