/* * This file is part of the coreboot project. * * Copyright 2015 MediaTek Inc. * Copyright 2018-present Facebook, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include void soc_mmu_init(void) { const unsigned long devmem = MA_DEV | MA_S | MA_RW; const unsigned long secure_mem = MA_MEM | MA_S | MA_RW; mmu_init(); /* * Need to use secure mem attribute, as firmware is running in ARM TZ * region. */ mmu_config_range((void *)_ttb, _ttb_size, secure_mem); mmu_config_range((void *)_dram, sdram_size_mb() * MiB, secure_mem); /* IO space has the MSB set and is divided into 4 sub-regions: * * NCB * * SLI * * RSL * * AP */ mmu_config_range((void *)IO_SPACE_START, IO_SPACE_SIZE, devmem); mmu_enable(); }