/*******************************************************************************
* Perform the very early platform specific architectural setup here. At the
* moment this is only initializes the mmu in a quick and dirty way.
* The memory that is used by BL2U is only mapped.
******************************************************************************/
void arm_bl2u_plat_arch_setup(void)
{
#if USE_COHERENT_MEM
/* Ensure ARM platforms dont use coherent memory in BL2U */
assert((BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE) == 0U);
#endif
const mmap_region_t bl_regions[] = {
MAP_BL2U_TOTAL,
ARM_MAP_BL_RO,
#if USE_ROMLIB
ARM_MAP_ROMLIB_CODE,
ARM_MAP_ROMLIB_DATA,
#endif
{0}
};
setup_page_tables(bl_regions, plat_arm_get_mmap());
#ifdef AARCH32
enable_mmu_svc_mon(0);
#else
enable_mmu_el1(0);
#endif
arm_setup_romlib();
}
void bl31_plat_arch_setup(void)
{
const mmap_region_t bl_regions[] = {
MAP_REGION_FLAT(BL31_BASE, BL31_END - BL31_BASE,
MT_MEMORY | MT_RW | MT_SECURE),
MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE,
MT_CODE | MT_SECURE),
MAP_REGION_FLAT(BL_RO_DATA_BASE, BL_RO_DATA_END - BL_RO_DATA_END,
MT_RO_DATA | MT_SECURE),
{0}
};
setup_page_tables(bl_regions, plat_k3_mmap);
enable_mmu_el3(0);
}
/*******************************************************************************
* Perform the very early platform specific architectural setup here. At the
* moment this is only intializes the MMU
******************************************************************************/
void tsp_plat_arch_setup(void)
{
const mmap_region_t bl_regions[] = {
MAP_REGION_FLAT(BL32_BASE, BL32_END - BL32_BASE,
MT_MEMORY | MT_RW | MT_SECURE),
MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE,
MT_CODE | MT_SECURE),
MAP_REGION_FLAT(BL_RO_DATA_BASE, BL_RO_DATA_END - BL_RO_DATA_BASE,
MT_RO_DATA | MT_SECURE),
MAP_REGION_FLAT(BL_COHERENT_RAM_BASE,
BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
MT_DEVICE | MT_RW | MT_SECURE),
{0}
};
setup_page_tables(bl_regions, plat_arm_get_mmap());
enable_mmu_el1(0);
}