/* * Copyright (c) 2021, Arm Limited. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include void bl2_platform_setup(void) { #ifdef TARGET_PLATFORM_SOC /* * Morello platform supports RDIMMs with ECC capability. To use the ECC * capability, the entire DDR memory space has to be zeroed out before * enabling the ECC bits in DMC-Bing. * Zeroing DDR memory range 0x80000000 - 0xFFFFFFFF during BL2 stage, * as BL33 binary cannot be copied to DDR memory before enabling ECC. * Rest of the DDR memory space is zeroed out during BL31 stage. */ INFO("Zeroing DDR memory range 0x80000000 - 0xFFFFFFFF\n"); zero_normalmem((void *)ARM_DRAM1_BASE, ARM_DRAM1_SIZE); flush_dcache_range(ARM_DRAM1_BASE, ARM_DRAM1_SIZE); #endif arm_bl2_platform_setup(); }