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/*
* This file is part of the coreboot project.
*
* 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.
*/
/*
* Used in probe_ramsize(). This is a weak function and it's overridden for
* ARMv8. Return 1 when DRAM exists at the address, otherwise return 0.
*/
int probe_mb(const uintptr_t dram_start, const uintptr_t size);
/*
* Probe an area if it's read/writable.
* Primary use case is the detection of DRAM amount on emulators.
*
* @param dram_start Physical address of DRAM start
* @param probe_size Maximum size in MiB to probe for
* @return The detected DRAM size in MiB
*/
size_t probe_ramsize(const uintptr_t dram_start, const size_t probe_size);
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