| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <stdint.h> |
| #include <stddef.h> |
| |
| /* |
| * 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); |