| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| #include <cbmem.h> | |
| #include <soc/addressmap.h> | |
| uintptr_t cbmem_top_chipset(void) | |
| { | |
| static uintptr_t addr; | |
| if (addr == 0) { | |
| uintptr_t begin_mib; | |
| uintptr_t end_mib; | |
| memory_in_range_below_4gb(&begin_mib, &end_mib); | |
| /* Make sure we consume everything up to 4GIB. */ | |
| if (end_mib == 4096) | |
| addr = ~(uint32_t)0; | |
| else | |
| addr = end_mib << 20; | |
| } | |
| return addr; | |
| } |