src/mainboard/emulation/qemu-riscv/cbmem.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <assert.h>
   4 #include <cbmem.h>
   5 #include <symbols.h>
   6 #include <ramdetect.h>
   7 #include <commonlib/device_tree.h>
   8 #include <mcall.h>
   9
  10 uintptr_t cbmem_top_chipset(void)
  11 {
  12         uint64_t top;
  13
  14         top = fdt_get_memory_top((void *)HLS()->fdt);
  15         ASSERT_MSG(top, "Failed reading memory range from FDT");
  16
  17         return MIN(top, (uint64_t)4 * GiB - 1);
  18 }