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

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <cbmem.h>
   4 #include <symbols.h>
   5 #include <commonlib/device_tree.h>
   6 #include <console/console.h>
   7
   8 DECLARE_REGION(fdt_pointer)
   9 uintptr_t cbmem_top_chipset(void)
  10 {
  11         const uint64_t top = fdt_get_memory_top((void *) *((uintptr_t *)_fdt_pointer));
  12
  13         if (top == 0) {
  14                 /* corrupted FDT? */
  15                 die("Could not find top of memory in FDT!");
  16         }
  17
  18         printk(BIOS_DEBUG, "%s: 0x%llx\n", __func__, top);
  19         return (uintptr_t)top;
  20 }