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-rw-r--r--hw/riscv/boot.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index 83586ae..10a601b 100644
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -194,11 +194,11 @@ uint32_t riscv_load_fdt(hwaddr dram_base, uint64_t mem_size, void *fdt)
/*
* We should put fdt as far as possible to avoid kernel/initrd overwriting
* its content. But it should be addressable by 32 bit system as well.
- * Thus, put it at an aligned address that less than fdt size from end of
- * dram or 4GB whichever is lesser.
+ * Thus, put it at an 16MB aligned address that less than fdt size from the
+ * end of dram or 3GB whichever is lesser.
*/
- temp = MIN(dram_end, 4096 * MiB);
- fdt_addr = QEMU_ALIGN_DOWN(temp - fdtsize, 2 * MiB);
+ temp = MIN(dram_end, 3072 * MiB);
+ fdt_addr = QEMU_ALIGN_DOWN(temp - fdtsize, 16 * MiB);
fdt_pack(fdt);
/* copy in the device tree */