In U-Boot, the reserved memory end address is considered as a inclusive address. This notion is followed while adding a reserved memory node to the DT.
For example: end_address = start_address + size - 1
Follow the same notion and fix the end address computation while checking for existing nodes.
Signed-off-by: Atish Patra atish.patra@wdc.com Reviewed-by: Bin Meng bmeng.cn@gmail.com --- lib/fdtdec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 9ecfa2a2d743..460f0d250b4d 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1311,7 +1311,8 @@ int fdtdec_add_reserved_memory(void *blob, const char *basename, continue; }
- if (addr == carveout->start && (addr + size) == carveout->end) { + if (addr == carveout->start && (addr + size - 1) == + carveout->end) { if (phandlep) *phandlep = fdt_get_phandle(blob, node); return 0;