bootm: Align cache flush end address correctly
Flushing part of the cache should be done on cache boundaries. Trying to
flush part of a cache line is not supported and the request may be ignored
or print warnings.
Adjust the bootm code to align the end address to prevent this problem.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Tested-on: smartweb, corvus, taurus, axm
Tested-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
diff --git a/common/bootm.c b/common/bootm.c
index 4941414..2431019 100644
--- a/common/bootm.c
+++ b/common/bootm.c
@@ -445,7 +445,7 @@
bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
return err;
}
- flush_cache(load, *load_end - load);
+ flush_cache(load, ALIGN(*load_end - load, ARCH_DMA_MINALIGN));
debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);