rpi: Set bootm_size to 512MB
Set this option so that all boot images stay within the bottom 512MB of
memory. This should allow us to drop the fdt_high and initrd_high
options.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Suggested-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Christopher Obbard <christopher.obbard@linaro.org>
Tested-by: Christopher Obbard <christopher.obbard@linaro.org> # CM4 1G
diff --git a/board/raspberrypi/rpi/rpi.env b/board/raspberrypi/rpi/rpi.env
index 3022828..a327fcc 100644
--- a/board/raspberrypi/rpi/rpi.env
+++ b/board/raspberrypi/rpi/rpi.env
@@ -60,7 +60,12 @@
* Even with the smallest possible CPU-GPU memory split of the CPU getting
* only 64M, the remaining 25M starting at 0x02700000 should allow quite
* large initrds before they start colliding with U-Boot.
+ *
+ * Limit bootm_size to 512MB so that all boot images stay within the bottom
+ * 512MB of memory
*/
+bootm_size=0x20000000
+
#ifdef CONFIG_ARM64
fdt_high=ffffffffffffffff
initrd_high=ffffffffffffffff