board: rpi: Pass CMA through from firmware DT
For a lot of usecases, such as display, camera, media
the Raspberry Pi needs a lot more CMA than distros
configure as default so we should pass this parameter
through so things work as expected. Fix a spelling
mistake while we're at it.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Matthias Brugger <mbrugger@suse.com>
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 9122f33..5b6df53b 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -545,12 +545,15 @@
if (fdt == fw_fdt)
return;
- /* The firmware provides a more precie model; so copy that */
+ /* The firmware provides a more precise model; so copy that */
copy_property(fdt, fw_fdt, "/", "model");
/* memory reserve as suggested by the firmware */
copy_property(fdt, fw_fdt, "/", "memreserve");
+ /* copy the CMA memory setting from the firmware DT to linux */
+ copy_property(fdt, fw_fdt, "/reserved-memory/linux,cma", "size");
+
/* Adjust dma-ranges for the SD card and PCI bus as they can depend on
* the SoC revision
*/