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samsung: tizen_rpi: add swiotlb value to 8192 on 32bit
authorJaehoon Chung <jh80.chung@samsung.com>
Mon, 11 Jan 2021 07:36:57 +0000 (16:36 +0900)
committerJaehoon Chung <jh80.chung@samsung.com>
Wed, 12 Oct 2022 05:48:05 +0000 (14:48 +0900)
commit83364fa2a4d884fdc8018b4dcaafd0f0e5087776
tree28548a917f64f493b01a396532c7029aeea55fc6tree | snapshot
parent8f6d5da85d45b82ffec565315b0dcab6363939d8commit | diff
samsung: tizen_rpi: add swiotlb value to 8192 on 32bit

When 32bit kernel is booting, kernel is reserving memory for SWIOTLB about
64MB. It seems that doesn't need to use full size.
After set 'swiotlb=8192', SWIOTLB is reserved to 16MB.
Then it can save 48MB memory to use ZONE_DMA.

Change-Id: I1a1659cbff2120da755b14f1b373715bc10027c4
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
include/samsung/tizen_rpi.h diff | blob | history
Domain: System / Kernel;