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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)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Tue, 16 Nov 2021 12:00:22 +0000 (13:00 +0100)
commit0ac00d61500685b157ccafe1001a1bb54dad9063
tree0b628200adfee46fc7d4db27033d57ddeb73bb85tree | snapshot
parentaa4ff0350adf936b45b90d2ac984a0409a78e779commit | 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;