[PATCH v2 1/1] remoteproc: mediatek: enable cache for mt8186 SCP

[AngeloGioacchino Del Regno]

Il 01/07/22 14:12, Allen-KH Cheng ha scritto:
> This patch is for enableing cache in SCP. There is not enough space
> on the SRAM of SCP. We need to run programs in DRAM. The DRAM power
> and latency is much larger than SRAM, so cache is used to mitigate
> the negative effects for performance. we set SCP registers for cache
> size before loading SCP FW. (8KB+8KB) and also adjust ipi_buf_offset
> in SRAM from 0x7bdb0 to 0x3BDB0 for enableing cache.
> 
> This patch was tested on MediaTek mt8186.
> 
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng at mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>