soc/mediatek/mt8186: Enable mmu operation for L2C SRAM and DMA

1. Turn off L2C SRAM and reconfigure as L2 cache
   Mediatek SoC uses part of the L2 cache as SRAM before DRAM is ready.
   After DRAM is ready, we should invoke disable_l2c_sram to reconfigure
   the L2C SRAM as L2 cache.

2. Configure DMA buffer in DRAM
   Set DRAM DMA to be non-cacheable to load blob correctly.

TEST=build pass
BUG=b:202871018

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: If56d29cdd7d9dfaed05e129754aa1f887a581482
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59247
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

0 files changed, 0 insertions, 0 deletions