SSPM is "Secure System Power Manager" that provides power control in
secure domain. The initialization flow is to load SSPM firmware to its
SRAM space and then enable it.
It takes 20 ms to load sspm.bin.
coreboot logs:
CBFS: Found 'sspm.bin' @0x62c00 size 0x21ab6 in mcache @0xfffdd314
mtk_init_mcu: Loaded (and reset) sspm.bin in 20 msecs (256212 bytes)
TEST=can see the sspm logs.
BUG=b:372173976
Change-Id: Ic56f0bad2f4cbf11d5711425d57c3b5b6bf283f0
Signed-off-by: Kenji Yu <kenji.yu@mediatek.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85516
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
16ab83b34a