mmBIOS_SCRATCH_0
adev->bios_scratch_reg_offset = mmBIOS_SCRATCH_0;
bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);
bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);
bios_0_scratch = RREG32(mmBIOS_SCRATCH_0);
WREG32(mmBIOS_SCRATCH_0, bios_0_scratch);
{ CMD_WRITE, mmBIOS_SCRATCH_0, 0, 0, 0, 0 },