ixCGTT_ROM_CLK_CTRL0
temp = data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0);
WREG32_SMC(ixCGTT_ROM_CLK_CTRL0, data);
data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0);
mmSMC_IND_INDEX_4, 0xffffffff, ixCGTT_ROM_CLK_CTRL0,