ixPB1_PIF_PWRDOWN_0
orig = data = RREG32_PCIE(ixPB1_PIF_PWRDOWN_0);
WREG32_PCIE(ixPB1_PIF_PWRDOWN_0, data);
orig = data = si_pif_phy1_rreg(adev,ixPB1_PIF_PWRDOWN_0);
si_pif_phy1_wreg(adev,ixPB1_PIF_PWRDOWN_0, data);
orig = data = si_pif_phy1_rreg(adev,ixPB1_PIF_PWRDOWN_0);
si_pif_phy1_wreg(adev,ixPB1_PIF_PWRDOWN_0, data);