R_00000D_SCLK_CNTL
tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
sclk_cntl = RREG32_PLL(R_00000D_SCLK_CNTL);
WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl);