BGE_CPMU_LSPD_10MB_CLK
reg = CSR_READ_4(sc, BGE_CPMU_LSPD_10MB_CLK);
CSR_WRITE_4(sc, BGE_CPMU_LSPD_10MB_CLK, reg);
reg = CSR_READ_4(sc, BGE_CPMU_LSPD_10MB_CLK);
reg &= ~BGE_CPMU_LSPD_10MB_CLK;
CSR_WRITE_4(sc, BGE_CPMU_LSPD_10MB_CLK, reg);