BCE_NVM_SW_ARB
REG_WR(sc, BCE_NVM_SW_ARB, BCE_NVM_SW_ARB_ARB_REQ_SET2);
val = REG_RD(sc, BCE_NVM_SW_ARB);
REG_WR(sc, BCE_NVM_SW_ARB, BCE_NVM_SW_ARB_ARB_REQ_CLR2);
val = REG_RD(sc, BCE_NVM_SW_ARB);