CCR1_M_L2CST1
#define L2CST_WRTHRU CCR1_M_L2CST1
#define L2CST_WRBACK (CCR1_M_L2CST0 | CCR1_M_L2CST1)
#define L2CST_WRBACKDR (CCR1_M_L2CST1 | CCR1_M_L2CST2)