write_l2_cache
write_l2_cache(ARMADAXP_L2_INV_WAY, ALL_WAYS);
write_l2_cache(ARMADAXP_L2_AUX_CTRL, reg);
write_l2_cache(ARMADAXP_L2_INT_CAUSE, 0x1ff);
write_l2_cache(ARMADAXP_L2_CTRL, reg | L2_ENABLE);
write_l2_cache(ARMADAXP_L2_CNTR_CONF(0), 0xf0000 | (4 << 2));
write_l2_cache(ARMADAXP_L2_CNTR_CONF(1), 0xf0000 | (2 << 2));
write_l2_cache(ARMADAXP_L2_CNTR_CTRL, 0x303);