WR_CACHE_3BITS
val = EIP197_HIA_xDR_CFG_WR_CACHE(WR_CACHE_3BITS);
val = EIP197_HIA_xDR_CFG_WR_CACHE(WR_CACHE_3BITS);
val |= EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(WR_CACHE_3BITS);
#define WR_CACHE_4BITS (WR_CACHE_3BITS << 1 | BIT(0))