From 623da5ca70b70f01cd483585f5cd4c463cf2f2da Mon Sep 17 00:00:00 2001 From: Geetha sowjanya Date: Sun, 22 Aug 2021 17:32:27 +0530 Subject: [PATCH] octeontx2-af: cn10k: Use FLIT0 register instead of FLIT1 RVU SMMU widget stores the final translated PA at RVU_AF_SMMU_TLN_FLIT0<57:18> instead of FLIT1 register. This patch fixes the address translation logic to use the correct register. Fixes: 893ae97214c3 ("octeontx2-af: cn10k: Support configurable LMTST regions") Signed-off-by: Geetha sowjanya Signed-off-by: Sunil Goutham Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c | 4 ++-- drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c index 28dcce7..dbe9149 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c @@ -82,10 +82,10 @@ static int rvu_get_lmtaddr(struct rvu *rvu, u16 pcifunc, dev_err(rvu->dev, "%s LMTLINE iova transulation failed err:%llx\n", __func__, val); return -EIO; } - /* PA[51:12] = RVU_AF_SMMU_TLN_FLIT1[60:21] + /* PA[51:12] = RVU_AF_SMMU_TLN_FLIT0[57:18] * PA[11:0] = IOVA[11:0] */ - pa = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_TLN_FLIT1) >> 21; + pa = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_TLN_FLIT0) >> 18; pa &= GENMASK_ULL(39, 0); *lmt_addr = (pa << 12) | (iova & 0xFFF); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h index 6efcf3a..960ee1c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h @@ -53,7 +53,7 @@ #define RVU_AF_SMMU_TXN_REQ (0x6008) #define RVU_AF_SMMU_ADDR_RSP_STS (0x6010) #define RVU_AF_SMMU_ADDR_TLN (0x6018) -#define RVU_AF_SMMU_TLN_FLIT1 (0x6030) +#define RVU_AF_SMMU_TLN_FLIT0 (0x6020) /* Admin function's privileged PF/VF registers */ #define RVU_PRIV_CONST (0x8000000) -- 2.7.4