diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c index 4f5ca5ab13a4..e2a33e46b48a 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c @@ -464,6 +464,23 @@ int rvu_mbox_handler_npa_lf_free(struct rvu *rvu, struct msg_req *req, return 0; } +static void npa_aq_ndc_config(struct rvu *rvu, struct rvu_block *block) +{ + u64 cfg; + + if (is_cn20k(rvu->pdev)) /* NDC not applicable to cn20k */ + return; + + /* Do not bypass NDC cache */ + cfg = rvu_read64(rvu, block->addr, NPA_AF_NDC_CFG); + cfg &= ~0x03DULL; +#ifdef CONFIG_NDC_DIS_DYNAMIC_CACHING + /* Disable caching of stack pages */ + cfg |= 0x10ULL; +#endif + rvu_write64(rvu, block->addr, NPA_AF_NDC_CFG, cfg); +} + static int npa_aq_init(struct rvu *rvu, struct rvu_block *block) { u64 cfg; @@ -479,14 +496,7 @@ static int npa_aq_init(struct rvu *rvu, struct rvu_block *block) rvu_write64(rvu, block->addr, NPA_AF_GEN_CFG, cfg); #endif - /* Do not bypass NDC cache */ - cfg = rvu_read64(rvu, block->addr, NPA_AF_NDC_CFG); - cfg &= ~0x03DULL; -#ifdef CONFIG_NDC_DIS_DYNAMIC_CACHING - /* Disable caching of stack pages */ - cfg |= 0x10ULL; -#endif - rvu_write64(rvu, block->addr, NPA_AF_NDC_CFG, cfg); + npa_aq_ndc_config(rvu, block); /* For CN10K NPA BATCH DMA set 35 cache lines */ if (!is_rvu_otx2(rvu)) { @@ -567,6 +577,9 @@ int rvu_ndc_fix_locked_cacheline(struct rvu *rvu, int blkaddr) int bank, max_bank, line, max_line, err; u64 reg, ndc_af_const; + if (is_cn20k(rvu->pdev)) /* NDC not applicable to cn20k */ + return 0; + /* Set the ENABLE bit(63) to '0' */ reg = rvu_read64(rvu, blkaddr, NDC_AF_CAMS_RD_INTERVAL); rvu_write64(rvu, blkaddr, NDC_AF_CAMS_RD_INTERVAL, reg & GENMASK_ULL(62, 0)); |