diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_init_ops.h')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_init_ops.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/net/bnx2x/bnx2x_init_ops.h b/drivers/net/bnx2x/bnx2x_init_ops.h index aae7fea00622..e65de784182c 100644 --- a/drivers/net/bnx2x/bnx2x_init_ops.h +++ b/drivers/net/bnx2x/bnx2x_init_ops.h @@ -486,18 +486,30 @@ static void bnx2x_init_pxp_arb(struct bnx2x *bp, int r_order, int w_order) REG_WR(bp, PXP2_REG_RQ_RD_MBS0, r_order); REG_WR(bp, PXP2_REG_RQ_RD_MBS1, r_order); - if (r_order == MAX_RD_ORD) + if ((CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) && (r_order == MAX_RD_ORD)) REG_WR(bp, PXP2_REG_RQ_PDR_LIMIT, 0xe00); - REG_WR(bp, PXP2_REG_WR_USDMDP_TH, (0x18 << w_order)); + if (CHIP_IS_E2(bp)) + REG_WR(bp, PXP2_REG_WR_USDMDP_TH, (0x8 << w_order)); + else + REG_WR(bp, PXP2_REG_WR_USDMDP_TH, (0x18 << w_order)); - if (CHIP_IS_E1H(bp)) { + if (CHIP_IS_E1H(bp) || CHIP_IS_E2(bp)) { /* MPS w_order optimal TH presently TH * 128 0 0 2 * 256 1 1 3 * >=512 2 2 3 */ - val = ((w_order == 0) ? 2 : 3); + /* DMAE is special */ + if (CHIP_IS_E2(bp)) { + /* E2 can use optimal TH */ + val = w_order; + REG_WR(bp, PXP2_REG_WR_DMAE_MPS, val); + } else { + val = ((w_order == 0) ? 2 : 3); + REG_WR(bp, PXP2_REG_WR_DMAE_MPS, 2); + } + REG_WR(bp, PXP2_REG_WR_HC_MPS, val); REG_WR(bp, PXP2_REG_WR_USDM_MPS, val); REG_WR(bp, PXP2_REG_WR_CSDM_MPS, val); @@ -507,9 +519,15 @@ static void bnx2x_init_pxp_arb(struct bnx2x *bp, int r_order, int w_order) REG_WR(bp, PXP2_REG_WR_TM_MPS, val); REG_WR(bp, PXP2_REG_WR_SRC_MPS, val); REG_WR(bp, PXP2_REG_WR_DBG_MPS, val); - REG_WR(bp, PXP2_REG_WR_DMAE_MPS, 2); /* DMAE is special */ REG_WR(bp, PXP2_REG_WR_CDU_MPS, val); } + + /* Validate number of tags suppoted by device */ +#define PCIE_REG_PCIER_TL_HDR_FC_ST 0x2980 + val = REG_RD(bp, PCIE_REG_PCIER_TL_HDR_FC_ST); + val &= 0xFF; + if (val <= 0x20) + REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x20); } /**************************************************************************** |