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Diffstat (limited to 'drivers/net/bnx2x/bnx2x_init_ops.h')
-rw-r--r--drivers/net/bnx2x/bnx2x_init_ops.h28
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);
}
/****************************************************************************
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