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-rw-r--r--drivers/net/tg3.c16
-rw-r--r--drivers/net/tg3.h4
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b2b1ba168c88..09f2c11db247 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7990,6 +7990,22 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32(GRC_MODE, grc_mode);
}
+ if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_57765_AX) {
+ u32 grc_mode = tr32(GRC_MODE);
+
+ /* Access the lower 1K of DL PCIE block registers. */
+ val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
+ tw32(GRC_MODE, val | GRC_MODE_PCIE_DL_SEL);
+
+ val = tr32(TG3_PCIE_TLDLPL_PORT +
+ TG3_PCIE_DL_LO_FTSMAX);
+ val &= ~TG3_PCIE_DL_LO_FTSMAX_MSK;
+ tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_DL_LO_FTSMAX,
+ val | TG3_PCIE_DL_LO_FTSMAX_VAL);
+
+ tw32(GRC_MODE, grc_mode);
+ }
+
val = tr32(TG3_CPMU_LSPD_10MB_CLK);
val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
val |= CPMU_LSPD_10MB_MACCLK_6_25;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index ce010cd33895..330959b9cfbc 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -180,6 +180,7 @@
#define CHIPREV_5750_BX 0x41
#define CHIPREV_5784_AX 0x57840
#define CHIPREV_5761_AX 0x57610
+#define CHIPREV_57765_AX 0x577650
#define GET_METAL_REV(CHIP_REV_ID) ((CHIP_REV_ID) & 0xff)
#define METAL_REV_A0 0x00
#define METAL_REV_A1 0x01
@@ -1951,6 +1952,9 @@
/* Alternate PCIE definitions */
#define TG3_PCIE_TLDLPL_PORT 0x00007c00
+#define TG3_PCIE_DL_LO_FTSMAX 0x0000000c
+#define TG3_PCIE_DL_LO_FTSMAX_MSK 0x000000ff
+#define TG3_PCIE_DL_LO_FTSMAX_VAL 0x0000002c
#define TG3_PCIE_PL_LO_PHYCTL1 0x00000004
#define TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN 0x00001000
#define TG3_PCIE_PL_LO_PHYCTL5 0x00000014