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-rw-r--r--drivers/net/tg3.c16
-rw-r--r--drivers/net/tg3.h14
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b0630cd093a..b80e7eef8af 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7569,6 +7569,20 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
}
+ if (tp->tg3_flags3 & TG3_FLG3_L1PLLPD_EN) {
+ u32 grc_mode = tr32(GRC_MODE);
+
+ /* Access the lower 1K of PL PCIE block registers. */
+ val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
+ tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
+
+ val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
+ tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
+ val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
+
+ tw32(GRC_MODE, grc_mode);
+ }
+
/* This works around an issue with Athlon chipsets on
* B3 tigon3 silicon. This bit has no effect on any
* other revision. But do not set this on PCI Express
@@ -13096,6 +13110,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
+ } else if (tp->pci_chip_rev_id == CHIPREV_ID_5717_A0) {
+ tp->tg3_flags3 |= TG3_FLG3_L1PLLPD_EN;
}
} else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index cd30889650f..44a505d07e2 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1540,6 +1540,8 @@
#define GRC_MODE_HOST_SENDBDS 0x00020000
#define GRC_MODE_NO_TX_PHDR_CSUM 0x00100000
#define GRC_MODE_NVRAM_WR_ENABLE 0x00200000
+#define GRC_MODE_PCIE_TL_SEL 0x00000000
+#define GRC_MODE_PCIE_PL_SEL 0x00400000
#define GRC_MODE_NO_RX_PHDR_CSUM 0x00800000
#define GRC_MODE_IRQ_ON_TX_CPU_ATTN 0x01000000
#define GRC_MODE_IRQ_ON_RX_CPU_ATTN 0x02000000
@@ -1547,7 +1549,13 @@
#define GRC_MODE_IRQ_ON_DMA_ATTN 0x08000000
#define GRC_MODE_IRQ_ON_FLOW_ATTN 0x10000000
#define GRC_MODE_4X_NIC_SEND_RINGS 0x20000000
+#define GRC_MODE_PCIE_DL_SEL 0x20000000
#define GRC_MODE_MCAST_FRM_ENABLE 0x40000000
+#define GRC_MODE_PCIE_HI_1K_EN 0x80000000
+#define GRC_MODE_PCIE_PORT_MASK (GRC_MODE_PCIE_TL_SEL | \
+ GRC_MODE_PCIE_PL_SEL | \
+ GRC_MODE_PCIE_DL_SEL | \
+ GRC_MODE_PCIE_HI_1K_EN)
#define GRC_MISC_CFG 0x00006804
#define GRC_MISC_CFG_CORECLK_RESET 0x00000001
#define GRC_MISC_CFG_PRESCALAR_MASK 0x000000fe
@@ -1801,6 +1809,11 @@
/* 0x7e74 --> 0x8000 unused */
+/* Alternate PCIE definitions */
+#define TG3_PCIE_TLDLPL_PORT 0x00007c00
+#define TG3_PCIE_PL_LO_PHYCTL1 0x00000004
+#define TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN 0x00001000
+
/* OTP bit definitions */
#define TG3_OTP_AGCTGT_MASK 0x000000e0
#define TG3_OTP_AGCTGT_SHIFT 1
@@ -2809,6 +2822,7 @@ struct tg3 {
#define TG3_FLG3_40BIT_DMA_LIMIT_BUG 0x00100000
#define TG3_FLG3_SHORT_DMA_BUG 0x00200000
#define TG3_FLG3_USE_JUMBO_BDFLAG 0x00400000
+#define TG3_FLG3_L1PLLPD_EN 0x00800000
struct timer_list timer;
u16 timer_counter;