---

yaml --- r: 183699 b: refs/heads/master c: 614b059 h: refs/heads/master i: 183697: 51dc457 183695: 3a2d654 v: v3
git-mirror · Jan 21, 2010 · b632860 · b632860
1 parent fd381b9
commit b632860
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Showing 3 changed files with 31 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7981d6f6b280d28779343cff4a88029fe53d1b47
+refs/heads/master: 614b05900ec3516b835cd06f848ef6bc915beeea
diff --git a/trunk/drivers/net/tg3.c b/trunk/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/trunk/drivers/net/tg3.h b/trunk/drivers/net/tg3.h
@@ -1540,14 +1540,22 @@
 #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
 #define  GRC_MODE_IRQ_ON_MAC_ATTN	0x04000000
 #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;