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authoryongari <yongari@FreeBSD.org>2011-01-20 18:26:33 +0000
committeryongari <yongari@FreeBSD.org>2011-01-20 18:26:33 +0000
commitd7200f3f19ae70c6fc623456c4e7ceda8e6f631d (patch)
tree2970abe43d20a295fea788a871bddf9be06f8338 /sys/dev/alc
parent6027e8465eafa96aa77f4b8ad3475e85f41b799a (diff)
downloadFreeBSD-src-d7200f3f19ae70c6fc623456c4e7ceda8e6f631d.zip
FreeBSD-src-d7200f3f19ae70c6fc623456c4e7ceda8e6f631d.tar.gz
Correct wrong definition of PM timer mask and adjust L1/PM timer
value. While I'm here enable all clocks before initializing controller. This change should fix lockup issue seen on AR8152 v1.1 PCIe Fast Ethernet controller. PR: kern/154076 MFC after: 3 days
Diffstat (limited to 'sys/dev/alc')
-rw-r--r--sys/dev/alc/if_alc.c5
-rw-r--r--sys/dev/alc/if_alcreg.h15
2 files changed, 16 insertions, 4 deletions
diff --git a/sys/dev/alc/if_alc.c b/sys/dev/alc/if_alc.c
index 4bba3d2..351ab05 100644
--- a/sys/dev/alc/if_alc.c
+++ b/sys/dev/alc/if_alc.c
@@ -677,7 +677,7 @@ alc_aspm(struct alc_softc *sc, int media)
pmcfg &= ~PM_CFG_SERDES_PD_EX_L1;
pmcfg &= ~(PM_CFG_L1_ENTRY_TIMER_MASK | PM_CFG_LCKDET_TIMER_MASK);
pmcfg |= PM_CFG_MAC_ASPM_CHK;
- pmcfg |= PM_CFG_SERDES_ENB | PM_CFG_RBER_ENB;
+ pmcfg |= (PM_CFG_LCKDET_TIMER_DEFAULT << PM_CFG_LCKDET_TIMER_SHIFT);
pmcfg &= ~(PM_CFG_ASPM_L1_ENB | PM_CFG_ASPM_L0S_ENB);
if ((sc->alc_flags & ALC_FLAG_APS) != 0) {
@@ -3148,6 +3148,9 @@ alc_init_locked(struct alc_softc *sc)
alc_init_cmb(sc);
alc_init_smb(sc);
+ /* Enable all clocks. */
+ CSR_WRITE_4(sc, ALC_CLK_GATING_CFG, 0);
+
/* Reprogram the station address. */
bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN);
CSR_WRITE_4(sc, ALC_PAR0,
diff --git a/sys/dev/alc/if_alcreg.h b/sys/dev/alc/if_alcreg.h
index f228798..93dc664 100644
--- a/sys/dev/alc/if_alcreg.h
+++ b/sys/dev/alc/if_alcreg.h
@@ -109,7 +109,7 @@
#define PM_CFG_PCIE_RECV 0x00008000
#define PM_CFG_L1_ENTRY_TIMER_MASK 0x000F0000
#define PM_CFG_PM_REQ_TIMER_MASK 0x00F00000
-#define PM_CFG_LCKDET_TIMER_MASK 0x3F000000
+#define PM_CFG_LCKDET_TIMER_MASK 0x0F000000
#define PM_CFG_EN_BUFS_RX_L0S 0x10000000
#define PM_CFG_SA_DLY_ENB 0x20000000
#define PM_CFG_MAC_ASPM_CHK 0x40000000
@@ -120,8 +120,9 @@
#define PM_CFG_LCKDET_TIMER_SHIFT 24
#define PM_CFG_L0S_ENTRY_TIMER_DEFAULT 6
-#define PM_CFG_L1_ENTRY_TIMER_DEFAULT 12
-#define PM_CFG_PM_REQ_TIMER_DEFAULT 1
+#define PM_CFG_L1_ENTRY_TIMER_DEFAULT 1
+#define PM_CFG_LCKDET_TIMER_DEFAULT 12
+#define PM_CFG_PM_REQ_TIMER_DEFAULT 12
#define ALC_LTSSM_ID_CFG 0x12FC
#define LTSSM_ID_WRO_ENB 0x00001000
@@ -724,6 +725,14 @@
#define ALC_TX_MIB_BASE 0x1760
+#define ALC_CLK_GATING_CFG 0x1814
+#define CLK_GATING_DMAW_ENB 0x0001
+#define CLK_GATING_DMAR_ENB 0x0002
+#define CLK_GATING_TXQ_ENB 0x0004
+#define CLK_GATING_RXQ_ENB 0x0008
+#define CLK_GATING_TXMAC_ENB 0x0010
+#define CLK_GATING_RXMAC_ENB 0x0020
+
#define ALC_DEBUG_DATA0 0x1900
#define ALC_DEBUG_DATA1 0x1904
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