From d7200f3f19ae70c6fc623456c4e7ceda8e6f631d Mon Sep 17 00:00:00 2001 From: yongari Date: Thu, 20 Jan 2011 18:26:33 +0000 Subject: 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 --- sys/dev/alc/if_alc.c | 5 ++++- sys/dev/alc/if_alcreg.h | 15 ++++++++++++--- 2 files changed, 16 insertions(+), 4 deletions(-) (limited to 'sys/dev/alc') 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 -- cgit v1.1