d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

TEGRA: Fix PCIe link timeout.

Browse Source 
MFC after: 2 weeks
This commit is contained in:
Michal Meloun 2016-10-04 09:14:48 +00:00
parent 9ba3abc30e
commit c7533311be
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/arm/nvidia/tegra_pcie.c
View File

@ -201,7 +201,8 @@ __FBSDID("$FreeBSD$");
#define RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE 0x20000000 #define RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE 0x20000000
#define RP_LINK_CONTROL_STATUS_LINKSTAT_MASK 0x3fff0000 #define RP_LINK_CONTROL_STATUS_LINKSTAT_MASK 0x3fff0000
#define TEGRA_PCIE_LINKUP_TIMEOUT 200 /* Wait 50 ms (per port) for link. */
#define TEGRA_PCIE_LINKUP_TIMEOUT 50000
#define TEGRA_PCIB_MSI_ENABLE #define TEGRA_PCIB_MSI_ENABLE
@ -1160,6 +1161,7 @@ tegra_pcib_wait_for_link(struct tegra_pcib_softc *sc,
RP_VEND_XP, 4); RP_VEND_XP, 4);
if (reg & RP_VEND_XP_DL_UP) if (reg & RP_VEND_XP_DL_UP)
break; break;
DELAY(1);
} }
if (i <= 0) if (i <= 0)
@ -1171,6 +1173,7 @@ tegra_pcib_wait_for_link(struct tegra_pcib_softc *sc,
if (reg & RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE) if (reg & RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE)
break; break;
DELAY(1);
} }
if (i <= 0) if (i <= 0)
return (ETIMEDOUT); return (ETIMEDOUT);