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| author | mmel <mmel@FreeBSD.org> | 2016-11-05 04:32:46 +0000 |
|---|---|---|
| committer | mmel <mmel@FreeBSD.org> | 2016-11-05 04:32:46 +0000 |
| commit | 448c6f9c78f1869e20237a895d1b69ec74e0a797 (patch) | |
| tree | 0c8c3b7ed800d658882713114997c87d8e6d89db /sys/arm/nvidia | |
| parent | afeb7b35574a4dd2c8cc3849c07be5c12820e1d5 (diff) | |
| download | FreeBSD-src-448c6f9c78f1869e20237a895d1b69ec74e0a797.zip FreeBSD-src-448c6f9c78f1869e20237a895d1b69ec74e0a797.tar.gz | |
MFC r306666:
TEGRA: Fix PCIe link timeout.
Diffstat (limited to 'sys/arm/nvidia')
| -rw-r--r-- | sys/arm/nvidia/tegra_pcie.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/arm/nvidia/tegra_pcie.c b/sys/arm/nvidia/tegra_pcie.c index 4e8013a..c36cae5 100644 --- a/sys/arm/nvidia/tegra_pcie.c +++ b/sys/arm/nvidia/tegra_pcie.c @@ -293,7 +293,8 @@ tegra_pci_get_ranges(phandle_t node, struct tegra_pci_range **ranges) #define RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE 0x20000000 #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 DEBUG #ifdef DEBUG @@ -1257,6 +1258,7 @@ tegra_pcib_wait_for_link(struct tegra_pcib_softc *sc, RP_VEND_XP, 4); if (reg & RP_VEND_XP_DL_UP) break; + DELAY(1); } if (i <= 0) @@ -1268,6 +1270,7 @@ tegra_pcib_wait_for_link(struct tegra_pcib_softc *sc, if (reg & RP_LINK_CONTROL_STATUS_DL_LINK_ACTIVE) break; + DELAY(1); } if (i <= 0) return (ETIMEDOUT); |
