diff options
| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2018-07-12 15:36:26 +0200 |
|---|---|---|
| committer | Patrick Rudolph <siro@das-labor.org> | 2018-07-17 08:15:10 +0000 |
| commit | 780114fb07d3cc1429307497584ecd03d6f5bc02 (patch) | |
| tree | 23c52001d0aa6778b0650bde23a904adcae976fb | |
| parent | bb11232210347a736fc24b69ad25faade70f00cb (diff) | |
| download | coreboot-780114fb07d3cc1429307497584ecd03d6f5bc02.tar.xz | |
cavium/bdk: Poke the watchdog while PCIe init
Prevent a reboot loop due to slow PCIe init.
Poke the watchdog a few times.
Change-Id: I03739d7dbad3072ccf77364fa4caba42c66ac643
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/27455
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/vendorcode/cavium/bdk/libbdk-boot/bdk-boot-pcie.c | 1 | ||||
| -rw-r--r-- | src/vendorcode/cavium/bdk/libbdk-hal/bdk-pcie-cn8xxx.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/bdk/libbdk-boot/bdk-boot-pcie.c b/src/vendorcode/cavium/bdk/libbdk-boot/bdk-boot-pcie.c index b03c2e03ee..d52d6e9053 100644 --- a/src/vendorcode/cavium/bdk/libbdk-boot/bdk-boot-pcie.c +++ b/src/vendorcode/cavium/bdk/libbdk-boot/bdk-boot-pcie.c @@ -61,6 +61,7 @@ void bdk_boot_pcie(void) { BDK_TRACE(INIT, "Initializing PCIe%d on Node %d\n", p, n); bdk_pcie_rc_initialize(n, p); + bdk_watchdog_poke(); } } } diff --git a/src/vendorcode/cavium/bdk/libbdk-hal/bdk-pcie-cn8xxx.c b/src/vendorcode/cavium/bdk/libbdk-hal/bdk-pcie-cn8xxx.c index 16034d27c3..6675fd50e1 100644 --- a/src/vendorcode/cavium/bdk/libbdk-hal/bdk-pcie-cn8xxx.c +++ b/src/vendorcode/cavium/bdk/libbdk-hal/bdk-pcie-cn8xxx.c @@ -549,6 +549,7 @@ static uint32_t cfg_read32_retry(bdk_node_t node, int pcie_port, int bus, int de return val; /* Failed, wait a little and try again */ bdk_wait_usec(10000); + bdk_watchdog_poke(); } while (bdk_clock_get_count(BDK_CLOCK_TIME) < timeout); BDK_TRACE(PCIE, "N%d.PCIe%d: Config read failed, can't communicate with device\n", @@ -1123,6 +1124,7 @@ int bdk_pcie_rc_initialize(bdk_node_t node, int pcie_port) return -1; } retry_count++; + bdk_watchdog_poke(); } /* Errata PCIE-28816: Link retrain initiated at GEN1 can cause PCIE |