diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2015-01-14 17:30:20 -0800 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2015-04-10 20:14:33 +0200 |
| commit | cad2b7b6e896ffd11d09f0017da1fd1f80d61c09 (patch) | |
| tree | 6f81f87cee70ce2edcbb5e635b44b2a51a8c9980 | |
| parent | cf544ac1f9a62cc58e3911c23a0b905950a0ff2f (diff) | |
broadwell: Skip steps when disabling PCIe port
When disabling PCIe ports skip steps if no card is detected.
This prevents the loop from timing out on each empty slot.
BUG=chrome-os-partner:31424
BRANCH=broadwell
TEST=build and boot on samus, check that this code is
no longer timing out when disabling PCIe ports
Change-Id: I84ee0e0e325784b3af06abe70420c07cf6e13ed2
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 4d759e2350dd00ceb7df196ac7008729dc1e4cef
Original-Change-Id: Idd88f0f1191a5465a0d8dcca07b5c3a5c5ca8855
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/240851
Original-Reviewed-by: Wenkai Du <wenkai.du@intel.com>
Original-Reviewed-by: Shawn N <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/9489
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
| -rw-r--r-- | src/soc/intel/broadwell/pcie.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/soc/intel/broadwell/pcie.c b/src/soc/intel/broadwell/pcie.c index 4476fe4f65..e217149bd3 100644 --- a/src/soc/intel/broadwell/pcie.c +++ b/src/soc/intel/broadwell/pcie.c @@ -321,12 +321,12 @@ static void root_port_commit_config(void) do { reg32 = pci_read_config32(dev, 0x328); n++; - if (((reg32 & 0xff000000) == 0x01000000) || (n > 500)) + if (((reg32 & 0xff000000) == 0x01000000) || (n > 50)) break; udelay(100); } while (1); - if (n > 500) + if (n > 50) printk(BIOS_DEBUG, "%s: Timeout waiting for 328h\n", dev_path(dev)); |