Author: jmallett
Date: Mon Sep 27 20:35:40 2010
New Revision: 213230
URL: http://svn.freebsd.org/changeset/base/213230
Log:
Give devices lots of time to settle around programming BARs and command
registers. Without this, the settings do not seem to stick for Atheros NICs in
the PCI slot of the Lanner MR-320.
Modified:
head/sys/mips/cavium/octopci.c
Modified: head/sys/mips/cavium/octopci.c
==============================================================================
--- head/sys/mips/cavium/octopci.c Mon Sep 27 20:31:03 2010 (r213229)
+++ head/sys/mips/cavium/octopci.c Mon Sep 27 20:35:40 2010 (r213230)
@@ -659,6 +659,8 @@ octopci_init_device(device_t dev, unsign
command &= ~(PCIM_CMD_MEMEN | PCIM_CMD_PORTEN);
octopci_write_config(dev, b, s, f, PCIR_COMMAND, command, 1);
+ DELAY(10000);
+
/* Program BARs. */
switch (hdrtype & PCIM_HDRTYPE) {
case PCIM_HDRTYPE_NORMAL:
@@ -685,6 +687,8 @@ octopci_init_device(device_t dev, unsign
/* Enable whatever facilities the BARs require. */
octopci_write_config(dev, b, s, f, PCIR_COMMAND, command, 1);
+ DELAY(10000);
+
/*
* Set cache line size. On Octeon it should be 128 bytes,
* but according to Linux some Intel bridges have trouble