summaryrefslogtreecommitdiff
path: root/Omap35xxPkg
diff options
context:
space:
mode:
authorandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-03-05 07:10:52 +0000
committerandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-03-05 07:10:52 +0000
commit51866b5465c1d316a66d7c697f7e14ee293e1064 (patch)
treee1f049a73479d3d4f401e2fe7b1bcfb839ff4846 /Omap35xxPkg
parent0c1a4aa69a1810ae053afa62c913e371d89a496e (diff)
downloadedk2-platforms-51866b5465c1d316a66d7c697f7e14ee293e1064.tar.xz
Update USB init code to do a softreset.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10208 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Omap35xxPkg')
-rw-r--r--Omap35xxPkg/Include/Omap3530/Omap3530Usb.h1
-rw-r--r--Omap35xxPkg/PciEmulation/PciEmulation.c6
2 files changed, 7 insertions, 0 deletions
diff --git a/Omap35xxPkg/Include/Omap3530/Omap3530Usb.h b/Omap35xxPkg/Include/Omap3530/Omap3530Usb.h
index 5ffaa9d8e4..73f7f7640f 100644
--- a/Omap35xxPkg/Include/Omap3530/Omap3530Usb.h
+++ b/Omap35xxPkg/Include/Omap3530/Omap3530Usb.h
@@ -26,6 +26,7 @@
#define UHH_SYSCONFIG_CLOCKACTIVITY_ON (1UL << 8)
#define UHH_SYSCONFIG_SIDLEMODE_NO_STANDBY (1UL << 3)
#define UHH_SYSCONFIG_ENAWAKEUP_ENABLE (1UL << 2)
+#define UHH_SYSCONFIG_SOFTRESET (1UL << 1)
#define UHH_SYSCONFIG_AUTOIDLE_ALWAYS_RUN (0UL << 0)
#define UHH_HOSTCONFIG_P3_CONNECT_STATUS_DISCONNECT (0UL << 10)
diff --git a/Omap35xxPkg/PciEmulation/PciEmulation.c b/Omap35xxPkg/PciEmulation/PciEmulation.c
index bdba40353f..3e49f8a1bc 100644
--- a/Omap35xxPkg/PciEmulation/PciEmulation.c
+++ b/Omap35xxPkg/PciEmulation/PciEmulation.c
@@ -62,6 +62,12 @@ ConfigureUSBHost (
EFI_STATUS Status;
UINT8 Data = 0;
+ // Do a softreset
+ MmioOr32 (UHH_SYSCONFIG, UHH_SYSCONFIG_SOFTRESET);
+ // When the bit clears reset is complete
+ while ((MmioRead32 (UHH_SYSCONFIG) & UHH_SYSCONFIG_SOFTRESET) == UHH_SYSCONFIG_SOFTRESET);
+
+
// Take USB host out of force-standby mode
MmioWrite32 (UHH_SYSCONFIG, UHH_SYSCONFIG_MIDLEMODE_NO_STANDBY
| UHH_SYSCONFIG_CLOCKACTIVITY_ON