diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/SLOF/slof/fs/pci-bridge.fs | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/SLOF/slof/fs/pci-bridge.fs')
-rw-r--r-- | qemu/roms/SLOF/slof/fs/pci-bridge.fs | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/slof/fs/pci-bridge.fs b/qemu/roms/SLOF/slof/fs/pci-bridge.fs new file mode 100644 index 000000000..e6af7b65c --- /dev/null +++ b/qemu/roms/SLOF/slof/fs/pci-bridge.fs @@ -0,0 +1,65 @@ +\ ***************************************************************************** +\ * Copyright (c) 2004, 2008 IBM Corporation +\ * All rights reserved. +\ * This program and the accompanying materials +\ * are made available under the terms of the BSD License +\ * which accompanies this distribution, and is available at +\ * http://www.opensource.org/licenses/bsd-license.php +\ * +\ * Contributors: +\ * IBM Corporation - initial implementation +\ ****************************************************************************/ + +\ get the PUID from the node above +get-node CONSTANT my-phandle +s" my-puid" my-phandle parent $call-static CONSTANT my-puid + +\ Save the bus number provided by this bridge +pci-bus-number 1+ CONSTANT my-bus + +s" pci-config-bridge.fs" included +s" dma-function.fs" included + +\ generate the rom-fs filename from the vendor and device ID "pci-bridge_VENDORID_DEVICEID.fs" +: filename ( -- str len ) + s" pci-bridge_" + my-space pci-vendor@ 4 int2str $cat + s" _" $cat + my-space pci-device@ 4 int2str $cat + s" .fs" $cat +; + +\ Set up the Bridge with either default or special settings +: setup ( -- ) + \ is there special handling for this device, given vendor and device id? + filename romfs-lookup ?dup + IF + \ give it a special treatment + evaluate + ELSE + \ no special handling for this device, attempt autoconfiguration + my-space pci-class-name type 2a emit cr + my-space pci-bridge-generic-setup + my-space pci-reset-2nd + THEN +; + +\ Disable Bus Master, Memory Space and I/O Space for +\ this device and so for the scanning for the devices behind +pci-device-disable + +\ Enalbe #PERR and #SERR reporting +pci-error-enable + +\ Print out device information +my-space 42 pci-out \ config-addr ascii('B') + +\ and set up the bridge +setup + +\ And enable Bus Master IO and MEM access again. +\ we need that on bridges so that the devices behind +\ can set their state on their own. +pci-master-enable +pci-mem-enable +pci-io-enable |