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author | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
commit | 9e80202352dd49bdd9e67b8b906d86f058431505 (patch) | |
tree | 5673c17aad6e3833da8c4ff21b5a11f666ec9fbe /src/roms/SLOF/board-qemu/slof/pci-capabilities.fs | |
download | hqemu-master.zip hqemu-master.tar.gz |
Diffstat (limited to 'src/roms/SLOF/board-qemu/slof/pci-capabilities.fs')
-rw-r--r-- | src/roms/SLOF/board-qemu/slof/pci-capabilities.fs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/roms/SLOF/board-qemu/slof/pci-capabilities.fs b/src/roms/SLOF/board-qemu/slof/pci-capabilities.fs new file mode 100644 index 0000000..ef8c7b0 --- /dev/null +++ b/src/roms/SLOF/board-qemu/slof/pci-capabilities.fs @@ -0,0 +1,34 @@ +\ Set up all known capabilities for this board to the plugged devices + +: pci-msi-prop ( addr -- ) + 5 pci-cap-find ( capaddr ) + ?dup IF + 2+ rtas-config-w@ ( msi-control ) + 1 rshift 7 and ( msi-control:3:1 ) + + dup 6 < IF + 1 swap lshift ( vectors# ) + encode-int " ibm,req#msi" property + ELSE + ." Invalid MSI vectors number " . cr + THEN + THEN +; + +: pci-msix-prop ( addr -- ) + 11 pci-cap-find ( capaddr ) + ?dup IF + 2+ rtas-config-w@ ( msix-control ) + 7ff and ( msix-control:10:0 ) + 1+ ( vectors# ) + ?dup IF + encode-int " ibm,req#msi-x" property + THEN + THEN +; + +: pci-set-capabilities ( config-addr -- ) + dup pci-msi-prop + dup pci-msix-prop + drop +; |