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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/SLOF/board-qemu/slof/pci-capabilities.fs | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/SLOF/board-qemu/slof/pci-capabilities.fs')
| -rw-r--r-- | roms/SLOF/board-qemu/slof/pci-capabilities.fs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/roms/SLOF/board-qemu/slof/pci-capabilities.fs b/roms/SLOF/board-qemu/slof/pci-capabilities.fs new file mode 100644 index 00000000..ef8c7b0d --- /dev/null +++ b/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 +; |