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| author | Thomas Huth <thuth@linux.vnet.ibm.com> | 2011-12-07 18:19:30 +0100 |
|---|---|---|
| committer | Thomas Huth <thuth@linux.vnet.ibm.com> | 2011-12-20 17:56:48 +0100 |
| commit | c6f186273f44b2e6499698e2970f7bb74b3911c7 (patch) | |
| tree | 22e03a4162ad5a03ba687ff1f26ed86b5cc7abcd /board-js2x | |
| parent | 631dd47cc8be019abf7c08d229ff659a0bccc20e (diff) | |
| download | SLOF-c6f186273f44b2e6499698e2970f7bb74b3911c7.zip SLOF-c6f186273f44b2e6499698e2970f7bb74b3911c7.tar.gz SLOF-c6f186273f44b2e6499698e2970f7bb74b3911c7.tar.bz2 | |
JS2x: Fixed config space access functions.
According to the PCI bus binding to Open Firmware, the uppermost byte can
contain some description bits when doing "config-l@" and the like. For
accessing the config space via MMIO, we've got to mask them away.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Diffstat (limited to 'board-js2x')
| -rw-r--r-- | board-js2x/slof/tree.fs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/board-js2x/slof/tree.fs b/board-js2x/slof/tree.fs index fe43955..26f441d 100644 --- a/board-js2x/slof/tree.fs +++ b/board-js2x/slof/tree.fs @@ -15,7 +15,14 @@ 0 value puid : >conf-rtas ( config-addr -- config-addr ) - puid f2000000 >= IF dup ffff > IF 1000000 + THEN THEN puid + ; + puid f2000000 >= IF + ffffff AND \ Mask away highest byte for normal PCI + dup ffff > IF + 1000000 + + THEN + THEN + puid + +; : rtas-config-b@ ( config-addr -- value ) >conf-rtas rb@ ; : rtas-config-b! ( value config-addr -- ) >conf-rtas rb! ; |