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| author | gallatin <gallatin@FreeBSD.org> | 1999-10-12 22:10:53 +0000 |
|---|---|---|
| committer | gallatin <gallatin@FreeBSD.org> | 1999-10-12 22:10:53 +0000 |
| commit | aaf5afc559ee01cf65d4a7cc2e849052a96534a7 (patch) | |
| tree | 1c58bf2d0c15553dbd0c5adecbebbe14db4b5a8e /sys/alpha/pci/tsunami.c | |
| parent | 229cdb91443142db582b7e32098f62f6446c3f3a (diff) | |
| download | FreeBSD-src-aaf5afc559ee01cf65d4a7cc2e849052a96534a7.zip FreeBSD-src-aaf5afc559ee01cf65d4a7cc2e849052a96534a7.tar.gz | |
allow pci_ioctl to work with multi-hose alphas.
Rather than teaching pci_ioctl about hoses, we just pass down a magic number
& let the platform code figure out what the hose is based on what the bus
number is.
concept approved by dfr
Diffstat (limited to 'sys/alpha/pci/tsunami.c')
| -rw-r--r-- | sys/alpha/pci/tsunami.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sys/alpha/pci/tsunami.c b/sys/alpha/pci/tsunami.c index 48cdd45..5468a62 100644 --- a/sys/alpha/pci/tsunami.c +++ b/sys/alpha/pci/tsunami.c @@ -275,9 +275,13 @@ tsunami_check_abort(void) KV(TSUNAMI_CONF(h) | ((b) << 16) | ((s) << 11) | ((f) << 8) | (r)) #define CFGREAD(h, b, s, f, r, op, width, type) \ - int bus = tsunami_bus_within_hose(h, b) ? b : 0; \ - vm_offset_t va = TSUNAMI_CFGADDR(bus, s, f, r, h); \ + int bus; \ + vm_offset_t va; \ type data; \ + if (h == (u_int8_t)-1) \ + h = tsunami_hose_from_bus(b); \ + bus = tsunami_bus_within_hose(h, b) ? b : 0; \ + va = TSUNAMI_CFGADDR(bus, s, f, r, h); \ tsunami_clear_abort(); \ if (badaddr((caddr_t)va, width)) { \ tsunami_check_abort(); \ @@ -289,8 +293,12 @@ tsunami_check_abort(void) return data; #define CFWRITE(h, b, s, f, r, data, op, width) \ - int bus = tsunami_bus_within_hose(h, b) ? b : 0; \ - vm_offset_t va = TSUNAMI_CFGADDR(bus, s, f, r, h); \ + int bus; \ + vm_offset_t va; \ + if (h == (u_int8_t)-1) \ + h = tsunami_hose_from_bus(b); \ + bus = tsunami_bus_within_hose(h, b) ? b : 0; \ + va = TSUNAMI_CFGADDR(bus, s, f, r, h); \ tsunami_clear_abort(); \ if (badaddr((caddr_t)va, width)) \ return; \ |
