diff options
| author | mjacob <mjacob@FreeBSD.org> | 2000-03-15 23:50:31 +0000 |
|---|---|---|
| committer | mjacob <mjacob@FreeBSD.org> | 2000-03-15 23:50:31 +0000 |
| commit | a0447a00849801b1ae76539c3dc2b4d93b3a91d6 (patch) | |
| tree | f595ccf8bd78c2e242d8735626dd270e409b853e /sys/pci | |
| parent | 2b8f5a2c4888230d3d0ac21aa652a0b62a2580b4 (diff) | |
| download | FreeBSD-src-a0447a00849801b1ae76539c3dc2b4d93b3a91d6.zip FreeBSD-src-a0447a00849801b1ae76539c3dc2b4d93b3a91d6.tar.gz | |
Alpha 8200 port: Until we fix things better, determine which alpha CPU
platform we're running on so we know how many bits to reserve at the top
end for the 'hose' value. It turns out that there's *just* enough room
to support all possible hoses on TurboLaser.
Reviewed by: gallatin@freebsd.org, dfr@free3bsd.org
Diffstat (limited to 'sys/pci')
| -rw-r--r-- | sys/pci/pci.c | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/sys/pci/pci.c b/sys/pci/pci.c index bbb9dff..349778f 100644 --- a/sys/pci/pci.c +++ b/sys/pci/pci.c @@ -56,6 +56,10 @@ #include <pci/pcivar.h> #include <sys/pciio.h> +#ifdef __alpha__ +#include <machine/rpb.h> +#endif + #ifdef APIC_IO #include <machine/smp.h> #endif /* APIC_IO */ @@ -1034,17 +1038,41 @@ pci_add_map(device_t dev, pcicfgregs* cfg, int reg) * can deal with multiple hoses */ - if(cfg->hose){ - if (base & 0x80000000) { - printf("base addr = 0x%lx\n", base); - printf("hacked addr = 0x%lx\n", - base | ((u_int64_t)cfg->hose << 31)); - + if (cfg->hose) { + u_int32_t mask, shift, maxh; + + switch (hwrpb->rpb_type) { + case ST_DEC_21000: + case ST_DEC_4100: + mask = 0xf8000000; + shift = 27; + maxh = 32; + break; + case ST_DEC_6600: + mask = 0x80000000; + shift = 31; + maxh = 2; + break; + default: + mask = 0; + shift = 0; + maxh = 0; + break; + } + if (base & mask) { + printf("base addr = 0x%llx\n", (long long) base); + printf("mask addr = 0x%lx\n", (long) mask); + printf("hacked addr = 0x%llx\n", (long long) + (base | ((u_int64_t)cfg->hose << shift))); panic("hose encoding hack would clobber base addr"); + /* NOTREACHED */ + } + if (cfg->hose >= maxh) { + panic("Hose %d - can only encode %d hose(s)", + cfg->hose, maxh); + /* NOTREACHED */ } - if (cfg->hose > 1) - panic("only one hose supported!"); - base |= ((u_int64_t)cfg->hose << 31); + base |= ((u_int64_t)cfg->hose << shift); } #endif if (type == SYS_RES_IOPORT && !pci_porten(cfg)) |
