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Cleanup allocation of resources for 16-bits. We now do the right

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thing in pccbb bridge (the pcic bridge will be updated as I merge the
two copies of the code that were in the original cardbus commit).
This commit is contained in:
Warner Losh 2000-10-22 04:37:57 +00:00
parent e579ef5921
commit 283a983028
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=67423
1 changed files with 20 additions and 12 deletions
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32
sys/dev/pccbb/pccbb.c
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@ -35,6 +35,7 @@
* TI Datasheets:
* http://www-s.ti.com/cgi-bin/sc/generic2.cgi?family=PCI+CARDBUS+CONTROLLERS
* Much of the 16-bit PC Card compatibility code stolen from dev/pcic/i82365.c
* XXX and should be cleaned up to share as much as possible.
*
* Written by Jonathan Chen <jon@freebsd.org>
* The author would like to acknowledge:
@ -1386,19 +1387,27 @@ pccbb_pcic_alloc_resource(device_t self, device_t child, int type, int* rid,
struct pccbb_softc *sc = device_get_softc(self);
struct pccbb_reslist *rle;
/* Nearly default */
if (type == SYS_RES_MEMORY && start == 0 && end == ~0 && count != 1) {
start = 0xd0000; /* XXX */
end = 0xdffff;
}
if (type == SYS_RES_IRQ)
flags |= RF_SHAREABLE;
if (type == SYS_RES_MEMORY)
switch (type) {
case SYS_RES_MEMORY:
/* Nearly default */
if (start == 0 && end == ~0 && count != 1) {
start = 0xd0000; /* XXX -- should be tweakable*/
end = 0xdffff;
}
flags = (flags & ~RF_ALIGNMENT_MASK)
| rman_make_alignment_flags(PCCBB_MEMALIGN);
break;
case SYS_RES_IOPORT:
if (start < 0x100)
start = 0x100; /* XXX tweakable? */
if (end < start)
end = start;
break;
case SYS_RES_IRQ:
flags |= RF_SHAREABLE;
start = end = rman_get_start(sc->sc_irq_res);
break;
}
r = bus_generic_alloc_resource(self, child, type, rid, start, end,
count, flags & ~RF_ACTIVE);
if (r == NULL)
@ -1452,7 +1461,6 @@ pccbb_pcic_set_res_flags(device_t self, device_t child, int type, int rid,
{
struct pccbb_softc *sc = device_get_softc(self);
DPRINTF(("%p %p %d %d %#x\n", self, child, type, rid, flags));
if (type != SYS_RES_MEMORY)
return (EINVAL);
sc->mem[rid].kind = PCCARD_MEM_ATTR;