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Added a probe for a podule is EASI space if it is not found in normal 

podule space.
Fixed a bug in the reading of bytes from network slot cards that prevented
the correct reading of the network slot ROM description.
config code now allows duplicable devices to be attached.
This commit is contained in:
mark 1997-01-03 23:30:30 +00:00
parent 4065dc201f
commit 2bb8f07910
1 changed files with 35 additions and 24 deletions
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49
sys/arch/arm32/podulebus/podulebus.c
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@ -1,4 +1,4 @@
/* $NetBSD: podulebus.c,v 1.17 1996/11/23 03:42:39 mark Exp $ */
/* $NetBSD: podulebus.c,v 1.18 1997/01/03 23:30:30 mark Exp $ */
/*
* Copyright (c) 1994-1996 Mark Brinicombe.
@ -125,9 +125,6 @@ podulebussubmatch(parent, match, aux)
struct cfdata *cf = match;
struct podule_attach_args *pa = aux;
if (cf->cf_fstate == FSTATE_STAR)
panic("nope cannot handle this");
/* Return priority 0 or 1 for wildcarded podule */
if (cf->cf_loc[0] == -1)
@ -208,7 +205,7 @@ podulechunkdirectory(podule)
}
}
}
#if 0
#ifdef DEBUG_CHUNK_DIR
if (id == 0xf5 || id == 0xf1 || id == 0xf2 || id == 0xf3 || id == 0xf4 || id == 0xf6) {
addr = poduleread(podule->sync_base, address + 16, podule->slottype);
addr |= (poduleread(podule->sync_base, address + 20, podule->slottype) << 8);
@ -302,16 +299,20 @@ poduleread(address, offset, slottype)
int offset;
int slottype;
{
static u_int netslotoffset;
static int netslotoffset = -1;
if (slottype == SLOT_NET) {
if (netslotoffset == -1) {
netslotoffset = 0;
WriteByte(address, 0x00);
}
offset = offset >> 2;
if (offset < netslotoffset) {
WriteWord(address, 0);
WriteByte(address, 0);
netslotoffset = 0;
}
while (netslotoffset < offset) {
slottype = ReadWord(address);
slottype = ReadByte(address);
++netslotoffset;
}
++netslotoffset;
@ -333,22 +334,35 @@ podulescan(dev)
/* Loop round all the podules */
for (loop = 0; loop < MAX_PODULES; ++loop, offset += SIMPLE_PODULE_SIZE) {
podule = &podules[loop];
podule->podulenum = loop;
podule->attached = 0;
podule->slottype = SLOT_NONE;
podule->dma_channel = -1;
podule->description[0] = 0;
if (loop == 4) offset += PODULE_GAP;
address = ((u_char *)SYNC_PODULE_BASE) + offset;
podule = &podules[loop];
if ((address[0] & 0x02) == 0x00) {
podule->fast_base = FAST_PODULE_BASE + offset;
podule->medium_base = MEDIUM_PODULE_BASE + offset;
podule->slow_base = SLOW_PODULE_BASE + offset;
podule->sync_base = SYNC_PODULE_BASE + offset;
podule->mod_base = MOD_PODULE_BASE + offset;
podule->easi_base = EASI_BASE + loop * EASI_SIZE;
podule->attached = 0;
podule->slottype = SLOT_NONE;
podule->podulenum = loop;
podule->dma_channel = -1;
podule->description[0] = 0;
} else {
address = ((u_char *)EASI_BASE) + loop * EASI_SIZE;
if ((address[0] & 0x02) != 0x00)
continue;
podule->fast_base = 0;
podule->medium_base = 0;
podule->slow_base = 0;
podule->sync_base = 0;
podule->mod_base = 0;
podule->easi_base = EASI_BASE + loop * EASI_SIZE;
}
/* XXX - Really needs to be linked to a DMA manager */
if (IOMD_ID == RPC600_IOMD_ID) {
@ -500,9 +514,6 @@ podulebusattach(parent, self, aux)
/* Now map the EASI space */
#if 0
/* XXX - we don't use EASI space yet */
for (loop = 0; loop < MAX_PODULES; ++loop) {
int loop1;
@ -510,7 +521,7 @@ podulebusattach(parent, self, aux)
map_section(PAGE_DIRS_BASE, EASI_BASE + loop1, EASI_HW_BASE + loop1);
}
tlb_flush();
#endif
/*
* The MEDIUM and SLOW simple podules and the module space will have been
* mapped when the IOMD and COMBO we mapped in for the RPC