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Diffstat (limited to 'sys/arch/mvme88k/dev/vme.c')
-rw-r--r--sys/arch/mvme88k/dev/vme.c245
1 files changed, 117 insertions, 128 deletions
diff --git a/sys/arch/mvme88k/dev/vme.c b/sys/arch/mvme88k/dev/vme.c
index 735f1037079..7e8b14fe3c9 100644
--- a/sys/arch/mvme88k/dev/vme.c
+++ b/sys/arch/mvme88k/dev/vme.c
@@ -1,4 +1,4 @@
-/* $NetBSD$ */
+/* $OpenBSD: vme.c,v 1.2 1998/12/15 05:52:31 smurph Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
@@ -45,6 +45,7 @@
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
+#include <machine/frame.h>
#include "pcctwo.h"
@@ -56,8 +57,7 @@ void vmeattach __P((struct device *, struct device *, void *));
int vme1chip_init __P((struct vmesoftc *sc));
int vme2chip_init __P((struct vmesoftc *sc));
u_long vme2chip_map __P((u_long base, int len, int dwidth));
-
-int vme2abort __P((void *cap, void *frame));
+int vme2abort __P((struct frame *frame));
static int vmebustype;
@@ -70,37 +70,41 @@ struct cfdriver vme_cd = {
};
int
-vmematch(parent, self, args)
+vmematch(parent, cf, args)
struct device *parent;
- void *self;
+ void *cf;
void *args;
{
- /* XXX should we look at the id/rev in GCSR area? nivas */
- caddr_t base;
- u_char id;
- u_char rev;
- struct cfdata *cf = self;
struct confargs *ca = args;
- /*
- * If bus or name do not match, fail.
- */
+#if NMC > 0
+ if (ca->ca_bustype == BUS_MC) {
+ struct mcreg *mc = (struct mcreg *)ca->ca_master;
- if (ca->ca_bustype != BUS_MAIN ||
- strcmp(cf->cf_driver->cd_name, "vme")) {
- return 0;
+ if (mc->mc_ver & MC_VER_NOVME)
+ return (0);
}
-
- if ((base = (caddr_t)cf->cf_loc[0]) == (caddr_t)-1) {
- return 0;
+#endif
+ return (1);
}
- ca->ca_size = 0x100;
- ca->ca_paddr = base;
- ca->ca_bustype = BUS_PCCTWO;
+#if defined(MVME162) || defined(MVME167) || defined(MVME177) || defined (MVME187)
+/*
+ * make local addresses 1G-2G correspond to VME addresses 3G-4G,
+ * as D32
+ */
+#define VME2_D32STARTPHYS (1*1024*1024*1024UL)
+#define VME2_D32ENDPHYS (2*1024*1024*1024UL)
+#define VME2_D32STARTVME (3*1024*1024*1024UL)
+#define VME2_D32BITSVME (3*1024*1024*1024UL)
- return (1);
-}
+/*
+ * make local addresses 3G-3.75G correspond to VME addresses 3G-3.75G,
+ * as D16
+ */
+#define VME2_D16STARTPHYS (3*1024*1024*1024UL)
+#define VME2_D16ENDPHYS (3*1024*1024*1024UL + 768*1024*1024UL)
+#endif
/*
* Returns a physical address mapping for a VME address & length.
@@ -108,14 +112,14 @@ vmematch(parent, self, args)
* mappings, ie. the MVME147 cannot do 32 bit accesses to VME bus
* addresses from 0 to physmem.
*/
-caddr_t
+void *
vmepmap(sc, vmeaddr, len, bustype)
struct vmesoftc *sc;
- caddr_t vmeaddr;
+ void *vmeaddr;
int len;
int bustype;
{
- u_long base = (u_long)vmeaddr;
+ u_int32_t base = (u_int32_t)vmeaddr;
len = roundup(len, NBPG);
switch (vmebustype) {
@@ -123,13 +127,18 @@ vmepmap(sc, vmeaddr, len, bustype)
case BUS_PCC:
switch (bustype) {
case BUS_VMES:
+ printf("base 0x%8x/0x%8x len 0x%x\n",
+ vmeaddr, base, len);
if (base > VME1_A16BASE &&
- (base+len - VME1_A16BASE) < VME1_A16D16LEN)
+ (base+len - VME1_A16BASE) < VME1_A16D16LEN) {
base = base - VME1_A16BASE + VME1_A16D16BASE;
- else if (base+len < VME1_A32D16LEN)
- base = base + VME1_A32D16BASE;
- else {
- printf("%s: cannot map pa %x len %x\n",
+ printf("vmes1: base = 0x%8x\n", base); /* 1:1 */
+ } else if (base > VME1_A32D16BASE &&
+ base+len < VME1_A16BASE) {
+ /* 1:1 mapped */
+ printf("vmes2: base = 0x%8x\n", base);
+ } else {
+ printf("%s: cannot map pa 0x%x len 0x%x\n",
sc->sc_dev.dv_xname, base, len);
return (NULL);
}
@@ -140,7 +149,7 @@ vmepmap(sc, vmeaddr, len, bustype)
else if (base+len < VME1_A32D16LEN) /* HACK! */
base = base + VME1_A32D16BASE;
else {
- printf("%s: cannot map pa %x len %x\n",
+ printf("%s: cannot map pa 0x%x len 0x%x\n",
sc->sc_dev.dv_xname, base, len);
return (NULL);
}
@@ -153,15 +162,19 @@ vmepmap(sc, vmeaddr, len, bustype)
case BUS_PCCTWO:
switch (bustype) {
case BUS_VMES:
+ /*printf("base %x len %d\n", base, len);*/
if (base > VME2_A16BASE &&
- (base+len-VME2_A16BASE) < VME2_A16D16LEN)
+ (base+len-VME2_A16BASE) < VME2_A16D16LEN) {
+ /* XXX busted? */
base = base - VME2_A16BASE + VME2_A16D16BASE;
- else if (base > VME2_A24BASE &&
- (base+len-VME2_A24BASE) < VME2_A24D16LEN)
- base = base - VME2_A24BASE + VME2_A24D16BASE;
- else if ((base+len) < VME2_A32D16LEN)
+ } else if (base > VME2_A24BASE &&
+ (base+len-VME2_A24BASE) < VME2_A24D16LEN) {
+ base = base - VME2_A24BASE + VME2_D16STARTPHYS;
+ } else if ((base+len) < VME2_A32D16LEN) {
+ /* XXX busted? */
base = base + VME2_A32D16BASE;
- else {
+ } else {
+ printf("vme2chip_map\n");
base = vme2chip_map(base, len, 16);
if (base == NULL)
return (NULL);
@@ -181,38 +194,32 @@ vmepmap(sc, vmeaddr, len, bustype)
break;
#endif
}
- return ((caddr_t)base);
+ return ((void *)base);
}
/* if successful, returns the va of a vme bus mapping */
-caddr_t
+void *
vmemap(sc, vmeaddr, len, bustype)
struct vmesoftc *sc;
- caddr_t vmeaddr;
+ void *vmeaddr;
int len;
int bustype;
{
- caddr_t pa, va;
- extern vm_offset_t iomap_mapin(vm_offset_t, vm_size_t, boolean_t);
+ void *pa, *va;
- pa = vmepmap(sc, pa, len, bustype);
+ pa = vmepmap(sc, vmeaddr, len, bustype);
if (pa == NULL)
return (NULL);
-#if 0
- va = (caddr_t)iomap_mapin((vm_offset_t)pa, len, 1);
-#endif
- va = pa;
+ va = mapiodev(pa, len);
return (va);
}
void
vmeunmap(va, len)
- caddr_t va;
+ void *va;
int len;
{
-#if 0
- iomap_mapout(va, len);
-#endif
+ unmapiodev(va, len);
}
int
@@ -225,7 +232,7 @@ vmerw(sc, uio, flags, bus)
register vm_offset_t o, v;
register int c;
register struct iovec *iov;
- caddr_t vme;
+ void *vme;
int error = 0;
while (uio->uio_resid > 0 && error == 0) {
@@ -244,13 +251,13 @@ vmerw(sc, uio, flags, bus)
c = NBPG - (v & PGOFSET);
if (c == 0)
return (0);
- vme = vmemap(sc, (caddr_t)(v & ~PGOFSET),
+ vme = vmemap(sc, (void *)(v & ~PGOFSET),
NBPG, BUS_VMES);
if (vme == NULL) {
error = EFAULT; /* XXX? */
continue;
}
- error = uiomove((caddr_t)vme + (v & PGOFSET), c, uio);
+ error = uiomove((void *)vme + (v & PGOFSET), c, uio);
vmeunmap(vme, NBPG);
}
return (error);
@@ -259,14 +266,15 @@ vmerw(sc, uio, flags, bus)
int
vmeprint(args, bus)
void *args;
- char *bus;
+ const char *bus;
{
struct confargs *ca = args;
+ printf(" addr 0x%x", ca->ca_offset);
+ if (ca->ca_vec > 0)
+ printf(" vec 0x%x", ca->ca_vec);
if (ca->ca_ipl > 0)
printf(" ipl %d", ca->ca_ipl);
- if (ca->ca_vec > 0)
- printf(" vec %d", ca->ca_vec);
return (UNCONF);
}
@@ -288,31 +296,30 @@ vmescan(parent, child, args, bustype)
bzero(&oca, sizeof oca);
oca.ca_bustype = bustype;
- oca.ca_paddr = (caddr_t)cf->cf_loc[0];
- oca.ca_size = cf->cf_loc[1];
- oca.ca_ipl = cf->cf_loc[2];
- oca.ca_vec = cf->cf_loc[3];
-
- /*
- * Assign a vector if the config file did not specify
- * one.
- */
-
-#ifdef notyet
+ oca.ca_paddr = (void *)cf->cf_loc[0];
+ oca.ca_len = cf->cf_loc[1];
+ oca.ca_vec = cf->cf_loc[2];
+ oca.ca_ipl = cf->cf_loc[3];
if (oca.ca_ipl > 0 && oca.ca_vec == -1)
- oca.ca_vec = intr_freevec();
-#endif /* notyet */
+ oca.ca_vec = intr_findvec(255, 0);
+ if (oca.ca_len == -1)
+ oca.ca_len = 4096;
- oca.ca_vaddr = (void *)vmemap(sc, oca.ca_paddr, oca.ca_size,
- oca.ca_bustype);
+ oca.ca_offset = (u_int)oca.ca_paddr;
+ oca.ca_vaddr = vmemap(sc, oca.ca_paddr, oca.ca_len, oca.ca_bustype);
if (!oca.ca_vaddr)
oca.ca_vaddr = (void *)-1;
- oca.ca_parent = (void *)sc;
+ oca.ca_master = (void *)sc;
+ oca.ca_name = cf->cf_driver->cd_name;
if ((*cf->cf_attach->ca_match)(parent, cf, &oca) == 0) {
if (oca.ca_vaddr != (void *)-1)
- vmeunmap(oca.ca_vaddr, oca.ca_size);
+ vmeunmap(oca.ca_vaddr, oca.ca_len);
return (0);
}
+ /*
+ * If match works, the driver is responsible for
+ * vmunmap()ing if it does not need the mapping.
+ */
config_attach(parent, cf, &oca, vmeprint);
return (1);
}
@@ -351,8 +358,6 @@ vmeattach(parent, self, args)
vme2chip_init(sc);
break;
#endif
- default:
- printf(" unknown parent bus %x", ca->ca_bustype);
}
while (config_found(self, NULL, NULL))
@@ -418,23 +423,8 @@ vme1chip_init(sc)
}
#endif
-#if defined(MVME162) || defined(MVME167) || defined(MVME177) || defined(MVME187)
-
-/*
- * make local addresses 1G-2G correspond to VME addresses 3G-4G,
- * as D32
- */
-#define VME2_D32STARTPHYS (1*1024*1024*1024UL)
-#define VME2_D32ENDPHYS (2*1024*1024*1024UL)
-#define VME2_D32STARTVME (3*1024*1024*1024UL)
-#define VME2_D32BITSVME (3*1024*1024*1024UL)
-/*
- * make local addresses 3G-3.75G correspond to VME addresses 3G-3.75G,
- * as D16
- */
-#define VME2_D16STARTPHYS (3*1024*1024*1024UL)
-#define VME2_D16ENDPHYS (3*1024*1024*1024UL + 768*1024*1024UL)
+#if defined(MVME162) || defined(MVME167) || defined(MVME177) || defined (MVME187)
/*
* XXX what AM bits should be used for the D32/D16 mappings?
@@ -451,48 +441,47 @@ vme2chip_init(sc)
ctl = vme2->vme2_masterctl;
-#if 0
- /* unused decoders 1 & 2 */
- printf("%s: phys 0x%08x-0x%08x to VMExxx 0x%08x-0x%08x\n",
+ /* unused decoders 1 */
+ vme2->vme2_master1 = 0;
+ ctl &= ~(VME2_MASTERCTL_ALL << VME2_MASTERCTL_1SHIFT);
+ printf("%s: 1phys 0x%08x-0x%08x to VMExxx 0x%08x-0x%08x\n",
sc->sc_dev.dv_xname,
vme2->vme2_master1 << 16, vme2->vme2_master1 & 0xffff0000,
vme2->vme2_master1 << 16, vme2->vme2_master1 & 0xffff0000);
- printf("%s: phys 0x%08x-0x%08x to VMExxx 0x%08x-0x%08x\n",
+
+ /* unused decoders 2 */
+ vme2->vme2_master2 = 0;
+ ctl &= ~(VME2_MASTERCTL_ALL << VME2_MASTERCTL_2SHIFT);
+ printf("%s: 2phys 0x%08x-0x%08x to VMExxx 0x%08x-0x%08x\n",
sc->sc_dev.dv_xname,
vme2->vme2_master2 << 16, vme2->vme2_master2 & 0xffff0000,
vme2->vme2_master2 << 16, vme2->vme2_master2 & 0xffff0000);
-#endif
- /* setup a D16 space */
+ /* setup a A24D16 space */
vme2->vme2_master3 = ((VME2_D16ENDPHYS-1) & 0xffff0000) |
(VME2_D16STARTPHYS >> 16);
ctl &= ~(VME2_MASTERCTL_ALL << VME2_MASTERCTL_3SHIFT);
- ctl |= (VME2_MASTERCTL_AM32SP | VME2_MASTERCTL_D16) <<
+ ctl |= (VME2_MASTERCTL_D16 | VME2_MASTERCTL_AM24UD) <<
VME2_MASTERCTL_3SHIFT;
-#if 0
- printf("%s: phys 0x%08x-0x%08x to VMED16 0x%08x-0x%08x\n",
+ printf("%s: 3phys 0x%08x-0x%08x to VMED16 0x%08x-0x%08x\n",
sc->sc_dev.dv_xname,
- VME2_D16STARTPHYS, VME2_D16ENDPHYS-1,
- VME2_D16STARTPHYS, VME2_D16ENDPHYS-1);
-#endif
+ vme2->vme2_master3 << 16, vme2->vme2_master3 & 0xffff0000,
+ vme2->vme2_master3 << 16, vme2->vme2_master3 & 0xffff0000);
- /* setup a D32 space */
+ /* setup a A32D32 space */
vme2->vme2_master4 = ((VME2_D32ENDPHYS-1) & 0xffff0000) |
(VME2_D32STARTPHYS >> 16);
vme2->vme2_master4mod = (VME2_D32STARTVME & 0xffff0000) |
(VME2_D32BITSVME >> 16);
ctl &= ~(VME2_MASTERCTL_ALL << VME2_MASTERCTL_4SHIFT);
- ctl |= (VME2_MASTERCTL_AM32SP) <<
+ ctl |= (VME2_MASTERCTL_AM32UD) <<
VME2_MASTERCTL_4SHIFT;
-#if 0
- printf("%s: phys 0x%08x-0x%08x to VMED32 0x%08x-0x%08x\n",
+ printf("%s: 4phys 0x%08x-0x%08x to VMED32 0x%08x-0x%08x\n",
sc->sc_dev.dv_xname,
- VME2_D32STARTPHYS, VME2_D32ENDPHYS-1,
- VME2_D32STARTVME, VME2_D32STARTVME | ~VME2_D32BITSVME);
-#endif
+ vme2->vme2_master4 << 16, vme2->vme2_master4 & 0xffff0000,
+ vme2->vme2_master4 << 16, vme2->vme2_master4 & 0xffff0000);
vme2->vme2_masterctl = ctl;
-
ctl = vme2->vme2_gcsrctl;
/* enable A16 short IO map decoder (0xffffxxxx) */
@@ -520,11 +509,10 @@ vme2chip_init(sc)
(6 << VME2_IRQL4_VME6SHIFT) | (5 << VME2_IRQL4_VME5SHIFT) |
(4 << VME2_IRQL4_VME4SHIFT) | (3 << VME2_IRQL4_VME3SHIFT) |
(2 << VME2_IRQL4_VME2SHIFT) | (1 << VME2_IRQL4_VME1SHIFT);
- /*
- * disable all interrupts, they will be enabled by each
- * driver when it configures
- */
- vme2->vme2_irqen = 0;
+ printf("%s: vme2_irql4 = 0x%08x\n", sc->sc_dev.dv_xname,
+ vme2->vme2_irql4);
+
+#if NPCCTWO > 0
if (vmebustype == BUS_PCCTWO){
/*
* pseudo driver, abort interrupt handler
@@ -539,7 +527,8 @@ vme2chip_init(sc)
intr_establish(110, &sc->sc_abih);
vme2->vme2_irqen |= VME2_IRQ_AB;
}
-
+#endif
+ vme2->vme2_irqen = vme2->vme2_irqen | VME2_IRQ_ACF;
}
/*
@@ -565,22 +554,22 @@ vme2chip_map(base, len, dwidth)
return (base - VME2_D32STARTVME + VME2_D32STARTPHYS);
}
}
-#if 1
+
+#if NPCCTWO > 0
int
-vme2abort(void *cap, void *frame)
+vme2abort(frame)
+ struct frame *frame;
{
struct vmesoftc *sc = (struct vmesoftc *) vme_cd.cd_devs[0];
struct vme2reg *vme2 = (struct vme2reg *)sc->sc_vaddr;
- extern void nmihand(void *);
- if (!(vme2->vme2_irqstat & VME2_IRQ_AB)) {
- printf("vme2abort irq not set\n");
- return 0;
+ if (vme2->vme2_irqstat & VME2_IRQ_AB == 0) {
+ printf("%s: vme2chip irq not set\n", sc->sc_dev.dv_xname);
+ return (0);
}
-
vme2->vme2_irqclr = VME2_IRQ_AB;
nmihand(frame);
- return 1;
+ return (1);
}
#endif
#endif /* MVME1[678]x */
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