277 lines
7.0 KiB
C
277 lines
7.0 KiB
C
/* $NetBSD: tsc.c,v 1.9 2002/10/02 04:06:39 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999 by Ross Harvey. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Ross Harvey.
|
|
* 4. The name of Ross Harvey may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ROSS HARVEY ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP0SE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL ROSS HARVEY BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include "opt_dec_6600.h"
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__KERNEL_RCSID(0, "$NetBSD: tsc.c,v 1.9 2002/10/02 04:06:39 thorpej Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/malloc.h>
|
|
|
|
#include <machine/autoconf.h>
|
|
#include <machine/rpb.h>
|
|
#include <machine/sysarch.h>
|
|
|
|
#include <dev/isa/isareg.h>
|
|
#include <dev/isa/isavar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#include <alpha/pci/tsreg.h>
|
|
#include <alpha/pci/tsvar.h>
|
|
|
|
#ifdef DEC_6600
|
|
#include <alpha/pci/pci_6600.h>
|
|
#endif
|
|
|
|
#define tsc() { Generate ctags(1) key. }
|
|
|
|
int tscmatch __P((struct device *, struct cfdata *, void *));
|
|
void tscattach __P((struct device *, struct device *, void *));
|
|
|
|
CFATTACH_DECL(tsc, sizeof(struct tsc_softc),
|
|
tscmatch, tscattach, NULL, NULL);
|
|
|
|
extern struct cfdriver tsc_cd;
|
|
|
|
struct tsp_config tsp_configuration[2];
|
|
|
|
static int tscprint __P((void *, const char *pnp));
|
|
|
|
int tspmatch __P((struct device *, struct cfdata *, void *));
|
|
void tspattach __P((struct device *, struct device *, void *));
|
|
|
|
CFATTACH_DECL(tsp, sizeof(struct tsp_softc),
|
|
tspmatch, tspattach, NULL, NULL);
|
|
|
|
extern struct cfdriver tsp_cd;
|
|
|
|
static int tspprint __P((void *, const char *pnp));
|
|
|
|
static int tsp_bus_get_window __P((int, int,
|
|
struct alpha_bus_space_translation *));
|
|
|
|
/* There can be only one */
|
|
static int tscfound;
|
|
|
|
/* Which hose is the display console connected to? */
|
|
int tsp_console_hose;
|
|
|
|
int
|
|
tscmatch(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
struct mainbus_attach_args *ma = aux;
|
|
|
|
return cputype == ST_DEC_6600
|
|
&& strcmp(ma->ma_name, tsc_cd.cd_name) == 0
|
|
&& !tscfound;
|
|
}
|
|
|
|
void tscattach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
int i;
|
|
int nbus;
|
|
u_int64_t csc, aar;
|
|
struct tsp_attach_args tsp;
|
|
struct mainbus_attach_args *ma = aux;
|
|
|
|
tscfound = 1;
|
|
|
|
csc = LDQP(TS_C_CSC);
|
|
|
|
nbus = 1 + (CSC_BC(csc) >= 2);
|
|
printf(": 21272 Core Logic Chipset, Cchip rev %d\n"
|
|
"%s%d: %c Dchips, %d memory bus%s of %d bytes\n",
|
|
(int)MISC_REV(LDQP(TS_C_MISC)),
|
|
ma->ma_name, ma->ma_slot, "2448"[CSC_BC(csc)],
|
|
nbus, nbus > 1 ? "es" : "", 16 + 16 * ((csc & CSC_AW) != 0));
|
|
printf("%s%d: arrays present: ", ma->ma_name, ma->ma_slot);
|
|
for(i = 0; i < 4; ++i) {
|
|
aar = LDQP(TS_C_AAR0 + i * TS_STEP);
|
|
printf("%s%dMB%s", i ? ", " : "", (8 << AAR_ASIZ(aar)) & ~0xf,
|
|
aar & AAR_SPLIT ? " (split)" : "");
|
|
}
|
|
printf(", Dchip 0 rev %d\n", (int)LDQP(TS_D_DREV) & 0xf);
|
|
|
|
memset(&tsp, 0, sizeof tsp);
|
|
tsp.tsp_name = "tsp";
|
|
config_found(self, &tsp, NULL);
|
|
|
|
if(LDQP(TS_C_CSC) & CSC_P1P) {
|
|
++tsp.tsp_slot;
|
|
config_found(self, &tsp, tscprint);
|
|
}
|
|
}
|
|
|
|
static int
|
|
tscprint(aux, p)
|
|
void *aux;
|
|
const char *p;
|
|
{
|
|
register struct tsp_attach_args *tsp = aux;
|
|
|
|
if(p)
|
|
printf("%s%d at %s", tsp->tsp_name, tsp->tsp_slot, p);
|
|
return UNCONF;
|
|
}
|
|
|
|
#define tsp() { Generate ctags(1) key. }
|
|
|
|
int
|
|
tspmatch(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
struct tsp_attach_args *t = aux;
|
|
|
|
return cputype == ST_DEC_6600
|
|
&& strcmp(t->tsp_name, tsp_cd.cd_name) == 0;
|
|
}
|
|
|
|
void
|
|
tspattach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct pcibus_attach_args pba;
|
|
struct tsp_attach_args *t = aux;
|
|
struct tsp_config *pcp;
|
|
|
|
printf("\n");
|
|
pcp = tsp_init(1, t->tsp_slot);
|
|
|
|
tsp_dma_init(pcp);
|
|
|
|
/*
|
|
* Do PCI memory initialization that needs to be deferred until
|
|
* malloc is safe. On the Tsunami, we need to do this after
|
|
* DMA is initialized, as well.
|
|
*/
|
|
tsp_bus_mem_init2(&pcp->pc_memt, pcp);
|
|
|
|
pci_6600_pickintr(pcp);
|
|
|
|
pba.pba_busname = "pci";
|
|
pba.pba_iot = &pcp->pc_iot;
|
|
pba.pba_memt = &pcp->pc_memt;
|
|
pba.pba_dmat =
|
|
alphabus_dma_get_tag(&pcp->pc_dmat_direct, ALPHA_BUS_PCI);
|
|
pba.pba_pc = &pcp->pc_pc;
|
|
pba.pba_bus = 0;
|
|
pba.pba_bridgetag = NULL;
|
|
pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED |
|
|
PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY;
|
|
config_found(self, &pba, tspprint);
|
|
}
|
|
|
|
struct tsp_config *
|
|
tsp_init(mallocsafe, n)
|
|
int mallocsafe;
|
|
int n; /* Pchip number */
|
|
{
|
|
struct tsp_config *pcp;
|
|
|
|
KASSERT((n | 1) == 1);
|
|
pcp = &tsp_configuration[n];
|
|
pcp->pc_pslot = n;
|
|
pcp->pc_iobase = TS_Pn(n, 0);
|
|
pcp->pc_csr = S_PAGE(TS_Pn(n, P_CSRBASE));
|
|
if (!pcp->pc_initted) {
|
|
tsp_bus_io_init(&pcp->pc_iot, pcp);
|
|
tsp_bus_mem_init(&pcp->pc_memt, pcp);
|
|
|
|
alpha_bus_window_count[ALPHA_BUS_TYPE_PCI_IO] = 1;
|
|
alpha_bus_window_count[ALPHA_BUS_TYPE_PCI_MEM] = 1;
|
|
|
|
alpha_bus_get_window = tsp_bus_get_window;
|
|
}
|
|
pcp->pc_mallocsafe = mallocsafe;
|
|
tsp_pci_init(&pcp->pc_pc, pcp);
|
|
pcp->pc_initted = 1;
|
|
return pcp;
|
|
}
|
|
|
|
static int
|
|
tspprint(aux, p)
|
|
void *aux;
|
|
const char *p;
|
|
{
|
|
register struct pcibus_attach_args *pci = aux;
|
|
|
|
if(p)
|
|
printf("%s at %s", pci->pba_busname, p);
|
|
printf(" bus %d", pci->pba_bus);
|
|
return UNCONF;
|
|
}
|
|
|
|
static int
|
|
tsp_bus_get_window(type, window, abst)
|
|
int type, window;
|
|
struct alpha_bus_space_translation *abst;
|
|
{
|
|
struct tsp_config *tsp = &tsp_configuration[tsp_console_hose];
|
|
bus_space_tag_t st;
|
|
int error;
|
|
|
|
switch (type) {
|
|
case ALPHA_BUS_TYPE_PCI_IO:
|
|
st = &tsp->pc_iot;
|
|
break;
|
|
|
|
case ALPHA_BUS_TYPE_PCI_MEM:
|
|
st = &tsp->pc_memt;
|
|
break;
|
|
|
|
default:
|
|
panic("tsp_bus_get_window");
|
|
}
|
|
|
|
error = alpha_bus_space_get_window(st, window, abst);
|
|
if (error)
|
|
return (error);
|
|
|
|
abst->abst_sys_start = TS_PHYSADDR(abst->abst_sys_start);
|
|
abst->abst_sys_end = TS_PHYSADDR(abst->abst_sys_end);
|
|
|
|
return (0);
|
|
}
|