NetBSD/sys/arch/hp700/dev/mongoose.c
2003-07-15 02:29:24 +00:00

706 lines
17 KiB
C

/* $NetBSD: mongoose.c,v 1.6 2003/07/15 02:29:24 lukem Exp $ */
/* $OpenBSD: mongoose.c,v 1.7 2000/08/15 19:42:56 mickey Exp $ */
/*
* Copyright (c) 1998,1999 Michael Shalayeff
* 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 Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES 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 MIND, 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 <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mongoose.c,v 1.6 2003/07/15 02:29:24 lukem Exp $");
#define MONGOOSE_DEBUG 9
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <machine/bus.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <hp700/hp700/intr.h>
#include <hp700/dev/cpudevs.h>
#include <hp700/dev/viper.h>
#include <dev/eisa/eisareg.h>
#include <dev/eisa/eisavar.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
/* EISA Bus Adapter registers definitions */
#define MONGOOSE_MONGOOSE 0x10000
struct mongoose_regs {
u_int8_t version;
u_int8_t lock;
u_int8_t liowait;
u_int8_t clock;
u_int8_t reserved[0xf000 - 4];
u_int8_t intack;
};
#define MONGOOSE_CTRL 0x00000
#define MONGOOSE_NINTS 16
struct mongoose_ctrl {
struct dma0 {
struct {
u_int32_t addr : 8;
u_int32_t count: 8;
} ch[4];
u_int8_t command;
u_int8_t request;
u_int8_t mask_channel;
u_int8_t mode;
u_int8_t clr_byte_ptr;
u_int8_t master_clear;
u_int8_t mask_clear;
u_int8_t master_write;
u_int8_t pad[8];
} dma0;
u_int8_t irr0; /* 0x20 */
u_int8_t imr0;
u_int8_t iack; /* 0x22 -- 2 b2b reads generate
(e)isa Iack cycle & returns int level */
u_int8_t pad0[29];
struct timers {
u_int8_t sysclk;
u_int8_t refresh;
u_int8_t spkr;
u_int8_t ctrl;
u_int32_t pad;
} tmr[2]; /* 0x40 -- timers control */
u_int8_t pad1[16];
u_int16_t inmi; /* 0x60 NMI control */
u_int8_t pad2[30];
struct {
u_int8_t pad0;
u_int8_t ch2;
u_int8_t ch3;
u_int8_t ch1;
u_int8_t pad1;
u_int8_t pad2[3];
u_int8_t ch0;
u_int8_t pad4;
u_int8_t ch6;
u_int8_t ch7;
u_int8_t ch5;
u_int8_t pad5[3];
u_int8_t pad6[16];
} pr; /* 0x80 */
u_int8_t irr1; /* 0xa0 */
u_int8_t imr1;
u_int8_t pad3[30];
struct dma1 {
struct {
u_int32_t addr : 8;
u_int32_t pad0 : 8;
u_int32_t count: 8;
u_int32_t pad1 : 8;
} ch[4];
u_int8_t command;
u_int8_t pad0;
u_int8_t request;
u_int8_t pad1;
u_int8_t mask_channel;
u_int8_t pad2;
u_int8_t mode;
u_int8_t pad3;
u_int8_t clr_byte_ptr;
u_int8_t pad4;
u_int8_t master_clear;
u_int8_t pad5;
u_int8_t mask_clear;
u_int8_t pad6;
u_int8_t master_write;
u_int8_t pad7;
} dma1; /* 0xc0 */
u_int8_t master_req; /* 0xe0 master request register */
u_int8_t pad4[31];
u_int8_t pad5[0x3d0]; /* 0x4d0 */
u_int8_t pic0; /* 0 - edge, 1 - level */
u_int8_t pic1;
u_int8_t pad6[0x460];
u_int8_t nmi;
u_int8_t nmi_ext;
#define MONGOOSE_NMI_BUSRESET 0x01
#define MONGOOSE_NMI_IOPORT_EN 0x02
#define MONGOOSE_NMI_EN 0x04
#define MONGOOSE_NMI_MTMO_EN 0x08
#define MONGOOSE_NMI_RES4 0x10
#define MONGOOSE_NMI_IOPORT_INT 0x20
#define MONGOOSE_NMI_MASTER_INT 0x40
#define MONGOOSE_NMI_INT 0x80
};
#define MONGOOSE_IOMAP 0x100000
struct hppa_isa_iv {
int (*iv_handler) __P((void *arg));
void *iv_arg;
int iv_pri;
struct evcnt iv_evcnt;
/* don't do sharing, we won't have many slots anyway
struct hppa_isa_iv *iv_next;
*/
};
struct mongoose_softc {
struct device sc_dev;
void *sc_ih;
bus_space_tag_t sc_bt;
volatile struct mongoose_regs *sc_regs;
volatile struct mongoose_ctrl *sc_ctrl;
bus_addr_t sc_iomap;
/* interrupts section */
struct hppa_eisa_chipset sc_ec;
struct hppa_isa_chipset sc_ic;
struct hppa_isa_iv sc_iv[MONGOOSE_NINTS];
/* isa/eisa bus guts */
struct hppa_bus_space_tag sc_eiot;
struct hppa_bus_space_tag sc_ememt;
struct hppa_bus_dma_tag sc_edmat;
struct hppa_bus_space_tag sc_iiot;
struct hppa_bus_space_tag sc_imemt;
struct hppa_bus_dma_tag sc_idmat;
};
union mongoose_attach_args {
char *mongoose_name;
struct eisabus_attach_args mongoose_eisa;
struct isabus_attach_args mongoose_isa;
};
void mg_eisa_attach_hook __P((struct device *, struct device *, struct eisabus_attach_args *));
int mg_intr_map __P((void *, u_int, eisa_intr_handle_t *));
const char *mg_intr_string __P((void *, int));
void mg_isa_attach_hook __P((struct device *, struct device *, struct isabus_attach_args *));
void *mg_intr_establish __P((void *, int, int, int, int (*) __P((void *)), void *));
void mg_intr_disestablish __P((void *, void *));
int mg_intr_check __P((void *, int, int));
int mg_intr __P((void *));
int mg_eisa_iomap __P((void *, bus_addr_t, bus_size_t, int, bus_space_handle_t *));
int mg_eisa_memmap __P((void *, bus_addr_t, bus_size_t, int, bus_space_handle_t *));
void mg_eisa_memunmap __P((void *, bus_space_handle_t, bus_size_t));
void mg_isa_barrier __P((void *, bus_space_handle_t, bus_size_t, bus_size_t, int));
u_int16_t mg_isa_r2 __P((void *, bus_space_handle_t, bus_size_t));
u_int32_t mg_isa_r4 __P((void *, bus_space_handle_t, bus_size_t));
void mg_isa_w2 __P((void *, bus_space_handle_t, bus_size_t, u_int16_t));
void mg_isa_w4 __P((void *, bus_space_handle_t, bus_size_t, u_int32_t));
void mg_isa_rm_2 __P((void *, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t));
void mg_isa_rm_4 __P((void *, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t));
void mg_isa_wm_2 __P((void *, bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t));
void mg_isa_wm_4 __P((void *, bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t));
void mg_isa_sm_2 __P((void *, bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t));
void mg_isa_sm_4 __P((void *, bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t));
void mg_isa_rr_2 __P((void *, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t));
void mg_isa_rr_4 __P((void *, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t));
void mg_isa_wr_2 __P((void *, bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t));
void mg_isa_wr_4 __P((void *, bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t));
void mg_isa_sr_2 __P((void *, bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t));
void mg_isa_sr_4 __P((void *, bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t));
int mgmatch __P((struct device *, struct cfdata *, void *));
void mgattach __P((struct device *, struct device *, void *));
int mgprint __P((void *aux, const char *pnp));
CFATTACH_DECL(mongoose, sizeof(struct mongoose_softc),
mgmatch, mgattach, NULL, NULL);
/* TODO: DMA guts */
void
mg_eisa_attach_hook(struct device *parent, struct device *self,
struct eisabus_attach_args *mg)
{
}
int
mg_intr_map(void *v, u_int irq, eisa_intr_handle_t *ehp)
{
*ehp = irq;
return 0;
}
const char *
mg_intr_string(void *v, int irq)
{
static char buf[16];
sprintf (buf, "isa irq %d", irq);
return buf;
}
void
mg_isa_attach_hook(struct device *parent, struct device *self,
struct isabus_attach_args *iba)
{
}
void *
mg_intr_establish(void *v, int irq, int type, int pri,
int (*handler) __P((void *)), void *arg)
{
struct hppa_isa_iv *iv;
struct mongoose_softc *sc = v;
volatile u_int8_t *imr, *pic;
if (!sc || irq < 0 || irq >= MONGOOSE_NINTS ||
(0 <= irq && irq < MONGOOSE_NINTS && sc->sc_iv[irq].iv_handler))
return NULL;
if (type != IST_LEVEL && type != IST_EDGE) {
#ifdef DEBUG
printf("%s: bad interrupt level (%d)\n", sc->sc_dev.dv_xname,
type);
#endif
return NULL;
}
iv = &sc->sc_iv[irq];
if (iv->iv_handler) {
#ifdef DEBUG
printf("%s: irq %d already established\n", sc->sc_dev.dv_xname,
irq);
#endif
return NULL;
}
iv->iv_pri = pri;
iv->iv_handler = handler;
iv->iv_arg = arg;
if (irq < 8) {
imr = &sc->sc_ctrl->imr0;
pic = &sc->sc_ctrl->pic0;
} else {
imr = &sc->sc_ctrl->imr1;
pic = &sc->sc_ctrl->pic1;
irq -= 8;
}
*imr |= 1 << irq;
*pic |= (type == IST_LEVEL) << irq;
/* TODO: ack it? */
return iv;
}
void
mg_intr_disestablish(void *v, void *cookie)
{
struct hppa_isa_iv *iv = cookie;
struct mongoose_softc *sc = v;
int irq = iv - sc->sc_iv;
volatile u_int8_t *imr;
if (!sc || !cookie)
return;
if (irq < 8)
imr = &sc->sc_ctrl->imr0;
else
imr = &sc->sc_ctrl->imr1;
*imr &= ~(1 << irq);
/* TODO: ack it? */
iv->iv_handler = NULL;
}
int
mg_intr_check(void *v, int irq, int type)
{
return 0;
}
int
mg_intr(void *v)
{
struct mongoose_softc *sc = v;
struct hppa_isa_iv *iv;
int s, irq = 0;
iv = &sc->sc_iv[irq];
s = splraise(imask[iv->iv_pri]);
(iv->iv_handler)(iv->iv_arg);
splx(s);
return 0;
}
int
mg_eisa_iomap(void *v, bus_addr_t addr, bus_size_t size, int cacheable,
bus_space_handle_t *bshp)
{
struct mongoose_softc *sc = v;
/* see if it's ISA space we are mapping */
if (0x100 <= addr && addr < 0x400) {
#define TOISA(a) ((((a) & 0x3f8) << 9) + ((a) & 7))
size = TOISA(addr + size) - TOISA(addr);
addr = TOISA(addr);
}
return (sc->sc_bt->hbt_map)(NULL, sc->sc_iomap + addr, size,
cacheable, bshp);
}
int
mg_eisa_memmap(void *v, bus_addr_t addr, bus_size_t size, int cacheable,
bus_space_handle_t *bshp)
{
/* TODO: eisa memory map */
return -1;
}
void
mg_eisa_memunmap(void *v, bus_space_handle_t bsh, bus_size_t size)
{
/* TODO: eisa memory unmap */
}
void
mg_isa_barrier(void *v, bus_space_handle_t h, bus_size_t o, bus_size_t l, int op)
{
sync_caches();
}
u_int16_t
mg_isa_r2(void *v, bus_space_handle_t h, bus_size_t o)
{
register u_int16_t r = *((volatile u_int16_t *)(h + o));
return le16toh(r);
}
u_int32_t
mg_isa_r4(void *v, bus_space_handle_t h, bus_size_t o)
{
register u_int32_t r = *((volatile u_int32_t *)(h + o));
return le32toh(r);
}
void
mg_isa_w2(void *v, bus_space_handle_t h, bus_size_t o, u_int16_t vv)
{
*((volatile u_int16_t *)(h + o)) = htole16(vv);
}
void
mg_isa_w4(void *v, bus_space_handle_t h, bus_size_t o, u_int32_t vv)
{
*((volatile u_int32_t *)(h + o)) = htole32(vv);
}
void
mg_isa_rm_2(void *v, bus_space_handle_t h, bus_size_t o, u_int16_t *a, bus_size_t c)
{
h += o;
while (c--)
*(a++) = le16toh(*(volatile u_int16_t *)h);
}
void
mg_isa_rm_4(void *v, bus_space_handle_t h, bus_size_t o, u_int32_t *a, bus_size_t c)
{
h += o;
while (c--)
*(a++) = le32toh(*(volatile u_int32_t *)h);
}
void
mg_isa_wm_2(void *v, bus_space_handle_t h, bus_size_t o, const u_int16_t *a, bus_size_t c)
{
register u_int16_t r;
h += o;
while (c--) {
r = *(a++);
*(volatile u_int16_t *)h = htole16(r);
}
}
void
mg_isa_wm_4(void *v, bus_space_handle_t h, bus_size_t o, const u_int32_t *a, bus_size_t c)
{
register u_int32_t r;
h += o;
while (c--) {
r = *(a++);
*(volatile u_int32_t *)h = htole32(r);
}
}
void
mg_isa_sm_2(void *v, bus_space_handle_t h, bus_size_t o, u_int16_t vv, bus_size_t c)
{
vv = htole16(vv);
h += o;
while (c--)
*(volatile u_int16_t *)h = vv;
}
void
mg_isa_sm_4(void *v, bus_space_handle_t h, bus_size_t o, u_int32_t vv, bus_size_t c)
{
vv = htole32(vv);
h += o;
while (c--)
*(volatile u_int32_t *)h = vv;
}
void
mg_isa_rr_2(void *v, bus_space_handle_t h, bus_size_t o, u_int16_t *a, bus_size_t c)
{
register u_int16_t r;
h += o;
while (c--) {
r = *((volatile u_int16_t *)h)++;
*(a++) = le16toh(r);
}
}
void
mg_isa_rr_4(void *v, bus_space_handle_t h, bus_size_t o, u_int32_t *a, bus_size_t c)
{
register u_int32_t r;
h += o;
while (c--) {
r = *((volatile u_int32_t *)h)++;
*(a++) = le32toh(r);
}
}
void
mg_isa_wr_2(void *v, bus_space_handle_t h, bus_size_t o, const u_int16_t *a, bus_size_t c)
{
register u_int16_t r;
h += o;
while (c--) {
r = *(a++);
*((volatile u_int16_t *)h)++ = htole16(r);
}
}
void
mg_isa_wr_4(void *v, bus_space_handle_t h, bus_size_t o, const u_int32_t *a, bus_size_t c)
{
register u_int32_t r;
h += o;
while (c--) {
r = *(a++);
*((volatile u_int32_t *)h)++ = htole32(r);
}
}
void
mg_isa_sr_2(void *v, bus_space_handle_t h, bus_size_t o, u_int16_t vv, bus_size_t c)
{
vv = htole16(vv);
h += o;
while (c--)
*((volatile u_int16_t *)h)++ = vv;
}
void
mg_isa_sr_4(void *v, bus_space_handle_t h, bus_size_t o, u_int32_t vv, bus_size_t c)
{
vv = htole32(vv);
h += o;
while (c--)
*((volatile u_int32_t *)h)++ = vv;
}
int
mgmatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
register struct confargs *ca = aux;
bus_space_handle_t ioh;
if (ca->ca_type.iodc_type != HPPA_TYPE_BHA ||
ca->ca_type.iodc_sv_model != HPPA_BHA_EISA)
return 0;
if (bus_space_map(ca->ca_iot, ca->ca_hpa + MONGOOSE_MONGOOSE,
sizeof(struct mongoose_regs), 0, &ioh))
return 0;
/* XXX check EISA signature */
bus_space_unmap(ca->ca_iot, ioh, sizeof(struct mongoose_regs));
return 1;
}
void
mgattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
register struct confargs *ca = aux;
register struct mongoose_softc *sc = (struct mongoose_softc *)self;
struct hppa_bus_space_tag *bt;
union mongoose_attach_args ea;
char brid[EISA_IDSTRINGLEN];
bus_space_handle_t ioh;
sc->sc_bt = ca->ca_iot;
sc->sc_iomap = ca->ca_hpa;
if (bus_space_map(ca->ca_iot, ca->ca_hpa + MONGOOSE_MONGOOSE,
sizeof(struct mongoose_regs), 0, &ioh))
panic("mgattach: can't map registers");
sc->sc_regs = (struct mongoose_regs *)ioh;
if (bus_space_map(ca->ca_iot, ca->ca_hpa + MONGOOSE_CTRL,
sizeof(struct mongoose_ctrl), 0, &ioh))
panic("mgattach: can't map control registers");
sc->sc_ctrl = (struct mongoose_ctrl *)ioh;
viper_eisa_en();
/* BUS RESET */
sc->sc_ctrl->nmi_ext = MONGOOSE_NMI_BUSRESET;
DELAY(1);
sc->sc_ctrl->nmi_ext = 0;
DELAY(100);
/* determine eisa board id */
{
u_int8_t id[4], *p;
/* XXX this is awful */
p = (u_int8_t *)(ioh + EISA_SLOTOFF_VID);
id[0] = *p++;
id[1] = *p++;
id[2] = *p++;
id[3] = *p++;
brid[0] = EISA_VENDID_0(id);
brid[1] = EISA_VENDID_1(id);
brid[2] = EISA_VENDID_2(id);
brid[3] = EISA_PRODID_0(id + 2);
brid[4] = EISA_PRODID_1(id + 2);
brid[5] = EISA_PRODID_2(id + 2);
brid[6] = EISA_PRODID_3(id + 2);
brid[7] = '\0';
}
printf (": %s rev %d, %d MHz\n", brid, sc->sc_regs->version,
(sc->sc_regs->clock? 33 : 25));
sc->sc_regs->liowait = 1; /* disable isa wait states */
sc->sc_regs->lock = 1; /* bus unlock */
/* attach EISA */
sc->sc_ec.ec_v = sc;
sc->sc_ec.ec_attach_hook = mg_eisa_attach_hook;
sc->sc_ec.ec_intr_establish = mg_intr_establish;
sc->sc_ec.ec_intr_disestablish = mg_intr_disestablish;
sc->sc_ec.ec_intr_string = mg_intr_string;
sc->sc_ec.ec_intr_map = mg_intr_map;
/* inherit the bus tags for eisa from the mainbus */
bt = &sc->sc_eiot;
bcopy(ca->ca_iot, bt, sizeof(*bt));
bt->hbt_cookie = sc;
bt->hbt_map = mg_eisa_iomap;
#define R(n) bt->__CONCAT(hbt_,n) = &__CONCAT(mg_isa_,n)
/* R(barrier); */
R(r2); R(r4); R(w2); R(w4);
R(rm_2);R(rm_4);R(wm_2);R(wm_4);R(sm_2);R(sm_4);
R(rr_2);R(rr_4);R(wr_2);R(wr_4);R(sr_2);R(sr_4);
bt = &sc->sc_ememt;
bcopy(ca->ca_iot, bt, sizeof(*bt));
bt->hbt_cookie = sc;
bt->hbt_map = mg_eisa_memmap;
bt->hbt_unmap = mg_eisa_memunmap;
/* attachment guts */
ea.mongoose_eisa.eba_busname = "eisa";
ea.mongoose_eisa.eba_iot = &sc->sc_eiot;
ea.mongoose_eisa.eba_memt = &sc->sc_ememt;
ea.mongoose_eisa.eba_dmat = NULL /* &sc->sc_edmat */;
ea.mongoose_eisa.eba_ec = &sc->sc_ec;
config_found(self, &ea.mongoose_eisa, mgprint);
sc->sc_ic.ic_v = sc;
sc->sc_ic.ic_attach_hook = mg_isa_attach_hook;
sc->sc_ic.ic_intr_establish = mg_intr_establish;
sc->sc_ic.ic_intr_disestablish = mg_intr_disestablish;
sc->sc_ic.ic_intr_check = mg_intr_check;
/* inherit the bus tags for isa from the eisa */
bt = &sc->sc_imemt;
bcopy(&sc->sc_ememt, bt, sizeof(*bt));
bt = &sc->sc_iiot;
bcopy(&sc->sc_eiot, bt, sizeof(*bt));
/* TODO: DMA tags */
/* attachment guts */
ea.mongoose_isa.iba_busname = "isa";
ea.mongoose_isa.iba_iot = &sc->sc_iiot;
ea.mongoose_isa.iba_memt = &sc->sc_imemt;
#if NISADMA > 0
ea.mongoose_isa.iba_dmat = &sc->sc_idmat;
#endif
ea.mongoose_isa.iba_ic = &sc->sc_ic;
config_found(self, &ea.mongoose_isa, mgprint);
#undef R
/* attach interrupt */
sc->sc_ih = hp700_intr_establish(&sc->sc_dev, IPL_NONE,
mg_intr, sc,
&int_reg_cpu, ca->ca_irq);
}
int
mgprint(aux, pnp)
void *aux;
const char *pnp;
{
union mongoose_attach_args *ea = aux;
if (pnp)
aprint_normal ("%s at %s", ea->mongoose_name, pnp);
return (UNCONF);
}