/*
* console routines
*/
void
zskbd_cnattach(int zsunit, int zschan)
{
wskbd_cnattach(&zskbd_wskbd_consops, zs_get_chan_addr(zsunit, zschan),
&sgikbd_wskbd_keymapdata);
zskbd_is_console = 1;
}
void
zscnputc(dev_t dev, int c)
{
struct zschan *zs;
zs = zs_get_chan_addr(0, cons_port);
zs_putc(zs, c);
}
int
zscngetc(dev_t dev)
{
struct zschan *zs;
zs = zs_get_chan_addr(0, cons_port);
return zs_getc(zs);
}
void
zscnputc(dev_t dev, int c)
{
struct zschan *zs;
switch (mach_type) {
case MACH_SGI_IP12:
case MACH_SGI_IP20:
zs = zs_get_chan_addr(1, cons_port);
break;
case MACH_SGI_IP22:
default:
zs = zs_get_chan_addr(0, cons_port);
break;
}
zs_putc(zs, c);
}
int
zscngetc(dev_t dev)
{
struct zschan *zs;
switch (mach_type) {
case MACH_SGI_IP12:
case MACH_SGI_IP20:
zs = zs_get_chan_addr(1, cons_port);
break;
case MACH_SGI_IP22:
default:
zs = zs_get_chan_addr(0, cons_port);
break;
}
return zs_getc(zs);
}
/*
* This function replaces sys/dev/cninit.c
* Determine which device is the console using
* the PROM "input source" and "output sink".
*/
void
cninit(void)
{
struct sunromvec *v;
struct zschan *zc;
struct consdev *cn;
int channel, zs_unit, zstty_unit;
uint8_t inSource, outSink;
extern const struct cdevsw zstty_cdevsw;
/* Get the zs driver ready for console duty. */
zs_init();
v = romVectorPtr;
inSource = *v->inSource;
outSink = *v->outSink;
if (inSource != outSink) {
mon_printf("cninit: mismatched PROM output selector\n");
}
switch (inSource) {
default:
mon_printf("cninit: invalid inSource=%d\n", inSource);
sunmon_abort();
inSource = 0;
/* fall through */
case 0: /* keyboard/display */
#if NKBD > 0
zs_unit = 0;
channel = 0;
cn = &consdev_kd;
/* Set cn_dev, cn_pri in kd.c */
break;
#else /* NKBD */
mon_printf("cninit: kdb/display not configured\n");
sunmon_abort();
inSource = 1;
/* fall through */
#endif /* NKBD */
case 1: /* ttya */
case 2: /* ttyb */
case 3: /* ttyc (rewired keyboard connector) */
case 4: /* ttyd (rewired mouse connector) */
zstty_unit = inSource - 1;
zs_unit = zstty_conf[zstty_unit].zs_unit;
channel = zstty_conf[zstty_unit].channel;
cn = &consdev_tty;
cn->cn_dev = makedev(cdevsw_lookup_major(&zstty_cdevsw),
zstty_unit);
cn->cn_pri = CN_REMOTE;
break;
}
/* Now that inSource has been validated, print it. */
mon_printf("console is %s\n", prom_inSrc_name[inSource]);
zc = zs_get_chan_addr(zs_unit, channel);
if (zc == NULL) {
mon_printf("cninit: zs not mapped.\n");
return;
}
zs_conschan = zc;
zs_hwflags[zs_unit][channel] = ZS_HWFLAG_CONSOLE;
cn_tab = cn;
(*cn->cn_init)(cn);
#ifdef KGDB
zs_kgdb_init();
#endif
}
/*
* Attach a found zs.
*
* Match slave number to zs unit number, so that misconfiguration will
* not set up the keyboard as ttya, etc.
*/
static void
zs_attach(device_t parent, device_t self, void *aux)
{
struct zsc_softc *zsc = device_private(self);
struct confargs *ca = aux;
struct zsc_attach_args zsc_args;
volatile struct zschan *zc;
struct zs_chanstate *cs;
int s, zs_unit, channel;
static int didintr;
zsc->zsc_dev = self;
zs_unit = device_unit(self);
aprint_normal(": (softpri %d)\n", ZSSOFT_PRI);
/* Use the mapping setup by the Sun PROM. */
if (zsaddr[zs_unit] == NULL)
panic("zs_attach: zs%d not mapped", zs_unit);
/*
* Initialize software state for each channel.
*/
for (channel = 0; channel < 2; channel++) {
zsc_args.channel = channel;
zsc_args.hwflags = zs_hwflags[zs_unit][channel];
cs = &zsc->zsc_cs_store[channel];
zsc->zsc_cs[channel] = cs;
zs_lock_init(cs);
cs->cs_channel = channel;
cs->cs_private = NULL;
cs->cs_ops = &zsops_null;
cs->cs_brg_clk = PCLK / 16;
zc = zs_get_chan_addr(zs_unit, channel);
cs->cs_reg_csr = &zc->zc_csr;
cs->cs_reg_data = &zc->zc_data;
memcpy(cs->cs_creg, zs_init_reg, 16);
memcpy(cs->cs_preg, zs_init_reg, 16);
/* XXX: Get these from the EEPROM instead? */
/* XXX: See the mvme167 code. Better. */
if (zsc_args.hwflags & ZS_HWFLAG_CONSOLE)
cs->cs_defspeed = zs_get_speed(cs);
else
cs->cs_defspeed = zs_defspeed[zs_unit][channel];
cs->cs_defcflag = zs_def_cflag;
/* Make these correspond to cs_defcflag (-crtscts) */
cs->cs_rr0_dcd = ZSRR0_DCD;
cs->cs_rr0_cts = 0;
cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;
cs->cs_wr5_rts = 0;
/*
* Clear the master interrupt enable.
* The INTENA is common to both channels,
* so just do it on the A channel.
*/
if (channel == 0) {
zs_write_reg(cs, 9, 0);
}
/*
* Look for a child driver for this channel.
* The child attach will setup the hardware.
*/
if (!config_found(self, (void *)&zsc_args, zs_print)) {
/* No sub-driver. Just reset it. */
uint8_t reset = (channel == 0) ?
ZSWR9_A_RESET : ZSWR9_B_RESET;
s = splhigh();
zs_write_reg(cs, 9, reset);
splx(s);
}
}
/*
* Now safe to install interrupt handlers. Note the arguments
* to the interrupt handlers aren't used. Note, we only do this
* once since both SCCs interrupt at the same level and vector.
*/
if (!didintr) {
didintr = 1;
isr_add_autovect(zshard, NULL, ca->ca_intpri);
}
zsc->zs_si = softint_establish(SOFTINT_SERIAL,
(void (*)(void *))zsc_intr_soft, zsc);
/* XXX; evcnt_attach() ? */
/*
* Set the master interrupt enable and interrupt vector.
* (common to both channels, do it on A)
*/
cs = zsc->zsc_cs[0];
s = splhigh();
/* interrupt vector */
zs_write_reg(cs, 2, zs_init_reg[2]);
/* master interrupt control (enable) */
zs_write_reg(cs, 9, zs_init_reg[9]);
splx(s);
/*
* XXX: L1A hack - We would like to be able to break into
* the debugger during the rest of autoconfiguration, so
* lower interrupts just enough to let zs interrupts in.
* This is done after both zs devices are attached.
*/
if (zs_unit == 1) {
(void)spl5(); /* splzs - 1 */
}
}
/*
* Attach a found zs.
*
* Match slave number to zs unit number, so that misconfiguration will
* not set up the keyboard as ttya, etc.
*/
void
zs_ap_attach(device_t parent, device_t self, void *aux)
{
struct zsc_softc *zsc = device_private(self);
struct apbus_attach_args *apa = aux;
struct zsc_attach_args zsc_args;
volatile struct zschan *zc;
struct zs_chanstate *cs;
int s, zs_unit, channel;
volatile u_int *txBfifo = (void *)(apa->apa_hwbase + PORTB_XPORT);
volatile u_int *rxBfifo = (void *)(apa->apa_hwbase + PORTB_RPORT);
volatile u_int *txAfifo = (void *)(apa->apa_hwbase + PORTA_XPORT);
volatile u_int *rxAfifo = (void *)(apa->apa_hwbase + PORTA_RPORT);
volatile u_int *portBctl = (void *)(apa->apa_hwbase + PORTB_OFFSET);
volatile u_int *portActl = (void *)(apa->apa_hwbase + PORTA_OFFSET);
volatile u_int *esccregs = (void *)(apa->apa_hwbase + ESCC_REG);
zsc->zsc_dev = self;
zs_unit = device_unit(self);
zsaddr[zs_unit] = (void *)apa->apa_hwbase;
aprint_normal(" slot%d addr 0x%lx\n", apa->apa_slotno, apa->apa_hwbase);
txAfifo[DMA_MODE_REG] = rxAfifo[DMA_MODE_REG] = DMA_EXTRDY;
txBfifo[DMA_MODE_REG] = rxBfifo[DMA_MODE_REG] = DMA_EXTRDY;
/* assert DTR */ /* XXX */
portBctl[PORT_CTL] = portActl[PORT_CTL] = PORTCTL_DTR;
/* select RS-232C (ch1 only) */
portActl[PORT_SEL] = PORTSEL_RS232C;
/* enable SCC interrupts */
esccregs[ESCCREG_INTMASK] = INTMASK_SCC;
zs_delay = zs_ap_delay;
/*
* Initialize software state for each channel.
*/
for (channel = 0; channel < 2; channel++) {
zsc_args.channel = channel;
zsc_args.hwflags = zs_hwflags[zs_unit][channel];
cs = &zsc->zsc_cs_store[channel];
zsc->zsc_cs[channel] = cs;
zs_lock_init(cs);
cs->cs_channel = channel;
cs->cs_private = NULL;
cs->cs_ops = &zsops_null;
cs->cs_brg_clk = PCLK / 16;
zc = zs_get_chan_addr(zs_unit, channel);
cs->cs_reg_csr = &zc->zc_csr;
cs->cs_reg_data = &zc->zc_data;
memcpy(cs->cs_creg, zs_init_reg, 16);
memcpy(cs->cs_preg, zs_init_reg, 16);
/* XXX: Get these from the EEPROM instead? */
/* XXX: See the mvme167 code. Better. */
if (zsc_args.hwflags & ZS_HWFLAG_CONSOLE)
cs->cs_defspeed = zs_get_speed(cs);
else
cs->cs_defspeed = zs_defspeed;
cs->cs_defcflag = zs_def_cflag;
/* Make these correspond to cs_defcflag (-crtscts) */
cs->cs_rr0_dcd = ZSRR0_DCD;
cs->cs_rr0_cts = 0;
cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;
cs->cs_wr5_rts = 0;
/*
* Clear the master interrupt enable.
* The INTENA is common to both channels,
* so just do it on the A channel.
*/
if (channel == 0) {
zs_write_reg(cs, 9, 0);
}
/*
* Look for a child driver for this channel.
* The child attach will setup the hardware.
*/
if (!config_found(self, (void *)&zsc_args, zs_print)) {
/* No sub-driver. Just reset it. */
uint8_t reset = (channel == 0) ?
ZSWR9_A_RESET : ZSWR9_B_RESET;
s = splhigh();
zs_write_reg(cs, 9, reset);
splx(s);
}
}
/*
* Now safe to install interrupt handlers.
*/
zsc->zsc_si = softint_establish(SOFTINT_SERIAL,
(void (*)(void *))zsc_intr_soft, zsc);
apbus_intr_establish(1, /* interrupt level ( 0 or 1 ) */
NEWS5000_INT1_SCC, 0, /* priority */
zshard_ap, zsc, apa->apa_name, apa->apa_ctlnum);
/* XXX; evcnt_attach() ? */
#if 0
{
u_int x;
/* determine SCC/ESCC type */
x = zs_read_reg(cs, 15);
zs_write_reg(cs, 15, x | ZSWR15_ENABLE_ENHANCED);
if (zs_read_reg(cs, 15) & ZSWR15_ENABLE_ENHANCED) { /* ESCC Z85230 */
zs_write_reg(cs, 7, ZSWR7P_EXTEND_READ | ZSWR7P_TX_FIFO);
}
}
#endif
/*
* Set the master interrupt enable and interrupt vector.
* (common to both channels, do it on A)
*/
cs = zsc->zsc_cs[0];
s = splhigh();
/* interrupt vector */
zs_write_reg(cs, 2, zs_init_reg[2]);
/* master interrupt control (enable) */
zs_write_reg(cs, 9, zs_init_reg[9]);
splx(s);
}
