/*
* Attach a found zs.
*/
static void
zs_attach(device_t parent, device_t self, void *aux)
{
struct zsc_softc *zsc = device_private(self);
struct intio_attach_args *ia = aux;
struct zsc_attach_args zsc_args;
volatile struct zschan *zc;
struct zs_chanstate *cs;
int r, s, zs_unit, channel;
zsc->zsc_dev = self;
aprint_normal("\n");
zs_unit = device_unit(self);
zsc->zsc_addr = (void *)ia->ia_addr;
ia->ia_size = 8;
r = intio_map_allocate_region(parent, ia, INTIO_MAP_ALLOCATE);
#ifdef DIAGNOSTIC
if (r)
panic("zs: intio IO map corruption");
#endif
/*
* Initialize software state for each channel.
*/
for (channel = 0; channel < 2; channel++) {
device_t child;
zsc_args.channel = channel;
zsc_args.hwflags = 0;
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;
if (channel == 0)
zc = (volatile void *)IIOV(&zsc->zsc_addr->zs_chan_a);
else
zc = (volatile void *)IIOV(&zsc->zsc_addr->zs_chan_b);
cs->cs_reg_csr = &zc->zc_csr;
cs->cs_reg_data = &zc->zc_data;
zs_init_reg[2] = ia->ia_intr;
memcpy(cs->cs_creg, zs_init_reg, 16);
memcpy(cs->cs_preg, zs_init_reg, 16);
if (zc == conschan) {
zsc_args.hwflags |= ZS_HWFLAG_CONSOLE;
cs->cs_defspeed = zs_get_speed(cs);
cs->cs_defcflag = zscn_def_cflag;
} else {
cs->cs_defspeed = 9600;
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) {
s = splzs();
zs_write_reg(cs, 9, 0);
splx(s);
}
/*
* Look for a child driver for this channel.
* The child attach will setup the hardware.
*/
child = config_found(self, (void *)&zsc_args, zs_print);
#if ZSTTY > 0
if (zc == conschan &&
((child && strcmp(device_xname(child), "zstty0")) ||
child == NULL)) /* XXX */
panic("%s: console device mismatch", __func__);
#endif
if (child == NULL) {
/* No sub-driver. Just reset it. */
uint8_t reset = (channel == 0) ?
ZSWR9_A_RESET : ZSWR9_B_RESET;
s = splzs();
zs_write_reg(cs, 9, reset);
splx(s);
}
}
/*
* Now safe to install interrupt handlers.
*/
if (intio_intr_establish(ia->ia_intr, "zs", zshard, zsc))
panic("%s: interrupt vector busy", __func__);
zsc->zsc_softintr_cookie = 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 = splzs();
/* interrupt vector */
zs_write_reg(cs, 2, ia->ia_intr);
/* master interrupt control (enable) */
zs_write_reg(cs, 9, zs_init_reg[9]);
splx(s);
}
/*
* 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);
}
/*
* 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_hpc_attach(device_t parent, device_t self, void *aux)
{
struct zsc_softc *zsc = device_private(self);
struct hpc_attach_args *haa = aux;
struct zsc_attach_args zsc_args;
struct zs_chanstate *cs;
struct zs_channel *ch;
int zs_unit, channel, err, s;
const char *promconsdev;
promconsdev = arcbios_GetEnvironmentVariable("ConsoleOut");
zsc->zsc_dev = self;
zsc->zsc_bustag = haa->ha_st;
if ((err = bus_space_subregion(haa->ha_st, haa->ha_sh,
haa->ha_devoff, 0x10,
&zsc->zsc_base)) != 0) {
aprint_error(": unable to map 85c30 registers, error = %d\n",
err);
return;
}
zs_unit = device_unit(self);
aprint_normal("\n");
/*
* Initialize software state for each channel.
*
* Done in reverse order of channels since the first serial port
* is actually attached to the *second* channel, and vice versa.
* Doing it this way should force a 'zstty*' to attach zstty0 to
* channel 1 and zstty1 to channel 0. They couldn't have wired
* it up in a more sensible fashion, could they?
*/
for (channel = 1; channel >= 0; channel--) {
zsc_args.channel = channel;
ch = &zsc->zsc_cs_store[channel];
cs = zsc->zsc_cs[channel] = (struct zs_chanstate *)ch;
zs_lock_init(cs);
cs->cs_reg_csr = NULL;
cs->cs_reg_data = NULL;
cs->cs_channel = channel;
cs->cs_private = NULL;
cs->cs_ops = &zsops_null;
cs->cs_brg_clk = PCLK / 16;
if (bus_space_subregion(zsc->zsc_bustag, zsc->zsc_base,
zs_chan_offset[channel],
sizeof(struct zschan),
&ch->cs_regs) != 0) {
aprint_error_dev(self, "cannot map regs\n");
return;
}
ch->cs_bustag = zsc->zsc_bustag;
memcpy(cs->cs_creg, zs_init_reg, 16);
memcpy(cs->cs_preg, zs_init_reg, 16);
zsc_args.hwflags = 0;
zsc_args.consdev = NULL;
if (zs_consunit == -1 && zs_conschan == -1) {
/*
* If this channel is being used by the PROM console,
* pass the generic zs driver a 'no reset' flag so the
* channel gets left in the appropriate state after
* attach.
*
* Note: the channel mappings are swapped.
*/
if (promconsdev != NULL &&
strlen(promconsdev) == 9 &&
strncmp(promconsdev, "serial", 6) == 0 &&
(promconsdev[7] == '0' || promconsdev[7] == '1')) {
if (promconsdev[7] == '1' && channel == 0)
zsc_args.hwflags |= ZS_HWFLAG_NORESET;
else if (promconsdev[7] == '0' && channel == 1)
zsc_args.hwflags |= ZS_HWFLAG_NORESET;
}
}
/* If console, don't stomp speed, let zstty know */
if (zs_unit == zs_consunit && channel == zs_conschan) {
zsc_args.consdev = &zs_cn;
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);
}
}
zsc->sc_si = softint_establish(SOFTINT_SERIAL, zssoft, zsc);
cpu_intr_establish(haa->ha_irq, IPL_TTY, zshard, NULL);
evcnt_attach_dynamic(&zsc->zsc_intrcnt, EVCNT_TYPE_INTR, NULL,
device_xname(self), "intr");
/*
* 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);
}
/*
* 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;
struct zs_chanstate *cs;
struct zs_channel *ch;
int zs_unit, channel, s;
zsc->zsc_dev = self;
zsc->zsc_bustag = ca->ca_bustag;
if (bus_space_map(ca->ca_bustag, ca->ca_addr,
sizeof(struct zsdevice),
BUS_SPACE_MAP_LINEAR,
&zsc->zsc_base) != 0) {
aprint_error(": cannot map registers\n");
return;
}
zs_unit = device_unit(self);
aprint_normal("\n");
/*
* Initialize software state for each channel.
*/
for (channel = 0; channel < 2; channel++) {
zsc_args.channel = channel;
zsc_args.hwflags = zs_hwflags[zs_unit][channel];
ch = &zsc->zsc_cs_store[channel];
cs = zsc->zsc_cs[channel] = (struct zs_chanstate *)ch;
zs_lock_init(cs);
cs->cs_reg_csr = NULL;
cs->cs_reg_data = NULL;
cs->cs_channel = channel;
cs->cs_private = NULL;
cs->cs_ops = &zsops_null;
cs->cs_brg_clk = PCLK / 16;
if (bus_space_subregion(ca->ca_bustag, zsc->zsc_base,
zs_chan_offset[channel],
sizeof(struct zschan),
&ch->cs_regs) != 0) {
aprint_error_dev(self, ": cannot map regs\n");
return;
}
ch->cs_bustag = ca->ca_bustag;
memcpy(cs->cs_creg, zs_init_reg, 16);
memcpy(cs->cs_preg, zs_init_reg, 16);
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);
}
}
zsc->sc_si = softint_establish(SOFTINT_SERIAL, zssoft, zsc);
bus_intr_establish(zsc->zsc_bustag, SYS_INTR_SCC0, 0, 0, zshard, NULL);
evcnt_attach_dynamic(&zsc->zs_intrcnt, EVCNT_TYPE_INTR, NULL,
device_xname(self), "intr");
/*
* 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);
}
