diff options
Diffstat (limited to 'sys/arch/hppa/dev')
-rw-r--r-- | sys/arch/hppa/dev/asp.c | 170 |
1 files changed, 94 insertions, 76 deletions
diff --git a/sys/arch/hppa/dev/asp.c b/sys/arch/hppa/dev/asp.c index 49e137e9bd0..3e34183298e 100644 --- a/sys/arch/hppa/dev/asp.c +++ b/sys/arch/hppa/dev/asp.c @@ -1,7 +1,7 @@ -/* $OpenBSD: asp.c,v 1.1 1998/11/23 02:55:43 mickey Exp $ */ +/* $OpenBSD: asp.c,v 1.2 1999/05/05 02:19:02 mickey Exp $ */ /* - * Copyright (c) 1998 Michael Shalayeff + * Copyright (c) 1998,1999 Michael Shalayeff * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -40,36 +40,72 @@ #include <machine/autoconf.h> #include <hppa/dev/cpudevs.h> +#include <hppa/dev/viper.h> #include <hppa/gsc/gscbusvar.h> -struct asp_softc { - struct device sc_dv; +struct asp_hwr { + u_int8_t asp_reset; + u_int8_t asp_resv[31]; + u_int8_t asp_version; + u_int8_t asp_resv1[15]; + u_int8_t asp_scsidsync; + u_int8_t asp_resv2[15]; + u_int8_t asp_error; +}; - bus_space_tag_t sc_iot; - bus_space_handle_t sc_ioh; - bus_space_handle_t sc_cioh; +struct asp_trs { + u_int32_t asp_irr; + u_int32_t asp_imr; + u_int32_t asp_ipr; + u_int32_t asp_icr; + u_int32_t asp_iar; + u_int32_t asp_resv[3]; + u_int8_t asp_cled; +#define ASP_LEDDATA 1 +#define ASP_LEDSTROBE 2 +#define ASP_LEDPULSE 8 + u_int8_t asp_resv1[3]; + struct { + u_int :20, + asp_spu : 3, /* SPU ID board jumper */ +#define ASP_SPUCOBRA 0 +#define ASP_SPUCORAL 1 +#define ASP_SPUBUSH 2 +#define ASP_SPUHARDBALL 3 +#define ASP_SPUSCORPIO 4 +#define ASP_SPUCORAL2 5 + asp_sw : 1, /* front switch is normal */ + asp_clk : 1, /* SCSI clock is doubled */ + asp_lan : 2, /* LAN iface selector */ +#define ASP_LANINVAL 0 +#define ASP_LANAUI 1 +#define ASP_LANTHIN 2 +#define ASP_LANMISS 3 + asp_lanf: 1, /* LAN AUI fuse is ok */ + asp_spwr: 1, /* SCSI power ok */ + asp_scsi: 3; /* SCSI ctrl ID */ + } _asp_ios; +#define asp_spu _asp_ios.asp_spu +#define asp_sw _asp_ios.asp_sw +#define asp_clk _asp_ios.asp_clk +#define asp_lan _asp_ios.asp_lan +#define asp_lanf _asp_ios.asp_lanf +#define asp_spwr _asp_ios.asp_spwr +#define asp_scsi _asp_ios.asp_scsi +}; +struct asp_softc { + struct device sc_dev; struct gscbus_ic sc_ic; + struct asp_hwr volatile *sc_hw; + struct asp_trs volatile *sc_trs; u_int8_t sc_leds; }; -/* ASP "Primary Controller" definitions */ +/* ASP "Primary Controller" HPA */ #define ASP_CHPA 0xF0800000 -#define ASP_IRR 0x000 -#define ASP_IMR 0x004 -#define ASP_IPR 0x008 -#define ASP_LEDS 0x020 -#define ASP_LED_DATA 0x01 -#define ASP_LED_STROBE 0x02 -#define ASP_LED_PULSE 0x08 - -/* ASP registers definitions */ -#define ASP_RESET 0x000 -#define ASP_VERSION 0x020 -#define ASP_DSYNC 0x030 -#define ASP_ERROR 0x040 int aspmatch __P((struct device *, void *, void *)); void aspattach __P((struct device *, struct device *, void *)); @@ -82,7 +118,6 @@ struct cfdriver asp_cd = { NULL, "asp", DV_DULL }; -void asp_intr_attach __P((void *v, u_int in)); void asp_intr_establish __P((void *v, u_int32_t mask)); void asp_intr_disestablish __P((void *v, u_int32_t mask)); u_int32_t asp_intr_check __P((void *v)); @@ -96,17 +131,11 @@ aspmatch(parent, cfdata, aux) { struct confargs *ca = aux; /* struct cfdata *cf = cfdata; */ - bus_space_handle_t ioh; if (ca->ca_type.iodc_type != HPPA_TYPE_BHA || ca->ca_type.iodc_sv_model != HPPA_BHA_ASP) return 0; - if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) - return 0; - - bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE); - return 1; } @@ -119,28 +148,39 @@ aspattach(parent, self, aux) register struct confargs *ca = aux; register struct asp_softc *sc = (struct asp_softc *)self; struct gsc_attach_args ga; - u_int ver; + bus_space_handle_t ioh; + register u_int32_t irr; + register int s; - sc->sc_leds = 0; - sc->sc_iot = ca->ca_iot; - if (bus_space_map(sc->sc_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, - &sc->sc_ioh)) - panic("aspattach: unable to map bus space"); + if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) { +#ifdef DEBUG + printf("aspattach: can't map IO space\n"); +#endif + return; + } + + sc->sc_trs = (struct asp_trs *)ASP_CHPA; + sc->sc_hw = (struct asp_hwr *)ca->ca_hpa; - if (bus_space_map(sc->sc_iot, ASP_CHPA, IOMOD_HPASIZE, 0, - &sc->sc_cioh)) - panic("aspattach: unable to map bus space"); + sc->sc_leds = 0; /* reset ASP */ - bus_space_write_1(sc->sc_iot, sc->sc_ioh, ASP_RESET, 1); + sc->sc_hw->asp_reset = 1; + delay(400000); - ver = bus_space_read_4(sc->sc_iot, sc->sc_ioh, ASP_VERSION); - printf(": hpa 0x%x, rev %d\n", ca->ca_hpa, - (ver & 0xf0) >> 4, ver & 0xf); + s = splhigh(); + viper_setintrwnd(1 << ca->ca_irq); + + sc->sc_trs->asp_imr = ~0; + irr = sc->sc_trs->asp_irr; + sc->sc_trs->asp_imr = 0; + splx(s); + + printf (": rev %d, spu %d, lan %d, scsi %d\n", sc->sc_hw->asp_version, + sc->sc_trs->asp_spu,sc->sc_trs->asp_lan, sc->sc_trs->asp_scsi); sc->sc_ic.gsc_type = gsc_asp; sc->sc_ic.gsc_dv = sc; - sc->sc_ic.gsc_intr_attach = asp_intr_attach; sc->sc_ic.gsc_intr_establish = asp_intr_establish; sc->sc_ic.gsc_intr_disestablish = asp_intr_disestablish; sc->sc_ic.gsc_intr_check = asp_intr_check; @@ -159,44 +199,24 @@ heartbeat(int on) register struct asp_softc *sc; sc = asp_cd.cd_devs[0]; - if (sc) { - register u_int8_t r = sc->sc_leds ^= ASP_LED_PULSE, b; + if (asp_cd.cd_ndevs && sc) { + register u_int8_t r = sc->sc_leds ^= ASP_LEDPULSE, b; for (b = 0x80; b; b >>= 1) { - bus_space_write_1(sc->sc_iot, sc->sc_cioh, ASP_LEDS, - (r & b)? 1 : 0); - bus_space_write_1(sc->sc_iot, sc->sc_cioh, ASP_LEDS, - ASP_LED_STROBE | ((r & b)? 1 : 0)); + sc->sc_trs->asp_cled = (r & b)? 1 : 0; + sc->sc_trs->asp_cled = ASP_LEDSTROBE | (r & b)? 1 : 0; } } } #endif void -asp_intr_attach(v, irq) - void *v; - u_int irq; -{ - register struct asp_softc *sc = v; - int s; - - s = splhigh(); - cpu_setintrwnd(1 << irq); - - bus_space_write_4(sc->sc_iot, sc->sc_cioh, ASP_IMR, ~0); - bus_space_read_4 (sc->sc_iot, sc->sc_cioh, ASP_IRR); - bus_space_write_4(sc->sc_iot, sc->sc_cioh, ASP_IMR, 0); - splx(s); -} - -void asp_intr_establish(v, mask) void *v; u_int32_t mask; { register struct asp_softc *sc = v; - mask |= bus_space_read_4(sc->sc_iot, sc->sc_cioh, ASP_IMR); - bus_space_write_4(sc->sc_iot, sc->sc_cioh, ASP_IMR, mask); + sc->sc_trs->asp_imr |= mask; } void @@ -206,8 +226,7 @@ asp_intr_disestablish(v, mask) { register struct asp_softc *sc = v; - mask &= ~bus_space_read_4(sc->sc_iot, sc->sc_cioh, ASP_IMR); - bus_space_write_4(sc->sc_iot, sc->sc_cioh, ASP_IMR, mask); + sc->sc_trs->asp_imr &= ~mask; } u_int32_t @@ -215,13 +234,13 @@ asp_intr_check(v) void *v; { register struct asp_softc *sc = v; - register u_int32_t mask, imr; + register u_int32_t irr, imr; - imr = bus_space_read_4(sc->sc_iot, sc->sc_cioh, ASP_IMR); - mask = bus_space_read_4(sc->sc_iot, sc->sc_cioh, ASP_IRR); - bus_space_write_4(sc->sc_iot, sc->sc_cioh, ASP_IMR, imr & ~mask); + imr = sc->sc_trs->asp_imr; + irr = sc->sc_trs->asp_irr; + sc->sc_trs->asp_imr = imr & ~irr; - return mask; + return irr; } void @@ -231,6 +250,5 @@ asp_intr_ack(v, mask) { register struct asp_softc *sc = v; - mask |= bus_space_read_4(sc->sc_iot, sc->sc_cioh, ASP_IMR); - bus_space_write_4(sc->sc_iot, sc->sc_cioh, ASP_IMR, mask); + sc->sc_trs->asp_imr |= mask; } |