diff options
Diffstat (limited to 'sys/arch/hppa/dev/mongoose.c')
| -rw-r--r-- | sys/arch/hppa/dev/mongoose.c | 160 |
1 files changed, 144 insertions, 16 deletions
diff --git a/sys/arch/hppa/dev/mongoose.c b/sys/arch/hppa/dev/mongoose.c index d09186a9b61..353df6caff1 100644 --- a/sys/arch/hppa/dev/mongoose.c +++ b/sys/arch/hppa/dev/mongoose.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mongoose.c,v 1.4 1999/11/26 05:04:42 mickey Exp $ */ +/* $OpenBSD: mongoose.c,v 1.5 2000/01/28 20:20:47 mickey Exp $ */ /* * Copyright (c) 1998,1999 Michael Shalayeff @@ -45,6 +45,7 @@ #include <machine/autoconf.h> #include <hppa/dev/cpudevs.h> +#include <hppa/dev/viper.h> #include <dev/eisa/eisareg.h> #include <dev/eisa/eisavar.h> @@ -63,6 +64,105 @@ struct mongoose_regs { u_int8_t intack; }; +#define MONGOOSE_CTRL 0x00000 +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 mongoose_softc { @@ -70,15 +170,18 @@ struct mongoose_softc { void *sc_ih; bus_space_tag_t sc_bt; - struct mongoose_regs *sc_regs; + volatile struct mongoose_regs *sc_regs; + volatile struct mongoose_ctrl *sc_ctrl; bus_addr_t sc_iomap; struct hppa_eisa_chipset sc_ec; struct hppa_isa_chipset sc_ic; 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 { @@ -164,19 +267,41 @@ mgattach(parent, self, aux) register struct confargs *ca = aux; register struct mongoose_softc *sc = (struct mongoose_softc *)self; union mongoose_attach_args ea; + char brid[EISA_IDSTRINGLEN]; sc->sc_bt = ca->ca_iot; + sc->sc_iomap = ca->ca_hpa; sc->sc_regs = (struct mongoose_regs *)(ca->ca_hpa + MONGOOSE_MONGOOSE); - sc->sc_iomap = ca->ca_hpa + MONGOOSE_IOMAP; - - /* XXX should we reset the chip here? */ - - /* attach interrupt */ - sc->sc_ih = cpu_intr_establish(IPL_HIGH, ca->ca_irq, - mg_intr, sc, &sc->sc_dev); - - /* XXX determine eisa board id (how?) */ - printf (": rev %d, %d MHz\n", sc->sc_regs->version, + sc->sc_ctrl = (struct mongoose_ctrl *)(ca->ca_hpa + MONGOOSE_CTRL); + + 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; + p = (u_int8_t *)(ca->ca_hpa + 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 */ @@ -195,12 +320,11 @@ mgattach(parent, self, aux) sc->sc_eiot.hbt_map = mg_eisa_iomap; sc->sc_ememt.hbt_map = mg_eisa_memmap; sc->sc_ememt.hbt_unmap = mg_eisa_memunmap; - /* TODO: DMA tags */ /* 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; + ea.mongoose_eisa.eba_dmat = NULL /* &sc->sc_edmat */; ea.mongoose_eisa.eba_ec = &sc->sc_ec; config_found(self, &ea.mongoose_eisa, mgprint); @@ -224,11 +348,15 @@ mgattach(parent, self, aux) ea.mongoose_isa.iba_iot = &sc->sc_iiot; ea.mongoose_isa.iba_memt = &sc->sc_imemt; #if NISADMA > 0 - ea.mongoose_isa.iba_dmat = NULL; + ea.mongoose_isa.iba_dmat = &sc->sc_idmat; #endif ea.mongoose_isa.iba_ic = &sc->sc_ic; config_found(self, &ea.mongoose_isa, mgprint); #endif + + /* attach interrupt */ + sc->sc_ih = cpu_intr_establish(IPL_HIGH, ca->ca_irq, + mg_intr, sc, &sc->sc_dev); } int @@ -332,7 +460,7 @@ mg_eisa_iomap(v, addr, size, cacheable, bshp) { struct mongoose_softc *sc = v; - return (sc->sc_bt->hbt_map)(v, sc->sc_iomap + addr, size, + return (sc->sc_bt->hbt_map)(NULL, sc->sc_iomap + addr, size, cacheable, bshp); } |