Extend asc driver to include support for the VS400/9x.
Add VS4000/9x support vsbus_dma.c
This commit is contained in:
matt
parent
59c8861b20
commit
c10673838a
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@ -1,11 +1,11 @@
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# $NetBSD: GENERIC,v 1.63 2000/04/22 16:48:53 ragge Exp $
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# $NetBSD: GENERIC,v 1.64 2000/04/23 16:38:52 matt Exp $
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#
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# GENERIC VAX configuration file; all supported devices.
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#
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include "arch/vax/conf/std.vax"
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#ident "GENERIC-$Revision: 1.63 $"
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#ident "GENERIC-$Revision: 1.64 $"
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# Here are all different supported CPU types listed.
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options "VAX8600"
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@ -125,7 +125,8 @@ dz0 at vsbus0 csr 0x200a0000 # DC-367 DZ-11 lookalike ctlr
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dz0 at vsbus0 csr 0x25000000 # VS4000/90 serial line
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#hdc0 at vsbus0 csr 0x200c0000 # HDC9224 MFM/floppy ctlr
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ncr0 at vsbus0 csr 0x200c0080 # VS2000/3100 SCSI-ctlr
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asc0 at vsbus0 csr 0x200c0080 # VS4000 SCSI-ctlr
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asc0 at vsbus0 csr 0x200c0080 # VS4000/60 (or VLC) SCSI-ctlr
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asc0 at vsbus0 csr 0x26000080 # VS4000/90 SCSI-ctlr
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ncr1 at vsbus0 csr 0x200c0180 # VS2000/3100 SCSI-ctlr
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smg0 at vsbus0 csr 0x200f0000 # Small monochrome display ctlr.
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#clr0 at vsbus0 csr 0x30000000 # 4- or 8-bitplans color graphics
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@ -1,4 +1,4 @@
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/* $NetBSD: vsbus.h,v 1.11 2000/03/04 07:27:49 matt Exp $ */
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/* $NetBSD: vsbus.h,v 1.12 2000/04/23 16:38:53 matt Exp $ */
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/*
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* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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@ -65,6 +65,7 @@ struct vsbus_attach_args {
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#define NI_BASE 0x200e0000 /* LANCE CSRs */
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#define NI_IOSIZE (128 * VAX_NBPG) /* IO address size */
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#define KA49_SCSIMAP 0x27000000 /* KA49 SCSI SGMAP */
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/*
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* Small monochrome graphics framebuffer, present on all machines.
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*/
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@ -77,12 +78,13 @@ struct vsbus_softc {
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u_char *sc_intclr; /* Clear interrupt register */
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u_char *sc_intreq; /* Interrupt request register */
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u_char sc_mask; /* Interrupts to enable after autoconf */
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vaddr_t sc_vsregs; /* Where the VS_REGS are mapped */
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struct vax_bus_dma_tag sc_dmatag;
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struct vax_sgmap sc_sgmap;
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};
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#ifdef _KERNEL
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void vsbus_dma_init __P((struct vsbus_softc *));
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void vsbus_dma_init __P((struct vsbus_softc *, unsigned ptecnt));
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u_char vsbus_setmask __P((int));
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void vsbus_clrintr __P((int));
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void vsbus_copytoproc __P((struct proc *, caddr_t, caddr_t, int));
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@ -1,4 +1,4 @@
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/* $NetBSD: asc_vsbus.c,v 1.10 2000/04/18 21:25:31 matt Exp $ */
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/* $NetBSD: asc_vsbus.c,v 1.11 2000/04/23 16:38:54 matt Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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@ -40,7 +40,7 @@
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: asc_vsbus.c,v 1.10 2000/04/18 21:25:31 matt Exp $");
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__KERNEL_RCSID(0, "$NetBSD: asc_vsbus.c,v 1.11 2000/04/23 16:38:54 matt Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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@ -76,6 +76,8 @@ struct asc_vsbus_softc {
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struct ncr53c9x_softc sc_ncr53c9x; /* Must be first */
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bus_space_tag_t sc_bst; /* bus space tag */
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bus_space_handle_t sc_bsh; /* bus space handle */
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bus_space_handle_t sc_dirh; /* scsi direction handle */
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bus_space_handle_t sc_adrh; /* scsi address handle */
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bus_space_handle_t sc_ncrh; /* ncr bus space handle */
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bus_dma_tag_t sc_dmat; /* bus dma tag */
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bus_dmamap_t sc_dmamap;
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@ -89,8 +91,10 @@ struct asc_vsbus_softc {
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unsigned long sc_xfers;
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};
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#define ASC_REG_ADR 0x0000
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#define ASC_REG_DIR 0x000C
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#define ASC_REG_KA46_ADR 0x0000
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#define ASC_REG_KA46_DIR 0x000C
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#define ASC_REG_KA49_ADR 0x0004
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#define ASC_REG_KA49_DIR 0x0008
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#define ASC_REG_NCR 0x0080
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#define ASC_REG_END 0x00B0
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@ -147,7 +151,7 @@ asc_vsbus_match( struct device *parent, struct cfdata *cf, void *aux)
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if (vax_boardtype != VAX_BTYP_46
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&& vax_boardtype != VAX_BTYP_48
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/* && vax_boardtype != VAX_BTYP_49 */)
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&& vax_boardtype != VAX_BTYP_49)
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return 0;
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ncr_regs = (volatile u_int8_t *) va->va_addr;
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@ -203,6 +207,34 @@ asc_vsbus_attach(struct device *parent, struct device *self, void *aux)
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printf(": failed to map ncr registers: error=%d\n", error);
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return;
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}
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if (vax_boardtype == VAX_BTYP_46 || vax_boardtype == VAX_BTYP_48) {
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error = bus_space_subregion(asc->sc_bst, asc->sc_bsh,
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ASC_REG_KA46_ADR, sizeof(u_int32_t), &asc->sc_adrh);
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if (error) {
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printf(": failed to map adr register: error=%d\n",
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error);
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return;
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}
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error = bus_space_subregion(asc->sc_bst, asc->sc_bsh,
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ASC_REG_KA46_DIR, sizeof(u_int32_t), &asc->sc_dirh);
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if (error) {
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printf(": failed to map dir register: error=%d\n",
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error);
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return;
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}
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} else {
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/* This is a gross and disgusting kludge but it'll
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* save a bunch of ugly code. Unlike the VS4000/60,
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* the SCSI Address and direction registers are not
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* near the SCSI NCR registers and are inside the
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* block of general VAXstation registers. So we grab
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* them from there and knowing the internals of the
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* bus_space implementation, we cast to bus_space_handles.
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*/
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struct vsbus_softc *vsc = (struct vsbus_softc *) parent;
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asc->sc_adrh = (bus_space_handle_t) (vsc->sc_vsregs + ASC_REG_KA49_ADR);
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asc->sc_dirh = (bus_space_handle_t) (vsc->sc_vsregs + ASC_REG_KA49_DIR);
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}
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error = bus_dmamap_create(asc->sc_dmat, ASC_MAXXFERSIZE, 1,
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ASC_MAXXFERSIZE, 0, BUS_DMA_NOWAIT, &asc->sc_dmamap);
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@ -398,9 +430,9 @@ asc_vsbus_dma_setup(struct ncr53c9x_softc *sc, caddr_t *addr, size_t *len,
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asc->sc_flags & ASC_FROMMEMORY
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? BUS_DMASYNC_PREWRITE
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: BUS_DMASYNC_PREREAD);
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bus_space_write_4(asc->sc_bst, asc->sc_bsh, ASC_REG_ADR,
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bus_space_write_4(asc->sc_bst, asc->sc_adrh, 0,
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asc->sc_dmamap->dm_segs[0].ds_addr);
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bus_space_write_4(asc->sc_bst, asc->sc_bsh, ASC_REG_DIR,
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bus_space_write_4(asc->sc_bst, asc->sc_dirh, 0,
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asc->sc_flags & ASC_FROMMEMORY);
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asc->sc_flags |= ASC_MAPLOADED;
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: if_ze_vsbus.c,v 1.2 2000/01/24 02:40:35 matt Exp $ */
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/* $NetBSD: if_ze_vsbus.c,v 1.3 2000/04/23 16:38:54 matt Exp $ */
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/*
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* Copyright (c) 1999 Ludd, University of Lule}, Sweden. All rights reserved.
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*
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@ -104,6 +104,7 @@ zeattach(parent, self, aux)
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{
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struct ze_softc *sc = (struct ze_softc *)self;
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struct vsbus_attach_args *va = aux;
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extern struct vax_bus_dma_tag vax_bus_dma_tag;
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int *ea, i;
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/*
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@ -111,7 +112,7 @@ zeattach(parent, self, aux)
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*/
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sc->sc_ioh = vax_map_physmem(SGECADDR, 1);
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sc->sc_iot = 0; /* :-) */
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sc->sc_dmat = va->va_dmat;
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sc->sc_dmat = &vax_bus_dma_tag;
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sc->sc_intvec = SGECVEC;
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scb_vecalloc(va->va_cvec, (void (*)(void *)) sgec_intr, sc, SCB_ISTACK);
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@ -1,4 +1,4 @@
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/* $NetBSD: vsbus.c,v 1.23 2000/03/08 23:50:51 matt Exp $ */
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/* $NetBSD: vsbus.c,v 1.24 2000/04/23 16:38:54 matt Exp $ */
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/*
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* Copyright (c) 1996, 1999 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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@ -132,7 +132,6 @@ vsbus_attach(parent, self, aux)
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void *aux;
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{
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struct vsbus_softc *sc = (void *)self;
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vaddr_t temp;
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printf("\n");
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@ -141,28 +140,29 @@ vsbus_attach(parent, self, aux)
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switch (vax_boardtype) {
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#if VAX49
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case VAX_BTYP_49:
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temp = vax_map_physmem(0x25c00000, 1);
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sc->sc_intreq = (char *)temp + 12;
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sc->sc_intclr = (char *)temp + 12;
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sc->sc_intmsk = (char *)temp + 8;
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#if 0
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vsbus_dma_init(sc); /* not yet */
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#endif
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sc->sc_vsregs = vax_map_physmem(0x25c00000, 1);
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sc->sc_intreq = (char *)sc->sc_vsregs + 12;
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sc->sc_intclr = (char *)sc->sc_vsregs + 12;
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sc->sc_intmsk = (char *)sc->sc_vsregs + 8;
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vsbus_dma_init(sc, 8192);
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break;
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#endif
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#if VAX46 || VAX48
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case VAX_BTYP_48:
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case VAX_BTYP_46:
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vsbus_dma_init(sc);
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/* FALL THROUGH */
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sc->sc_vsregs = vax_map_physmem(VS_REGS, 1);
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sc->sc_intreq = (char *)sc->sc_vsregs + 15;
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sc->sc_intclr = (char *)sc->sc_vsregs + 15;
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sc->sc_intmsk = (char *)sc->sc_vsregs + 12;
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vsbus_dma_init(sc, 32768);
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#endif
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default:
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temp = vax_map_physmem(VS_REGS, 1);
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sc->sc_intreq = (char *)temp + 15;
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sc->sc_intclr = (char *)temp + 15;
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sc->sc_intmsk = (char *)temp + 12;
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sc->sc_vsregs = vax_map_physmem(VS_REGS, 1);
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sc->sc_intreq = (char *)sc->sc_vsregs + 15;
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sc->sc_intclr = (char *)sc->sc_vsregs + 15;
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sc->sc_intmsk = (char *)sc->sc_vsregs + 12;
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break;
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: vsbus_dma.c,v 1.3 2000/03/07 00:07:16 matt Exp $ */
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/* $NetBSD: vsbus_dma.c,v 1.4 2000/04/23 16:38:54 matt Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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@ -48,6 +48,7 @@
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#define _VAX_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <machine/cpu.h>
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#include <machine/sid.h>
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#include <machine/sgmap.h>
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#include <machine/vsbus.h>
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@ -74,14 +75,15 @@ static void vsbus_bus_dmamap_sync __P((bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
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bus_size_t, int));
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void
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vsbus_dma_init(sc)
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vsbus_dma_init(sc, ptecnt)
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struct vsbus_softc *sc;
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unsigned ptecnt;
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{
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bus_dma_tag_t t;
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bus_dma_segment_t segs[1];
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struct pte *pte;
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int nsegs, error;
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vaddr_t vs_regs;
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unsigned mapsize = ptecnt * sizeof(struct pte);
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/*
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* Initialize the DMA tag used for sgmap-mapped DMA.
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@ -89,7 +91,7 @@ vsbus_dma_init(sc)
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t = &sc->sc_dmatag;
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t->_cookie = sc;
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t->_wbase = 0;
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t->_wsize = 16*1024*1024;
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t->_wsize = ptecnt * VAX_NBPG;
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t->_boundary = 0;
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t->_sgmap = &sc->sc_sgmap;
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t->_dmamap_create = vsbus_bus_dmamap_create_sgmap;
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@ -107,28 +109,34 @@ vsbus_dma_init(sc)
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t->_dmamem_unmap = _bus_dmamem_unmap;
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t->_dmamem_mmap = _bus_dmamem_mmap;
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/*
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* Allocate and map the VS4000 scatter gather map.
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*/
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error = bus_dmamem_alloc(t, 0x20000, 0x20000, 0x20000,
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segs, 1, &nsegs, BUS_DMA_NOWAIT);
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if (error) {
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panic("vsbus_dma_init: error allocating memory for hw sgmap"
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": error=%d", error);
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}
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if (vax_boardtype == VAX_BTYP_46 || vax_boardtype == VAX_BTYP_48) {
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/*
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* Allocate and map the VS4000 scatter gather map.
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*/
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error = bus_dmamem_alloc(t, mapsize, mapsize, mapsize,
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segs, 1, &nsegs, BUS_DMA_NOWAIT);
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if (error) {
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panic("vsbus_dma_init: error allocating memory for "
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"hw sgmap: error=%d", error);
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}
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error = bus_dmamem_map(t, segs, nsegs, 0x20000,
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(caddr_t *) &pte, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
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if (error) {
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panic("vsbus_dma_init: error mapping memory for hw sgmap"
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": error=%d", error);
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error = bus_dmamem_map(t, segs, nsegs, mapsize,
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(caddr_t *) &pte, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
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if (error) {
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panic("vsbus_dma_init: error mapping memory for "
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"hw sgmap: error=%d", error);
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}
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memset(pte, 0, mapsize);
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*(int *) (sc->sc_vsregs + 8) = segs->ds_addr; /* set MAP BASE 0x2008008 */
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} else {
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pte = (struct pte *) vax_map_physmem(KA49_SCSIMAP, mapsize / VAX_NBPG);
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for (; ptecnt > 0; ) {
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((u_int32_t *) pte)[--ptecnt] = 0;
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}
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segs->ds_addr = KA49_SCSIMAP;
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}
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printf("%s: 32K entry DMA SGMAP at PA 0x%lx (VA %p)\n",
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sc->sc_dev.dv_xname, segs->ds_addr, pte);
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memset(pte, 0, 0x20000);
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vs_regs = vax_map_physmem(VS_REGS, 1);
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*(int *) (vs_regs + 8) = segs->ds_addr; /* set MAP BASE 0x2008008 */
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vax_unmap_physmem(vs_regs, 1);
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printf("%s: %uK entry DMA SGMAP at PA 0x%lx (VA %p)\n",
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sc->sc_dev.dv_xname, ptecnt / 1024, segs->ds_addr, pte);
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/*
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* Initialize the SGMAP.
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