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Diffstat (limited to 'sys/dev/ic/am79c930.c')
-rw-r--r--sys/dev/ic/am79c930.c450
1 files changed, 0 insertions, 450 deletions
diff --git a/sys/dev/ic/am79c930.c b/sys/dev/ic/am79c930.c
deleted file mode 100644
index 3e4363b7b26..00000000000
--- a/sys/dev/ic/am79c930.c
+++ /dev/null
@@ -1,450 +0,0 @@
-/* $OpenBSD: am79c930.c,v 1.4 2002/03/14 01:26:54 millert Exp $ */
-/* $NetBSD: am79c930.c,v 1.5 2000/03/23 13:57:58 onoe Exp $ */
-
-/*-
- * Copyright (c) 1999 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Bill Sommerfeld
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the NetBSD
- * Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * Am79c930 chip driver.
- *
- * This is used by the awi driver to use the shared
- * memory attached to the 79c930 to communicate with the firmware running
- * in the 930's on-board 80188 core.
- *
- * The 79c930 can be mapped into just I/O space, or also have a
- * memory mapping; the mapping must be set up by the bus front-end
- * before am79c930_init is called.
- */
-
-/*
- * operations:
- *
- * read_8, read_16, read_32, read_64, read_bytes
- * write_8, write_16, write_32, write_64, write_bytes
- * (two versions, depending on whether memory-space or i/o space is in use).
- *
- * interrupt E.C.
- * start isr
- * end isr
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#ifndef __FreeBSD__
-#include <sys/device.h>
-#endif
-
-#include <machine/cpu.h>
-#ifdef __FreeBSD__
-#include <machine/bus_pio.h>
-#include <machine/bus_memio.h>
-#endif
-#include <machine/bus.h>
-#ifdef __NetBSD__
-#include <machine/intr.h>
-#endif
-
-#if defined(__NetBSD__) || defined(__OpenBSD__)
-#include <dev/ic/am79c930reg.h>
-#include <dev/ic/am79c930var.h>
-#endif
-#ifdef __FreeBSD__
-#include <dev/awi/am79c930reg.h>
-#include <dev/awi/am79c930var.h>
-#endif
-
-#define AM930_DELAY(x) /*nothing*/
-
-void am79c930_regdump(struct am79c930_softc *sc);
-
-static void io_write_1(struct am79c930_softc *, u_int32_t, u_int8_t);
-static void io_write_2(struct am79c930_softc *, u_int32_t, u_int16_t);
-static void io_write_4(struct am79c930_softc *, u_int32_t, u_int32_t);
-static void io_write_bytes(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
-
-static u_int8_t io_read_1(struct am79c930_softc *, u_int32_t);
-static u_int16_t io_read_2(struct am79c930_softc *, u_int32_t);
-static u_int32_t io_read_4(struct am79c930_softc *, u_int32_t);
-static void io_read_bytes(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
-
-static void mem_write_1(struct am79c930_softc *, u_int32_t, u_int8_t);
-static void mem_write_2(struct am79c930_softc *, u_int32_t, u_int16_t);
-static void mem_write_4(struct am79c930_softc *, u_int32_t, u_int32_t);
-static void mem_write_bytes(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
-
-static u_int8_t mem_read_1(struct am79c930_softc *, u_int32_t);
-static u_int16_t mem_read_2(struct am79c930_softc *, u_int32_t);
-static u_int32_t mem_read_4(struct am79c930_softc *, u_int32_t);
-static void mem_read_bytes(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
-
-static struct am79c930_ops iospace_ops = {
- io_write_1,
- io_write_2,
- io_write_4,
- io_write_bytes,
- io_read_1,
- io_read_2,
- io_read_4,
- io_read_bytes
-};
-
-struct am79c930_ops memspace_ops = {
- mem_write_1,
- mem_write_2,
- mem_write_4,
- mem_write_bytes,
- mem_read_1,
- mem_read_2,
- mem_read_4,
- mem_read_bytes
-};
-
-static void io_write_1 (sc, off, val)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int8_t val;
-{
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_HI,
- ((off>>8)& 0x7f));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_LO, (off&0xff));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_IODPA, val);
- AM930_DELAY(1);
-}
-
-static void io_write_2 (sc, off, val)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int16_t val;
-{
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_HI,
- ((off>>8)& 0x7f));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_LMA_LO, (off&0xff));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_IODPA, val & 0xff);
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_IODPA, (val>>8)&0xff);
- AM930_DELAY(1);
-}
-
-static void io_write_4 (sc, off, val)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int32_t val;
-{
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_HI,
- ((off>>8)& 0x7f));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_LMA_LO, (off&0xff));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_IODPA,val & 0xff);
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_IODPA,(val>>8)&0xff);
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_IODPA,(val>>16)&0xff);
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_IODPA,(val>>24)&0xff);
- AM930_DELAY(1);
-}
-
-static void io_write_bytes (sc, off, ptr, len)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int8_t *ptr;
- size_t len;
-{
- int i;
-
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_HI,
- ((off>>8)& 0x7f));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_LMA_LO, (off&0xff));
- AM930_DELAY(1);
- for (i=0; i<len; i++)
- bus_space_write_1(sc->sc_iot,sc->sc_ioh,AM79C930_IODPA,ptr[i]);
-}
-
-static u_int8_t io_read_1 (sc, off)
- struct am79c930_softc *sc;
- u_int32_t off;
-{
- u_int8_t val;
-
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_HI,
- ((off>>8)& 0x7f));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_LO, (off&0xff));
- AM930_DELAY(1);
- val = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AM79C930_IODPA);
- AM930_DELAY(1);
- return val;
-}
-
-static u_int16_t io_read_2 (sc, off)
- struct am79c930_softc *sc;
- u_int32_t off;
-{
- u_int16_t val;
-
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_HI,
- ((off>>8)& 0x7f));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_LO, (off&0xff));
- AM930_DELAY(1);
- val = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AM79C930_IODPA);
- AM930_DELAY(1);
- val |= bus_space_read_1(sc->sc_iot, sc->sc_ioh, AM79C930_IODPA) << 8;
- AM930_DELAY(1);
- return val;
-}
-
-static u_int32_t io_read_4 (sc, off)
- struct am79c930_softc *sc;
- u_int32_t off;
-{
- u_int32_t val;
-
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_HI,
- ((off>>8)& 0x7f));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_LO, (off&0xff));
- AM930_DELAY(1);
- val = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AM79C930_IODPA);
- AM930_DELAY(1);
- val |= bus_space_read_1(sc->sc_iot, sc->sc_ioh, AM79C930_IODPA) << 8;
- AM930_DELAY(1);
- val |= bus_space_read_1(sc->sc_iot, sc->sc_ioh, AM79C930_IODPA) << 16;
- AM930_DELAY(1);
- val |= bus_space_read_1(sc->sc_iot, sc->sc_ioh, AM79C930_IODPA) << 24;
- AM930_DELAY(1);
- return val;
-}
-
-static void io_read_bytes (sc, off, ptr, len)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int8_t *ptr;
- size_t len;
-{
- int i;
-
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_HI,
- ((off>>8)& 0x7f));
- AM930_DELAY(1);
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_LMA_LO, (off&0xff));
- AM930_DELAY(1);
- for (i=0; i<len; i++)
- ptr[i] = bus_space_read_1(sc->sc_iot, sc->sc_ioh,
- AM79C930_IODPA);
-}
-
-static void mem_write_1 (sc, off, val)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int8_t val;
-{
- bus_space_write_1(sc->sc_memt, sc->sc_memh, off, val);
-}
-
-static void mem_write_2 (sc, off, val)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int16_t val;
-{
- bus_space_tag_t t = sc->sc_memt;
- bus_space_handle_t h = sc->sc_memh;
-
- /* could be unaligned */
- if ((off & 0x1) == 0)
- bus_space_write_2(t, h, off, val);
- else {
- bus_space_write_1(t, h, off, val & 0xff);
- bus_space_write_1(t, h, off+1, (val >> 8) & 0xff);
- }
-}
-
-static void mem_write_4 (sc, off, val)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int32_t val;
-{
- bus_space_tag_t t = sc->sc_memt;
- bus_space_handle_t h = sc->sc_memh;
-
- /* could be unaligned */
- if ((off & 0x3) == 0)
- bus_space_write_4(t, h, off, val);
- else {
- bus_space_write_1(t, h, off, val & 0xff);
- bus_space_write_1(t, h, off+1, (val >> 8) & 0xff);
- bus_space_write_1(t, h, off+2, (val >> 16) & 0xff);
- bus_space_write_1(t, h, off+3, (val >> 24) & 0xff);
- }
-}
-
-static void mem_write_bytes (sc, off, ptr, len)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int8_t *ptr;
- size_t len;
-{
- bus_space_write_region_1 (sc->sc_memt, sc->sc_memh, off, ptr, len);
-}
-
-
-static u_int8_t mem_read_1 (sc, off)
- struct am79c930_softc *sc;
- u_int32_t off;
-{
- return bus_space_read_1(sc->sc_memt, sc->sc_memh, off);
-}
-
-static u_int16_t mem_read_2 (sc, off)
- struct am79c930_softc *sc;
- u_int32_t off;
-{
- /* could be unaligned */
- if ((off & 0x1) == 0)
- return bus_space_read_2(sc->sc_memt, sc->sc_memh, off);
- else
- return
- bus_space_read_1(sc->sc_memt, sc->sc_memh, off ) |
- (bus_space_read_1(sc->sc_memt, sc->sc_memh, off+1) << 8);
-}
-
-static u_int32_t mem_read_4 (sc, off)
- struct am79c930_softc *sc;
- u_int32_t off;
-{
- /* could be unaligned */
- if ((off & 0x3) == 0)
- return bus_space_read_4(sc->sc_memt, sc->sc_memh, off);
- else
- return
- bus_space_read_1(sc->sc_memt, sc->sc_memh, off ) |
- (bus_space_read_1(sc->sc_memt, sc->sc_memh, off+1) << 8) |
- (bus_space_read_1(sc->sc_memt, sc->sc_memh, off+2) <<16) |
- (bus_space_read_1(sc->sc_memt, sc->sc_memh, off+3) <<24);
-}
-
-
-
-static void mem_read_bytes (sc, off, ptr, len)
- struct am79c930_softc *sc;
- u_int32_t off;
- u_int8_t *ptr;
- size_t len;
-{
- bus_space_read_region_1 (sc->sc_memt, sc->sc_memh, off, ptr, len);
-}
-
-
-
-
-/*
- * Set bits in GCR.
- */
-
-void am79c930_gcr_setbits (sc, bits)
- struct am79c930_softc *sc;
- u_int8_t bits;
-{
- u_int8_t gcr = bus_space_read_1 (sc->sc_iot, sc->sc_ioh, AM79C930_GCR);
-
- gcr |= bits;
-
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_GCR, gcr);
-}
-
-/*
- * Clear bits in GCR.
- */
-
-void am79c930_gcr_clearbits (sc, bits)
- struct am79c930_softc *sc;
- u_int8_t bits;
-{
- u_int8_t gcr = bus_space_read_1 (sc->sc_iot, sc->sc_ioh, AM79C930_GCR);
-
- gcr &= ~bits;
-
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_GCR, gcr);
-}
-
-u_int8_t am79c930_gcr_read (sc)
- struct am79c930_softc *sc;
-{
- return bus_space_read_1 (sc->sc_iot, sc->sc_ioh, AM79C930_GCR);
-}
-
-#if 0
-void am79c930_regdump (sc)
- struct am79c930_softc *sc;
-{
- u_int8_t buf[8];
- int i;
-
- AM930_DELAY(5);
- for (i=0; i<8; i++) {
- buf[i] = bus_space_read_1 (sc->sc_iot, sc->sc_ioh, i);
- AM930_DELAY(5);
- }
- printf("am79c930: regdump:");
- for (i=0; i<8; i++) {
- printf(" %02x", buf[i]);
- }
- printf("\n");
-}
-#endif
-
-void am79c930_chip_init (sc, how)
- struct am79c930_softc *sc;
-{
- /* zero the bank select register, and leave it that way.. */
- bus_space_write_1(sc->sc_iot, sc->sc_ioh, AM79C930_BSS, 0);
- if (how)
- sc->sc_ops = &memspace_ops;
- else
- sc->sc_ops = &iospace_ops;
-}
-
-
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