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authorcvs2git <rtems-devel@rtems.org>2009-04-23 00:37:08 +0000
committercvs2git <rtems-devel@rtems.org>2009-04-23 00:37:08 +0000
commit3f43db5361c6869c470af596679de2f02c3befe1 (patch)
treec4d7b028770989e35fe0261ac65ad47c73021fb4 /bsd_eth_drivers/if_le/if_le_cbus.c
parenta97f93433011baea37857b07ca45b07b1eea04e5 (diff)
downloadlibbsdport-3f43db5361c6869c470af596679de2f02c3befe1.tar.bz2
This commit was manufactured by cvs2svn to create tag 'vers_20090214'.vers_20090214
Sprout from base 2009-04-23 00:37:07 UTC Till Straumann <strauman@slac.stanford.edu> ' - importing original version I had sent Joel on 20090214' Delete: bootstrap bsd_eth_drivers/Makefile bsd_eth_drivers/if_em/LICENSE bsd_eth_drivers/if_em/Makefile bsd_eth_drivers/if_em/README.rtems bsd_eth_drivers/if_em/freebsd_cvs_status bsd_eth_drivers/if_le/Makefile bsd_eth_drivers/if_le/README.rtems bsd_eth_drivers/if_le/am7990.c bsd_eth_drivers/if_le/if_le_cbus.c bsd_eth_drivers/if_le/if_le_isa.c bsd_eth_drivers/if_le/if_le_lebuffer.c bsd_eth_drivers/if_le/if_le_ledma.c bsd_eth_drivers/if_le/lebuffer_sbus.c bsd_eth_drivers/if_pcn/Makefile bsd_eth_drivers/if_pcn/README.rtems bsd_eth_drivers/if_re/Makefile.am bsd_eth_drivers/if_re/if_re.c bsd_eth_drivers/if_re/if_rlreg.h bsd_eth_drivers/libbsdport/Makefile bsd_eth_drivers/libbsdport/modini.c m4/acinclude.m4 m4/multilib-fix.m4 m4/multilib-installdir.m4 m4/rtems-bsp-postlink.m4 m4/rtems-isml.m4 m4/rtems-ismultibsp.m4 m4/rtems-multilib.m4
Diffstat (limited to 'bsd_eth_drivers/if_le/if_le_cbus.c')
-rw-r--r--bsd_eth_drivers/if_le/if_le_cbus.c451
1 files changed, 0 insertions, 451 deletions
diff --git a/bsd_eth_drivers/if_le/if_le_cbus.c b/bsd_eth_drivers/if_le/if_le_cbus.c
deleted file mode 100644
index 40d0e19..0000000
--- a/bsd_eth_drivers/if_le/if_le_cbus.c
+++ /dev/null
@@ -1,451 +0,0 @@
-/*-
- * Copyright (c) 1994-2000
- * Paul Richards. All rights reserved.
- *
- * PC-98 port by Chiharu Shibata & FreeBSD(98) porting team.
- *
- * 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,
- * verbatim and that no modifications are made prior to this
- * point in the file.
- * 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. The name Paul Richards may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``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 PAUL RICHARDS 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.
- *
- * from: FreeBSD: src/sys/dev/lnc/if_lnc_cbus.c,v 1.12 2005/11/12 19:14:21
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/le/if_le_cbus.c,v 1.5 2007/02/23 12:18:45 piso Exp $");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/bus.h>
-#include <sys/endian.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/module.h>
-#include <sys/mutex.h>
-#include <sys/resource.h>
-#include <sys/rman.h>
-#include <sys/socket.h>
-
-#include <net/ethernet.h>
-#include <net/if.h>
-#include <net/if_media.h>
-
-#include <machine/bus.h>
-#include <machine/resource.h>
-
-#include <isa/isavar.h>
-
-#include <dev/le/lancereg.h>
-#include <dev/le/lancevar.h>
-#include <dev/le/am7990var.h>
-
-#define LE_CBUS_MEMSIZE (16*1024)
-#define CNET98S_IOSIZE 32
-#define CNET98S_RDP 0x10
-#define CNET98S_RAP 0x12
-#define CNET98S_RESET 0x14
-#define CNET98S_BDP 0x16
-
-struct le_cbus_softc {
- struct am7990_softc sc_am7990; /* glue to MI code */
-
- int sc_rrid;
- struct resource *sc_rres;
- bus_space_tag_t sc_regt;
- bus_space_handle_t sc_regh;
-
- int sc_irid;
- struct resource *sc_ires;
- void *sc_ih;
-
- bus_dma_tag_t sc_pdmat;
- bus_dma_tag_t sc_dmat;
- bus_dmamap_t sc_dmam;
-};
-
-static device_probe_t le_cbus_probe;
-static device_attach_t le_cbus_attach;
-static device_detach_t le_cbus_detach;
-static device_resume_t le_cbus_resume;
-static device_suspend_t le_cbus_suspend;
-
-static device_method_t le_cbus_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, le_cbus_probe),
- DEVMETHOD(device_attach, le_cbus_attach),
- DEVMETHOD(device_detach, le_cbus_detach),
- /* We can just use the suspend method here. */
- DEVMETHOD(device_shutdown, le_cbus_suspend),
- DEVMETHOD(device_suspend, le_cbus_suspend),
- DEVMETHOD(device_resume, le_cbus_resume),
-
- { 0, 0 }
-};
-
-DEFINE_CLASS_0(le, le_cbus_driver, le_cbus_methods, sizeof(struct le_cbus_softc));
-DRIVER_MODULE(le, isa, le_cbus_driver, le_devclass, 0, 0);
-MODULE_DEPEND(le, ether, 1, 1, 1);
-
-static bus_addr_t le_ioaddr_cnet98s[CNET98S_IOSIZE] = {
- 0x000, 0x001, 0x002, 0x003, 0x004, 0x005, 0x006, 0x007,
- 0x008, 0x009, 0x00a, 0x00b, 0x00c, 0x00d, 0x00e, 0x00f,
- 0x400, 0x401, 0x402, 0x403, 0x404, 0x405, 0x406, 0x407,
- 0x408, 0x409, 0x40a, 0x40b, 0x40c, 0x40d, 0x40e, 0x40f,
-};
-
-static void le_cbus_wrbcr(struct lance_softc *, uint16_t, uint16_t);
-#ifdef LEDEBUG
-static uint16_t le_cbus_rdbcr(struct lance_softc *, uint16_t);
-#endif
-static void le_cbus_wrcsr(struct lance_softc *, uint16_t, uint16_t);
-static uint16_t le_cbus_rdcsr(struct lance_softc *, uint16_t);
-static void le_cbus_hwreset(struct lance_softc *);
-static bus_dmamap_callback_t le_cbus_dma_callback;
-
-static void
-le_cbus_wrbcr(struct lance_softc *sc, uint16_t port, uint16_t val)
-{
- struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc;
-
- bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, port);
- bus_space_barrier(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, 2,
- BUS_SPACE_BARRIER_WRITE);
- bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_BDP, val);
-}
-
-#ifdef LEDEBUG
-static uint16_t
-le_cbus_rdbcr(struct lance_softc *sc, uint16_t port)
-{
- struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc;
-
- bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, port);
- bus_space_barrier(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, 2,
- BUS_SPACE_BARRIER_WRITE);
- return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, CNET98S_BDP));
-}
-#endif
-
-static void
-le_cbus_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
-{
- struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc;
-
- bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, port);
- bus_space_barrier(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, 2,
- BUS_SPACE_BARRIER_WRITE);
- bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RDP, val);
-}
-
-static uint16_t
-le_cbus_rdcsr(struct lance_softc *sc, uint16_t port)
-{
- struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc;
-
- bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, port);
- bus_space_barrier(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, 2,
- BUS_SPACE_BARRIER_WRITE);
- return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RDP));
-}
-
-static void
-le_cbus_hwreset(struct lance_softc *sc)
-{
- struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc;
-
- /*
- * NB: These are Contec C-NET(98)S only.
- */
-
- /* Reset the chip. */
- bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RESET,
- bus_space_read_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RESET));
- DELAY(500);
-
- /* ISA bus configuration */
- /* ISACSR0 - set Master Mode Read Active time to 300ns. */
- le_cbus_wrbcr(sc, LE_BCR0, 0x0006);
- /* ISACSR1 - set Master Mode Write Active time to 300ns. */
- le_cbus_wrbcr(sc, LE_BCR1, 0x0006);
-#ifdef LEDEBUG
- device_printf(dev, "ISACSR2=0x%x\n", le_cbus_rdbcr(sc, LE_BCR2));
-#endif
- /* ISACSR5 - LED1 */
- le_cbus_wrbcr(sc, LE_BCR5, LE_B4_PSE | LE_B4_XMTE);
- /* ISACSR6 - LED2 */
- le_cbus_wrbcr(sc, LE_BCR6, LE_B4_PSE | LE_B4_RCVE);
- /* ISACSR7 - LED3 */
- le_cbus_wrbcr(sc, LE_BCR7, LE_B4_PSE | LE_B4_COLE);
-}
-
-static void
-le_cbus_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
-{
- struct lance_softc *sc = (struct lance_softc *)xsc;
-
- if (error != 0)
- return;
- KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__));
- sc->sc_addr = segs[0].ds_addr;
-}
-
-static int
-le_cbus_probe(device_t dev)
-{
- struct le_cbus_softc *lesc;
- struct lance_softc *sc;
- int error;
-
- /*
- * Skip PnP devices as some wedge when trying to probe them as
- * C-NET(98)S.
- */
- if (isa_get_vendorid(dev))
- return (ENXIO);
-
- lesc = device_get_softc(dev);
- sc = &lesc->sc_am7990.lsc;
-
- lesc->sc_rrid = 0;
- lesc->sc_rres = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &lesc->sc_rrid,
- le_ioaddr_cnet98s, CNET98S_IOSIZE, RF_ACTIVE);
- if (lesc->sc_rres == NULL)
- return (ENXIO);
- isa_load_resourcev(lesc->sc_rres, le_ioaddr_cnet98s, CNET98S_IOSIZE);
- lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
- lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
-
- /* Reset the chip. */
- bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RESET,
- bus_space_read_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RESET));
- DELAY(500);
-
- /* Stop the chip and put it in a known state. */
- le_cbus_wrcsr(sc, LE_CSR0, LE_C0_STOP);
- DELAY(100);
- if (le_cbus_rdcsr(sc, LE_CSR0) != LE_C0_STOP) {
- error = ENXIO;
- goto fail;
- }
- le_cbus_wrcsr(sc, LE_CSR3, 0);
- device_set_desc(dev, "C-NET(98)S");
- error = BUS_PROBE_DEFAULT;
-
- fail:
- bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
- return (error);
-}
-
-static int
-le_cbus_attach(device_t dev)
-{
- struct le_cbus_softc *lesc;
- struct lance_softc *sc;
- int error, i;
-
- lesc = device_get_softc(dev);
- sc = &lesc->sc_am7990.lsc;
-
- LE_LOCK_INIT(sc, device_get_nameunit(dev));
-
- lesc->sc_rrid = 0;
- lesc->sc_rres = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &lesc->sc_rrid,
- le_ioaddr_cnet98s, CNET98S_IOSIZE, RF_ACTIVE);
- if (lesc->sc_rres == NULL) {
- device_printf(dev, "cannot allocate registers\n");
- error = ENXIO;
- goto fail_mtx;
- }
- isa_load_resourcev(lesc->sc_rres, le_ioaddr_cnet98s, CNET98S_IOSIZE);
- lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
- lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
-
- lesc->sc_irid = 0;
- if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
- &lesc->sc_irid, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
- device_printf(dev, "cannot allocate interrupt\n");
- error = ENXIO;
- goto fail_rres;
- }
-
- error = bus_dma_tag_create(
- bus_get_dma_tag(dev), /* parent */
- 1, 0, /* alignment, boundary */
- BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
- BUS_SPACE_MAXADDR, /* highaddr */
- NULL, NULL, /* filter, filterarg */
- BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
- 0, /* nsegments */
- BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
- 0, /* flags */
- NULL, NULL, /* lockfunc, lockarg */
- &lesc->sc_pdmat);
- if (error != 0) {
- device_printf(dev, "cannot allocate parent DMA tag\n");
- goto fail_ires;
- }
-
- sc->sc_memsize = LE_CBUS_MEMSIZE;
- /*
- * For Am79C90, Am79C961 and Am79C961A the init block must be 2-byte
- * aligned and the ring descriptors must be 8-byte aligned.
- */
- error = bus_dma_tag_create(
- lesc->sc_pdmat, /* parent */
- 8, 0, /* alignment, boundary */
- BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
- BUS_SPACE_MAXADDR, /* highaddr */
- NULL, NULL, /* filter, filterarg */
- sc->sc_memsize, /* maxsize */
- 1, /* nsegments */
- sc->sc_memsize, /* maxsegsize */
- 0, /* flags */
- NULL, NULL, /* lockfunc, lockarg */
- &lesc->sc_dmat);
- if (error != 0) {
- device_printf(dev, "cannot allocate buffer DMA tag\n");
- goto fail_pdtag;
- }
-
- error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
- BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
- if (error != 0) {
- device_printf(dev, "cannot allocate DMA buffer memory\n");
- goto fail_dtag;
- }
-
- sc->sc_addr = 0;
- error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
- sc->sc_memsize, le_cbus_dma_callback, sc, 0);
- if (error != 0 || sc->sc_addr == 0) {
- device_printf(dev, "cannot load DMA buffer map\n");
- goto fail_dmem;
- }
-
- sc->sc_flags = 0;
- sc->sc_conf3 = 0;
-
- /*
- * Extract the physical MAC address from the ROM.
- */
- for (i = 0; i < sizeof(sc->sc_enaddr); i++)
- sc->sc_enaddr[i] = bus_space_read_1(lesc->sc_regt,
- lesc->sc_regh, i * 2);
-
- sc->sc_copytodesc = lance_copytobuf_contig;
- sc->sc_copyfromdesc = lance_copyfrombuf_contig;
- sc->sc_copytobuf = lance_copytobuf_contig;
- sc->sc_copyfrombuf = lance_copyfrombuf_contig;
- sc->sc_zerobuf = lance_zerobuf_contig;
-
- sc->sc_rdcsr = le_cbus_rdcsr;
- sc->sc_wrcsr = le_cbus_wrcsr;
- sc->sc_hwreset = le_cbus_hwreset;
- sc->sc_hwinit = NULL;
- sc->sc_hwintr = NULL;
- sc->sc_nocarrier = NULL;
- sc->sc_mediachange = NULL;
- sc->sc_mediastatus = NULL;
- sc->sc_supmedia = NULL;
-
- error = am7990_config(&lesc->sc_am7990, device_get_name(dev),
- device_get_unit(dev));
- if (error != 0) {
- device_printf(dev, "cannot attach Am7990\n");
- goto fail_dmap;
- }
-
- error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE,
- NULL, am7990_intr, sc, &lesc->sc_ih);
- if (error != 0) {
- device_printf(dev, "cannot set up interrupt\n");
- goto fail_am7990;
- }
-
- return (0);
-
- fail_am7990:
- am7990_detach(&lesc->sc_am7990);
- fail_dmap:
- bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
- fail_dmem:
- bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
- fail_dtag:
- bus_dma_tag_destroy(lesc->sc_dmat);
- fail_pdtag:
- bus_dma_tag_destroy(lesc->sc_pdmat);
- fail_ires:
- bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
- fail_rres:
- bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
- fail_mtx:
- LE_LOCK_DESTROY(sc);
- return (error);
-}
-
-static int
-le_cbus_detach(device_t dev)
-{
- struct le_cbus_softc *lesc;
- struct lance_softc *sc;
-
- lesc = device_get_softc(dev);
- sc = &lesc->sc_am7990.lsc;
-
- bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
- am7990_detach(&lesc->sc_am7990);
- bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
- bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
- bus_dma_tag_destroy(lesc->sc_dmat);
- bus_dma_tag_destroy(lesc->sc_pdmat);
- bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
- bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
- LE_LOCK_DESTROY(sc);
-
- return (0);
-}
-
-static int
-le_cbus_suspend(device_t dev)
-{
- struct le_cbus_softc *lesc;
-
- lesc = device_get_softc(dev);
-
- lance_suspend(&lesc->sc_am7990.lsc);
-
- return (0);
-}
-
-static int
-le_cbus_resume(device_t dev)
-{
- struct le_cbus_softc *lesc;
-
- lesc = device_get_softc(dev);
-
- lance_resume(&lesc->sc_am7990.lsc);
-
- return (0);
-}