New ed(4) device driver for Hydra and ASDG Zorro2 bus network cards.
This driver is based on the MI dp8390 backend.
This commit is contained in:
phx
parent
255c8c559e
commit
4468ae6d60
|
|
@ -1,4 +1,4 @@
|
|||
# $NetBSD: files.amiga,v 1.160 2012/07/11 17:13:31 rkujawa Exp $
|
||||
# $NetBSD: files.amiga,v 1.161 2012/10/14 13:36:07 phx Exp $
|
||||
|
||||
# maxpartitions must be first item in files.${ARCH}.newconf
|
||||
maxpartitions 16 # NOTE THAT AMIGA IS SPECIAL!
|
||||
|
|
@ -235,8 +235,8 @@ file arch/amiga/dev/if_ne_xsurf.c ne_xsurf needs-flag
|
|||
|
||||
# Hydra ethernet card
|
||||
device ed: ifnet, ether, arp
|
||||
attach ed at zbus with ed_zbus
|
||||
file arch/amiga/dev/if_ed.c ed_zbus needs-flag
|
||||
attach ed at zbus with ed_zbus: dp8390nic
|
||||
file arch/amiga/dev/if_ed_zbus.c ed_zbus needs-flag
|
||||
|
||||
# C=/Ameristar A2060 / 560
|
||||
attach bah at zbus with bah_zbus
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,330 @@
|
|||
/* $NetBSD: if_ed_zbus.c,v 1.1 2012/10/14 13:36:07 phx Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2012 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Frank Wille.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Device driver for the Hydra Systems and ASDG ethernet cards.
|
||||
* Based on the National Semiconductor DS8390/WD83C690.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: if_ed_zbus.c,v 1.1 2012/10/14 13:36:07 phx Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/device.h>
|
||||
#include <sys/bus.h>
|
||||
|
||||
#include <net/if.h>
|
||||
#include <net/if_media.h>
|
||||
#include <net/if_ether.h>
|
||||
|
||||
#include <dev/ic/dp8390reg.h>
|
||||
#include <dev/ic/dp8390var.h>
|
||||
|
||||
#include <amiga/amiga/device.h>
|
||||
#include <amiga/amiga/isr.h>
|
||||
#include <amiga/dev/zbusvar.h>
|
||||
|
||||
#define ETHER_PAD_LEN (ETHER_MIN_LEN - ETHER_CRC_LEN)
|
||||
|
||||
/* Hydra Systems AmigaNet */
|
||||
#define HYDRA_MANID 2121
|
||||
#define HYDRA_PRODID 1
|
||||
#define HYDRA_REGADDR 0xffe1
|
||||
#define HYDRA_MEMADDR 0
|
||||
#define HYDRA_PROMADDR 0xffc0
|
||||
|
||||
/* ASDG LANRover */
|
||||
#define ASDG_MANID 1023
|
||||
#define ASDG_PRODID 254
|
||||
#define ASDG_REGADDR 0x1
|
||||
#define ASDG_MEMADDR 0x8000
|
||||
#define ASDG_PROMADDR 0x100
|
||||
|
||||
/* Buffer size is always 16k */
|
||||
#define ED_ZBUS_MEMSIZE 0x4000
|
||||
|
||||
int ed_zbus_match(device_t, cfdata_t , void *);
|
||||
void ed_zbus_attach(device_t, device_t, void *);
|
||||
int ed_zbus_test_mem(struct dp8390_softc *);
|
||||
void ed_zbus_read_hdr(struct dp8390_softc *, int, struct dp8390_ring *);
|
||||
int ed_zbus_ring_copy(struct dp8390_softc *, int, void *, u_short);
|
||||
int ed_zbus_write_mbuf(struct dp8390_softc *, struct mbuf *, int);
|
||||
|
||||
struct ed_zbus_softc {
|
||||
struct dp8390_softc sc_dp8390;
|
||||
struct bus_space_tag sc_bst;
|
||||
struct isr sc_isr;
|
||||
};
|
||||
|
||||
CFATTACH_DECL_NEW(ed_zbus, sizeof(struct ed_zbus_softc),
|
||||
ed_zbus_match, ed_zbus_attach, NULL, NULL);
|
||||
|
||||
|
||||
int
|
||||
ed_zbus_match(device_t parent, cfdata_t cf, void *aux)
|
||||
{
|
||||
struct zbus_args *zap = aux;
|
||||
|
||||
if (zap->manid == HYDRA_MANID && zap->prodid == HYDRA_PRODID)
|
||||
return 1;
|
||||
else if (zap->manid == ASDG_MANID && zap->prodid == ASDG_PRODID)
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
ed_zbus_attach(device_t parent, device_t self, void *aux)
|
||||
{
|
||||
struct ed_zbus_softc *zsc = device_private(self);
|
||||
struct dp8390_softc *sc = &zsc->sc_dp8390;
|
||||
struct zbus_args *zap = aux;
|
||||
bus_space_handle_t promh;
|
||||
bus_addr_t memaddr, promaddr, regaddr;
|
||||
int i;
|
||||
|
||||
zsc->sc_bst.base = (bus_addr_t)zap->va;
|
||||
zsc->sc_bst.absm = &amiga_bus_stride_1;
|
||||
|
||||
if (zap->manid == HYDRA_MANID) {
|
||||
regaddr = HYDRA_REGADDR;
|
||||
memaddr = HYDRA_MEMADDR;
|
||||
promaddr = HYDRA_PROMADDR;
|
||||
} else {
|
||||
regaddr = ASDG_REGADDR;
|
||||
memaddr = ASDG_MEMADDR;
|
||||
promaddr = ASDG_PROMADDR;
|
||||
}
|
||||
|
||||
sc->sc_dev = self;
|
||||
sc->sc_regt = &zsc->sc_bst;
|
||||
sc->sc_buft = &zsc->sc_bst;
|
||||
|
||||
if (bus_space_map(sc->sc_regt, regaddr, 0x20, 0, &sc->sc_regh)) {
|
||||
aprint_error_dev(self, "can't map i/o space\n");
|
||||
return;
|
||||
}
|
||||
|
||||
if (bus_space_map(sc->sc_buft, memaddr, ED_ZBUS_MEMSIZE, 0,
|
||||
&sc->sc_bufh)) {
|
||||
aprint_error_dev(self, "can't map buffer space\n");
|
||||
return;
|
||||
}
|
||||
|
||||
/* SRAM buffer size is always 16K */
|
||||
sc->mem_start = 0;
|
||||
sc->mem_size = ED_ZBUS_MEMSIZE;
|
||||
|
||||
/*
|
||||
* Read the ethernet address from the PROM.
|
||||
* Interrupts must be inactive when reading the PROM, as the
|
||||
* interrupt line is shared with one of its address lines.
|
||||
*/
|
||||
|
||||
NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_IMR, 0x00);
|
||||
NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_ISR, 0xff);
|
||||
|
||||
if (bus_space_map(&zsc->sc_bst, promaddr, ETHER_ADDR_LEN * 2, 0,
|
||||
&promh) == 0) {
|
||||
for (i = 0; i < ETHER_ADDR_LEN; i++)
|
||||
sc->sc_enaddr[i] =
|
||||
bus_space_read_1(&zsc->sc_bst, promh, i * 2);
|
||||
|
||||
bus_space_unmap(&zsc->sc_bst, promh, ETHER_ADDR_LEN * 2);
|
||||
}
|
||||
|
||||
/* Initialize sc_reg_map[]. Registers have stride 2 on the bus. */
|
||||
for (i = 0; i < 16; i++)
|
||||
sc->sc_reg_map[i] = i << 1;
|
||||
|
||||
/*
|
||||
* Set 2 word FIFO threshold, no auto-init Remote DMA,
|
||||
* byte order 68k, word-wide DMA xfers.
|
||||
*/
|
||||
sc->dcr_reg = ED_DCR_FT0 | ED_DCR_WTS | ED_DCR_LS | ED_DCR_BOS;
|
||||
|
||||
/* Remote DMA abort .*/
|
||||
sc->cr_proto = ED_CR_RD2;
|
||||
|
||||
/*
|
||||
* Override all functions which deal with the buffer, because
|
||||
* this implementation only allows 16-bit buffer accesses.
|
||||
*/
|
||||
sc->test_mem = ed_zbus_test_mem;
|
||||
sc->read_hdr = ed_zbus_read_hdr;
|
||||
sc->ring_copy = ed_zbus_ring_copy;
|
||||
sc->write_mbuf = ed_zbus_write_mbuf;
|
||||
|
||||
sc->sc_flags = device_cfdata(self)->cf_flags;
|
||||
sc->is790 = 0;
|
||||
sc->sc_media_init = dp8390_media_init;
|
||||
sc->sc_enabled = 1;
|
||||
|
||||
/* Do generic DS8390/WD83C690 config. */
|
||||
if (dp8390_config(sc)) {
|
||||
bus_space_unmap(sc->sc_buft, sc->sc_bufh, ED_ZBUS_MEMSIZE);
|
||||
bus_space_unmap(sc->sc_regt, sc->sc_regh, 0x10);
|
||||
return;
|
||||
}
|
||||
|
||||
/* establish level 2 interrupt handler */
|
||||
zsc->sc_isr.isr_intr = dp8390_intr;
|
||||
zsc->sc_isr.isr_arg = sc;
|
||||
zsc->sc_isr.isr_ipl = 2;
|
||||
add_isr(&zsc->sc_isr);
|
||||
}
|
||||
|
||||
int
|
||||
ed_zbus_test_mem(struct dp8390_softc *sc)
|
||||
{
|
||||
bus_space_tag_t buft = sc->sc_buft;
|
||||
bus_space_handle_t bufh = sc->sc_bufh;
|
||||
int i;
|
||||
|
||||
bus_space_set_region_2(buft, bufh, sc->mem_start, 0, sc->mem_size >> 1);
|
||||
|
||||
for (i = 0; i < sc->mem_size >> 1; i += 2) {
|
||||
if (bus_space_read_2(sc->sc_buft, sc->sc_bufh, i)) {
|
||||
printf(": failed to clear NIC buffer at offset %x - "
|
||||
"check configuration\n", (sc->mem_start + i));
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
ed_zbus_read_hdr(struct dp8390_softc *sc, int src, struct dp8390_ring *hdrp)
|
||||
{
|
||||
bus_space_tag_t buft = sc->sc_buft;
|
||||
bus_space_handle_t bufh = sc->sc_bufh;
|
||||
uint16_t wrd;
|
||||
|
||||
/*
|
||||
* Read the 4-byte header as two 16-bit words in little-endian
|
||||
* format. Convert into big-endian and put them into hdrp.
|
||||
*/
|
||||
wrd = bus_space_read_2(buft, bufh, src);
|
||||
hdrp->rsr = wrd & 0xff;
|
||||
hdrp->next_packet = wrd >> 8;
|
||||
hdrp->count = bswap16(bus_space_read_2(buft, bufh, src + 2));
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy `amount' bytes from a packet in the ring buffer to a linear
|
||||
* destination buffer, given a source offset and destination address.
|
||||
* Takes into account ring-wrap.
|
||||
*/
|
||||
int
|
||||
ed_zbus_ring_copy(struct dp8390_softc *sc, int src, void *dst, u_short amount)
|
||||
{
|
||||
bus_space_tag_t buft = sc->sc_buft;
|
||||
bus_space_handle_t bufh = sc->sc_bufh;
|
||||
u_short tmp_amount;
|
||||
|
||||
/* Does copy wrap to lower addr in ring buffer? */
|
||||
if (src + amount > sc->mem_end) {
|
||||
tmp_amount = sc->mem_end - src;
|
||||
|
||||
/* Copy amount up to end of NIC memory. */
|
||||
bus_space_read_region_2(buft, bufh, src, dst, tmp_amount >> 1);
|
||||
|
||||
amount -= tmp_amount;
|
||||
src = sc->mem_ring;
|
||||
dst = (char *)dst + tmp_amount;
|
||||
}
|
||||
bus_space_read_region_2(buft, bufh, src, dst, amount >> 1);
|
||||
|
||||
return src + amount;
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy packet from mbuf to the board memory. Currently uses an extra
|
||||
* buffer/extra memory copy, unless the whole packet fits in one mbuf.
|
||||
* As in the test_mem function, we use word-wide writes.
|
||||
*/
|
||||
int
|
||||
ed_zbus_write_mbuf(struct dp8390_softc *sc, struct mbuf *m, int buf)
|
||||
{
|
||||
u_char *data, savebyte[2];
|
||||
int len, wantbyte;
|
||||
u_short totlen = 0;
|
||||
|
||||
wantbyte = 0;
|
||||
|
||||
for (; m ; m = m->m_next) {
|
||||
data = mtod(m, u_char *);
|
||||
len = m->m_len;
|
||||
totlen += len;
|
||||
if (len > 0) {
|
||||
/* Finish the last word. */
|
||||
if (wantbyte) {
|
||||
savebyte[1] = *data;
|
||||
bus_space_write_region_2(sc->sc_buft,
|
||||
sc->sc_bufh, buf, (u_int16_t *)savebyte, 1);
|
||||
buf += 2;
|
||||
data++;
|
||||
len--;
|
||||
wantbyte = 0;
|
||||
}
|
||||
/* Output contiguous words. */
|
||||
if (len > 1) {
|
||||
bus_space_write_region_2(
|
||||
sc->sc_buft, sc->sc_bufh,
|
||||
buf, (u_int16_t *)data, len >> 1);
|
||||
buf += len & ~1;
|
||||
data += len & ~1;
|
||||
len &= 1;
|
||||
}
|
||||
/* Save last byte, if necessary. */
|
||||
if (len == 1) {
|
||||
savebyte[0] = *data;
|
||||
wantbyte = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
len = ETHER_PAD_LEN - totlen;
|
||||
if (wantbyte) {
|
||||
savebyte[1] = 0;
|
||||
bus_space_write_region_2(sc->sc_buft, sc->sc_bufh,
|
||||
buf, (u_int16_t *)savebyte, 1);
|
||||
buf += 2;
|
||||
totlen++;
|
||||
len--;
|
||||
}
|
||||
/* if sent data is shorter than EHTER_PAD_LEN, put 0 to padding */
|
||||
if (len > 0) {
|
||||
bus_space_set_region_2(sc->sc_buft, sc->sc_bufh, buf, 0,
|
||||
len >> 1);
|
||||
totlen = ETHER_PAD_LEN;
|
||||
}
|
||||
return totlen;
|
||||
}
|
||||
|
|
@ -1,43 +0,0 @@
|
|||
/* $NetBSD: if_edreg.h,v 1.4 1995/05/08 02:40:54 chopps Exp $ */
|
||||
|
||||
/*
|
||||
* Vendor types
|
||||
*/
|
||||
#define ED_VENDOR_HYDRA 0x03 /* Hydra Systems */
|
||||
|
||||
/*
|
||||
* Compile-time config flags
|
||||
*/
|
||||
/*
|
||||
* This sets the default for enabling/disablng the tranceiver.
|
||||
*/
|
||||
#define ED_FLAGS_DISABLE_TRANCEIVER 0x0001
|
||||
|
||||
/*
|
||||
* This forces the board to be used in 8/16-bit mode even if it autoconfigs
|
||||
* differently.
|
||||
*/
|
||||
#define ED_FLAGS_FORCE_8BIT_MODE 0x0002
|
||||
#define ED_FLAGS_FORCE_16BIT_MODE 0x0004
|
||||
|
||||
/*
|
||||
* This disables the use of double transmit buffers.
|
||||
*/
|
||||
#define ED_FLAGS_NO_MULTI_BUFFERING 0x0008
|
||||
|
||||
/*
|
||||
* This forces all operations with the NIC memory to use Programmed I/O (i.e.
|
||||
* not via shared memory).
|
||||
*/
|
||||
#define ED_FLAGS_FORCE_PIO 0x0010
|
||||
|
||||
/*
|
||||
* Definitions for Hydra Systems boards
|
||||
*/
|
||||
#define HYDRA_ADDRPROM 0xffc0
|
||||
#define HYDRA_NIC_BASE 0xffe1
|
||||
/*
|
||||
* Definitions for ASDG LANRover boards
|
||||
*/
|
||||
#define ASDG_ADDRPROM 0xff
|
||||
#define ASDG_NIC_BASE 0x1
|
||||
Loading…
Reference in New Issue