162 lines
4.7 KiB
C
162 lines
4.7 KiB
C
/* $NetBSD: netslot.c,v 1.1 2001/07/02 23:18:36 bjh21 Exp $ */
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/*
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* Copyright (c) 1994-1996 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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__KERNEL_RCSID(1, "$Id: netslot.c,v 1.1 2001/07/02 23:18:36 bjh21 Exp $");
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/conf.h>
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#include <sys/malloc.h>
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#include <sys/device.h>
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#include <uvm/uvm_extern.h>
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#include <machine/io.h>
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#include <machine/katelib.h>
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#include <machine/irqhandler.h>
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#include <machine/bootconfig.h>
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#include <machine/pte.h>
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#include <machine/pmap.h>
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#include <arm32/iomd/iomdreg.h>
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#include <arm32/iomd/iomdvar.h>
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#include <dev/podulebus/podulebus.h>
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#include <dev/podulebus/podules.h>
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u_int netslotread __P((u_int, int));
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u_int
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netslotread(address, offset)
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u_int address;
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int offset;
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{
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static int netslotoffset = -1;
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offset = offset >> 2;
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if (netslotoffset == -1 || offset < netslotoffset) {
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WriteByte(address, 0);
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netslotoffset = 0;
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}
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while (netslotoffset < offset) {
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(void)ReadByte(address);
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++netslotoffset;
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}
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++netslotoffset;
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return(ReadByte(address));
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}
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void
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netslotscan(dev)
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struct device *dev;
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{
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podule_t *podule;
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volatile u_char *address;
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/* Only one netslot atm */
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/* Reset the address counter */
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WriteByte(NETSLOT_BASE, 0x00);
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address = (u_char *)NETSLOT_BASE;
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podule = &podules[MAX_PODULES];
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podule->fast_base = NETSLOT_BASE;
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podule->medium_base = NETSLOT_BASE;
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podule->slow_base = NETSLOT_BASE;
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podule->sync_base = NETSLOT_BASE;
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podule->mod_base = NETSLOT_BASE;
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podule->easi_base = 0;
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podule->attached = 0;
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podule->slottype = SLOT_NONE;
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podule->podulenum = MAX_PODULES;
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podule->interrupt = IRQ_NETSLOT;
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podule->read_rom = netslotread;
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podule->dma_channel = -1;
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podule->dma_interrupt = -1;
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podule->description[0] = 0;
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/* XXX - Really needs to be linked to a DMA manager */
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if (IOMD_ID == RPC600_IOMD_ID)
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podule->dma_channel = 0;
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/* Get information from the podule header */
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podule->flags0 = *address;
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podule->flags1 = *address;
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podule->reserved = *address;
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podule->product = *address;
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podule->product += (*address << 8);
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podule->manufacturer = *address;
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podule->manufacturer += (*address << 8);
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podule->country = *address;
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if (podule->flags1 & PODULE_FLAGS_IS) {
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podule->irq_mask = *address;
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podule->irq_addr = *address;
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podule->irq_addr += (*address << 8);
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podule->irq_addr += (*address << 16);
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podule->irq_addr += podule->slow_base;
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if (podule->irq_mask == 0)
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podule->irq_mask = 0x01;
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podule->fiq_mask = *address;
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podule->fiq_addr = *address;
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podule->fiq_addr += (*address << 8);
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podule->fiq_addr += (*address << 16);
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podule->fiq_addr += podule->slow_base;
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if (podule->fiq_mask == 0)
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podule->fiq_mask = 0x04;
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} else {
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podule->irq_addr = podule->slow_base;
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podule->irq_mask = 0x01;
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podule->fiq_addr = podule->slow_base;
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podule->fiq_mask = 0x04;
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}
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poduleexamine(podule, dev, SLOT_NET);
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}
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void
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netslot_ea(buffer)
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u_int8_t *buffer;
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{
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/* Build station address from machine ID */
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buffer[0] = 0x00;
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buffer[1] = 0x00;
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buffer[2] = 0xa4;
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buffer[3] = bootconfig.machine_id[2] + 0x10;
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buffer[4] = bootconfig.machine_id[1];
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buffer[5] = bootconfig.machine_id[0];
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}
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