mirror of
https://github.com/torvalds/linux.git
synced 2024-12-14 23:25:54 +00:00
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/*
|
|
* Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux.
|
|
*
|
|
* Based on work by Alan Hourihane
|
|
*/
|
|
#include <linux/types.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/blkdev.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/zorro.h>
|
|
|
|
#include <asm/setup.h>
|
|
#include <asm/page.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/bvme6000hw.h>
|
|
#include <asm/irq.h>
|
|
|
|
#include "scsi.h"
|
|
#include <scsi/scsi_host.h>
|
|
#include "53c7xx.h"
|
|
#include "bvme6000.h"
|
|
|
|
#include<linux/stat.h>
|
|
|
|
|
|
int bvme6000_scsi_detect(struct scsi_host_template *tpnt)
|
|
{
|
|
static unsigned char called = 0;
|
|
int clock;
|
|
long long options;
|
|
|
|
if (called)
|
|
return 0;
|
|
if (!MACH_IS_BVME6000)
|
|
return 0;
|
|
|
|
tpnt->proc_name = "BVME6000";
|
|
|
|
options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT;
|
|
|
|
clock = 40000000; /* 66MHz SCSI Clock */
|
|
|
|
ncr53c7xx_init(tpnt, 0, 710, (unsigned long)BVME_NCR53C710_BASE,
|
|
0, BVME_IRQ_SCSI, DMA_NONE,
|
|
options, clock);
|
|
called = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int bvme6000_scsi_release(struct Scsi_Host *shost)
|
|
{
|
|
if (shost->irq)
|
|
free_irq(shost->irq, NULL);
|
|
if (shost->dma_channel != 0xff)
|
|
free_dma(shost->dma_channel);
|
|
if (shost->io_port && shost->n_io_port)
|
|
release_region(shost->io_port, shost->n_io_port);
|
|
scsi_unregister(shost);
|
|
return 0;
|
|
}
|
|
|
|
static struct scsi_host_template driver_template = {
|
|
.name = "BVME6000 NCR53c710 SCSI",
|
|
.detect = bvme6000_scsi_detect,
|
|
.release = bvme6000_scsi_release,
|
|
.queuecommand = NCR53c7xx_queue_command,
|
|
.abort = NCR53c7xx_abort,
|
|
.reset = NCR53c7xx_reset,
|
|
.can_queue = 24,
|
|
.this_id = 7,
|
|
.sg_tablesize = 63,
|
|
.cmd_per_lun = 3,
|
|
.use_clustering = DISABLE_CLUSTERING
|
|
};
|
|
|
|
|
|
#include "scsi_module.c"
|