[SCSI] SNI RM 53c710 driver
This patch adds a SCSI driver for the onboard 53c710 chip of some SNI RM machines. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
parent
3b1ca5a12c
commit
c27d85f3f3
|
@ -973,6 +973,15 @@ config SCSI_LASI700
|
|||
many PA-RISC workstations & servers. If you do not know whether you
|
||||
have a Lasi chip, it is safe to say "Y" here.
|
||||
|
||||
config SCSI_SNI_53C710
|
||||
tristate "SNI RM SCSI support for 53c710"
|
||||
depends on SNI_RM && SCSI
|
||||
select SCSI_SPI_ATTRS
|
||||
select 53C700_LE_ON_BE
|
||||
help
|
||||
This is a driver for the onboard SCSI controller found in older
|
||||
SNI RM workstations & servers.
|
||||
|
||||
config 53C700_LE_ON_BE
|
||||
bool
|
||||
depends on SCSI_LASI700
|
||||
|
|
|
@ -124,6 +124,7 @@ obj-$(CONFIG_JAZZ_ESP) += NCR53C9x.o jazz_esp.o
|
|||
obj-$(CONFIG_SUN3X_ESP) += NCR53C9x.o sun3x_esp.o
|
||||
obj-$(CONFIG_SCSI_FCAL) += fcal.o
|
||||
obj-$(CONFIG_SCSI_LASI700) += 53c700.o lasi700.o
|
||||
obj-$(CONFIG_SCSI_SNI_53C710) += 53c700.o sni_53c710.o
|
||||
obj-$(CONFIG_SCSI_NSP32) += nsp32.o
|
||||
obj-$(CONFIG_SCSI_IPR) += ipr.o
|
||||
obj-$(CONFIG_SCSI_SRP) += libsrp.o
|
||||
|
|
159
drivers/scsi/sni_53c710.c
Normal file
159
drivers/scsi/sni_53c710.c
Normal file
|
@ -0,0 +1,159 @@
|
|||
/* -*- mode: c; c-basic-offset: 8 -*- */
|
||||
|
||||
/* SNI RM driver
|
||||
*
|
||||
* Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
|
||||
**-----------------------------------------------------------------------------
|
||||
**
|
||||
** This program is free software; you can redistribute it and/or modify
|
||||
** it under the terms of the GNU General Public License as published by
|
||||
** the Free Software Foundation; either version 2 of the License, or
|
||||
** (at your option) any later version.
|
||||
**
|
||||
** This program is distributed in the hope that it will be useful,
|
||||
** but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
** GNU General Public License for more details.
|
||||
**
|
||||
** You should have received a copy of the GNU General Public License
|
||||
** along with this program; if not, write to the Free Software
|
||||
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
**
|
||||
**-----------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/*
|
||||
* Based on lasi700.c
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/stat.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/blkdev.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/platform_device.h>
|
||||
|
||||
#include <asm/page.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/delay.h>
|
||||
|
||||
#include <scsi/scsi_host.h>
|
||||
#include <scsi/scsi_device.h>
|
||||
#include <scsi/scsi_transport.h>
|
||||
#include <scsi/scsi_transport_spi.h>
|
||||
|
||||
#include "53c700.h"
|
||||
|
||||
MODULE_AUTHOR("Thomas Bogendörfer");
|
||||
MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
#define SNIRM710_CLOCK 32
|
||||
|
||||
static struct scsi_host_template snirm710_template = {
|
||||
.name = "SNI RM SCSI 53c710",
|
||||
.proc_name = "snirm_53c710",
|
||||
.this_id = 7,
|
||||
.module = THIS_MODULE,
|
||||
};
|
||||
|
||||
static int __init snirm710_probe(struct platform_device *dev)
|
||||
{
|
||||
unsigned long base;
|
||||
struct NCR_700_Host_Parameters *hostdata;
|
||||
struct Scsi_Host *host;
|
||||
struct resource *res;
|
||||
|
||||
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
|
||||
if (!res)
|
||||
return -ENODEV;
|
||||
|
||||
base = res->start;
|
||||
hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
|
||||
if (!hostdata) {
|
||||
printk(KERN_ERR "%s: Failed to allocate host data\n",
|
||||
dev->dev.bus_id);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
hostdata->dev = &dev->dev;
|
||||
dma_set_mask(&dev->dev, DMA_32BIT_MASK);
|
||||
hostdata->base = ioremap_nocache(CPHYSADDR(base), 0x100);
|
||||
hostdata->differential = 0;
|
||||
|
||||
hostdata->clock = SNIRM710_CLOCK;
|
||||
hostdata->force_le_on_be = 1;
|
||||
hostdata->chip710 = 1;
|
||||
hostdata->burst_length = 4;
|
||||
|
||||
host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
|
||||
if (!host)
|
||||
goto out_kfree;
|
||||
host->this_id = 7;
|
||||
host->base = base;
|
||||
host->irq = platform_get_irq(dev, 0);
|
||||
if(request_irq(host->irq, NCR_700_intr, SA_SHIRQ, "snirm710", host)) {
|
||||
printk(KERN_ERR "snirm710: request_irq failed!\n");
|
||||
goto out_put_host;
|
||||
}
|
||||
|
||||
dev_set_drvdata(&dev->dev, host);
|
||||
scsi_scan_host(host);
|
||||
|
||||
return 0;
|
||||
|
||||
out_put_host:
|
||||
scsi_host_put(host);
|
||||
out_kfree:
|
||||
iounmap(hostdata->base);
|
||||
kfree(hostdata);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static int __exit snirm710_driver_remove(struct platform_device *dev)
|
||||
{
|
||||
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
|
||||
struct NCR_700_Host_Parameters *hostdata =
|
||||
(struct NCR_700_Host_Parameters *)host->hostdata[0];
|
||||
|
||||
scsi_remove_host(host);
|
||||
NCR_700_release(host);
|
||||
free_irq(host->irq, host);
|
||||
iounmap(hostdata->base);
|
||||
kfree(hostdata);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver snirm710_driver = {
|
||||
.probe = snirm710_probe,
|
||||
.remove = __devexit_p(snirm710_driver_remove),
|
||||
.driver = {
|
||||
.name = "snirm_53c710",
|
||||
},
|
||||
};
|
||||
|
||||
static int __init snirm710_init(void)
|
||||
{
|
||||
int err;
|
||||
|
||||
if ((err = platform_driver_register(&snirm710_driver))) {
|
||||
printk(KERN_ERR "Driver registration failed\n");
|
||||
return err;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __exit snirm710_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&snirm710_driver);
|
||||
}
|
||||
|
||||
module_init(snirm710_init);
|
||||
module_exit(snirm710_exit);
|
Loading…
Reference in a new issue