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Commit 8276b58a authored by Kars de Jong's avatar Kars de Jong Committed by James Bottomley
Browse files

[SCSI] 53c700: m68k BVME6000 NCR53C710 SCSI 



New driver for the BVME6000 NCR53C710 SCSI controller, using the 53c700 SCSI
core.

Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 63273134

drivers/scsi/Kconfig

+3 −3
Original line number Diff line number Diff line
@@ -1008,7 +1008,7 @@ config SCSI_STEX 


config 53C700_BE_BUS

	bool

	depends on M68K

	depends on BVME6000_SCSI

	default y



config SCSI_SYM53C8XX_2
@@ -1724,8 +1724,8 @@ config MVME16x_SCSI 
	  will want to say Y to this question.



config BVME6000_SCSI

	bool "NCR53C710 SCSI driver for BVME6000"

	depends on BVME6000 && SCSI && BROKEN

	tristate "NCR53C710 SCSI driver for BVME6000"

	depends on BVME6000 && SCSI

	select SCSI_SPI_ATTRS

	help

	  The BVME4000 and BVME6000 boards from BVM Ltd use the NCR53C710

drivers/scsi/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ obj-$(CONFIG_ATARI_SCSI) += atari_scsi.o 
obj-$(CONFIG_MAC_SCSI)		+= mac_scsi.o

obj-$(CONFIG_SCSI_MAC_ESP)	+= mac_esp.o	NCR53C9x.o

obj-$(CONFIG_SUN3_SCSI)		+= sun3_scsi.o  sun3_scsi_vme.o

obj-$(CONFIG_BVME6000_SCSI)	+= 53c700.o	bvme6000_scsi.o

obj-$(CONFIG_SCSI_SIM710)	+= 53c700.o	sim710.o

obj-$(CONFIG_SCSI_ADVANSYS)	+= advansys.o

obj-$(CONFIG_SCSI_PSI240I)	+= psi240i.o

drivers/scsi/bvme6000_scsi.c

0 → 100644
+135 −0
Original line number Diff line number Diff line 
/*

 * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux.

 *

 * Based on work by Alan Hourihane and Kars de Jong

 *

 * Rewritten to use 53c700.c by Richard Hirst <richard@sleepie.demon.co.uk>

 */



#include <linux/module.h>

#include <linux/blkdev.h>

#include <linux/device.h>

#include <linux/platform_device.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <asm/bvme6000hw.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("Richard Hirst <richard@sleepie.demon.co.uk>");

MODULE_DESCRIPTION("BVME6000 NCR53C710 driver");

MODULE_LICENSE("GPL");



static struct scsi_host_template bvme6000_scsi_driver_template = {

	.name			= "BVME6000 NCR53c710 SCSI",

	.proc_name		= "BVME6000",

	.this_id		= 7,

	.module			= THIS_MODULE,

};



static struct platform_device *bvme6000_scsi_device;



static __devinit int

bvme6000_probe(struct device *dev)

{

	struct Scsi_Host * host = NULL;

	struct NCR_700_Host_Parameters *hostdata;



	if (!MACH_IS_BVME6000)

		goto out;



	hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);

	if (hostdata == NULL) {

		printk(KERN_ERR "bvme6000-scsi: "

				"Failed to allocate host data\n");

		goto out;

	}

	memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));



	/* Fill in the required pieces of hostdata */

	hostdata->base = (void __iomem *)BVME_NCR53C710_BASE;

	hostdata->clock = 40;	/* XXX - depends on the CPU clock! */

	hostdata->chip710 = 1;

	hostdata->dmode_extra = DMODE_FC2;

	hostdata->dcntl_extra = EA_710;

	hostdata->ctest7_extra = CTEST7_TT1;



	/* and register the chip */

	host = NCR_700_detect(&bvme6000_scsi_driver_template, hostdata, dev);

	if (!host) {

		printk(KERN_ERR "bvme6000-scsi: No host detected; "

				"board configuration problem?\n");

		goto out_free;

	}

	host->base = BVME_NCR53C710_BASE;

	host->this_id = 7;

	host->irq = BVME_IRQ_SCSI;

	if (request_irq(BVME_IRQ_SCSI, NCR_700_intr, 0, "bvme6000-scsi",

			host)) {

		printk(KERN_ERR "bvme6000-scsi: request_irq failed\n");

		goto out_put_host;

	}



	scsi_scan_host(host);



	return 0;



 out_put_host:

	scsi_host_put(host);

 out_free:

	kfree(hostdata);

 out:

	return -ENODEV;

}



static __devexit int

bvme6000_device_remove(struct device *dev)

{

	struct Scsi_Host *host = dev_to_shost(dev);

	struct NCR_700_Host_Parameters *hostdata = shost_priv(host);



	scsi_remove_host(host);

	NCR_700_release(host);

	kfree(hostdata);

	free_irq(host->irq, host);



	return 0;

}



static struct device_driver bvme6000_scsi_driver = {

	.name	= "bvme6000-scsi",

	.bus	= &platform_bus_type,

	.probe	= bvme6000_probe,

	.remove	= __devexit_p(bvme6000_device_remove),

};



static int __init bvme6000_scsi_init(void)

{

	int err;



	err = driver_register(&bvme6000_scsi_driver);

	if (err) {

		return err;



	bvme6000_scsi_device = platform_device_register_simple("bvme6000-scsi",

							       -1, NULL, 0);

	if (IS_ERR(bvme6000_scsi_device)) {

		driver_unregister(&bvme6000_scsi_driver);

		return PTR_ERR(bvme6000_scsi_device);

	}



	return 0;

}



static void __exit bvme6000_scsi_exit(void)

{

	platform_device_unregister(bvme6000_scsi_device);

	driver_unregister(&bvme6000_scsi_driver);

}



module_init(bvme6000_scsi_init);

module_exit(bvme6000_scsi_exit);