[SCSI] 53c700: m68k MVME16x NCR53C710 SCSI (506c7bbc) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/scsi/Kconfig

+3 −3

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

	config 53C700_BE_BUS		config 53C700_BE_BUS
	bool		bool
	depends on BVME6000_SCSI		depends on MVME16x_SCSI \|\| BVME6000_SCSI
	default y		default y

	config SCSI_SYM53C8XX_2		config SCSI_SYM53C8XX_2
	@@ -1715,8 +1715,8 @@ config MVME147_SCSI
	single-board computer.		single-board computer.

	config MVME16x_SCSI		config MVME16x_SCSI
	bool "NCR53C710 SCSI driver for MVME16x"		tristate "NCR53C710 SCSI driver for MVME16x"
	depends on MVME16x && SCSI && BROKEN		depends on MVME16x && SCSI
	select SCSI_SPI_ATTRS		select SCSI_SPI_ATTRS
	help		help
	The Motorola MVME162, 166, 167, 172 and 177 boards use the NCR53C710		The Motorola MVME162, 166, 167, 172 and 177 boards use the NCR53C710

drivers/scsi/Makefile

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -52,6 +52,7 @@ obj-$(CONFIG_ATARI_SCSI) += atari_scsi.o
	obj-$(CONFIG_MAC_SCSI) += mac_scsi.o		obj-$(CONFIG_MAC_SCSI) += mac_scsi.o
	obj-$(CONFIG_SCSI_MAC_ESP) += mac_esp.o NCR53C9x.o		obj-$(CONFIG_SCSI_MAC_ESP) += mac_esp.o NCR53C9x.o
	obj-$(CONFIG_SUN3_SCSI) += sun3_scsi.o sun3_scsi_vme.o		obj-$(CONFIG_SUN3_SCSI) += sun3_scsi.o sun3_scsi_vme.o
			obj-$(CONFIG_MVME16x_SCSI) += 53c700.o mvme16x_scsi.o
	obj-$(CONFIG_BVME6000_SCSI) += 53c700.o bvme6000_scsi.o		obj-$(CONFIG_BVME6000_SCSI) += 53c700.o bvme6000_scsi.o
	obj-$(CONFIG_SCSI_SIM710) += 53c700.o sim710.o		obj-$(CONFIG_SCSI_SIM710) += 53c700.o sim710.o
	obj-$(CONFIG_SCSI_ADVANSYS) += advansys.o		obj-$(CONFIG_SCSI_ADVANSYS) += advansys.o

drivers/scsi/mvme16x_scsi.c

0 → 100644

+158 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* Detection routine for the NCR53c710 based MVME16x SCSI Controllers for Linux.
			*
			* Based on work by Alan Hourihane
			*
			* Rewritten to use 53c700.c by Kars de Jong <jongk@linux-m68k.org>
			*/

			#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/mvme16xhw.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("Kars de Jong <jongk@linux-m68k.org>");
			MODULE_DESCRIPTION("MVME16x NCR53C710 driver");
			MODULE_LICENSE("GPL");

			static struct scsi_host_template mvme16x_scsi_driver_template = {
			.name = "MVME16x NCR53c710 SCSI",
			.proc_name = "MVME16x",
			.this_id = 7,
			.module = THIS_MODULE,
			};

			static struct platform_device *mvme16x_scsi_device;

			static __devinit int
			mvme16x_probe(struct device *dev)
			{
			struct Scsi_Host * host = NULL;
			struct NCR_700_Host_Parameters *hostdata;

			if (!MACH_IS_MVME16x)
			goto out;

			if (mvme16x_config & MVME16x_CONFIG_NO_SCSICHIP) {
			printk(KERN_INFO "mvme16x-scsi: detection disabled, "
			"SCSI chip not present\n");
			goto out;
			}

			hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
			if (hostdata == NULL) {
			printk(KERN_ERR "mvme16x-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 *)0xfff47000UL;
			hostdata->clock = 50; /* 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(&mvme16x_scsi_driver_template, hostdata, dev);
			if (!host) {
			printk(KERN_ERR "mvme16x-scsi: No host detected; "
			"board configuration problem?\n");
			goto out_free;
			}
			host->this_id = 7;
			host->base = 0xfff47000UL;
			host->irq = MVME16x_IRQ_SCSI;
			if (request_irq(host->irq, NCR_700_intr, 0, "mvme16x-scsi", host)) {
			printk(KERN_ERR "mvme16x-scsi: request_irq failed\n");
			goto out_put_host;
			}

			/* Enable scsi chip ints */
			{
			volatile unsigned long v;

			/* Enable scsi interrupts at level 4 in PCCchip2 */
			v = in_be32(0xfff4202c);
			v = (v & ~0xff) \| 0x10 \| 4;
			out_be32(0xfff4202c, v);
			}

			scsi_scan_host(host);

			return 0;

			out_put_host:
			scsi_host_put(host);
			out_free:
			kfree(hostdata);
			out:
			return -ENODEV;
			}

			static __devexit int
			mvme16x_device_remove(struct device *dev)
			{
			struct Scsi_Host *host = dev_to_shost(dev);
			struct NCR_700_Host_Parameters *hostdata = shost_priv(host);

			/* Disable scsi chip ints */
			{
			volatile unsigned long v;

			v = in_be32(0xfff4202c);
			v &= ~0x10;
			out_be32(0xfff4202c, v);
			}
			scsi_remove_host(host);
			NCR_700_release(host);
			kfree(hostdata);
			free_irq(host->irq, host);

			return 0;
			}

			static struct device_driver mvme16x_scsi_driver = {
			.name = "mvme16x-scsi",
			.bus = &platform_bus_type,
			.probe = mvme16x_probe,
			.remove = __devexit_p(mvme16x_device_remove),
			};

			static int __init mvme16x_scsi_init(void)
			{
			int err;

			err = driver_register(&mvme16x_scsi_driver);
			if (err)
			return err;

			mvme16x_scsi_device = platform_device_register_simple("mvme16x-scsi",
			-1, NULL, 0);
			if (IS_ERR(mvme16x_scsi_device)) {
			driver_unregister(&mvme16x_scsi_driver);
			return PTR_ERR(mvme16x_scsi_device);
			}

			return 0;
			}

			static void __exit mvme16x_scsi_exit(void)
			{
			platform_device_unregister(mvme16x_scsi_device);
			driver_unregister(&mvme16x_scsi_driver);
			}

			module_init(mvme16x_scsi_init);
			module_exit(mvme16x_scsi_exit);