forked from Minki/linux
scsi: remove NCR_Q720 driver
The NCR QUAD 720 SCSI driver depends on microchannel support, but
microchannel support was removed from the kernel with commit bb8187d35f
("MCA: delete all remaining traces of microchannel bus support.") over 6
years ago.
So zap the Q720 SCSI driver as well.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Acked-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Johannes Thumshirn
Martin K. Petersen
parent
54e45716a8
commit
af8a6722fa
@ -989,21 +989,9 @@ config SCSI_ZALON
|
||||
used on the add-in Bluefish, Barracuda & Shrike SCSI cards.
|
||||
Say Y here if you have one of these machines or cards.
|
||||
|
||||
config SCSI_NCR_Q720
|
||||
tristate "NCR Quad 720 MCA SCSI support"
|
||||
depends on MCA && SCSI
|
||||
select SCSI_SPI_ATTRS
|
||||
help
|
||||
This is a driver for the MicroChannel Quad 720 card produced by
|
||||
NCR and commonly used in 345x/35xx/4100 class machines. It always
|
||||
tries to negotiate sync and uses tag command queueing.
|
||||
|
||||
Unless you have an NCR manufactured machine, the chances are that
|
||||
you do not have this SCSI card, so say N.
|
||||
|
||||
config SCSI_NCR53C8XX_DEFAULT_TAGS
|
||||
int "default tagged command queue depth"
|
||||
depends on SCSI_ZALON || SCSI_NCR_Q720
|
||||
depends on SCSI_ZALON
|
||||
default "8"
|
||||
---help---
|
||||
"Tagged command queuing" is a feature of SCSI-2 which improves
|
||||
@ -1029,7 +1017,7 @@ config SCSI_NCR53C8XX_DEFAULT_TAGS
|
||||
|
||||
config SCSI_NCR53C8XX_MAX_TAGS
|
||||
int "maximum number of queued commands"
|
||||
depends on SCSI_ZALON || SCSI_NCR_Q720
|
||||
depends on SCSI_ZALON
|
||||
default "32"
|
||||
---help---
|
||||
This option allows you to specify the maximum number of commands
|
||||
@ -1046,7 +1034,7 @@ config SCSI_NCR53C8XX_MAX_TAGS
|
||||
|
||||
config SCSI_NCR53C8XX_SYNC
|
||||
int "synchronous transfers frequency in MHz"
|
||||
depends on SCSI_ZALON || SCSI_NCR_Q720
|
||||
depends on SCSI_ZALON
|
||||
default "20"
|
||||
---help---
|
||||
The SCSI Parallel Interface-2 Standard defines 5 classes of transfer
|
||||
@ -1080,7 +1068,7 @@ config SCSI_NCR53C8XX_SYNC
|
||||
|
||||
config SCSI_NCR53C8XX_NO_DISCONNECT
|
||||
bool "not allow targets to disconnect"
|
||||
depends on (SCSI_ZALON || SCSI_NCR_Q720) && SCSI_NCR53C8XX_DEFAULT_TAGS=0
|
||||
depends on SCSI_ZALON && SCSI_NCR53C8XX_DEFAULT_TAGS=0
|
||||
help
|
||||
This option is only provided for safety if you suspect some SCSI
|
||||
device of yours to not support properly the target-disconnect
|
||||
|
||||
@ -76,7 +76,6 @@ obj-$(CONFIG_SCSI_PM8001) += pm8001/
|
||||
obj-$(CONFIG_SCSI_ISCI) += isci/
|
||||
obj-$(CONFIG_SCSI_IPS) += ips.o
|
||||
obj-$(CONFIG_SCSI_GENERIC_NCR5380) += g_NCR5380.o
|
||||
obj-$(CONFIG_SCSI_NCR_Q720) += NCR_Q720_mod.o
|
||||
obj-$(CONFIG_SCSI_QLOGIC_FAS) += qlogicfas408.o qlogicfas.o
|
||||
obj-$(CONFIG_PCMCIA_QLOGIC) += qlogicfas408.o
|
||||
obj-$(CONFIG_SCSI_QLOGIC_1280) += qla1280.o
|
||||
@ -179,7 +178,6 @@ ncr53c8xx-flags-$(CONFIG_SCSI_ZALON) \
|
||||
-DCONFIG_SCSI_NCR53C8XX_NO_WORD_TRANSFERS
|
||||
CFLAGS_ncr53c8xx.o := $(ncr53c8xx-flags-y) $(ncr53c8xx-flags-m)
|
||||
zalon7xx-objs := zalon.o ncr53c8xx.o
|
||||
NCR_Q720_mod-objs := NCR_Q720.o ncr53c8xx.o
|
||||
|
||||
# Files generated that shall be removed upon make clean
|
||||
clean-files := 53c700_d.h 53c700_u.h scsi_devinfo_tbl.c
|
||||
|
||||
@ -1,376 +0,0 @@
|
||||
/* -*- mode: c; c-basic-offset: 8 -*- */
|
||||
|
||||
/* NCR Quad 720 MCA SCSI Driver
|
||||
*
|
||||
* Copyright (C) 2003 by James.Bottomley@HansenPartnership.com
|
||||
*/
|
||||
|
||||
#include <linux/blkdev.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/mca.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/delay.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
#include "scsi.h"
|
||||
#include <scsi/scsi_host.h>
|
||||
|
||||
#include "ncr53c8xx.h"
|
||||
|
||||
#include "NCR_Q720.h"
|
||||
|
||||
static struct ncr_chip q720_chip __initdata = {
|
||||
.revision_id = 0x0f,
|
||||
.burst_max = 3,
|
||||
.offset_max = 8,
|
||||
.nr_divisor = 4,
|
||||
.features = FE_WIDE | FE_DIFF | FE_VARCLK,
|
||||
};
|
||||
|
||||
MODULE_AUTHOR("James Bottomley");
|
||||
MODULE_DESCRIPTION("NCR Quad 720 SCSI Driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
#define NCR_Q720_VERSION "0.9"
|
||||
|
||||
/* We needs this helper because we have up to four hosts per struct device */
|
||||
struct NCR_Q720_private {
|
||||
struct device *dev;
|
||||
void __iomem * mem_base;
|
||||
__u32 phys_mem_base;
|
||||
__u32 mem_size;
|
||||
__u8 irq;
|
||||
__u8 siops;
|
||||
__u8 irq_enable;
|
||||
struct Scsi_Host *hosts[4];
|
||||
};
|
||||
|
||||
static struct scsi_host_template NCR_Q720_tpnt = {
|
||||
.module = THIS_MODULE,
|
||||
.proc_name = "NCR_Q720",
|
||||
};
|
||||
|
||||
static irqreturn_t
|
||||
NCR_Q720_intr(int irq, void *data)
|
||||
{
|
||||
struct NCR_Q720_private *p = (struct NCR_Q720_private *)data;
|
||||
__u8 sir = (readb(p->mem_base + 0x0d) & 0xf0) >> 4;
|
||||
__u8 siop;
|
||||
|
||||
sir |= ~p->irq_enable;
|
||||
|
||||
if(sir == 0xff)
|
||||
return IRQ_NONE;
|
||||
|
||||
|
||||
while((siop = ffz(sir)) < p->siops) {
|
||||
sir |= 1<<siop;
|
||||
ncr53c8xx_intr(irq, p->hosts[siop]);
|
||||
}
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int __init
|
||||
NCR_Q720_probe_one(struct NCR_Q720_private *p, int siop,
|
||||
int irq, int slot, __u32 paddr, void __iomem *vaddr)
|
||||
{
|
||||
struct ncr_device device;
|
||||
__u8 scsi_id;
|
||||
static int unit = 0;
|
||||
__u8 scsr1 = readb(vaddr + NCR_Q720_SCSR_OFFSET + 1);
|
||||
__u8 differential = readb(vaddr + NCR_Q720_SCSR_OFFSET) & 0x20;
|
||||
__u8 version;
|
||||
int error;
|
||||
|
||||
scsi_id = scsr1 >> 4;
|
||||
/* enable burst length 16 (FIXME: should allow this) */
|
||||
scsr1 |= 0x02;
|
||||
/* force a siop reset */
|
||||
scsr1 |= 0x04;
|
||||
writeb(scsr1, vaddr + NCR_Q720_SCSR_OFFSET + 1);
|
||||
udelay(10);
|
||||
version = readb(vaddr + 0x18) >> 4;
|
||||
|
||||
memset(&device, 0, sizeof(struct ncr_device));
|
||||
/* Initialise ncr_device structure with items required by ncr_attach. */
|
||||
device.chip = q720_chip;
|
||||
device.chip.revision_id = version;
|
||||
device.host_id = scsi_id;
|
||||
device.dev = p->dev;
|
||||
device.slot.base = paddr;
|
||||
device.slot.base_c = paddr;
|
||||
device.slot.base_v = vaddr;
|
||||
device.slot.irq = irq;
|
||||
device.differential = differential ? 2 : 0;
|
||||
printk("Q720 probe unit %d (siop%d) at 0x%lx, diff = %d, vers = %d\n", unit, siop,
|
||||
(unsigned long)paddr, differential, version);
|
||||
|
||||
p->hosts[siop] = ncr_attach(&NCR_Q720_tpnt, unit++, &device);
|
||||
|
||||
if (!p->hosts[siop])
|
||||
goto fail;
|
||||
|
||||
p->irq_enable |= (1<<siop);
|
||||
scsr1 = readb(vaddr + NCR_Q720_SCSR_OFFSET + 1);
|
||||
/* clear the disable interrupt bit */
|
||||
scsr1 &= ~0x01;
|
||||
writeb(scsr1, vaddr + NCR_Q720_SCSR_OFFSET + 1);
|
||||
|
||||
error = scsi_add_host(p->hosts[siop], p->dev);
|
||||
if (error)
|
||||
ncr53c8xx_release(p->hosts[siop]);
|
||||
else
|
||||
scsi_scan_host(p->hosts[siop]);
|
||||
return error;
|
||||
|
||||
fail:
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Detect a Q720 card. Note, because of the setup --- the chips are
|
||||
* essentially connectecd to the MCA bus independently, it is easier
|
||||
* to set them up as two separate host adapters, rather than one
|
||||
* adapter with two channels */
|
||||
static int __init
|
||||
NCR_Q720_probe(struct device *dev)
|
||||
{
|
||||
struct NCR_Q720_private *p;
|
||||
static int banner = 1;
|
||||
struct mca_device *mca_dev = to_mca_device(dev);
|
||||
int slot = mca_dev->slot;
|
||||
int found = 0;
|
||||
int irq, i, siops;
|
||||
__u8 pos2, pos4, asr2, asr9, asr10;
|
||||
__u16 io_base;
|
||||
__u32 base_addr, mem_size;
|
||||
void __iomem *mem_base;
|
||||
|
||||
p = kzalloc(sizeof(*p), GFP_KERNEL);
|
||||
if (!p)
|
||||
return -ENOMEM;
|
||||
|
||||
pos2 = mca_device_read_pos(mca_dev, 2);
|
||||
/* enable device */
|
||||
pos2 |= NCR_Q720_POS2_BOARD_ENABLE | NCR_Q720_POS2_INTERRUPT_ENABLE;
|
||||
mca_device_write_pos(mca_dev, 2, pos2);
|
||||
|
||||
io_base = (pos2 & NCR_Q720_POS2_IO_MASK) << NCR_Q720_POS2_IO_SHIFT;
|
||||
|
||||
|
||||
if(banner) {
|
||||
printk(KERN_NOTICE "NCR Q720: Driver Version " NCR_Q720_VERSION "\n"
|
||||
"NCR Q720: Copyright (c) 2003 by James.Bottomley@HansenPartnership.com\n"
|
||||
"NCR Q720:\n");
|
||||
banner = 0;
|
||||
}
|
||||
io_base = mca_device_transform_ioport(mca_dev, io_base);
|
||||
|
||||
/* OK, this is phase one of the bootstrap, we now know the
|
||||
* I/O space base address. All the configuration registers
|
||||
* are mapped here (including pos) */
|
||||
|
||||
/* sanity check I/O mapping */
|
||||
i = inb(io_base) | (inb(io_base+1)<<8);
|
||||
if(i != NCR_Q720_MCA_ID) {
|
||||
printk(KERN_ERR "NCR_Q720, adapter failed to I/O map registers correctly at 0x%x(0x%x)\n", io_base, i);
|
||||
kfree(p);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Phase II, find the ram base and memory map the board register */
|
||||
pos4 = inb(io_base + 4);
|
||||
/* enable streaming data */
|
||||
pos4 |= 0x01;
|
||||
outb(pos4, io_base + 4);
|
||||
base_addr = (pos4 & 0x7e) << 20;
|
||||
base_addr += (pos4 & 0x80) << 23;
|
||||
asr10 = inb(io_base + 0x12);
|
||||
base_addr += (asr10 & 0x80) << 24;
|
||||
base_addr += (asr10 & 0x70) << 23;
|
||||
|
||||
/* OK, got the base addr, now we need to find the ram size,
|
||||
* enable and map it */
|
||||
asr9 = inb(io_base + 0x11);
|
||||
i = (asr9 & 0xc0) >> 6;
|
||||
if(i == 0)
|
||||
mem_size = 1024;
|
||||
else
|
||||
mem_size = 1 << (19 + i);
|
||||
|
||||
/* enable the sram mapping */
|
||||
asr9 |= 0x20;
|
||||
|
||||
/* disable the rom mapping */
|
||||
asr9 &= ~0x10;
|
||||
|
||||
outb(asr9, io_base + 0x11);
|
||||
|
||||
if(!request_mem_region(base_addr, mem_size, "NCR_Q720")) {
|
||||
printk(KERN_ERR "NCR_Q720: Failed to claim memory region 0x%lx\n-0x%lx",
|
||||
(unsigned long)base_addr,
|
||||
(unsigned long)(base_addr + mem_size));
|
||||
goto out_free;
|
||||
}
|
||||
|
||||
if (dma_declare_coherent_memory(dev, base_addr, base_addr,
|
||||
mem_size, 0)) {
|
||||
printk(KERN_ERR "NCR_Q720: DMA declare memory failed\n");
|
||||
goto out_release_region;
|
||||
}
|
||||
|
||||
/* The first 1k of the memory buffer is a memory map of the registers
|
||||
*/
|
||||
mem_base = dma_mark_declared_memory_occupied(dev, base_addr,
|
||||
1024);
|
||||
if (IS_ERR(mem_base)) {
|
||||
printk("NCR_Q720 failed to reserve memory mapped region\n");
|
||||
goto out_release;
|
||||
}
|
||||
|
||||
/* now also enable accesses in asr 2 */
|
||||
asr2 = inb(io_base + 0x0a);
|
||||
|
||||
asr2 |= 0x01;
|
||||
|
||||
outb(asr2, io_base + 0x0a);
|
||||
|
||||
/* get the number of SIOPs (this should be 2 or 4) */
|
||||
siops = ((asr2 & 0xe0) >> 5) + 1;
|
||||
|
||||
/* sanity check mapping (again) */
|
||||
i = readw(mem_base);
|
||||
if(i != NCR_Q720_MCA_ID) {
|
||||
printk(KERN_ERR "NCR_Q720, adapter failed to memory map registers correctly at 0x%lx(0x%x)\n", (unsigned long)base_addr, i);
|
||||
goto out_release;
|
||||
}
|
||||
|
||||
irq = readb(mem_base + 5) & 0x0f;
|
||||
|
||||
|
||||
/* now do the bus related transforms */
|
||||
irq = mca_device_transform_irq(mca_dev, irq);
|
||||
|
||||
printk(KERN_NOTICE "NCR Q720: found in slot %d irq = %d mem base = 0x%lx siops = %d\n", slot, irq, (unsigned long)base_addr, siops);
|
||||
printk(KERN_NOTICE "NCR Q720: On board ram %dk\n", mem_size/1024);
|
||||
|
||||
p->dev = dev;
|
||||
p->mem_base = mem_base;
|
||||
p->phys_mem_base = base_addr;
|
||||
p->mem_size = mem_size;
|
||||
p->irq = irq;
|
||||
p->siops = siops;
|
||||
|
||||
if (request_irq(irq, NCR_Q720_intr, IRQF_SHARED, "NCR_Q720", p)) {
|
||||
printk(KERN_ERR "NCR_Q720: request irq %d failed\n", irq);
|
||||
goto out_release;
|
||||
}
|
||||
/* disable all the siop interrupts */
|
||||
for(i = 0; i < siops; i++) {
|
||||
void __iomem *reg_scsr1 = mem_base + NCR_Q720_CHIP_REGISTER_OFFSET
|
||||
+ i*NCR_Q720_SIOP_SHIFT + NCR_Q720_SCSR_OFFSET + 1;
|
||||
__u8 scsr1 = readb(reg_scsr1);
|
||||
scsr1 |= 0x01;
|
||||
writeb(scsr1, reg_scsr1);
|
||||
}
|
||||
|
||||
/* plumb in all 720 chips */
|
||||
for (i = 0; i < siops; i++) {
|
||||
void __iomem *siop_v_base = mem_base + NCR_Q720_CHIP_REGISTER_OFFSET
|
||||
+ i*NCR_Q720_SIOP_SHIFT;
|
||||
__u32 siop_p_base = base_addr + NCR_Q720_CHIP_REGISTER_OFFSET
|
||||
+ i*NCR_Q720_SIOP_SHIFT;
|
||||
__u16 port = io_base + NCR_Q720_CHIP_REGISTER_OFFSET
|
||||
+ i*NCR_Q720_SIOP_SHIFT;
|
||||
int err;
|
||||
|
||||
outb(0xff, port + 0x40);
|
||||
outb(0x07, port + 0x41);
|
||||
if ((err = NCR_Q720_probe_one(p, i, irq, slot,
|
||||
siop_p_base, siop_v_base)) != 0)
|
||||
printk("Q720: SIOP%d: probe failed, error = %d\n",
|
||||
i, err);
|
||||
else
|
||||
found++;
|
||||
}
|
||||
|
||||
if (!found) {
|
||||
kfree(p);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
mca_device_set_claim(mca_dev, 1);
|
||||
mca_device_set_name(mca_dev, "NCR_Q720");
|
||||
dev_set_drvdata(dev, p);
|
||||
|
||||
return 0;
|
||||
|
||||
out_release:
|
||||
dma_release_declared_memory(dev);
|
||||
out_release_region:
|
||||
release_mem_region(base_addr, mem_size);
|
||||
out_free:
|
||||
kfree(p);
|
||||
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static void __exit
|
||||
NCR_Q720_remove_one(struct Scsi_Host *host)
|
||||
{
|
||||
scsi_remove_host(host);
|
||||
ncr53c8xx_release(host);
|
||||
}
|
||||
|
||||
static int __exit
|
||||
NCR_Q720_remove(struct device *dev)
|
||||
{
|
||||
struct NCR_Q720_private *p = dev_get_drvdata(dev);
|
||||
int i;
|
||||
|
||||
for (i = 0; i < p->siops; i++)
|
||||
if(p->hosts[i])
|
||||
NCR_Q720_remove_one(p->hosts[i]);
|
||||
|
||||
dma_release_declared_memory(dev);
|
||||
release_mem_region(p->phys_mem_base, p->mem_size);
|
||||
free_irq(p->irq, p);
|
||||
kfree(p);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static short NCR_Q720_id_table[] = { NCR_Q720_MCA_ID, 0 };
|
||||
|
||||
static struct mca_driver NCR_Q720_driver = {
|
||||
.id_table = NCR_Q720_id_table,
|
||||
.driver = {
|
||||
.name = "NCR_Q720",
|
||||
.bus = &mca_bus_type,
|
||||
.probe = NCR_Q720_probe,
|
||||
.remove = NCR_Q720_remove,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init
|
||||
NCR_Q720_init(void)
|
||||
{
|
||||
int ret = ncr53c8xx_init();
|
||||
if (!ret)
|
||||
ret = mca_register_driver(&NCR_Q720_driver);
|
||||
if (ret)
|
||||
ncr53c8xx_exit();
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void __exit
|
||||
NCR_Q720_exit(void)
|
||||
{
|
||||
mca_unregister_driver(&NCR_Q720_driver);
|
||||
ncr53c8xx_exit();
|
||||
}
|
||||
|
||||
module_init(NCR_Q720_init);
|
||||
module_exit(NCR_Q720_exit);
|
||||
@ -1,29 +0,0 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
/* -*- mode: c; c-basic-offset: 8 -*- */
|
||||
|
||||
/* NCR Quad 720 MCA SCSI Driver
|
||||
*
|
||||
* Copyright (C) 2003 by James.Bottomley@HansenPartnership.com
|
||||
*/
|
||||
|
||||
#ifndef _NCR_Q720_H
|
||||
#define _NCR_Q720_H
|
||||
|
||||
/* The MCA identifier */
|
||||
#define NCR_Q720_MCA_ID 0x0720
|
||||
|
||||
#define NCR_Q720_CLOCK_MHZ 30
|
||||
|
||||
#define NCR_Q720_POS2_BOARD_ENABLE 0x01
|
||||
#define NCR_Q720_POS2_INTERRUPT_ENABLE 0x02
|
||||
#define NCR_Q720_POS2_PARITY_DISABLE 0x04
|
||||
#define NCR_Q720_POS2_IO_MASK 0xf8
|
||||
#define NCR_Q720_POS2_IO_SHIFT 8
|
||||
|
||||
#define NCR_Q720_CHIP_REGISTER_OFFSET 0x200
|
||||
#define NCR_Q720_SCSR_OFFSET 0x070
|
||||
#define NCR_Q720_SIOP_SHIFT 0x080
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user