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Commit 8b801ead authored by Russell King's avatar Russell King Committed by Russell King
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[ARM] rpc: update Acorn SCSI drivers to modern ecard interfaces 

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 13d5fadf
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Showing with 185 additions and 248 deletions
drivers/scsi/arm/cumana_1.c
View file @ 8b801ead
This diff is collapsed.
drivers/scsi/arm/ecoscsi.c
View file @ 8b801ead
......@@ -34,35 +34,25 @@
#include "../scsi.h"
#include <scsi/scsi_host.h>
#define NCR5380_implementation_fields int port, ctrl
#define NCR5380_local_declare() struct Scsi_Host *_instance
#define NCR5380_setup(instance) _instance = instance
#define priv(host) ((struct NCR5380_hostdata *)(host)->hostdata)
#define NCR5380_read(reg) ecoscsi_read(_instance, reg)
#define NCR5380_write(reg, value) ecoscsi_write(_instance, reg, value)
#define NCR5380_local_declare() void __iomem *_base
#define NCR5380_setup(host) _base = priv(host)->base
#define NCR5380_read(reg) ({ writeb(reg | 8, _base); readb(_base + 4); })
#define NCR5380_write(reg, value) ({ writeb(reg | 8, _base); writeb(value, _base + 4); })
#define NCR5380_intr ecoscsi_intr
#define NCR5380_queue_command ecoscsi_queue_command
#define NCR5380_proc_info ecoscsi_proc_info
#define NCR5380_implementation_fields \
void __iomem *base
#include "../NCR5380.h"
#define ECOSCSI_PUBLIC_RELEASE 1
static char ecoscsi_read(struct Scsi_Host *instance, int reg)
{
int iobase = instance->io_port;
outb(reg | 8, iobase);
return inb(iobase + 1);
}
static void ecoscsi_write(struct Scsi_Host *instance, int reg, int value)
{
int iobase = instance->io_port;
outb(reg | 8, iobase);
outb(value, iobase + 1);
}
/*
* Function : ecoscsi_setup(char *str, int *ints)
*
......@@ -82,73 +72,6 @@ const char * ecoscsi_info (struct Scsi_Host *spnt)
return "";
}
#if 0
#define STAT(p) inw(p + 144)
static inline int NCR5380_pwrite(struct Scsi_Host *host, unsigned char *addr,
int len)
{
int iobase = host->io_port;
printk("writing %p len %d\n",addr, len);
if(!len) return -1;
while(1)
{
int status;
while(((status = STAT(iobase)) & 0x100)==0);
}
}
static inline int NCR5380_pread(struct Scsi_Host *host, unsigned char *addr,
int len)
{
int iobase = host->io_port;
int iobase2= host->io_port + 0x100;
unsigned char *start = addr;
int s;
printk("reading %p len %d\n",addr, len);
outb(inb(iobase + 128), iobase + 135);
while(len > 0)
{
int status,b,i, timeout;
timeout = 0x07FFFFFF;
while(((status = STAT(iobase)) & 0x100)==0)
{
timeout--;
if(status & 0x200 || !timeout)
{
printk("status = %p\n",status);
outb(0, iobase + 135);
return 1;
}
}
if(len >= 128)
{
for(i=0; i<64; i++)
{
b = inw(iobase + 136);
*addr++ = b;
*addr++ = b>>8;
}
len -= 128;
}
else
{
b = inw(iobase + 136);
*addr ++ = b;
len -= 1;
if(len)
*addr ++ = b>>8;
len -= 1;
}
}
outb(0, iobase + 135);
printk("first bytes = %02X %02X %02X %20X %02X %02X %02X\n",*start, start[1], start[2], start[3], start[4], start[5], start[6]);
return 1;
}
#endif
#undef STAT
#define BOARD_NORMAL 0
#define BOARD_NCR53C400 1
......@@ -173,25 +96,36 @@ static struct Scsi_Host *host;
static int __init ecoscsi_init(void)
{
void __iomem *_base;
int ret;
host = scsi_host_alloc(tpnt, sizeof(struct NCR5380_hostdata));
if (!host)
return 0;
if (!request_mem_region(0x33a0000, 4096, "ecoscsi")) {
ret = -EBUSY;
goto out;
}
host->io_port = 0x80ce8000;
host->n_io_port = 144;
host->irq = IRQ_NONE;
_base = ioremap(0x33a0000, 4096);
if (!_base) {
ret = -ENOMEM;
goto out_release;
}
if (!(request_region(host->io_port, host->n_io_port, "ecoscsi")) )
goto unregister_scsi;
NCR5380_write(MODE_REG, 0x20); /* Is it really SCSI? */
if (NCR5380_read(MODE_REG) != 0x20) /* Write to a reg. */
goto out_unmap;
ecoscsi_write(host, MODE_REG, 0x20); /* Is it really SCSI? */
if (ecoscsi_read(host, MODE_REG) != 0x20) /* Write to a reg. */
goto release_reg;
NCR5380_write(MODE_REG, 0x00); /* it back. */
if (NCR5380_read(MODE_REG) != 0x00)
goto out_unmap;
ecoscsi_write(host, MODE_REG, 0x00 ); /* it back. */
if (ecoscsi_read(host, MODE_REG) != 0x00)
goto release_reg;
host = scsi_host_alloc(tpnt, sizeof(struct NCR5380_hostdata));
if (!host) {
ret = -ENOMEM;
goto out_unmap;
}
priv(host)->base = _base;
host->irq = IRQ_NONE;
NCR5380_init(host, 0);
......@@ -206,24 +140,20 @@ static int __init ecoscsi_init(void)
scsi_scan_host(host);
return 0;
release_reg:
release_region(host->io_port, host->n_io_port);
unregister_scsi:
scsi_host_put(host);
return -ENODEV;
out_unmap:
iounmap(_base);
out_release:
release_mem_region(0x33a0000, 4096);
out:
return ret;
}
static void __exit ecoscsi_exit(void)
{
scsi_remove_host(host);
if (shpnt->irq != IRQ_NONE)
free_irq(shpnt->irq, NULL);
NCR5380_exit(host);
if (shpnt->io_port)
release_region(shpnt->io_port, shpnt->n_io_port);
scsi_host_put(host);
release_mem_region(0x33a0000, 4096);
return 0;
}
......
drivers/scsi/arm/oak.c
View file @ 8b801ead
......@@ -23,15 +23,18 @@
#define OAKSCSI_PUBLIC_RELEASE 1
#define NCR5380_read(reg) oakscsi_read(_instance, reg)
#define NCR5380_write(reg, value) oakscsi_write(_instance, reg, value)
#define priv(host) ((struct NCR5380_hostdata *)(host)->hostdata)
#define NCR5380_local_declare() void __iomem *_base
#define NCR5380_setup(host) _base = priv(host)->base
#define NCR5380_read(reg) readb(_base + ((reg) << 2))
#define NCR5380_write(reg, value) writeb(value, _base + ((reg) << 2))
#define NCR5380_intr oakscsi_intr
#define NCR5380_queue_command oakscsi_queue_command
#define NCR5380_proc_info oakscsi_proc_info
#define NCR5380_implementation_fields int port, ctrl
#define NCR5380_local_declare() struct Scsi_Host *_instance
#define NCR5380_setup(instance) _instance = instance
#define NCR5380_implementation_fields \
void __iomem *base
#define BOARD_NORMAL 0
#define BOARD_NCR53C400 1
......@@ -39,60 +42,62 @@
#include "../NCR5380.h"
#undef START_DMA_INITIATOR_RECEIVE_REG
#define START_DMA_INITIATOR_RECEIVE_REG (7 + 128)
#define START_DMA_INITIATOR_RECEIVE_REG (128 + 7)
const char * oakscsi_info (struct Scsi_Host *spnt)
{
return "";
}
#define STAT(p) inw(p + 144)
extern void inswb(int from, void *to, int len);
#define STAT ((128 + 16) << 2)
#define DATA ((128 + 8) << 2)
static inline int NCR5380_pwrite(struct Scsi_Host *instance, unsigned char *addr,
int len)
{
int iobase = instance->io_port;
void __iomem *base = priv(instance)->base;
printk("writing %p len %d\n",addr, len);
if(!len) return -1;
while(1)
{
int status;
while(((status = STAT(iobase)) & 0x100)==0);
while (((status = readw(base + STAT)) & 0x100)==0);
}
}
static inline int NCR5380_pread(struct Scsi_Host *instance, unsigned char *addr,
int len)
{
int iobase = instance->io_port;
void __iomem *base = priv(instance)->base;
printk("reading %p len %d\n", addr, len);
while(len > 0)
{
int status, timeout;
unsigned int status, timeout;
unsigned long b;
timeout = 0x01FFFFFF;
while(((status = STAT(iobase)) & 0x100)==0)
while (((status = readw(base + STAT)) & 0x100)==0)
{
timeout--;
if(status & 0x200 || !timeout)
{
printk("status = %08X\n",status);
printk("status = %08X\n", status);
return 1;
}
}
if(len >= 128)
{
inswb(iobase + 136, addr, 128);
readsw(base + DATA, addr, 128);
addr += 128;
len -= 128;
}
else
{
b = (unsigned long) inw(iobase + 136);
b = (unsigned long) readw(base + DATA);
*addr ++ = b;
len -= 1;
if(len)
......@@ -103,10 +108,8 @@ printk("reading %p len %d\n", addr, len);
return 0;
}
#define oakscsi_read(instance,reg) (inb((instance)->io_port + (reg)))
#define oakscsi_write(instance,reg,val) (outb((val), (instance)->io_port + (reg)))
#undef STAT
#undef DATA
#include "../NCR5380.c"
......@@ -132,18 +135,26 @@ oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
struct Scsi_Host *host;
int ret = -ENOMEM;
host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
if (!host)
ret = ecard_request_resources(ec);
if (ret)
goto out;
host->io_port = ecard_address(ec, ECARD_MEMC, 0);
host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
if (!host) {
ret = -ENOMEM;
goto release;
}
priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
ecard_resource_len(ec, ECARD_RES_MEMC));
if (!priv(host)->base) {
ret = -ENOMEM;
goto unreg;
}
host->irq = IRQ_NONE;
host->n_io_port = 255;
ret = -EBUSY;
if (!request_region (host->io_port, host->n_io_port, "Oak SCSI"))
goto unreg;
NCR5380_init(host, 0);
printk("scsi%d: at port 0x%08lx irqs disabled",
......@@ -156,15 +167,17 @@ oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
ret = scsi_add_host(host, &ec->dev);
if (ret)
goto out_release;
goto out_unmap;
scsi_scan_host(host);
goto out;
out_release:
release_region(host->io_port, host->n_io_port);
out_unmap:
iounmap(priv(host)->base);
unreg:
scsi_host_put(host);
release:
ecard_release_resources(ec);
out:
return ret;
}
......@@ -177,8 +190,9 @@ static void __devexit oakscsi_remove(struct expansion_card *ec)
scsi_remove_host(host);
NCR5380_exit(host);
release_region(host->io_port, host->n_io_port);
iounmap(priv(host)->base);
scsi_host_put(host);
ecard_release_resources(ec);
}
static const struct ecard_id oakscsi_cids[] = {
......
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