1 files changed, 41 insertions, 111 deletions

diff --git a/drivers/scsi/arm/ecoscsi.c b/drivers/scsi/arm/ecoscsi.c
index 378e7af0c5d6..5265a9884338 100644
--- a/drivers/scsi/arm/ecoscsi.c
+++ b/drivers/scsi/arm/ecoscsi.c
@@ -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;
 }