patch-2.1.40 linux/drivers/scsi/amiga7xx.c

• Lines: 108
• Date: Sun May 18 17:10:37 1997
• Orig file: v2.1.39/linux/drivers/scsi/amiga7xx.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.39/linux/drivers/scsi/amiga7xx.c linux/drivers/scsi/amiga7xx.c
@@ -0,0 +1,107 @@
+/*
+ * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.
+ *  		Amiga MacroSystemUS WarpEngine SCSI controller.
+ *		Amiga Technologies A4000T SCSI controller.
+ *		Amiga Technologies/DKB A4091 SCSI controller.
+ *
+ * Written 1997 by Alan Hourihane <alanh@fairlite.demon.co.uk>
+ * plus modifications of the 53c7xx.c driver to support the Amiga.
+ */
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/blk.h>
+#include <linux/sched.h>
+#include <linux/version.h>
+#include <linux/config.h>
+#include <linux/zorro.h>
+
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/amigaints.h>
+#include <asm/amigahw.h>
+#include <asm/irq.h>
+
+#include "scsi.h"
+#include "hosts.h"
+#include "53c7xx.h"
+#include "amiga7xx.h"
+
+#include<linux/stat.h>
+
+struct proc_dir_entry proc_scsi_amiga7xx = {
+    PROC_SCSI_AMIGA7XX, 8, "Amiga7xx",
+    S_IFDIR | S_IRUGO | S_IXUGO, 2
+};
+
+int amiga7xx_detect(Scsi_Host_Template *tpnt)
+{
+    static unsigned char called = 0;
+    int key;
+    int num = 0;
+    unsigned long address;
+    long long options;
+    struct ConfigDev *cd;
+
+    if (called || !MACH_IS_AMIGA)
+	return 0;
+
+    tpnt->proc_dir = &proc_scsi_amiga7xx;
+
+#ifdef CONFIG_WARPENGINE_SCSI
+    if ((key = zorro_find(MANUF_MACROSYSTEMS, PROD_WARP_ENGINE, 0, 0)))
+    {
+    	cd = zorro_get_board(key);
+    	address = (unsigned long)kernel_map((unsigned long)cd->cd_BoardAddr,
+		cd->cd_BoardSize, KERNELMAP_NOCACHE_SER, NULL);
+
+    	options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT;
+
+	clock = 50000000;	/* 50MHz SCSI Clock */
+
+    	ncr53c7xx_init(tpnt, 0, 710, (u32)(unsigned char *)(address + 0x40000),
+			0, IRQ_AMIGA_PORTS & ~IRQ_MACHSPEC, DMA_NONE, 
+			options, clock);
+
+    	zorro_config_board(key, 0);
+    	num++;
+    }
+#endif
+
+#ifdef CONFIG_A4000T_SCSI
+    if (AMIGAHW_PRESENT(A4000_SCSI))
+    { 
+    	options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT;
+
+	clock = 50000000;	/* 50MHz SCSI Clock */
+
+    	ncr53c7xx_init(tpnt, 0, 710, (u32)(unsigned char *)ZTWO_VADDR(0xDD0040),
+			0, IRQ_AMIGA_PORTS, DMA_NONE,
+			options, clock);
+    	num++;
+    }
+#endif
+
+#ifdef CONFIG_A4091_SCSI
+    while ( (key = zorro_find(MANUF_COMMODORE, PROD_A4091, 0, 0)) ||
+	 (key = zorro_find(MANUF_COMMODORE2, PROD_A4091_2, 0, 0)) )
+    {
+	cd = zorro_get_board(key);
+	address = (unsigned long)kernel_map((unsigned long)cd->cd_BoardAddr,
+		cd->cd_BoardSize, KERNELMAP_NOCACHE_SER, NULL);
+
+    	options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT;
+
+	clock = 50000000;	/* 50MHz SCSI Clock */
+
+    	ncr53c7xx_init(tpnt, 0, 710, (u32)(unsigned char *)(address+0x800000),
+			0, IRQ_AMIGA_PORTS & ~IRQ_MACHSPEC, DMA_NONE, 
+			options, clock);
+
+	zorro_config_board(key, 0);
+	num++;
+    }
+#endif
+
+    called = 1;
+    return num;
+}