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/* * 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/setup.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>
extern int ncr53c7xx_init (Scsi_Host_Template *tpnt, int board, int chip, u32 base, int io_port, int irq, int dma, long long options, int clock);
int __init amiga7xx_detect(Scsi_Host_Template *tpnt) { static unsigned char called = 0; int num = 0, clock; long long options; struct zorro_dev *z = NULL; unsigned long address;
if (called || !MACH_IS_AMIGA) return 0;
tpnt->proc_name = "Amiga7xx";
#ifdef CONFIG_A4000T_SCSI if (AMIGAHW_PRESENT(A4000_SCSI)) { address = 0xdd0040; if (request_mem_region(address, 0x1000, "ncr53c710")) { address = ZTWO_VADDR(address); 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, address, 0, IRQ_AMIGA_PORTS, DMA_NONE, options, clock); num++; } } #endif
while ((z = zorro_find_device(ZORRO_WILDCARD, z))) { unsigned long address = z->resource.start; unsigned long size = z->resource.end-z->resource.start+1; switch (z->id) { #ifdef CONFIG_BLZ603EPLUS_SCSI case ZORRO_PROD_PHASE5_BLIZZARD_603E_PLUS: address = 0xf40000; if (request_mem_region(address, 0x1000, "ncr53c710")) { address = ZTWO_VADDR(address); 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, address, 0, IRQ_AMIGA_PORTS, DMA_NONE, options, clock); num++; } break; #endif
#ifdef CONFIG_WARPENGINE_SCSI case ZORRO_PROD_MACROSYSTEMS_WARP_ENGINE_40xx: if (request_mem_region(address+0x40000, 0x1000, "ncr53c710")) { address = (unsigned long)ioremap(address, size); 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, address+0x40000, 0, IRQ_AMIGA_PORTS, DMA_NONE, options, clock); num++; } break; #endif
#ifdef CONFIG_A4091_SCSI case ZORRO_PROD_CBM_A4091_1: case ZORRO_PROD_CBM_A4091_2: if (request_mem_region(address+0x800000, 0x1000, "ncr53c710")) { address = (unsigned long)ioremap(address, size); 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, address+0x800000, 0, IRQ_AMIGA_PORTS, DMA_NONE, options, clock); num++; } break; #endif
#ifdef CONFIG_GVP_TURBO_SCSI case ZORRO_PROD_GVP_GFORCE_040_060: if (request_mem_region(address+0x40000, 0x1000, "ncr53c710")) { address = ZTWO_VADDR(address); 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, address+0x40000, 0, IRQ_AMIGA_PORTS, DMA_NONE, options, clock); num++; } #endif } }
called = 1; return num; }
static Scsi_Host_Template driver_template = AMIGA7XX_SCSI; #include "scsi_module.c"
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