1/* 2 * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux. 3 * 4 * Based on work by Alan Hourihane 5 */ 6#include <linux/types.h> 7#include <linux/mm.h> 8#include <linux/blkdev.h> 9#include <linux/zorro.h> 10 11#include <asm/setup.h> 12#include <asm/page.h> 13#include <asm/pgtable.h> 14#include <asm/bvme6000hw.h> 15#include <asm/irq.h> 16 17#include "scsi.h" 18#include <scsi/scsi_host.h> 19#include "53c7xx.h" 20#include "bvme6000.h" 21 22#include<linux/stat.h> 23 24 25int bvme6000_scsi_detect(struct scsi_host_template *tpnt) 26{ 27 static unsigned char called = 0; 28 int clock; 29 long long options; 30 31 if (called) 32 return 0; 33 if (!MACH_IS_BVME6000) 34 return 0; 35 36 tpnt->proc_name = "BVME6000"; 37 38 options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT; 39 40 clock = 40000000; /* 66MHz SCSI Clock */ 41 42 ncr53c7xx_init(tpnt, 0, 710, (unsigned long)BVME_NCR53C710_BASE, 43 0, BVME_IRQ_SCSI, DMA_NONE, 44 options, clock); 45 called = 1; 46 return 1; 47} 48 49static int bvme6000_scsi_release(struct Scsi_Host *shost) 50{ 51 if (shost->irq) 52 free_irq(shost->irq, NULL); 53 if (shost->dma_channel != 0xff) 54 free_dma(shost->dma_channel); 55 if (shost->io_port && shost->n_io_port) 56 release_region(shost->io_port, shost->n_io_port); 57 scsi_unregister(shost); 58 return 0; 59} 60 61static struct scsi_host_template driver_template = { 62 .name = "BVME6000 NCR53c710 SCSI", 63 .detect = bvme6000_scsi_detect, 64 .release = bvme6000_scsi_release, 65 .queuecommand = NCR53c7xx_queue_command, 66 .abort = NCR53c7xx_abort, 67 .reset = NCR53c7xx_reset, 68 .can_queue = 24, 69 .this_id = 7, 70 .sg_tablesize = 63, 71 .cmd_per_lun = 3, 72 .use_clustering = DISABLE_CLUSTERING 73}; 74 75 76#include "scsi_module.c" 77