diff options
Diffstat (limited to 'drivers/scsi/bvme6000.c')
-rw-r--r-- | drivers/scsi/bvme6000.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/scsi/bvme6000.c b/drivers/scsi/bvme6000.c new file mode 100644 index 000000000000..29c7ed30c09e --- /dev/null +++ b/drivers/scsi/bvme6000.c @@ -0,0 +1,78 @@ +/* + * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux. + * + * Based on work by Alan Hourihane + */ +#include <linux/types.h> +#include <linux/mm.h> +#include <linux/blkdev.h> +#include <linux/sched.h> +#include <linux/version.h> +#include <linux/zorro.h> + +#include <asm/setup.h> +#include <asm/page.h> +#include <asm/pgtable.h> +#include <asm/bvme6000hw.h> +#include <asm/irq.h> + +#include "scsi.h" +#include <scsi/scsi_host.h> +#include "53c7xx.h" +#include "bvme6000.h" + +#include<linux/stat.h> + + +int bvme6000_scsi_detect(Scsi_Host_Template *tpnt) +{ + static unsigned char called = 0; + int clock; + long long options; + + if (called) + return 0; + if (!MACH_IS_BVME6000) + return 0; + + tpnt->proc_name = "BVME6000"; + + options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT; + + clock = 40000000; /* 66MHz SCSI Clock */ + + ncr53c7xx_init(tpnt, 0, 710, (unsigned long)BVME_NCR53C710_BASE, + 0, BVME_IRQ_SCSI, DMA_NONE, + options, clock); + called = 1; + return 1; +} + +static int bvme6000_scsi_release(struct Scsi_Host *shost) +{ + if (shost->irq) + free_irq(shost->irq, NULL); + if (shost->dma_channel != 0xff) + free_dma(shost->dma_channel); + if (shost->io_port && shost->n_io_port) + release_region(shost->io_port, shost->n_io_port); + scsi_unregister(shost); + return 0; +} + +static Scsi_Host_Template driver_template = { + .name = "BVME6000 NCR53c710 SCSI", + .detect = bvme6000_scsi_detect, + .release = bvme6000_scsi_release, + .queuecommand = NCR53c7xx_queue_command, + .abort = NCR53c7xx_abort, + .reset = NCR53c7xx_reset, + .can_queue = 24, + .this_id = 7, + .sg_tablesize = 63, + .cmd_per_lun = 3, + .use_clustering = DISABLE_CLUSTERING +}; + + +#include "scsi_module.c" |