diff options
| -rw-r--r-- | drivers/scsi/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/scsi/Makefile | 1 | ||||
| -rw-r--r-- | drivers/scsi/a4000t.c | 142 |
3 files changed, 155 insertions, 2 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 915bf6caffe..8e53586a3f1 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1008,7 +1008,7 @@ config SCSI_STEX config 53C700_BE_BUS bool - depends on MVME16x_SCSI || BVME6000_SCSI + depends on SCSI_A4000T || MVME16x_SCSI || BVME6000_SCSI default y config SCSI_SYM53C8XX_2 @@ -1614,13 +1614,23 @@ config FASTLANE_SCSI If you have the Phase5 Fastlane Z3 SCSI controller, or plan to use one in the near future, say Y to this question. Otherwise, say N. +config SCSI_A4000T + tristate "A4000T NCR53c710 SCSI support (EXPERIMENTAL)" + depends on AMIGA && SCSI && EXPERIMENTAL + select SCSI_SPI_ATTRS + help + If you have an Amiga 4000T and have SCSI devices connected to the + built-in SCSI controller, say Y. Otherwise, say N. + + To compile this driver as a module, choose M here: the + module will be called a4000t. + config SCSI_AMIGA7XX bool "Amiga NCR53c710 SCSI support (EXPERIMENTAL)" depends on AMIGA && SCSI && EXPERIMENTAL && BROKEN help Support for various NCR53c710-based SCSI controllers on the Amiga. This includes: - - the builtin SCSI controller on the Amiga 4000T, - the Amiga 4091 Zorro III SCSI-2 controller, - the MacroSystem Development's WarpEngine Amiga SCSI-2 controller (info at diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 4bc4ef8d420..1fd7fbc56ba 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -37,6 +37,7 @@ obj-$(CONFIG_SCSI_SAS_LIBSAS) += libsas/ obj-$(CONFIG_ISCSI_TCP) += libiscsi.o iscsi_tcp.o obj-$(CONFIG_INFINIBAND_ISER) += libiscsi.o +obj-$(CONFIG_SCSI_A4000T) += 53c700.o a4000t.o obj-$(CONFIG_A3000_SCSI) += a3000.o wd33c93.o obj-$(CONFIG_A2091_SCSI) += a2091.o wd33c93.o obj-$(CONFIG_GVP11_SCSI) += gvp11.o wd33c93.o diff --git a/drivers/scsi/a4000t.c b/drivers/scsi/a4000t.c new file mode 100644 index 00000000000..e1c6eda64c5 --- /dev/null +++ b/drivers/scsi/a4000t.c @@ -0,0 +1,142 @@ +/* + * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux. + * Amiga Technologies A4000T SCSI controller. + * + * Written 1997 by Alan Hourihane <alanh@fairlite.demon.co.uk> + * plus modifications of the 53c7xx.c driver to support the Amiga. + * + * Rewritten to use 53c700.c by Kars de Jong <jongk@linux-m68k.org> + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <asm/amigaints.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_transport_spi.h> + +#include "53c700.h" + +MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / Kars de Jong <jongk@linux-m68k.org>"); +MODULE_DESCRIPTION("Amiga A4000T NCR53C710 driver"); +MODULE_LICENSE("GPL"); + + +static struct scsi_host_template a4000t_scsi_driver_template = { + .name = "A4000T builtin SCSI", + .proc_name = "A4000t", + .this_id = 7, + .module = THIS_MODULE, +}; + +static struct platform_device *a4000t_scsi_device; + +#define A4000T_SCSI_ADDR 0xdd0040 + +static int __devinit a4000t_probe(struct device *dev) +{ + struct Scsi_Host * host = NULL; + struct NCR_700_Host_Parameters *hostdata; + + if (!(MACH_IS_AMIGA && AMIGAHW_PRESENT(A4000_SCSI))) + goto out; + + if (!request_mem_region(A4000T_SCSI_ADDR, 0x1000, + "A4000T builtin SCSI")) + goto out; + + hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL); + if (hostdata == NULL) { + printk(KERN_ERR "a4000t-scsi: Failed to allocate host data\n"); + goto out_release; + } + memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters)); + + /* Fill in the required pieces of hostdata */ + hostdata->base = (void __iomem *)ZTWO_VADDR(A4000T_SCSI_ADDR); + hostdata->clock = 50; + hostdata->chip710 = 1; + hostdata->dmode_extra = DMODE_FC2; + hostdata->dcntl_extra = EA_710; + + /* and register the chip */ + host = NCR_700_detect(&a4000t_scsi_driver_template, hostdata, dev); + if (!host) { + printk(KERN_ERR "a4000t-scsi: No host detected; " + "board configuration problem?\n"); + goto out_free; + } + + host->this_id = 7; + host->base = A4000T_SCSI_ADDR; + host->irq = IRQ_AMIGA_PORTS; + + if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "a4000t-scsi", + host)) { + printk(KERN_ERR "a4000t-scsi: request_irq failed\n"); + goto out_put_host; + } + + scsi_scan_host(host); + + return 0; + + out_put_host: + scsi_host_put(host); + out_free: + kfree(hostdata); + out_release: + release_mem_region(A4000T_SCSI_ADDR, 0x1000); + out: + return -ENODEV; +} + +static __devexit int a4000t_device_remove(struct device *dev) +{ + struct Scsi_Host *host = dev_to_shost(dev); + struct NCR_700_Host_Parameters *hostdata = shost_priv(host); + + scsi_remove_host(host); + + NCR_700_release(host); + kfree(hostdata); + free_irq(host->irq, host); + release_mem_region(A4000T_SCSI_ADDR, 0x1000); + + return 0; +} + +static struct device_driver a4000t_scsi_driver = { + .name = "a4000t-scsi", + .bus = &platform_bus_type, + .probe = a4000t_probe, + .remove = __devexit_p(a4000t_device_remove), +}; + +static int __init a4000t_scsi_init(void) +{ + int err; + + err = driver_register(&a4000t_scsi_driver); + if (err) + return err; + + a4000t_scsi_device = platform_device_register_simple("a4000t-scsi", + -1, NULL, 0); + if (IS_ERR(a4000t_scsi_device)) { + driver_unregister(&a4000t_scsi_driver); + return PTR_ERR(a4000t_scsi_device); + } + + return err; +} + +static void __exit a4000t_scsi_exit(void) +{ + platform_device_unregister(a4000t_scsi_device); + driver_unregister(&a4000t_scsi_driver); +} + +module_init(a4000t_scsi_init); +module_exit(a4000t_scsi_exit); |