From: Kars de Jong <[email protected]>
New driver for Amiga Zorro bus NCR53c710 SCSI controllers, using the 53c700
SCSI core.
Signed-off-by: Geert Uytterhoeven <[email protected]>
---
drivers/scsi/Kconfig | 16 +---
drivers/scsi/Makefile | 1
drivers/scsi/zorro7xx.c | 181 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 189 insertions(+), 9 deletions(-)
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1008,7 +1008,7 @@ config SCSI_STEX
config 53C700_BE_BUS
bool
- depends on SCSI_A4000T || MVME16x_SCSI || BVME6000_SCSI
+ depends on SCSI_A4000T || SCSI_ZORRO7XX || MVME16x_SCSI || BVME6000_SCSI
default y
config SCSI_SYM53C8XX_2
@@ -1626,11 +1626,13 @@ config SCSI_A4000T
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
+config SCSI_ZORRO7XX
+ tristate "Zorro NCR53c710 SCSI support (EXPERIMENTAL)"
+ depends on ZORRO && SCSI && EXPERIMENTAL
+ select SCSI_SPI_ATTRS
help
- Support for various NCR53c710-based SCSI controllers on the Amiga.
+ Support for various NCR53c710-based SCSI controllers on Zorro
+ expansion boards for the Amiga.
This includes:
- the Amiga 4091 Zorro III SCSI-2 controller,
- the MacroSystem Development's WarpEngine Amiga SCSI-2 controller
@@ -1639,10 +1641,6 @@ config SCSI_AMIGA7XX
- the SCSI controller on the Phase5 Blizzard PowerUP 603e+
accelerator card for the Amiga 1200,
- the SCSI controller on the GVP Turbo 040/060 accelerator.
- Note that all of the above SCSI controllers, except for the builtin
- SCSI controller on the Amiga 4000T, reside on the Zorro expansion
- bus, so you also have to enable Zorro bus support if you want to use
- them.
config OKTAGON_SCSI
tristate "BSC Oktagon SCSI support (EXPERIMENTAL)"
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -38,6 +38,7 @@ 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-$(CONFIG_SCSI_ZORRO7XX) += 53c700.o zorro7xx.o
obj-$(CONFIG_A3000_SCSI) += a3000.o wd33c93.o
obj-$(CONFIG_A2091_SCSI) += a2091.o wd33c93.o
obj-$(CONFIG_GVP11_SCSI) += gvp11.o wd33c93.o
--- /dev/null
+++ b/drivers/scsi/zorro7xx.c
@@ -0,0 +1,181 @@
+/*
+ * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.
+ * Amiga MacroSystemUS WarpEngine SCSI controller.
+ * Amiga Technologies/DKB A4091 SCSI controller.
+ *
+ * Written 1997 by Alan Hourihane <[email protected]>
+ * plus modifications of the 53c7xx.c driver to support the Amiga.
+ *
+ * Rewritten to use 53c700.c by Kars de Jong <[email protected]>
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/zorro.h>
+#include <asm/amigaints.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_spi.h>
+
+#include "53c700.h"
+
+MODULE_AUTHOR("Alan Hourihane <[email protected]> / Kars de Jong <[email protected]>");
+MODULE_DESCRIPTION("Amiga Zorro NCR53C710 driver");
+MODULE_LICENSE("GPL");
+
+
+static struct scsi_host_template zorro7xx_scsi_driver_template = {
+ .proc_name = "zorro7xx",
+ .this_id = 7,
+ .module = THIS_MODULE,
+};
+
+static struct zorro_driver_data {
+ const char *name;
+ unsigned long offset;
+ int absolute; /* offset is absolute address */
+} zorro7xx_driver_data[] __devinitdata = {
+ { .name = "PowerUP 603e+", .offset = 0xf40000, .absolute = 1 },
+ { .name = "WarpEngine 40xx", .offset = 0x40000 },
+ { .name = "A4091", .offset = 0x800000 },
+ { .name = "GForce 040/060", .offset = 0x40000 },
+ { 0 }
+};
+
+static struct zorro_device_id zorro7xx_zorro_tbl[] __devinitdata = {
+ {
+ .id = ZORRO_PROD_PHASE5_BLIZZARD_603E_PLUS,
+ .driver_data = (unsigned long)&zorro7xx_driver_data[0],
+ },
+ {
+ .id = ZORRO_PROD_MACROSYSTEMS_WARP_ENGINE_40xx,
+ .driver_data = (unsigned long)&zorro7xx_driver_data[1],
+ },
+ {
+ .id = ZORRO_PROD_CBM_A4091_1,
+ .driver_data = (unsigned long)&zorro7xx_driver_data[2],
+ },
+ {
+ .id = ZORRO_PROD_CBM_A4091_2,
+ .driver_data = (unsigned long)&zorro7xx_driver_data[2],
+ },
+ {
+ .id = ZORRO_PROD_GVP_GFORCE_040_060,
+ .driver_data = (unsigned long)&zorro7xx_driver_data[3],
+ },
+ { 0 }
+};
+MODULE_DEVICE_TABLE(zorro, zorro7xx_zorro_tbl);
+
+static int __devinit zorro7xx_init_one(struct zorro_dev *z,
+ const struct zorro_device_id *ent)
+{
+ struct Scsi_Host * host = NULL;
+ struct NCR_700_Host_Parameters *hostdata;
+ struct zorro_driver_data *zdd;
+ unsigned long board, ioaddr;
+
+ board = zorro_resource_start(z);
+ zdd = (struct zorro_driver_data *)ent->driver_data;
+
+ if (zdd->absolute) {
+ ioaddr = zdd->offset;
+ } else {
+ ioaddr = board + zdd->offset;
+ }
+
+ if (!zorro_request_device(z, zdd->name)) {
+ printk(KERN_ERR "zorro7xx: cannot reserve region 0x%lx, abort\n",
+ board);
+ return -EBUSY;
+ }
+
+ hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
+ if (hostdata == NULL) {
+ printk(KERN_ERR "zorro7xx: 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 */
+ if (ioaddr > 0x01000000)
+ hostdata->base = ioremap(ioaddr, zorro_resource_len(z));
+ else
+ hostdata->base = (void __iomem *)ZTWO_VADDR(ioaddr);
+
+ hostdata->clock = 50;
+ hostdata->chip710 = 1;
+
+ /* Settings for at least WarpEngine 40xx */
+ hostdata->ctest7_extra = CTEST7_TT1;
+
+ zorro7xx_scsi_driver_template.name = zdd->name;
+
+ /* and register the chip */
+ host = NCR_700_detect(&zorro7xx_scsi_driver_template, hostdata,
+ &z->dev);
+ if (!host) {
+ printk(KERN_ERR "zorro7xx: No host detected; "
+ "board configuration problem?\n");
+ goto out_free;
+ }
+
+ host->this_id = 7;
+ host->base = ioaddr;
+ host->irq = IRQ_AMIGA_PORTS;
+
+ if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "zorro7xx-scsi",
+ host)) {
+ printk(KERN_ERR "zorro7xx: request_irq failed\n");
+ goto out_put_host;
+ }
+
+ scsi_scan_host(host);
+
+ return 0;
+
+ out_put_host:
+ scsi_host_put(host);
+ out_free:
+ if (ioaddr > 0x01000000)
+ iounmap(hostdata->base);
+ kfree(hostdata);
+ out_release:
+ zorro_release_device(z);
+
+ return -ENODEV;
+}
+
+static __devexit void zorro7xx_remove_one(struct zorro_dev *z)
+{
+ struct Scsi_Host *host = dev_to_shost(&z->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);
+ zorro_release_device(z);
+}
+
+static struct zorro_driver zorro7xx_driver = {
+ .name = "zorro7xx-scsi",
+ .id_table = zorro7xx_zorro_tbl,
+ .probe = zorro7xx_init_one,
+ .remove = __devexit_p(zorro7xx_remove_one),
+};
+
+static int __init zorro7xx_scsi_init(void)
+{
+ return zorro_register_driver(&zorro7xx_driver);
+}
+
+static void __exit zorro7xx_scsi_exit(void)
+{
+ zorro_unregister_driver(&zorro7xx_driver);
+}
+
+module_init(zorro7xx_scsi_init);
+module_exit(zorro7xx_scsi_exit);
--
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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