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path: root/drivers/ide/gayle.c
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Diffstat (limited to 'drivers/ide/gayle.c')
-rw-r--r--drivers/ide/gayle.c188
1 files changed, 0 insertions, 188 deletions
diff --git a/drivers/ide/gayle.c b/drivers/ide/gayle.c
deleted file mode 100644
index 901e6ebfeb96..000000000000
--- a/drivers/ide/gayle.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * Amiga Gayle IDE Driver
- *
- * Created 9 Jul 1997 by Geert Uytterhoeven
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive for
- * more details.
- */
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/blkdev.h>
-#include <linux/ide.h>
-#include <linux/init.h>
-#include <linux/zorro.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <asm/setup.h>
-#include <asm/amigahw.h>
-#include <asm/amigaints.h>
-#include <asm/amigayle.h>
-
-
- /*
- * Offsets from one of the above bases
- */
-
-#define GAYLE_CONTROL 0x101a
-
- /*
- * These are at different offsets from the base
- */
-
-#define GAYLE_IRQ_4000 0xdd3020 /* MSB = 1, Harddisk is source of */
-#define GAYLE_IRQ_1200 0xda9000 /* interrupt */
-
-
- /*
- * Offset of the secondary port for IDE doublers
- * Note that GAYLE_CONTROL is NOT available then!
- */
-
-#define GAYLE_NEXT_PORT 0x1000
-
-#define GAYLE_NUM_HWIFS 2
-#define GAYLE_NUM_PROBE_HWIFS (ide_doubler ? GAYLE_NUM_HWIFS : \
- GAYLE_NUM_HWIFS-1)
-#define GAYLE_HAS_CONTROL_REG (!ide_doubler)
-
-static bool ide_doubler;
-module_param_named(doubler, ide_doubler, bool, 0);
-MODULE_PARM_DESC(doubler, "enable support for IDE doublers");
-
- /*
- * Check and acknowledge the interrupt status
- */
-
-static int gayle_test_irq(ide_hwif_t *hwif)
-{
- unsigned char ch;
-
- ch = z_readb(hwif->io_ports.irq_addr);
- if (!(ch & GAYLE_IRQ_IDE))
- return 0;
- return 1;
-}
-
-static void gayle_a1200_clear_irq(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
-
- (void)z_readb(hwif->io_ports.status_addr);
- z_writeb(0x7c, hwif->io_ports.irq_addr);
-}
-
-static void __init gayle_setup_ports(struct ide_hw *hw, unsigned long base,
- unsigned long ctl, unsigned long irq_port)
-{
- int i;
-
- memset(hw, 0, sizeof(*hw));
-
- hw->io_ports.data_addr = base;
-
- for (i = 1; i < 8; i++)
- hw->io_ports_array[i] = base + 2 + i * 4;
-
- hw->io_ports.ctl_addr = ctl;
- hw->io_ports.irq_addr = irq_port;
-
- hw->irq = IRQ_AMIGA_PORTS;
-}
-
-static const struct ide_port_ops gayle_a4000_port_ops = {
- .test_irq = gayle_test_irq,
-};
-
-static const struct ide_port_ops gayle_a1200_port_ops = {
- .clear_irq = gayle_a1200_clear_irq,
- .test_irq = gayle_test_irq,
-};
-
-static const struct ide_port_info gayle_port_info = {
- .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_SERIALIZE |
- IDE_HFLAG_NO_DMA,
- .irq_flags = IRQF_SHARED,
- .chipset = ide_generic,
-};
-
- /*
- * Probe for a Gayle IDE interface (and optionally for an IDE doubler)
- */
-
-static int __init amiga_gayle_ide_probe(struct platform_device *pdev)
-{
- struct resource *res;
- struct gayle_ide_platform_data *pdata;
- unsigned long base, ctrlport, irqport;
- unsigned int i;
- int error;
- struct ide_hw hw[GAYLE_NUM_HWIFS], *hws[GAYLE_NUM_HWIFS];
- struct ide_port_info d = gayle_port_info;
- struct ide_host *host;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENODEV;
-
- if (!request_mem_region(res->start, resource_size(res), "IDE"))
- return -EBUSY;
-
- pdata = dev_get_platdata(&pdev->dev);
- pr_info("ide: Gayle IDE controller (A%u style%s)\n",
- pdata->explicit_ack ? 1200 : 4000,
- ide_doubler ? ", IDE doubler" : "");
-
- base = (unsigned long)ZTWO_VADDR(pdata->base);
- ctrlport = 0;
- irqport = (unsigned long)ZTWO_VADDR(pdata->irqport);
- if (pdata->explicit_ack)
- d.port_ops = &gayle_a1200_port_ops;
- else
- d.port_ops = &gayle_a4000_port_ops;
-
- for (i = 0; i < GAYLE_NUM_PROBE_HWIFS; i++, base += GAYLE_NEXT_PORT) {
- if (GAYLE_HAS_CONTROL_REG)
- ctrlport = base + GAYLE_CONTROL;
-
- gayle_setup_ports(&hw[i], base, ctrlport, irqport);
- hws[i] = &hw[i];
- }
-
- error = ide_host_add(&d, hws, i, &host);
- if (error)
- goto out;
-
- platform_set_drvdata(pdev, host);
- return 0;
-
-out:
- release_mem_region(res->start, resource_size(res));
- return error;
-}
-
-static int __exit amiga_gayle_ide_remove(struct platform_device *pdev)
-{
- struct ide_host *host = platform_get_drvdata(pdev);
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- ide_host_remove(host);
- release_mem_region(res->start, resource_size(res));
- return 0;
-}
-
-static struct platform_driver amiga_gayle_ide_driver = {
- .remove = __exit_p(amiga_gayle_ide_remove),
- .driver = {
- .name = "amiga-gayle-ide",
- },
-};
-
-module_platform_driver_probe(amiga_gayle_ide_driver, amiga_gayle_ide_probe);
-
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:amiga-gayle-ide");