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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 08:39:24 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 08:39:24 -0700 |
commit | 188da98800893691e47eea9335a234378e32aceb (patch) | |
tree | 57dbf491d23676e011b4946ec1867a6d55a02eef /drivers/ide/legacy/ide-4drives.c | |
parent | 07fe944e87d79f8d7e1b090913fe9f2ace78f41d (diff) | |
parent | 273b8385e5817a4765f82257004c5ec661a6a5b2 (diff) | |
download | op-kernel-dev-188da98800893691e47eea9335a234378e32aceb.zip op-kernel-dev-188da98800893691e47eea9335a234378e32aceb.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (58 commits)
ide: remove ide_init_default_irq() macro
ide: move default IDE ports setup to ide_generic host driver
ide: remove obsoleted "idex=noprobe" kernel parameter (take 2)
ide: remove needless hwif->irq check from ide_hwif_configure()
ide: init hwif->{io_ports,irq} explicitly in legacy VLB host drivers
ide: limit legacy VLB host drivers to alpha, x86 and mips
cmd640: init hwif->{io_ports,irq} explicitly
cmd640: cleanup setup_device_ptrs()
ide: add ide-4drives host driver (take 3)
ide: remove ppc ifdef from init_ide_data()
ide: remove ide_default_io_ctl() macro
ide: remove CONFIG_IDE_ARCH_OBSOLETE_INIT
ide: add CONFIG_IDE_ARCH_OBSOLETE_DEFAULTS (take 2)
ppc/pmac: remove no longer needed IDE quirk
ppc: don't include <linux/ide.h>
ppc: remove ppc_ide_md
ppc/pplus: remove ppc_ide_md.ide_init_hwif hook
ppc/sandpoint: remove ppc_ide_md hooks
ppc/lopec: remove ppc_ide_md hooks
ppc/mpc8xx: remove ppc_ide_md hooks
...
Diffstat (limited to 'drivers/ide/legacy/ide-4drives.c')
-rw-r--r-- | drivers/ide/legacy/ide-4drives.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/ide/legacy/ide-4drives.c b/drivers/ide/legacy/ide-4drives.c new file mode 100644 index 0000000..ecd7f35 --- /dev/null +++ b/drivers/ide/legacy/ide-4drives.c @@ -0,0 +1,50 @@ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/ide.h> + +int probe_4drives = 0; + +module_param_named(probe, probe_4drives, bool, 0); +MODULE_PARM_DESC(probe, "probe for generic IDE chipset with 4 drives/port"); + +static int __init ide_4drives_init(void) +{ + ide_hwif_t *hwif, *mate; + u8 idx[4] = { 0, 1, 0xff, 0xff }; + hw_regs_t hw; + + if (probe_4drives == 0) + return -ENODEV; + + hwif = &ide_hwifs[0]; + mate = &ide_hwifs[1]; + + memset(&hw, 0, sizeof(hw)); + + ide_std_init_ports(&hw, 0x1f0, 0x3f6); + hw.irq = 14; + hw.chipset = ide_4drives; + + ide_init_port_hw(hwif, &hw); + ide_init_port_hw(mate, &hw); + + mate->drives[0].select.all ^= 0x20; + mate->drives[1].select.all ^= 0x20; + + hwif->mate = mate; + mate->mate = hwif; + + hwif->serialized = mate->serialized = 1; + + ide_device_add(idx, NULL); + + return 0; +} + +module_init(ide_4drives_init); + +MODULE_AUTHOR("Bartlomiej Zolnierkiewicz"); +MODULE_DESCRIPTION("generic IDE chipset with 4 drives/port support"); +MODULE_LICENSE("GPL"); |