diff options
| author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
|---|---|---|
| committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
| commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
| tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/ide/ide-legacy.c | |
| parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) | |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/ide/ide-legacy.c')
| -rw-r--r-- | drivers/ide/ide-legacy.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/ide/ide-legacy.c b/drivers/ide/ide-legacy.c new file mode 100644 index 00000000000..8c5dcbf2254 --- /dev/null +++ b/drivers/ide/ide-legacy.c @@ -0,0 +1,58 @@ +#include <linux/kernel.h> +#include <linux/ide.h> + +static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw, + u8 port_no, const struct ide_port_info *d, + unsigned long config) +{ + unsigned long base, ctl; + int irq; + + if (port_no == 0) { + base = 0x1f0; + ctl = 0x3f6; + irq = 14; + } else { + base = 0x170; + ctl = 0x376; + irq = 15; + } + + if (!request_region(base, 8, d->name)) { + printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", + d->name, base, base + 7); + return; + } + + if (!request_region(ctl, 1, d->name)) { + printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", + d->name, ctl); + release_region(base, 8); + return; + } + + ide_std_init_ports(hw, base, ctl); + hw->irq = irq; + hw->chipset = d->chipset; + hw->config = config; + + hws[port_no] = hw; +} + +int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config) +{ + hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL }; + + memset(&hw, 0, sizeof(hw)); + + if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0) + ide_legacy_init_one(hws, &hw[0], 0, d, config); + ide_legacy_init_one(hws, &hw[1], 1, d, config); + + if (hws[0] == NULL && hws[1] == NULL && + (d->host_flags & IDE_HFLAG_SINGLE)) + return -ENOENT; + + return ide_host_add(d, hws, NULL); +} +EXPORT_SYMBOL_GPL(ide_legacy_device_add); |