diff options
| -rw-r--r-- | include/asm-mips/mach-generic/ide.h | 76 |
1 files changed, 25 insertions, 51 deletions
diff --git a/include/asm-mips/mach-generic/ide.h b/include/asm-mips/mach-generic/ide.h index 6eba2e576aa..2b928577be5 100644 --- a/include/asm-mips/mach-generic/ide.h +++ b/include/asm-mips/mach-generic/ide.h @@ -29,68 +29,42 @@ #define IDE_ARCH_OBSOLETE_DEFAULTS -static __inline__ int ide_probe_legacy(void) -{ -#ifdef CONFIG_PCI - struct pci_dev *dev; - if ((dev = pci_get_class(PCI_CLASS_BRIDGE_EISA << 8, NULL)) != NULL || - (dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL)) != NULL) { - pci_dev_put(dev); - - return 1; - } - return 0; -#elif defined(CONFIG_EISA) || defined(CONFIG_ISA) - return 1; -#else - return 0; -#endif -} - static __inline__ int ide_default_irq(unsigned long base) { - if (ide_probe_legacy()) - switch (base) { - case 0x1f0: - return 14; - case 0x170: - return 15; - case 0x1e8: - return 11; - case 0x168: - return 10; - case 0x1e0: - return 8; - case 0x160: - return 12; + switch (base) { + case 0x1f0: return 14; + case 0x170: return 15; + case 0x1e8: return 11; + case 0x168: return 10; + case 0x1e0: return 8; + case 0x160: return 12; default: return 0; - } - else - return 0; + } } static __inline__ unsigned long ide_default_io_base(int index) { - if (ide_probe_legacy()) + /* + * If PCI is present then it is not safe to poke around + * the other legacy IDE ports. Only 0x1f0 and 0x170 are + * defined compatibility mode ports for PCI. A user can + * override this using ide= but we must default safe. + */ + if (no_pci_devices()) { switch (index) { - case 0: - return 0x1f0; - case 1: - return 0x170; - case 2: - return 0x1e8; - case 3: - return 0x168; - case 4: - return 0x1e0; - case 5: - return 0x160; - default: - return 0; + case 2: return 0x1e8; + case 3: return 0x168; + case 4: return 0x1e0; + case 5: return 0x160; } - else + } + switch (index) { + case 0: return 0x1f0; + case 1: return 0x170; + default: return 0; + } } #define IDE_ARCH_OBSOLETE_INIT |