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[MIPS] SMTC: Fix crash on bootup with idebus= command line argument.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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de4b214740
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1 changed files with 25 additions and 51 deletions
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@ -29,68 +29,42 @@
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#define IDE_ARCH_OBSOLETE_DEFAULTS
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static __inline__ int ide_probe_legacy(void)
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{
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#ifdef CONFIG_PCI
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struct pci_dev *dev;
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if ((dev = pci_get_class(PCI_CLASS_BRIDGE_EISA << 8, NULL)) != NULL ||
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(dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL)) != NULL) {
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pci_dev_put(dev);
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return 1;
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}
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return 0;
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#elif defined(CONFIG_EISA) || defined(CONFIG_ISA)
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return 1;
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#else
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return 0;
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#endif
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}
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static __inline__ int ide_default_irq(unsigned long base)
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{
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if (ide_probe_legacy())
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switch (base) {
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case 0x1f0:
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return 14;
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case 0x170:
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return 15;
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case 0x1e8:
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return 11;
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case 0x168:
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return 10;
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case 0x1e0:
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return 8;
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case 0x160:
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return 12;
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switch (base) {
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case 0x1f0: return 14;
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case 0x170: return 15;
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case 0x1e8: return 11;
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case 0x168: return 10;
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case 0x1e0: return 8;
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case 0x160: return 12;
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default:
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return 0;
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}
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else
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return 0;
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}
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}
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static __inline__ unsigned long ide_default_io_base(int index)
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{
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if (ide_probe_legacy())
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/*
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* If PCI is present then it is not safe to poke around
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* the other legacy IDE ports. Only 0x1f0 and 0x170 are
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* defined compatibility mode ports for PCI. A user can
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* override this using ide= but we must default safe.
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*/
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if (no_pci_devices()) {
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switch (index) {
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case 0:
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return 0x1f0;
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case 1:
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return 0x170;
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case 2:
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return 0x1e8;
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case 3:
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return 0x168;
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case 4:
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return 0x1e0;
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case 5:
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return 0x160;
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default:
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return 0;
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case 2: return 0x1e8;
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case 3: return 0x168;
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case 4: return 0x1e0;
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case 5: return 0x160;
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}
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else
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}
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switch (index) {
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case 0: return 0x1f0;
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case 1: return 0x170;
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default:
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return 0;
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}
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}
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#define IDE_ARCH_OBSOLETE_INIT
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