diff options
Diffstat (limited to 'arch/powerpc/kernel/setup-common.c')
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 3c8847b647fa..370803722e47 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -478,11 +478,39 @@ void probe_machine(void) printk(KERN_INFO "Using %s machine description\n", ppc_md.name); } +/* Match a class of boards, not a specific device configuration. */ int check_legacy_ioport(unsigned long base_port) { - if (ppc_md.check_legacy_ioport == NULL) - return 0; - return ppc_md.check_legacy_ioport(base_port); + struct device_node *parent, *np = NULL; + int ret = -ENODEV; + + switch(base_port) { + case I8042_DATA_REG: + np = of_find_node_by_type(NULL, "8042"); + break; + case FDC_BASE: /* FDC1 */ + np = of_find_node_by_type(NULL, "fdc"); + break; +#ifdef CONFIG_PPC_PREP + case _PIDXR: + case _PNPWRP: + case PNPBIOS_BASE: + /* implement me */ +#endif + default: + /* ipmi is supposed to fail here */ + break; + } + if (!np) + return ret; + parent = of_get_parent(np); + if (parent) { + if (strcmp(parent->type, "isa") == 0) + ret = 0; + of_node_put(parent); + } + of_node_put(np); + return ret; } EXPORT_SYMBOL(check_legacy_ioport); |