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| author | Paul Mackerras <paulus@samba.org> | 2006-06-01 11:05:23 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-06-01 11:05:23 +0200 |
| commit | c029cc66cb3d83f70c02e0c182f0eed1419f8020 (patch) | |
| tree | b9ed887a0e6434fedebcbf90b3d2ba1aeff68a01 /arch/powerpc/kernel/prom_init.c | |
| parent | [PATCH] remove powerpc bitops in favor of existing generic bitops (diff) | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| download | linux-c029cc66cb3d83f70c02e0c182f0eed1419f8020.tar.xz linux-c029cc66cb3d83f70c02e0c182f0eed1419f8020.zip | |
Merge branch 'merge'
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 12fbdbb2d54a..5908690d0868 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1975,10 +1975,45 @@ static void __init flatten_device_tree(void) } - -static void __init fixup_device_tree(void) +#ifdef CONFIG_PPC_MAPLE +/* PIBS Version 1.05.0000 04/26/2005 has an incorrect /ht/isa/ranges property. + * The values are bad, and it doesn't even have the right number of cells. */ +static void __init fixup_device_tree_maple(void) { + phandle isa; + u32 isa_ranges[6]; + + isa = call_prom("finddevice", 1, 1, ADDR("/ht@0/isa@4")); + if (!PHANDLE_VALID(isa)) + return; + + if (prom_getprop(isa, "ranges", isa_ranges, sizeof(isa_ranges)) + == PROM_ERROR) + return; + + if (isa_ranges[0] != 0x1 || + isa_ranges[1] != 0xf4000000 || + isa_ranges[2] != 0x00010000) + return; + + prom_printf("fixing up bogus ISA range on Maple...\n"); + + isa_ranges[0] = 0x1; + isa_ranges[1] = 0x0; + isa_ranges[2] = 0x01002000; /* IO space; PCI device = 4 */ + isa_ranges[3] = 0x0; + isa_ranges[4] = 0x0; + isa_ranges[5] = 0x00010000; + prom_setprop(isa, "/ht@0/isa@4", "ranges", + isa_ranges, sizeof(isa_ranges)); +} +#else +#define fixup_device_tree_maple() +#endif + #if defined(CONFIG_PPC64) && defined(CONFIG_PPC_PMAC) +static void __init fixup_device_tree_pmac(void) +{ phandle u3, i2c, mpic; u32 u3_rev; u32 interrupts[2]; @@ -2015,9 +2050,16 @@ static void __init fixup_device_tree(void) parent = (u32)mpic; prom_setprop(i2c, "/u3@0,f8000000/i2c@f8001000", "interrupt-parent", &parent, sizeof(parent)); -#endif } +#else +#define fixup_device_tree_pmac() +#endif +static void __init fixup_device_tree(void) +{ + fixup_device_tree_maple(); + fixup_device_tree_pmac(); +} static void __init prom_find_boot_cpu(void) { |