diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2006-06-07 12:04:18 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-06-09 13:06:00 +1000 |
| commit | 133dda1e4f757e036fa838cba6804d0344931c4a (patch) | |
| tree | 1ca77025cb56fcacaee6f50501642784b568430e /arch/powerpc/kernel/prom_init.c | |
| parent | 33b7497794424181dca87f18e43ecbc07f86bba5 (diff) | |
| download | lwn-133dda1e4f757e036fa838cba6804d0344931c4a.tar.gz lwn-133dda1e4f757e036fa838cba6804d0344931c4a.zip | |
[PATCH] powerpc: Fix cell blade detection
The IBM Cell blade firmware might confuse the kernel to think it's a
pSeries machine. This fixes it for now. With a bit of luck, the firmware
will be updated to avoid that in the future but currently that patch is
needed.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index f393a3867430..f70bd090dacd 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1623,6 +1623,15 @@ static int __init prom_find_machine_type(void) if (strstr(p, RELOC("Power Macintosh")) || strstr(p, RELOC("MacRISC"))) return PLATFORM_POWERMAC; +#ifdef CONFIG_PPC64 + /* We must make sure we don't detect the IBM Cell + * blades as pSeries due to some firmware issues, + * so we do it here. + */ + if (strstr(p, RELOC("IBM,CBEA")) || + strstr(p, RELOC("IBM,CPBW-1.0"))) + return PLATFORM_GENERIC; +#endif /* CONFIG_PPC64 */ i += sl + 1; } } |