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authorArnd Bergmann <arnd@arndb.de>2006-06-07 12:04:18 +1000
committerPaul Mackerras <paulus@samba.org>2006-06-09 13:06:00 +1000
commit133dda1e4f757e036fa838cba6804d0344931c4a (patch)
tree1ca77025cb56fcacaee6f50501642784b568430e /arch/powerpc/kernel/prom_init.c
parent33b7497794424181dca87f18e43ecbc07f86bba5 (diff)
[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.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index f393a386743..f70bd090dac 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;
}
}