diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2005-12-04 18:39:48 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-01-09 14:52:31 +1100 |
| commit | dcee30361d25ea83499a99f921f9a56b4a1a79e7 (patch) | |
| tree | 3ec01e42ba916047c370925e6d8ede1ae96293bf /arch/powerpc/kernel/prom.c | |
| parent | cc53291521701f9c7c7265bbb3c140563174d8b2 (diff) | |
[PATCH] powerpc: Parse crashkernel= parameter in first kernel
This patch adds code to parse and setup the crash kernel resource in the
first kernel. PPC64 ignores the @x part, we always run at 32 MB.
Signed-off-by: Haren Myneni <haren@us.ibm.com>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 9aac77ca3167..fddc9c13bff5 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -29,6 +29,7 @@ #include <linux/initrd.h> #include <linux/bitops.h> #include <linux/module.h> +#include <linux/kexec.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -1198,6 +1199,16 @@ static int __init early_init_dt_scan_chosen(unsigned long node, } #endif /* CONFIG_PPC_RTAS */ +#ifdef CONFIG_KEXEC + lprop = (u64*)of_get_flat_dt_prop(node, "linux,crashkernel-base", NULL); + if (lprop) + crashk_res.start = *lprop; + + lprop = (u64*)of_get_flat_dt_prop(node, "linux,crashkernel-size", NULL); + if (lprop) + crashk_res.end = crashk_res.start + *lprop - 1; +#endif + /* break now */ return 1; } |