diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-09-24 10:10:38 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-09-25 08:18:44 +0400 |
| commit | 0c9fa29149d3726e14262aeb0c8461a948cc9d56 (patch) | |
| tree | c154e494cf2898fa88f5160cf816f30863e9c8cc /arch/powerpc/boot/of.c | |
| parent | cbc9565ee82694dec31d8137dec975b83175183b (diff) | |
| download | linux-0c9fa29149d3726e14262aeb0c8461a948cc9d56.tar.xz | |
powerpc/zImage: make the "OF" wrapper support ePAPR boot
This makes the "OF" zImage wrapper (zImage.pseries, zImage.pmac,
zImage.maple) work if booted via a flat device-tree (ePAPR boot
mode), and thus potentially usable with kexec.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/boot/of.c')
| -rw-r--r-- | arch/powerpc/boot/of.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/powerpc/boot/of.c b/arch/powerpc/boot/of.c index 61d9899aa0d0..62e2f43ec1df 100644 --- a/arch/powerpc/boot/of.c +++ b/arch/powerpc/boot/of.c @@ -26,6 +26,9 @@ static unsigned long claim_base; +void epapr_platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7); + static void *of_try_claim(unsigned long size) { unsigned long addr = 0; @@ -61,7 +64,7 @@ static void of_image_hdr(const void *hdr) } } -void platform_init(unsigned long a1, unsigned long a2, void *promptr) +static void of_platform_init(unsigned long a1, unsigned long a2, void *promptr) { platform_ops.image_hdr = of_image_hdr; platform_ops.malloc = of_try_claim; @@ -81,3 +84,14 @@ void platform_init(unsigned long a1, unsigned long a2, void *promptr) loader_info.initrd_size = a2; } } + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + /* Detect OF vs. ePAPR boot */ + if (r5) + of_platform_init(r3, r4, (void *)r5); + else + epapr_platform_init(r3, r4, r5, r6, r7); +} + |