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| author | Jaedon Shin <jaedon.shin@gmail.com> | 2016-09-30 23:17:34 +0900 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-10-06 17:31:02 +0200 |
| commit | d66698e0834657161314050b6c99c3eba36b180a (patch) | |
| tree | df7d03862e9d742082f27a0b36697facede3163d /arch/mips | |
| parent | a2c510a2d0418ce15cd739d0a177ce53b06e5695 (diff) | |
| download | lwn-d66698e0834657161314050b6c99c3eba36b180a.tar.gz lwn-d66698e0834657161314050b6c99c3eba36b180a.zip | |
MIPS: BMIPS: Support APPENDED_DTB
Use appended DTB when available.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14337/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/bmips/setup.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c index edf1b31df10b..3b6f687f177c 100644 --- a/arch/mips/bmips/setup.c +++ b/arch/mips/bmips/setup.c @@ -17,6 +17,7 @@ #include <linux/of.h> #include <linux/of_fdt.h> #include <linux/of_platform.h> +#include <linux/libfdt.h> #include <linux/smp.h> #include <asm/addrspace.h> #include <asm/bmips.h> @@ -152,6 +153,8 @@ void __init plat_time_init(void) mips_hpt_frequency = freq; } +extern const char __appended_dtb; + void __init plat_mem_setup(void) { void *dtb; @@ -161,6 +164,11 @@ void __init plat_mem_setup(void) ioport_resource.start = 0; ioport_resource.end = ~0; +#ifdef CONFIG_MIPS_ELF_APPENDED_DTB + if (!fdt_check_header(&__appended_dtb)) + dtb = (void *)&__appended_dtb; + else +#endif /* intended to somewhat resemble ARM; see Documentation/arm/Booting */ if (fw_arg0 == 0 && fw_arg1 == 0xffffffff) dtb = phys_to_virt(fw_arg2); |