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| author | Jonas Gorski <jogo@openwrt.org> | 2015-04-12 12:25:01 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-06-21 21:54:17 +0200 |
| commit | ca668a2da4687f23e65ce630742b6784a5fca595 (patch) | |
| tree | 9ed50423034d2205d609de7492967f65ff535394 /arch/mips | |
| parent | 0e12f4a3ab52f8be48c5ebbc556f53acb1afb280 (diff) | |
| download | linux-ca668a2da4687f23e65ce630742b6784a5fca595.tar.gz linux-ca668a2da4687f23e65ce630742b6784a5fca595.tar.bz2 linux-ca668a2da4687f23e65ce630742b6784a5fca595.zip | |
MIPS: BMIPS: Accept UHI interface for passing a dtb
Detect and use passed dtb address using the UHI interface. This allows for
booting with a vmlinux.bin appended dtb instead of using a built-in one.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: John Crispin <blogic@openwrt.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: James Hartley <James.Hartley@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/9742/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/bmips/setup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c index fae800e8b1e1..526ec2789bb9 100644 --- a/arch/mips/bmips/setup.c +++ b/arch/mips/bmips/setup.c @@ -149,6 +149,8 @@ void __init plat_mem_setup(void) /* intended to somewhat resemble ARM; see Documentation/arm/Booting */ if (fw_arg0 == 0 && fw_arg1 == 0xffffffff) dtb = phys_to_virt(fw_arg2); + else if (fw_arg0 == -2) /* UHI interface */ + dtb = (void *)fw_arg1; else if (__dtb_start != __dtb_end) dtb = (void *)__dtb_start; else |