Messages in this thread Patch in this message | | | From | John Stultz <> | Subject | [RFC][PATCH 4/4 v2] arm64: dts: hikey: Add pstore support for HiKey | Date | Mon, 8 Aug 2016 16:48:40 -0700 |
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This patch reserves some memory in the DTS and sets up a pstore device tree node to enable pstore support on HiKey.
Cc: Kees Cook <keescook@chromium.org> Cc: Guodong Xu <guodong.xu@linaro.org> Cc: Haojian Zhuang <haojian.zhuang@linaro.org> Cc: Wei Xu <xuwei5@hisilicon.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: devicetree@vger.kernel.org Signed-off-by: John Stultz <john.stultz@linaro.org> --- v2: Quick rework to update to new ramoops format.
arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts index b2683e4..748d0dc 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts @@ -32,6 +32,7 @@ * 0x05f0,1000 - 0x05f0,1fff: Reboot reason * 0x06df,f000 - 0x06df,ffff: Mailbox message data * 0x0740,f000 - 0x0740,ffff: MCU firmware section + * 0x21f0,0000 - 0x21ff,ffff: pstore/ramoops buffer * 0x3e00,0000 - 0x3fff,ffff: OP-TEE */ memory@0 { @@ -40,9 +41,25 @@ <0x00000000 0x05f00000 0x00000000 0x00001000>, <0x00000000 0x05f02000 0x00000000 0x00efd000>, <0x00000000 0x06e00000 0x00000000 0x0060f000>, - <0x00000000 0x07410000 0x00000000 0x36bf0000>; + <0x00000000 0x07410000 0x00000000 0x1aaf0000>, + <0x00000000 0x22000000 0x00000000 0x1c000000>; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + ramoops@0x21f00000 { + compatible = "ramoops"; + reg = <0x0 0x21f00000 0x0 0x00100000>; + record-size = <0x00020000>; + console-size = <0x00020000>; + ftrace-size = <0x00020000>; + }; + }; + + reboot-mode-syscon@5f01000 { compatible = "syscon", "simple-mfd"; reg = <0x0 0x05f01000 0x0 0x00001000>; -- 1.9.1
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