From mboxrd@z Thu Jan 1 00:00:00 1970 From: john.stultz@linaro.org (John Stultz) Date: Mon, 22 Aug 2016 15:48:05 -0700 Subject: [PATCH 4/4] arm64: dts: hikey: Add pstore support for HiKey In-Reply-To: <1471906085-16682-1-git-send-email-john.stultz@linaro.org> References: <1471906085-16682-1-git-send-email-john.stultz@linaro.org> Message-ID: <1471906085-16682-4-git-send-email-john.stultz@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Cc: Guodong Xu Cc: Haojian Zhuang Cc: Wei Xu Cc: Rob Herring Cc: Mark Rutland Cc: Catalin Marinas Cc: Will Deacon Cc: linux-arm-kernel at lists.infradead.org Cc: devicetree at vger.kernel.org Reviewed-by: Kees Cook Signed-off-by: John Stultz --- 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 4492a15..9508f28 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 at 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 at 0x21f00000 { + compatible = "ramoops"; + reg = <0x0 0x21f00000 0x0 0x00100000>; + record-size = <0x00020000>; + console-size = <0x00020000>; + ftrace-size = <0x00020000>; + }; + }; + + reboot-mode-syscon at 5f01000 { compatible = "syscon", "simple-mfd"; reg = <0x0 0x05f01000 0x0 0x00001000>; -- 1.9.1