[PATCH 4/4] arm64: dts: hikey: Add pstore support for HiKey
John Stultz
john.stultz at linaro.org
Mon Aug 22 15:48:05 PDT 2016
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 at chromium.org>
Cc: Guodong Xu <guodong.xu at linaro.org>
Cc: Haojian Zhuang <haojian.zhuang at linaro.org>
Cc: Wei Xu <xuwei5 at hisilicon.com>
Cc: Rob Herring <robh+dt at kernel.org>
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will.deacon at arm.com>
Cc: linux-arm-kernel at lists.infradead.org
Cc: devicetree at vger.kernel.org
Reviewed-by: Kees Cook <keescook at chromium.org>
Signed-off-by: John Stultz <john.stultz at linaro.org>
---
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
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