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authorLeo Yan <leo.yan@linaro.org>2016-04-13 07:55:37 +0800
committerWei Xu <xuwei5@hisilicon.com>2016-04-15 16:11:32 +0100
commit6da3aba6f056b861c9f54ef104425ceb5e9389ad (patch)
tree95c224f70533047e6d2cbf5afeaf62992a18a0fe /arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
arm64: dts: Reserve memory regions for hi6220
On Hi6220, below memory regions in DDR have specific purpose: 0x05e0,0000 - 0x05ef,ffff: For MCU firmware using at runtime; 0x06df,f000 - 0x06df,ffff: For mailbox message data; 0x0740,f000 - 0x0740,ffff: For MCU firmware's section; 0x3e00,0000 - 0x3fff,ffff: For OP-TEE. This patch reserves these memory regions in DT. Signed-off-by: Leo Yan <leo.yan@linaro.org> Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Diffstat (limited to 'arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts')
-rw-r--r--arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index 818525197508..17bd7932260f 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -7,9 +7,6 @@
/dts-v1/;
-/*Reserved 1MB memory for MCU*/
-/memreserve/ 0x05e00000 0x00100000;
-
#include "hi6220.dtsi"
/ {
@@ -27,9 +24,20 @@
stdout-path = "serial3:115200n8";
};
+ /*
+ * Reserve below regions from memory node:
+ *
+ * 0x05e0,0000 - 0x05ef,ffff: MCU firmware runtime using
+ * 0x06df,f000 - 0x06df,ffff: Mailbox message data
+ * 0x0740,f000 - 0x0740,ffff: MCU firmware section
+ * 0x3e00,0000 - 0x3fff,ffff: OP-TEE
+ */
memory@0 {
device_type = "memory";
- reg = <0x0 0x0 0x0 0x40000000>;
+ reg = <0x00000000 0x00000000 0x00000000 0x05e00000>,
+ <0x00000000 0x05f00000 0x00000000 0x00eff000>,
+ <0x00000000 0x06e00000 0x00000000 0x0060f000>,
+ <0x00000000 0x07410000 0x00000000 0x36bf0000>;
};
};