AuxXxilium/linux_dsm_epyc7002
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arm64: dts: Reserve memory regions for hi6220

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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>
This commit is contained in:
Leo Yan 2016-04-13 07:55:37 +08:00 committed by Wei Xu
parent f55532a0c0
commit 6da3aba6f0
1 changed files with 12 additions and 4 deletions
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16
arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
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@ -7,9 +7,6 @@
/dts-v1/;
/*Reserved 1MB memory for MCU*/
/memreserve/ 0x05e00000 0x00100000;
#include "hi6220.dtsi"
/ {
@ -27,9 +24,20 @@ chosen {
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>;
};
};