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MLK-14967-1 ARM64: dts: freescale: imx8qm: reserve DDR space for M4
authorAnson Huang <Anson.Huang@nxp.com>
Tue, 23 May 2017 12:05:28 +0000 (20:05 +0800)
committerNitin Garg <nitin.garg@nxp.com>
Mon, 19 Mar 2018 20:22:21 +0000 (15:22 -0500)
Reserve first 4M memory for below usage:

0x80000000 - 0x800fffff: ARM Trusted Firmware;
0x80100000 - 0x803fffff: M4/RPMSG;

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts patch | blob | history

diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts b/arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts
index fdc05bf..b8959b5 100644 (file)
--- a/arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts
@@ -16,7 +16,8 @@
 /dts-v1/;
 
 /* First 128KB is for PSCI ATF. */
-/memreserve/ 0x80000000 0x00020000;
+/* Last 3M is for M4/RPMSG */
+/memreserve/ 0x80000000 0x00400000;
 
 #include "fsl-imx8qm.dtsi"