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(parent: bf9382a) | patch
imx: imx8qm/qxp: reserving DDR memory for M4
authorPeng Fan <peng.fan@nxp.com>
Tue, 5 May 2020 12:28:37 +0000 (20:28 +0800)
committerStefano Babic <sbabic@denx.de>
Sun, 10 May 2020 18:55:20 +0000 (20:55 +0200)
commitf44afd546f6236479581469e1fb969c9ce9f9eac
treefb9d383b46afefed317d82eddf6a28348cfb09c8tree | snapshot
parentbf9382addf94c9b90033a1eac5522afae9b7a0d7commit | diff
imx: imx8qm/qxp: reserving DDR memory for M4

The DDR memory from 0x88000000 to 0x8FFFFFFF is assigned to M4 on
QM and QXP. The M4 can allocate this memory by two ways,
in SCD or u-boot.

In this patch, u-boot addes the memory reserve node to DTB to pass
the info to kernel, no matter the M4 memory is reserved in SCD
or u-boot. So kernel won't access M4 reserved memory.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
arch/arm/mach-imx/imx8/Kconfig diff | blob | history
arch/arm/mach-imx/imx8/fdt.c diff | blob | history
My U-Boot fork