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mpc85xx: reserve upper 1MB of RAM for WS-AP3825i

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The bootpage for the second core is placed by U-Boot in the upper 128k
of syste-memory.

This could either be a reserved-area or deducted from the total
system-memory. As only the latter is parsed by the bootwrapper, reduce
the available system memory for linux in order to preserve the bootpage
from being overwritten.

Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer 2023-04-02 17:52:16 +02:00
parent e3f31ff20d
commit 1d4d21481f
1 changed files with 2 additions and 1 deletions
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3
target/linux/mpc85xx/files/arch/powerpc/boot/dts/ws-ap3825i.dts
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@ -301,7 +301,8 @@
};
memory {
reg = <0x0 0x0 0x0 0x10000000>;
/* Reserve upper MB for second-core-bootpage */
reg = <0x0 0x0 0x0 0xff00000>;
};
soc@ffe00000 {