[PATCH] Added FDT PAD memory size while reserving memory for FDT to avoid some memory corruption issue

[Tom Rini]

On Fri, Feb 09, 2024 at 01:22:08PM +0530, Selvakumar Velandi wrote:
> Hi,
> 
> Issue:
> Linux kernel getting crash after loading kernel in VM system using RISCV
> QEMU.
> 
> RootCause:
> Memory corruption in uboot FDT memory while launching a VM system in RISCV
> QEMU.
> 
> Fix:
> In the board_f.c file the FDT memory region is reserved without FDT padding
> bytes. uboot will add some params like bootargs while launching linux.
> While relocate the FDT, if its decided as run in the Fixed memory location
> i.e fdy_high is set as -1, then the padding bytes not added while
> relocating the FDT,

Do not disable fdt relocation. The RISC-V platforms which do this today
are broken.

-- 
Tom
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