[U-Boot] Move Cache-As-RAM memory from area mapped to ROM in QEMU

[Heinrich Schuchardt]

On 11/10/2017 06:51 PM, Anton Gerasimov wrote:
> ROM has been made read-only in qemu recently (namely commit
> 208fa0e43645edd0b0d8f838857dfc79daff40a8), so this patch restores
> compatibility between u-boot and qemu. It is still broken for me
> unless I set CONFIG_SMP=n and disable lapic (i.e. revert patch
> aaaa55751ab1e5a5cfa0962d604593a7e6f33ff6 in u-boot), but these are
> separate issues

I could not reproduce that reverting aaaa55751ab1 is necessary.
Your patch and CONFIG_SMP=n was suffcient to start U-Boot with
qemu-system-x86_64 version 2.10.1(Debian 1:2.10.0+dfsg-2)

Tested-by: Heinrich Schuchardt <xypron.glpk at gmx.de>

> 
> Signed-off-by: Anton Gerasimov <anton at advancedtelematic.com>
> ---
>   arch/x86/cpu/qemu/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/cpu/qemu/Kconfig b/arch/x86/cpu/qemu/Kconfig
> index 6808c9a6b9..f4b9922a34 100644
> --- a/arch/x86/cpu/qemu/Kconfig
> +++ b/arch/x86/cpu/qemu/Kconfig
> @@ -11,7 +11,7 @@ if QEMU
>   
>   config SYS_CAR_ADDR
>   	hex
> -	default 0xd0000
> +	default 0x10000
>   
>   config SYS_CAR_SIZE
>   	hex
>