AKASHI-san,
On Thu, Jun 27, 2019 at 10:08 AM AKASHI Takahiro
<takahiro.aka...@linaro.org> wrote:
>
> If U-Boot is loaded and started from TF-A (you need to change
> SYS_TEXT_BASE to 0x60000000), it will hang up at flash initialization.
>
> If secure mode is off (default, or -machine virt,secure=off) at qemu,
> it will provide dtb with two flash memory banks:
> flash@0 {
> bank-width = <0x4>;
> reg = <0x0 0x0 0x0 0x4000000 0x0 0x4000000 0x0 0x4000000>;
> compatible = "cfi-flash";
> };
> If secure mode is on, on the other hand, qemu provides dtb with 1 bank:
> flash@0 {
> bank-width = <0x4>;
> reg = <0x0 0x4000000 0x0 0x4000000>;
> compatible = "cfi-flash";
> };
>
> As a result, flash_init()/flash_get_size() will eventually fail.
> With this patch applied, relevant CONFIG values are modified.
>
> NOTE: you will not have to modify SYS_TEXT_BASE any more once
> Yamada-san's patch[1] is merged.
>
> [1] https://lists.denx.de/pipermail/u-boot/2019-June/374178.html
No. My patch is unrelated.
You are talking about CONFIG_POSITION_INDEPENDENT,
and you can enable it irrespective of my work.
--
Best Regards
Masahiro Yamada
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