[U-Boot] [PATCH] arm: socfpga: fix SPL booting from fpga OnChip RAM

[Simon Goldschmidt]

Marek Vasut <marex at denx.de> schrieb am Mo., 8. Okt. 2018, 02:20:

> On 10/07/2018 01:08 PM, Simon Goldschmidt wrote:
> > On 06.10.2018 22:38, Tom Rini wrote:
> >> On Sat, Oct 06, 2018 at 10:33:42PM +0200, Simon Goldschmidt wrote:
> >>
> >>> This patch prevents disabling the FPGA bridges when
> >>> SPL or U-Boot is executed from FPGA onchip RAM.
> >>>
> >>> Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>
> >>> ---
> >>>
> >>>
> >>> There are other patches required to make boot from
> >>> FPGA work correctly:
> >>> - CONFIG_SPL_TEXT_BASE needs to be set to 0xC0000000
> >>>    ideally this is done by moving SPL_TEXT_BASE to Kconfig:
> >>>    https://patchwork.ozlabs.org/patch/976918/
> >>> - spl_ram.c needs this patch by Michal Simek:
> >>>    https://patchwork.ozlabs.org/patch/978694/
> >>> - For U-Boot to be run from FPGA onchip RAM, either
> >>>    CONFIG_SYS_EXTRA_ENV_RELOC needs to be used or this patch
> >>>    is required to relocate gd->env_addr:
> >>>    https://patchwork.ozlabs.org/patch/975702/
> >> For the record, I'm currently reviewing the last two parts here.  The
> >> first one will come soon (I do Kconfig migrations separate so I can see
> >> a lack of size change).
> >
> >
> > OK, after Tom merged the last to parts, I can confirm I can successfully
> > boot from FPGA by adapting CONFIG_SYS_TEXT_BASE via config and hacking
> > CONFIG_SPL_TEXT_BASE to 0xC0000000 (as moving this to Kconfig is still
> > missing).
>
> So is this patch still needed ?
>

Yes, sorry for being unclear there.

Simon