[U-Boot] [PATCH V3 4/4] arm: mx5: Avoid hardcoding memory sizes on M53EVK

Stefano Babic sbabic at denx.de
Tue Apr 1 10:20:37 CEST 2014


On 28/03/2014 08:31, Marek Vasut wrote:
> The DRAM size can be easily detected at runtime on i.MX53. Implement
> such detection on M53EVK and adjust the rest of the macros accordingly
> to use the detected values.
> 
> An important thing to note here is that we had to override the function
> for trimming the effective DRAM address, get_effective_memsize(). That
> is because the function uses CONFIG_MAX_MEM_MAPPED as the upper bound of
> the available DRAM and we don't have gd->bd->bi_dram[0].size set up at
> the time the function is called, thus we cannot put this into the macro
> CONFIG_MAX_MEM_MAPPED . Instead, we use custom override where we use the
> size of the first DRAM block which we just detected.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Fabio Estevam <fabio.estevam at freescale.com>
> Cc: Stefano Babic <sbabic at denx.de>
> Cc: Wolfgang Denk <wd at denx.de>
> ---
Applied to u-boot-imx, thanks !

Best regards,
Stefano Babic

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