[U-Boot] [PATCH 0/2]: arm: Provide lowlevel_init C function wrapper for v7

Stefano Babic sbabic at denx.de
Mon Aug 13 09:48:02 CEST 2012


On 09/08/2012 18:01, Tom Rini wrote:
> Hey all,
> 

Hi Tom,

> As Allen Martin noted, on tegra platforms a bug is exposed when using
> certain toolchains that currently calls to lowlevel_init must be calls
> to another assembly function as the stack is not explicitly setup /
> saved and thus register corruption can occur.  Over in TI-land Aneesh V
> wrote a lowlevel_init that sets up the stack and calls s_init which is a
> C function that does what lowlevel_init does on other platforms.  The
> code is generic to at least v7, so this series moves it to
> arch/arm/cpu/armv7.

Then as far as I can see in your patch, other armv7 can profit as well,
such as the i.MX5 and i.MX6 ;-)

The only issue is to generalize the entry point for the function to
setup PLL and or pinmux. It should be enough to change lowlevel_init to
s_init in i.MX to do the job.

Best regards,
Stefano

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