[U-Boot] [PATCH v2] arm: socfpga: fix issue with warm reset when CSEL is 0

[Chin Liang See]

On Sel, 2017-02-14 at 10:28 -0800, Dalon Westergreen wrote:
> When CSEL=0x0 the socfpga bootrom does not touch the clock
> configuration for the device.  This can lead to a boot failure
> on warm resets.  To address this, the bootrom is configured to
> run a bit of code in the last 4KB of onchip ram on a warm reset.
> This code puts the PLLs in bypass, disables the bootrom configuration
> to run the code snippet, and issues a warm reset to run the bootrom.
> 
> Signed-off-by: Dalon Westergreen <dwesterg at gmail.com>
> 
> --
> Changes in V2:
>  - Fix checkpatch issues predominently due to whitespace issues
> ---
>  arch/arm/mach-socfpga/Makefile                     |  2 +-
>  arch/arm/mach-socfpga/include/mach/clock_manager.h | 26 +++++++-
>  arch/arm/mach-socfpga/include/mach/reset_manager.h |  4 ++
>  .../arm/mach-socfpga/include/mach/system_manager.h |  7 ++-
>  arch/arm/mach-socfpga/misc.c                       | 27 ++++++++
>  arch/arm/mach-socfpga/reset_clock_manager.S        | 71
> ++++++++++++++++++++++
>  6 files changed, 134 insertions(+), 3 deletions(-)
>  create mode 100644 arch/arm/mach-socfpga/reset_clock_manager.S
> 
> 

Acked-by: Chin Liang See <chin.liang.see at intel.com>

Thanks
Chin Liang