[U-Boot] [PATCH] arm: tegra: Fix the CPU complex reset masks

[Stephen Warren]

On 11/25/2013 03:54 AM, Alban Bedel wrote:
> On Thu, 21 Nov 2013 13:26:07 -0700
> Stephen Warren <swarren at wwwdotorg.org> wrote:
> 
>> On 11/20/2013 09:42 AM, Alban Bedel wrote:
>>> The CPU complex reset masks are not matching with the datasheet for
>>> the CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET/CLR_0 registers. For both T20
>>> and T30 the register consist of groups of 4 bits, with one bit for
>>> each CPU core. On T20 the 2 high bits of each group are always stubbed
>>> as there is only 2 cores.
>>
>> This looks correct to me. Given this problem, it's surprising that
>> reset_A9_cpu() was operating correctly, and that secondary CPUs were
>> coming out of reset OK later. What testing has this had (which SoCs and
>> boards)?
> 
> I only tested it on T30 using our Tamonten NG board.

OK, I tested on all Tegra SoCs, and everything (including a CPU hotplug
test in a kernel once booted with the new U-Boot) still works, so,

Tested-by: Stephen Warren <swrren at nvidia.com>