[U-Boot] [PATCH v2 19/26] env: ti: am65x_evm: Add env support to boot the MCU R5F rprocs

[Tom Rini]

On Wed, Sep 04, 2019 at 04:01:44PM +0530, Lokesh Vutla wrote:

> From: Suman Anna <s-anna at ti.com>
> 
> Add support to boot the MCU domain R5F Core0 remoteproc at U-boot prompt
> on the AM65x EVM boards by using the 'boot_rprocs' and other env variables
> defined in the common environment file k3_rproc.h, and updating the
> 'DEFAULT_RPROCS' macro.
> 
> The default configuration is to use the MCU R5F in Split mode, so both
> the R5F Core0 and Core1 are started before loading and booting the Linux
> kernel using the following firmware:
>    MCU R5FSS0 Core0 (Split) : 0 /lib/firmware/am65x-mcu-r5f0_0-fw
>    MCU R5FSS0 Core1 (Split) : 1 /lib/firmware/am65x-mcu-r5f0_1-fw
> 
> The MCU R5FSS was initially running the R5 SPL in LockStep mode with ATCM
> disabled, and is actually shutdown to enable it to be reconfigured and
> booted by either A53 U-Boot or Linux kernel in remoteproc mode and using
> ATCM.
> 
> The MCU R5FSS would need to be reconfigured for Lockstep mode through
> DT if a fault-tolerant/safety application were to be run on the cluster
> with the DEFAULT_RPROCS macro updated to remove the Core1 firmware.
> 
> Signed-off-by: Suman Anna <s-anna at ti.com>
> Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>

Applied to u-boot/master, thanks!

-- 
Tom
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