[U-Boot] [PATCH v2 18/26] env: ti: j721e-evm: Add support to boot rprocs including R5Fs and DSPs

Tom Rini trini at konsulko.com
Sat Oct 12 20:25:41 UTC 2019

On Wed, Sep 04, 2019 at 04:01:43PM +0530, Lokesh Vutla wrote:

> From: Suman Anna <s-anna at ti.com>
> Add support to boot some remoteprocs at U-boot prompt on the J721E 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 list of R5F cores to be started before loading and booting the Linux
> kernel are as follows, and in this order:
>    Main R5FSS0 (Split) Core1 : 3 /lib/firmware/j7-main-r5f0_1-fw
>    Main R5FSS1 (LockStep)    : 4 /lib/firmware/j7-main-r5f1_0-fw
> The MCU R5FSS0 and Main R5FSS1 are currently in LockStep mode, so the
> equivalent Core1 rprocs (rproc #1 and #5) are not included. The Main
> R5FSS0 Core0 (rproc #2) is already started by R5 SPL, so is not included
> in the list either.
> The DSP cores are started in the following order before loading and
> booting the Linux kernel:
>    C66_0: 6 /lib/firmware/j7-c66_0-fw
>    C66_1: 7 /lib/firmware/j7-c66_1-fw
>    C71_0: 8 /lib/firmware/j7-c71_0-fw
> The order of the rprocs to boot can be changed at runtime if desired by
> overwriting the 'rproc_fw_binaries' environment variable at U-boot prompt.
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
> 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!

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