On Thu, Aug 26, 2021 at 09:28:59PM +0530, Aswath Govindraju wrote:

> On J721e R5 SPL, dfu buffer for loading sysfw.itb image gets allocated
> before DRAM gets initialized. So, the buffer gets allocated in MCU L3
> RAM. The current buffer size to be allocated is 256KB  and the available
> total heap memory is 0x70000 (448KB). This leads to NOMEM errors during
> allocation.
> 
> In other cases when constraints such as above are not present fix the size
> of buffers to the sector size in OSPI for proper functioning.
> 
> Also, if CONFIG_SYS_DFU_DATA_BUF_SIZE is defined and
> CONFIG_SYS_DFU_MAX_FILE_SIZE is not defined then the max file size for dfu
> transfer is defined as CONFIG_SYS_DFU_DATA_BUF_SIZE.
> 
> Fix these by setting appropriate buffer sizes in their respective defconfig
> files and defining the max file size as 8 MB which is the default dfu
> buffer size.
> 
> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>

Applied to u-boot/master, thanks!

-- 
Tom