RE: [PATCH v3 2/5] rpi: Set bootm_size to 512MB

["Jaehoon Chung" <jh80.chung@samsung.com>]

> -----Original Message-----
> From: U-Boot <u-boot-bounces@lists.denx.de> On Behalf Of Simon Glass
> Sent: Tuesday, December 10, 2024 4:55 AM
> To: U-Boot Mailing List <u-boot@lists.denx.de>
> Cc: Tom Rini <trini@konsulko.com>; Stephen Warren <swarren@wwwdotorg.org>; Stephen Warren
> <swarren@nvidia.com>; Matthias Brugger <mbrugger@suse.com>; Simon Glass <sjg@chromium.org>; Peter
> Robinson <pbrobinson@gmail.com>
> Subject: [PATCH v3 2/5] rpi: Set bootm_size to 512MB
>
> Set this option so that all boot images stay within the bottom 512MB of
> memory. This should allow us to drop the fdt_high and initrd_high
> options.
>
> Signed-off-by: Simon Glass <sjg@chromium.org>
> Reviewed-by: Tom Rini <trini@konsulko.com>
> Suggested-by: Tom Rini <trini@konsulko.com>

Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>


> ---
>
> Changes in v3:
> - Add to the existing comment block
>
> Changes in v2:
> - Add new patch to set bootm_size
>
>  board/raspberrypi/rpi/rpi.env | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/board/raspberrypi/rpi/rpi.env b/board/raspberrypi/rpi/rpi.env
> index 30228285edd..a327fccc77f 100644
> --- a/board/raspberrypi/rpi/rpi.env
> +++ b/board/raspberrypi/rpi/rpi.env
> @@ -60,7 +60,12 @@ dfu_alt_info+=zImage fat 0 1
>   * Even with the smallest possible CPU-GPU memory split of the CPU getting
>   * only 64M, the remaining 25M starting at 0x02700000 should allow quite
>   * large initrds before they start colliding with U-Boot.
> + *
> + * Limit bootm_size to 512MB so that all boot images stay within the bottom
> + * 512MB of memory
>   */
> +bootm_size=0x20000000
> +
>  #ifdef CONFIG_ARM64
>  fdt_high=ffffffffffffffff
>  initrd_high=ffffffffffffffff
> --
> 2.34.1