[PATCH V2] Kconfig: enlarge CONFIG_SYS_MALLOC_F_LEN

[Heiko Thiery]

Hi,

Am Do., 15. Sept. 2022 um 02:53 Uhr schrieb Peng Fan (OSS)
<peng.fan at oss.nxp.com>:
>
> From: Peng Fan <peng.fan at nxp.com>
>
> "alloc space exhausted" happens in very early stage, which could be seen
> with DEBUG_UART options enabled and leeds to an non-functional board.
>
> kontron_pitx_imx8m:
> CONFIG_DEBUG_UART_BASE=0x30880000   # for serial3
> CONFIG_DEBUG_UART_CLOCK=24000000
>
> imx8mqevk:
> CONFIG_DEBUG_UART_BASE=0x30860000      # for uart1
> CONFIG_DEBUG_UART_CLOCK=24000000
>
> It is because CONFIG_SYS_MALLOC_F_LEN is too small and still leave
> CONFIG_SPL_SYS_MALLOC_F_LEN as 0x2000.
>
> Reported-by: Heiko Thiery <heiko.thiery at gmail.com>
> Signed-off-by: Peng Fan <peng.fan at nxp.com>

Reviewed-by: Heiko Thiery <heiko.thiery at gmail.com>
Tested-by: Heiko Thiery <heiko.thiery at gmail.com>

Tested on:
- kontron-pitx-imx8m
- imx8mq_evk

> ---
>
> V2:
>  set for all i.MX8MQ
>
>  Kconfig | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Kconfig b/Kconfig
> index 991b260182e..c8c22555a94 100644
> --- a/Kconfig
> +++ b/Kconfig
> @@ -299,7 +299,7 @@ config SYS_MALLOC_F_LEN
>         default 0x4000 if SANDBOX || RISCV || ARCH_APPLE || ROCKCHIP_RK3368 || \
>                           ROCKCHIP_RK3399
>         default 0x8000 if RCAR_GEN3
> -       default 0x10000 if ARCH_IMX8 || (ARCH_IMX8M && !IMX8MQ)
> +       default 0x10000 if ARCH_IMX8 || ARCH_IMX8M
>         default 0x2000
>         help
>           Before relocation, memory is very limited on many platforms. Still,
> @@ -325,6 +325,7 @@ config SPL_SYS_MALLOC_F_LEN
>         depends on SYS_MALLOC_F && SPL
>         default 0 if !SPL_FRAMEWORK
>         default 0x2800 if RCAR_GEN3
> +       default 0x2000 if IMX8MQ
>         default SYS_MALLOC_F_LEN
>         help
>           In SPL memory is very limited on many platforms. Still,
> --
> 2.36.0
>