[PATCH] imx8mq_evk: enlarge SYS_MALLOC_F_LEN

Heiko Thiery heiko.thiery at gmail.com
Wed Sep 14 09:21:15 CEST 2022


Hi,

Am Mi., 14. Sept. 2022 um 06:12 Uhr schrieb Heiko Thiery
<heiko.thiery at gmail.com>:
>
> Hi,
>
> Am Mi., 14. Sept. 2022 um 03:38 Uhr schrieb Peng Fan (OSS)
> <peng.fan at oss.nxp.com>:
> >
> > From: Peng Fan <peng.fan at nxp.com>
> >
> > There is "alloc space exhausted" with DEBUG_UART enabled with the
> > options enabled.

I don't think the explanation is right. The alloc problem is also
there if you don't enable DEBUG_UART. But only with enabled DEBUG_UART
you can see the output message(s).

> >
> > CONFIG_DEBUG_UART_BASE=0x30860000      # for uart1
> > CONFIG_DEBUG_UART_CLOCK=24000000
> >
> > It is because CONFIG_SYS_MALLOC_F_LEN is too small, enlarge it. And set
> > CONFIG_SPL_STACK to 0x188000 to not waste the top 16bytes.
>
> When changing these values on the kontron_pitx_imx8m_defconfig this
> board also works again.
> Maybe it could be a good idea to change these values for all imx8mq boards.
>
> >
> > Reported-by: Heiko Thiery <heiko.thiery at gmail.com>
> > Signed-off-by: Peng Fan <peng.fan at nxp.com>
>
> Tested-by: Heiko Thiery <heiko.thiery at gmail.com>
>
> > ---
> >  configs/imx8mq_evk_defconfig | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/configs/imx8mq_evk_defconfig b/configs/imx8mq_evk_defconfig
> > index cf207295e54..d877a1290f9 100644
> > --- a/configs/imx8mq_evk_defconfig
> > +++ b/configs/imx8mq_evk_defconfig
> > @@ -2,6 +2,8 @@ CONFIG_ARM=y
> >  CONFIG_ARCH_IMX8M=y
> >  CONFIG_SYS_TEXT_BASE=0x40200000
> >  CONFIG_SYS_MALLOC_LEN=0x600000
> > +CONFIG_SYS_MALLOC_F_LEN=0x10000
> > +CONFIG_SPL_SYS_MALLOC_F_LEN=0x2000
> >  CONFIG_SPL_GPIO=y
> >  CONFIG_SPL_LIBCOMMON_SUPPORT=y
> >  CONFIG_SPL_LIBGENERIC_SUPPORT=y
> > @@ -36,7 +38,7 @@ CONFIG_SPL_BSS_START_ADDR=0x180000
> >  CONFIG_SPL_BSS_MAX_SIZE=0x2000
> >  CONFIG_SPL_BOARD_INIT=y
> >  # CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
> > -CONFIG_SPL_STACK=0x187ff0
> > +CONFIG_SPL_STACK=0x188000
> >  CONFIG_SYS_SPL_MALLOC=y
> >  CONFIG_HAS_CUSTOM_SPL_MALLOC_START=y
> >  CONFIG_CUSTOM_SYS_SPL_MALLOC_ADDR=0x42200000
> > --
> > 2.36.0
> >
>
> Thank you
> --
> Heiko


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