imx8mq allocation issue

Heiko Thiery heiko.thiery at gmail.com
Tue Sep 13 09:25:43 CEST 2022


Hi Peng,

Am Di., 13. Sept. 2022 um 09:00 Uhr schrieb Peng Fan <peng.fan at oss.nxp.com>:
>
>
>
> On 9/12/2022 3:48 PM, Heiko Thiery wrote:
> > Hi Peng,
> >
> > Am Mo., 12. Sept. 2022 um 09:26 Uhr schrieb Peng Fan <peng.fan at oss.nxp.com>:
> >>
> >>
> >>
> >> On 9/9/2022 5:12 PM, Heiko Thiery wrote:
> >>> HI,
> >>>
> >>> I think on the imx8mq platform we have a problem with the introduction
> >>> of the clock driver. I tried to debug the problem that the pitx-imx8m
> >>> board was not able to start for some time. I was wondering why the
> >>> pitx-im8m doesn't work anymore although the imx8mq_evk is running.
> >>>
> >>> So I switched to the imx8mq_evk for counter testing. As I already
> >>> figured out in [1] also the imx8mq_evk is not able to start properly.
> >>>
> >>> On the EVK I enabled the DEBUG_UART and see the outputs below. I
> >>> suspect all imx8mq boards have this problem.
> >>>
> >>> CONFIG_DEBUG_UART_BASE=0x30860000      # for uart1
> >>> CONFIG_DEBUG_UART_CLOCK=24000000
> >>>
> >>> --- 8< ----
> >>> U-Boot SPL 2022.10-rc4-00038-ge3fce5e560-dirty (Sep 09 2022 - 10:51:29 +0200)
> >>> PMIC:  PFUZE100 ID=0x10
> >>> SEC0:  RNG instantiated
> >>> Normal Boot
> >>> Trying to boot from MMC2
> >>> clk_register: failed to get <NULL> device (parent of ckil)
> >>> clk_register: failed to get <NULL> device (parent of clock-osc-27m)
> >>> alloc space exhausted
> >>> alloc space exhausted
> >>> alloc space exhausted
> >>> alloc space exhausted
> >>
> >> Seems SPL_DM_CLK consumes the malloc space, so you meet such error.
> >>
> >
> > I dont think the SPL is the problem. Because the output appears after
> > "Trying to boot from MMC2".
> Do you have time to give a try?
>
> diff --git a/configs/imx8mq_evk_defconfig b/configs/imx8mq_evk_defconfig
> index cf207295e54..14b49ab5906 100644
> --- a/configs/imx8mq_evk_defconfig
> +++ b/configs/imx8mq_evk_defconfig
> @@ -2,6 +2,7 @@ CONFIG_ARM=y
>   CONFIG_ARCH_IMX8M=y
>   CONFIG_SYS_TEXT_BASE=0x40200000
>   CONFIG_SYS_MALLOC_LEN=0x600000
> +CONFIG_SYS_MALLOC_F_LEN=0x2800
>   CONFIG_SPL_GPIO=y
>   CONFIG_SPL_LIBCOMMON_SUPPORT=y
>   CONFIG_SPL_LIBGENERIC_SUPPORT=y
> @@ -36,7 +37,7 @@ 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
> diff --git a/include/configs/imx8mq_evk.h b/include/configs/imx8mq_evk.h
> index ea4305667f2..728b4f7e665 100644
> --- a/include/configs/imx8mq_evk.h
> +++ b/include/configs/imx8mq_evk.h
> @@ -16,8 +16,6 @@
>   /*#define CONFIG_ENABLE_DDR_TRAINING_DEBUG*/
>   #define CONFIG_SYS_SPL_PTE_RAM_BASE    0x41580000
>
> -/* malloc f used before GD_FLG_FULL_MALLOC_INIT set */
> -#define CONFIG_MALLOC_F_ADDR           0x182000
>   /* For RAW image gives a error info not panic */
>
>   #define CONFIG_POWER_PFUZE100
>

This has no positive effect.


By the way: I have to remove the hdmi_phy node. Otherwise the board is
no longer able to start:

--- 8< ---
U-Boot SPL 2022.10-rc4-00038-ge3fce5e560-dirty (Sep 13 2022 - 09:20:21 +0200)
pmic_alloc: No available memory for allocation!
power_pfuze100_init: POWER allocation error!
SEC0:  RNG instantiated
Normal Boot
Trying to boot from MMC2
þ
U-Boot SPL 2022.10-rc4-00038-ge3fce5e560-dirty (Sep 13 2022 - 09:20:21 +0200)
pmic_alloc: No available memory for allocation!
power_pfuze100_init: POWER allocation error!
SEC0:  RNG instantiated
Normal Boot
Trying to boot from MMC2
:
--- 8< ---

diff --git a/arch/arm/dts/imx8mq.dtsi b/arch/arm/dts/imx8mq.dtsi
index 49eadb081b..e0d1fd2b02 100644
--- a/arch/arm/dts/imx8mq.dtsi
+++ b/arch/arm/dts/imx8mq.dtsi
@@ -63,12 +63,12 @@
                clock-output-names = "osc_27m";
        };

-       hdmi_phy_27m: clock-hdmi-phy-27m {
-               compatible = "fixed-clock";
-               #clock-cells = <0>;
-               clock-frequency = <27000000>;
-               clock-output-names = "hdmi_phy_27m";
-       };
+//     hdmi_phy_27m: clock-hdmi-phy-27m {
+//             compatible = "fixed-clock";
+//             #clock-cells = <0>;
+//             clock-frequency = <27000000>;
+//             clock-output-names = "hdmi_phy_27m";
+//     };

        clk_ext1: clock-ext1 {
                compatible = "fixed-clock";

-- 
Heiko

> Thanks,
> Peng.
> >


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