On 08.01.25 16:27, Konstantin Kletschke wrote:
> More like this?
>
> On Wed, Jan 08, 2025 at 04:19:49PM +0100, Ahmad Fatoum wrote:
>>
>> It would be nice to have the comment more verbose. e.g. that this issue
>> was observed on new Seeed-produced BBBs is an intersting info IMO.
>
> arch/arm/boards/beaglebone/lowlevel.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm/boards/beaglebone/lowlevel.c b/arch/arm/boards/beaglebone/lowlevel.c
> index 5dc49dfaaf..7dc338d03a 100644
> --- a/arch/arm/boards/beaglebone/lowlevel.c
> +++ b/arch/arm/boards/beaglebone/lowlevel.c
> @@ -97,6 +97,12 @@ extern char __dtb_z_am335x_boneblack_start[];
> extern char __dtb_z_am335x_bone_common_start[];
> extern char __dtb_z_am335x_bone_start[];
>
> +static void __udelay(int us)
> +{
> + volatile int i;
> + for (i = 0; i < us; i++);
> +}
> +
> /**
> * @brief The basic entry point for board initialization.
> *
> @@ -135,6 +141,12 @@ static noinline int beaglebone_sram_init(void)
> am33xx_enable_uart0_pin_mux();
> omap_debug_ll_init();
> putc_ll('>');
> + /*
> + * Some (~5%) Beaglebone Black received from SEEED in batches
> + * after autumn 2024 require a delay to be able to warm start
> + * after reset
Sounds good. Please add
Link: https://lore.barebox.org/barebox/Z0gywL2hLcIDoLQ8@hephaistos/
to your commit message before the S-o-b and then it's good to go, I think.
Thanks,
Ahmad
> + */
> + __udelay(3000);
>
> barebox_arm_entry(0x80000000, sdram_size, fdt);
> }
>
>
>
>
>
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