[PATCH v2] ARM: dts: at91: sama5d3: add u-boot properties to sama5d3 pit timer
Eugen.Hristev at microchip.com
Eugen.Hristev at microchip.com
Wed Apr 7 08:32:31 CEST 2021
On 4/7/21 1:16 AM, Derald Woods wrote:
> On Tue, Apr 6, 2021 at 4:40 AM Manuel Reis <mluis.reis at gmail.com
> <mailto:mluis.reis at gmail.com>> wrote:
>
> in the early SPL boot stage whenever there is a call to udelay,
> dm_timer_init fails to find the pit timer whenever it traverses
> the device tree, if this property is not present
>
> Signed-off-by: Manuel Reis <mluis.reis at gmail.com
> <mailto:mluis.reis at gmail.com>>
> CC: Eugen Hristev <eugen.hristev at microchip.com
> <mailto:eugen.hristev at microchip.com>>
> ---
> arch/arm/dts/sama5d3.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/dts/sama5d3.dtsi b/arch/arm/dts/sama5d3.dtsi
> index 6ed218eaad..42c30e9f30 100644
> --- a/arch/arm/dts/sama5d3.dtsi
> +++ b/arch/arm/dts/sama5d3.dtsi
> @@ -1320,6 +1320,7 @@
> reg = <0xfffffe30 0xf>;
> interrupts = <3 IRQ_TYPE_LEVEL_HIGH 5>;
> clocks = <&mck>;
> + u-boot,dm-pre-reloc;
> };
>
> watchdog at fffffe40 {
> --
> 2.27.0
>
>
> This patch, on top of v2021.04, allows my SAMA5D3 Xplained board to boot
> normally again.
>
> Tested-by: Derald D. Woods <woods.technical at gmail.com
> <mailto:woods.technical at gmail.com>>
>
Hi Derald,
Could I ask, you are using the SPL to boot your board ?
Did you have to remove any udelay from the ddr2_init code , or it booted
out of the box by applying this patch only ?
Thanks,
Eugen
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