On Wed, Apr 7, 2021 at 1:32 AM <[email protected]> wrote: > On 4/7/21 1:16 AM, Derald Woods wrote: > > On Tue, Apr 6, 2021 at 4:40 AM Manuel Reis <[email protected] > > <mailto:[email protected]>> 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 <[email protected] > > <mailto:[email protected]>> > > CC: Eugen Hristev <[email protected] > > <mailto:[email protected]>> > > --- > > 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@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 <[email protected] > > <mailto:[email protected]>> > > > > 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 ? >
With just this patch on top of v2021.04, the board booted as expected. It did not work with v2021.01. So this patch works for "v2021.04" onward. I did not touch ddr2_init code. Derald > > Thanks, > Eugen >
