Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 12 Apr 2024 17:14:19 -0500 | Subject | Re: [PATCH 6/7] arm64: dts: ti: k3-am69-sk: Remove HS400 mode support for eMMC | From | Judith Mendez <> |
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Hi,
On 4/11/24 11:53 PM, Kumar, Udit wrote: > Hi Judith > > On 4/12/2024 4:22 AM, Judith Mendez wrote: >> From: Dasnavis Sabiya <sabiya.d@ti.com> >> >> The eMMC fails to enumerate intermittently on HS400 mode. Also >> observing multiple CQE recovery warnings. >> Update the sdhci0 node to disable HS400 and set HS200 mode for >> eMMC node. >> >> Signed-off-by: Dasnavis Sabiya <sabiya.d@ti.com> >> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> >> --- >> arch/arm64/boot/dts/ti/k3-am69-sk.dts | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts >> b/arch/arm64/boot/dts/ti/k3-am69-sk.dts >> index 50de2a448a3a6..a677bb9200a35 100644 >> --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts >> +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts >> @@ -906,6 +906,7 @@ &main_sdhci0 { >> non-removable; >> ti,driver-strength-ohm = <50>; >> disable-wp; >> + no-mmc-hs400; > > > This is just WA to get rid of CQE errors. I prefer to hold this patch > under debug from hardware side is not complete.
ok, will drop this patch.
~ Judith
> >> }; >> &main_sdhci1 {
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