On 06/09/2023 12:24, Konrad Dybcio wrote:
Newer RB1 board revisions have a debug UART on QUP0. Sadly, it looks
Nit: I think this is '.. revisions should have...'. Because I was told
that the board I got is the final design / production.
like even when ordering one in retail, customers receive prototype
boards with "Enginering Sample" written on them.
Use QUP4 for UART to make all known RB1 boards boot.
Fixes: e18771961336 ("arm64: dts: qcom: Add initial QTI RB1 device tree")
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Reported-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
index eadba066972e..5cda5b761455 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
@@ -13,7 +13,7 @@ / {
compatible = "qcom,qrb2210-rb1", "qcom,qrb2210", "qcom,qcm2290";
aliases {
- serial0 = &uart0;
+ serial0 = &uart4;
sdhc1 = &sdhc_1;
sdhc2 = &sdhc_2;
};
@@ -357,7 +357,7 @@ key_volp_n: key-volp-n-state {
};
/* UART connected to the Micro-USB port via a FTDI chip */
-&uart0 {
+&uart4 {
compatible = "qcom,geni-debug-uart";
status = "okay";
};
--
With best wishes
Dmitry
