The upstream device tree changed the serial alias for MAIN UART1 from serial3 to serial1. Update the board initialization code to match this change by modifying the UCLASS_SERIAL sequence number lookup.
This ensures proper pin control configuration for the UART used by system firmware (SYSFW). Signed-off-by: Vishal Mahaveer <[email protected]> --- arch/arm/mach-k3/am64x/am642_init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-k3/am64x/am642_init.c b/arch/arm/mach-k3/am64x/am642_init.c index a15adf1cb1e..d6cc7a85aae 100644 --- a/arch/arm/mach-k3/am64x/am642_init.c +++ b/arch/arm/mach-k3/am64x/am642_init.c @@ -212,14 +212,14 @@ void board_init_f(ulong dummy) #if defined(CONFIG_K3_LOAD_SYSFW) /* - * Process pinctrl for serial3 a.k.a. MAIN UART1 module and continue + * Process pinctrl for serial1 a.k.a. MAIN UART1 module and continue * regardless of the result of pinctrl. Do this without probing the * device, but instead by searching the device that would request the * given sequence number if probed. The UART will be used by the system * firmware (SYSFW) image for various purposes and SYSFW depends on us * to initialize its pin settings. */ - ret = uclass_find_device_by_seq(UCLASS_SERIAL, 3, &dev); + ret = uclass_find_device_by_seq(UCLASS_SERIAL, 1, &dev); if (!ret) pinctrl_select_state(dev, "default"); -- 2.34.1
