If debug UART is set to anything other than UARTD, U-Boot's SPL hangs trying to communicate with UARTD which clock won't be ungated. With this patch it is possible to boot with UARTA enabled.
Signed-off-by: Artur Kowalski <arturkow2...@gmail.com> --- include/configs/transformer-t20.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/configs/transformer-t20.h b/include/configs/transformer-t20.h index 6a3d9b24036..d3a98cc5a70 100644 --- a/include/configs/transformer-t20.h +++ b/include/configs/transformer-t20.h @@ -16,7 +16,17 @@ #define CFG_TEGRA_BOARD_STRING "ASUS Transformer" /* Board-specific serial config */ +#if defined(CONFIG_TEGRA_ENABLE_UARTA) +#define CFG_SYS_NS16550_COM1 NV_PA_APB_UARTA_BASE +#elif defined(CONFIG_TEGRA_ENABLE_UARTB) +#define CFG_SYS_NS16550_COM1 NV_PA_APB_UARTB_BASE +#elif defined(CONFIG_TEGRA_ENABLE_UARTC) +#define CFG_SYS_NS16550_COM1 NV_PA_APB_UARCD_BASE +#elif defined(CONFIG_TEGRA_ENABLE_UARTD) #define CFG_SYS_NS16550_COM1 NV_PA_APB_UARTD_BASE +#elif defined(CONFIG_TEGRA_ENABLE_UARTE) +#define CFG_SYS_NS16550_COM1 NV_PA_APB_UARTE_BASE +#endif #include "tegra-common-post.h" -- 2.48.1
