It's not obvious which UART to chose when trying to get DEBUG_LL output from a board. Start improving the situation by adding a comment describing which options to enable.
Signed-off-by: Sascha Hauer <[email protected]> --- arch/arm/boards/embest-riotboard/lowlevel.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boards/embest-riotboard/lowlevel.c b/arch/arm/boards/embest-riotboard/lowlevel.c index 3aae39f75f70601a0da7b061a5bd2b922a3e1cea..f1b37c2aa00d44ad8a2091abf21584ca531b7794 100644 --- a/arch/arm/boards/embest-riotboard/lowlevel.c +++ b/arch/arm/boards/embest-riotboard/lowlevel.c @@ -21,6 +21,10 @@ ENTRY_FUNCTION(start_imx6s_riotboard, r0, r1, r2) imx6_cpu_lowlevel_init(); if (IS_ENABLED(CONFIG_DEBUG_LL)) { + /* + * CONFIG_DEBUG_IMX6Q_UART=y + * CONFIG_DEBUG_IMX_UART_PORT=2 + */ writel(0x4, 0x020e016c); imx6_ungate_all_peripherals(); imx6_uart_setup_ll(); -- 2.47.3
