[PATCH] arm: pdu001: Fix early debugging UART

The changes from commit 0dba45864b2a ("arm: Init the debug UART") prevent the early debug UART from being initialized correctly. To fix this we not just configure the pin multiplexer but add setting up early clocks.
Signed-off-by: Felix Brack fb@ltec.ch ---
board/eets/pdu001/Makefile | 6 +----- board/eets/pdu001/board.c | 2 ++ 2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/board/eets/pdu001/Makefile b/board/eets/pdu001/Makefile index a5990ce3ad..35ea3978fe 100644 --- a/board/eets/pdu001/Makefile +++ b/board/eets/pdu001/Makefile @@ -6,8 +6,4 @@ # SPDX-License-Identifier: GPL-2.0+ #
-ifeq ($(CONFIG_$(SPL_)SKIP_LOWLEVEL_INIT),) -obj-y := mux.o -endif - -obj-y += board.o +obj-y := board.o mux.o diff --git a/board/eets/pdu001/board.c b/board/eets/pdu001/board.c index 9f3cfd4f84..8612c09d40 100644 --- a/board/eets/pdu001/board.c +++ b/board/eets/pdu001/board.c @@ -240,6 +240,8 @@ void sdram_init(void) #ifdef CONFIG_DEBUG_UART void board_debug_uart_init(void) { + setup_early_clocks(); + /* done by pin controller driver if not debugging */ enable_uart_pin_mux(CONFIG_DEBUG_UART_BASE); }

On Tue, Feb 15, 2022 at 03:27:23PM +0100, Felix Brack wrote:
The changes from commit 0dba45864b2a ("arm: Init the debug UART") prevent the early debug UART from being initialized correctly. To fix this we not just configure the pin multiplexer but add setting up early clocks.
Signed-off-by: Felix Brack fb@ltec.ch
Reviewed-by: Tom Rini trini@konsulko.com

On Tue, 15 Feb 2022 at 07:27, Felix Brack fb@ltec.ch wrote:
The changes from commit 0dba45864b2a ("arm: Init the debug UART") prevent the early debug UART from being initialized correctly. To fix this we not just configure the pin multiplexer but add setting up early clocks.
Signed-off-by: Felix Brack fb@ltec.ch
board/eets/pdu001/Makefile | 6 +----- board/eets/pdu001/board.c | 2 ++ 2 files changed, 3 insertions(+), 5 deletions(-)
Reviewed-by: Simon Glass sjg@chromium.org

On Tue, Feb 15, 2022 at 03:27:23PM +0100, Felix Brack wrote:
The changes from commit 0dba45864b2a ("arm: Init the debug UART") prevent the early debug UART from being initialized correctly. To fix this we not just configure the pin multiplexer but add setting up early clocks.
Signed-off-by: Felix Brack fb@ltec.ch Reviewed-by: Tom Rini trini@konsulko.com Reviewed-by: Simon Glass sjg@chromium.org
Applied to u-boot/master, thanks!
participants (3)
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Felix Brack
-
Simon Glass
-
Tom Rini