On 09.09.22 14:18, Pali Rohár wrote:
Turris Omnia has two serial ports. Both are already specified in device
tree file. But U-Boot by default does not allow to use more than one serial
port unless CONFIG_SERIAL_PROBE_ALL is not enabled.
After enabling CONFIG_SERIAL_PROBE_ALL, U-Boot see also second serial port
(but is inactive by default):
=> coninfo
List of available devices:
serial@12000 00000007 IO stdin stdout stderr
serial@12100 00000007 IO
To allow simultaneously to use more input / output devices it is needed to
enable CONFIG_CONSOLE_MUX option.
With CONFIG_CONSOLE_MUX it is possible to call:
=> setenv stdout 'serial@12000,serial@12100'
And U-Boot output is then visible on both serial ports.
Signed-off-by: Pali Rohár <p...@kernel.org>
Reviewed-by: Stefan Roese <s...@denx.de>
Thanks,
Stefan
---
configs/turris_omnia_defconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/configs/turris_omnia_defconfig b/configs/turris_omnia_defconfig
index 4c9ec744e1b5..01dee5472200 100644
--- a/configs/turris_omnia_defconfig
+++ b/configs/turris_omnia_defconfig
@@ -35,6 +35,7 @@ CONFIG_FIT_VERBOSE=y
CONFIG_OF_BOARD_SETUP=y
CONFIG_BOOTDELAY=3
CONFIG_USE_PREBOOT=y
+CONFIG_CONSOLE_MUX=y
CONFIG_SYS_CONSOLE_INFO_QUIET=y
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_DISPLAY_BOARDINFO_LATE=y
@@ -105,6 +106,7 @@ CONFIG_PINCTRL_ARMADA_38X=y
CONFIG_DM_RTC=y
CONFIG_RTC_ARMADA38X=y
CONFIG_SCSI=y
+CONFIG_SERIAL_PROBE_ALL=y
CONFIG_SPL_DEBUG_UART_BASE=0xd0012000
CONFIG_DEBUG_UART_SHIFT=2
CONFIG_SYS_NS16550=y
Viele Grüße,
Stefan Roese
--
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Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: s...@denx.de