[U-Boot-Users] How to disable serial console completely?

[Carl Riechers]

Does setting bootdelay to zero meet your requirements?

Carl

--- Sam Song <samsongshu at yahoo.com.cn> wrote:

> Hi,
> 
> I'd like to mask serial console totally for system
> deployment. When I set the console output by
> '#define 
> CONFIG_8xx_CONS_NONE  1' and made a LCD image, I got
> the following compiling errors. What should I do
> next
> to disable serial console completely?
> 
> Yeah, README mentions it a little but not enough, I
> am
> afraid. I think there should be a switch in
> <board.h>
> to disable the serial console simply. Any idea?
> 
>                 -Map u-boot.map -o u-boot
> cpu/mpc8xx/libmpc8xx.a(lcd.o): In function
> `lcd_putc':
> /home/BK/lite_dw_u-boot/cpu/mpc8xx/lcd.c:535:
> undefined reference to `serial_putc'
> cpu/mpc8xx/libmpc8xx.a(lcd.o): In function
> `lcd_puts':
> /home/BK/lite_dw_u-boot/cpu/mpc8xx/lcd.c:574:
> undefined reference to `serial_puts'
> lib_ppc/libppc.a(board.o): In function
> `mem_malloc_init':
> /home/BK/lite_dw_u-boot/lib_ppc/board.c:130:
> undefined
> reference to `serial_init'
> common/libcommon.a(cmd_load.o): In function
> `do_load_serial_bin':
> /home/BK/lite_dw_u-boot/common/cmd_load.c:470:
> undefined reference to `serial_setbrg'
> /home/BK/lite_dw_u-boot/common/cmd_load.c:498:
> undefined reference to `serial_setbrg'
> common/libcommon.a(cmd_nvedit.o): In function
> `_do_setenv':
> /home/BK/lite_dw_u-boot/common/cmd_nvedit.c:244:
> undefined reference to `serial_setbrg'
> common/libcommon.a(console.o): In function
> `serial_printf':
> /home/BK/lite_dw_u-boot/common/console.c:113:
> undefined reference to `serial_puts'
> common/libcommon.a(console.o): In function `getc':
> /home/BK/lite_dw_u-boot/common/console.c:174:
> undefined reference to `serial_getc'
> common/libcommon.a(console.o): In function `tstc':
> /home/BK/lite_dw_u-boot/common/console.c:187:
> undefined reference to `serial_tstc'
> common/libcommon.a(console.o): In function `putc':
> /home/BK/lite_dw_u-boot/common/console.c:204:
> undefined reference to `serial_putc'
> common/libcommon.a(console.o): In function `puts':
> /home/BK/lite_dw_u-boot/common/console.c:222:
> undefined reference to `serial_puts'
> common/libcommon.a(devices.o): In function
> `nulldev_putc':
> /home/BK/lite_dw_u-boot/common/devices.c:49:
> undefined
> reference to `serial_putc'
> /home/BK/lite_dw_u-boot/common/devices.c:49:
> undefined
> reference to `serial_puts'
> common/libcommon.a(devices.o): In function
> `nulldev_puts':
> /home/BK/lite_dw_u-boot/common/devices.c:52:
> undefined
> reference to `serial_getc'
> /home/BK/lite_dw_u-boot/common/devices.c:54:
> undefined
> reference to `serial_tstc'
> make: *** [u-boot] Error 1
> [root at sgj lite_dw_u-boot]#
> 
> Thanks in advance!
> 
> =====
> Best regards,
> 
> Sam
> 
>
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