+Luis čt 9. 1. 2020 v 14:00 odesílatel Milan Obuch <[email protected]> napsal: > > Hi, > > Zybo Z7 board uses 100 MHz clock for UART bitrate generator, in > defconfig is 50 MHz listed. This error manifests itself when boot > starts, following is seen on console: > > ������b > U-Boot SPL 2019.01 (Jul 17 2019 - 21:36:54 +0200) > mmc boot > Trying to boot from MMC1 > > First line is output with wrong bitrate. After changing definition to > correct value, boot output starts correctly, now: > > Debug uart enabled > > U-Boot SPL 2019.10 (Jan 09 2020 - 08:18:37 +0100) > mmc boot > Trying to boot from MMC1 > > (Please ignore version change, I just used this occasion to fix some > other issues as well.) > > Patch to fix this small issue follows. As this is my first contribution > to this project, please help me with what could be necessary to do for > this fix to be accepted, in order to fit any custom used here... > > Regards, > Milan > > --- configs/zynq_zybo_z7_defconfig.orig 2020-01-09 08:16:33.744969000 +0100 > +++ configs/zynq_zybo_z7_defconfig 2020-01-09 07:49:33.181891000 +0100 > @@ -5,7 +5,7 @@ > CONFIG_SPL_STACK_R_ADDR=0x200000 > CONFIG_SPL=y > CONFIG_DEBUG_UART_BASE=0xe0001000 > -CONFIG_DEBUG_UART_CLOCK=50000000 > +CONFIG_DEBUG_UART_CLOCK=100000000 > CONFIG_DEBUG_UART=y > CONFIG_DISTRO_DEFAULTS=y > CONFIG_SYS_CUSTOM_LDSCRIPT=y
Luis: Can you please check? Thanks, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs
