On Fri, Aug 26, 2022 at 12:54 AM Paweł Anikiel pan@semihalf.com wrote:
Move the environment to an easily editable text file in the boot partition
Signed-off-by: Paweł Anikiel pan@semihalf.com
board/google/chameleonv3/environment.txt | 13 +++++++++++++ include/configs/socfpga_chameleonv3.h | 9 ++++----- 2 files changed, 17 insertions(+), 5 deletions(-) create mode 100644 board/google/chameleonv3/environment.txt
diff --git a/board/google/chameleonv3/environment.txt b/board/google/chameleonv3/environment.txt new file mode 100644 index 0000000000..52aedbb90a --- /dev/null +++ b/board/google/chameleonv3/environment.txt @@ -0,0 +1,13 @@ +# MMC boot command +bootcmd_mmc=load mmc 0:1 ${loadaddr} kernel.itb; bootm
+# Network boot command and vars +bootcmd_net=dhcp; tftpboot ${loadaddr} kernel.itb; bootm +autoload=no +serverip=192.168.0.1
+# U-Boot will run this after loading this file +bootcmd_txt=run bootcmd_mmc
+# Kernel cmdline +bootargs=cma=256M console=ttyS1,115200 root=/dev/mmcblk0p3 rootflags=subvol=root rw rootwait diff --git a/include/configs/socfpga_chameleonv3.h b/include/configs/socfpga_chameleonv3.h index 75d2081fac..4c43d89a20 100644 --- a/include/configs/socfpga_chameleonv3.h +++ b/include/configs/socfpga_chameleonv3.h @@ -21,11 +21,10 @@ #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, 115200}
#define CONFIG_EXTRA_ENV_SETTINGS \
"autoload=no\0" \"bootargs=cma=256M console=ttyS1,115200 root=/dev/mmcblk0p3 rw rootwait\0" \"distro_bootcmd=bridge enable; run bootcmd_mmc\0" \"bootcmd_mmc=load mmc 0:1 ${loadaddr} kernel.itb; bootm\0" \"bootcmd_net=dhcp; tftpboot ${loadaddr} kernel.itb; bootm\0"
"distro_bootcmd=bridge enable; " \"load mmc 0:1 ${loadaddr} u-boot.txt; " \"env import -t ${loadaddr}; " \"run bootcmd_txt\0"/*
- L4 OSC1 Timer 0
-- 2.37.2.672.g94769d06f0-goog
This has been my request. I really want to be able to change kernel cmdline by editing a text file in /boot instead of recompiling u-boot.
Tested-by: Alexandru Stan amstan@chromium.org
I've been getting the following warning:
Loading Environment from MMC... *** Warning - bad CRC, using default environment
Is this expected since it's a bare, non CRCd, txt file? Is there any way we can silence the warning?
Alexandru Stan (amstan)