From patchwork Mon Feb 17 18:17:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 236441 List-Id: U-Boot discussion From: festevam at gmail.com (Fabio Estevam) Date: Mon, 17 Feb 2020 15:17:01 -0300 Subject: [PATCH] imx8qxp_mek: Fix the console command line string Message-ID: <20200217181701.25642-1-festevam@gmail.com> Currently the expansion of the console variable leads to the following kernel command line: console=ttyLP0,${baudrate} earlycon root=/dev/mmcblk1p2 rootwait rw , which causes the console to not show characters after the LPUART driver is probed as the 'baudrate' variable is not properly translated. Fix it by splitting the console variable in two parts: one for the ttyLP0 part and the other one for the baudrate, which matches the way it is done on other i.MX targets. Tested by successfully booting a mainline kernel on a i.MX8QXP MEK board. Signed-off-by: Fabio Estevam --- Anatolij's patch is needed for booting: https://lists.denx.de/pipermail/u-boot/2020-February/400417.html include/configs/imx8qxp_mek.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/configs/imx8qxp_mek.h b/include/configs/imx8qxp_mek.h index 81ac4b52f3..0aaca3325b 100644 --- a/include/configs/imx8qxp_mek.h +++ b/include/configs/imx8qxp_mek.h @@ -65,7 +65,7 @@ "script=boot.scr\0" \ "image=Image\0" \ "panel=NULL\0" \ - "console=ttyLP0,${baudrate} earlycon\0" \ + "console=ttyLP0\0" \ "fdt_addr=0x83000000\0" \ "fdt_high=0xffffffffffffffff\0" \ "boot_fdt=try\0" \ @@ -76,7 +76,7 @@ "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \ "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \ "mmcautodetect=yes\0" \ - "mmcargs=setenv bootargs console=${console} root=${mmcroot}\0 " \ + "mmcargs=setenv bootargs console=${console},${baudrate} root=${mmcroot}\0 " \ "loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ "bootscript=echo Running bootscript from mmc ...; " \ "source\0" \ @@ -104,7 +104,7 @@ "echo wait for boot; " \ "fi;" \ "fi;\0" \ - "netargs=setenv bootargs console=${console} " \ + "netargs=setenv bootargs console=${console},${baudrate} " \ "root=/dev/nfs " \ "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ "netboot=echo Booting from net ...; " \