[PATCH v5 01/14] smegw01: Enable setting additional boot params
Fabio Estevam
festevam at gmail.com
Wed Apr 26 18:04:48 CEST 2023
From: Eduard Strehlau <eduard at lionizers.com>
Introduce EXTRA_BOOTPARAMS to allow passing additional parameters
to kernel command line. This is useful for debugging purposes.
Signed-off-by: Eduard Strehlau <eduard at lionizers.com>
Signed-off-by: Fabio Estevam <festevam at denx.de>
---
Changes since v4:
- None
include/configs/smegw01.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/include/configs/smegw01.h b/include/configs/smegw01.h
index 11031744bef8..a356f095a68c 100644
--- a/include/configs/smegw01.h
+++ b/include/configs/smegw01.h
@@ -17,6 +17,11 @@
/* MMC Config*/
#define CFG_SYS_FSL_ESDHC_ADDR 0
+/* default to no extra bootparams, we need an empty define for stringification*/
+#ifndef EXTRA_BOOTPARAMS
+#define EXTRA_BOOTPARAMS
+#endif
+
#define CFG_EXTRA_ENV_SETTINGS \
"image=zImage\0" \
"console=ttymxc0\0" \
@@ -26,7 +31,8 @@
"mmcdev=0\0" \
"mmcpart=1\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
- "root=/dev/mmcblk0p${mmcpart} rootwait rw\0" \
+ "root=/dev/mmcblk0p${mmcpart} rootwait rw " \
+ __stringify(EXTRA_BOOTPARAMS) "\0" \
"loadimage=load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot/${image}\0" \
"loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} boot/${fdtfile}\0" \
"mmcboot=echo Booting from mmc ...; " \
--
2.34.1
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