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[v4,01/14] smegw01: Enable setting additional boot params

Message ID 20230426132533.1145591-1-festevam@gmail.com
State Superseded
Delegated to: Stefano Babic
Headers show
Series [v4,01/14] smegw01: Enable setting additional boot params | expand

Commit Message

Fabio Estevam April 26, 2023, 1:25 p.m. UTC 
From: Eduard Strehlau <eduard@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@lionizers.com>
Signed-off-by: Fabio Estevam <festevam@denx.de>
---
Changes since v3:
- None

 include/configs/smegw01.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

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 ...; " \