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authorJames Valleroy <james.valleroy@gmail.com>2013-10-25 21:47:16 -0400
committerJames Valleroy <james.valleroy@gmail.com>2013-10-25 21:47:16 -0400
commitfacda5a657100c1a3f7b496aa58ccabd456bea88 (patch)
tree8873b4aa03c3501221e717e30e6b74263b45fd63 /README
parentede1c5a824e32216506e5c273bd62195997cb944 (diff)
Specify serial console in boot args. Sometimes required to keep console running after kernel boots.
Diffstat (limited to 'README')
-rw-r--r--README3
1 files changed, 3 insertions, 0 deletions
diff --git a/README b/README
index 17c3d7d..2582ccb 100644
--- a/README
+++ b/README
@@ -211,6 +211,7 @@ following to boot from the USB stick:
setenv bootcmd '${x_bootcmd_usb}; ${x_bootcmd_kernel}; ${x_bootcmd_initrd}; setenv bootargs ${x_bootargs} ${x_bootargs_root}; bootm 0x6400000 0x6900000;'
setenv x_bootcmd_kernel fatload usb 2 0x6400000 uImage
setenv x_bootcmd_initrd fatload usb 2 0x6900000 uInitrd
+ setenv x_bootargs console=ttyS0,115200
setenv x_bootargs_root root=/dev/sdc2 rootdelay=10
boot
@@ -237,6 +238,7 @@ time-consuming attempts to boot from gigE, which makes boot go much faster:
setenv bootcmd '${x_bootcmd_usb}; ${x_bootcmd_kernel}; ${x_bootcmd_initrd}; setenv bootargs ${x_bootargs} ${x_bootargs_root}; bootm 0x6400000 0x6900000;'
setenv x_bootcmd_kernel fatload usb 0 0x6400000 uImage
setenv x_bootcmd_initrd fatload usb 0 0x6900000 uInitrd
+ setenv x_bootargs console=ttyS0,115200
setenv x_bootargs_root root=/dev/sda2 rootdelay=10
saveenv
reset
@@ -514,6 +516,7 @@ commands:
setenv bootcmd '${x_bootcmd_usb}; ${x_bootcmd_kernel}; ${x_bootcmd_initrd}; setenv bootargs ${x_bootargs} ${x_bootargs_root}; bootm 0x6400000 0x6900000;'
setenv x_bootcmd_kernel fatload usb 0 0x6400000 uImage
setenv x_bootcmd_initrd fatload usb 0 0x6900000 uInitrd
+ setenv x_bootargs console=ttyS0,115200
setenv x_bootargs_root root=/dev/sda2 rootdelay=10
saveenv
reset