diff options
Diffstat (limited to 'README')
| -rw-r--r-- | README | 22 |
1 files changed, 18 insertions, 4 deletions
@@ -620,6 +620,13 @@ The following options need to be configured: SIU Watchdog feature is enabled in the SYPCR register. +- U-Boot Version: + CONFIG_VERSION_VARIABLE + If this variable is defined, an environment variable + named "ver" is created by U-Boot showing the U-Boot + version as printed by the "version" command. + This variable is readonly. + - Real-Time Clock: When CFG_CMD_DATE is selected, the type of the RTC @@ -733,7 +740,7 @@ The following options need to be configured: 16,7 Mill (24bit) 315 318 31b (i.e. setenv videomode 317; saveenv; reset;) - CONFIG_VIDEO_SED13806 + CONFIG_VIDEO_SED13806 Enable Epson SED13806 driver. This driver supports 8bpp and 16bpp modes defined by CONFIG_VIDEO_SED13806_8BPP or CONFIG_VIDEO_SED13806_16BPP @@ -1973,6 +1980,13 @@ the board). U-Boot refuses to delete or overwrite these variables once they have been set once. +Further special Environment Variables: + + ver - Contains the U-Boot version string as printed + with the "version" command. This variable is + readonly (see CONFIG_VERSION_VARIABLE). + + Please note that changes to some configuration parameters may take only effect after the next boot (yes, that's just like Windoze :-). @@ -2381,18 +2395,18 @@ U-Boot supports the following image types: to boot over the network using BOOTP etc., where the boot server provides just a single image file, but you want to get for instance an OS kernel and a RAMDisk image. - + "Multi-File Images" start with a list of image sizes, each image size (in bytes) specified by an "uint32_t" in network byte order. This list is terminated by an "(uint32_t)0". Immediately after the terminating 0 follow the images, one by one, all aligned on "uint32_t" boundaries (size rounded up to a multiple of 4 bytes). - + "Firmware Images" are binary images containing firmware (like U-Boot or FPGA images) which usually will be programmed to flash memory. - + "Script files" are command sequences that will be executed by U-Boot's command interpreter; this feature is especially useful when you configure U-Boot to use a real shell (hush) |