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author | stroese | 2003-04-04 09:53:41 -0600 |
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committer | stroese | 2003-04-04 09:53:41 -0600 |
commit | c1551ea817c0a094b3e5c9573e5dcf4ca8204de6 (patch) | |
tree | c5a7cba09e016920d928a5cc34512a11f1ce18ee /README | |
parent | 0587597ca333f9a5877af7a7d272d5fb5d8070cc (diff) | |
download | u-boot-c1551ea817c0a094b3e5c9573e5dcf4ca8204de6.tar.gz u-boot-c1551ea817c0a094b3e5c9573e5dcf4ca8204de6.tar.xz u-boot-c1551ea817c0a094b3e5c9573e5dcf4ca8204de6.zip |
U-Boot version environment variable "ver" added (CONFIG_VERSION_VARIABLE).
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: | |||
620 | SIU Watchdog feature is enabled in the SYPCR | 620 | SIU Watchdog feature is enabled in the SYPCR |
621 | register. | 621 | register. |
622 | 622 | ||
623 | - U-Boot Version: | ||
624 | CONFIG_VERSION_VARIABLE | ||
625 | If this variable is defined, an environment variable | ||
626 | named "ver" is created by U-Boot showing the U-Boot | ||
627 | version as printed by the "version" command. | ||
628 | This variable is readonly. | ||
629 | |||
623 | - Real-Time Clock: | 630 | - Real-Time Clock: |
624 | 631 | ||
625 | When CFG_CMD_DATE is selected, the type of the RTC | 632 | When CFG_CMD_DATE is selected, the type of the RTC |
@@ -733,7 +740,7 @@ The following options need to be configured: | |||
733 | 16,7 Mill (24bit) 315 318 31b | 740 | 16,7 Mill (24bit) 315 318 31b |
734 | (i.e. setenv videomode 317; saveenv; reset;) | 741 | (i.e. setenv videomode 317; saveenv; reset;) |
735 | 742 | ||
736 | CONFIG_VIDEO_SED13806 | 743 | CONFIG_VIDEO_SED13806 |
737 | Enable Epson SED13806 driver. This driver supports 8bpp | 744 | Enable Epson SED13806 driver. This driver supports 8bpp |
738 | and 16bpp modes defined by CONFIG_VIDEO_SED13806_8BPP | 745 | and 16bpp modes defined by CONFIG_VIDEO_SED13806_8BPP |
739 | or CONFIG_VIDEO_SED13806_16BPP | 746 | or CONFIG_VIDEO_SED13806_16BPP |
@@ -1973,6 +1980,13 @@ the board). U-Boot refuses to delete or overwrite these variables | |||
1973 | once they have been set once. | 1980 | once they have been set once. |
1974 | 1981 | ||
1975 | 1982 | ||
1983 | Further special Environment Variables: | ||
1984 | |||
1985 | ver - Contains the U-Boot version string as printed | ||
1986 | with the "version" command. This variable is | ||
1987 | readonly (see CONFIG_VERSION_VARIABLE). | ||
1988 | |||
1989 | |||
1976 | Please note that changes to some configuration parameters may take | 1990 | Please note that changes to some configuration parameters may take |
1977 | only effect after the next boot (yes, that's just like Windoze :-). | 1991 | only effect after the next boot (yes, that's just like Windoze :-). |
1978 | 1992 | ||
@@ -2381,18 +2395,18 @@ U-Boot supports the following image types: | |||
2381 | to boot over the network using BOOTP etc., where the boot | 2395 | to boot over the network using BOOTP etc., where the boot |
2382 | server provides just a single image file, but you want to get | 2396 | server provides just a single image file, but you want to get |
2383 | for instance an OS kernel and a RAMDisk image. | 2397 | for instance an OS kernel and a RAMDisk image. |
2384 | 2398 | ||
2385 | "Multi-File Images" start with a list of image sizes, each | 2399 | "Multi-File Images" start with a list of image sizes, each |
2386 | image size (in bytes) specified by an "uint32_t" in network | 2400 | image size (in bytes) specified by an "uint32_t" in network |
2387 | byte order. This list is terminated by an "(uint32_t)0". | 2401 | byte order. This list is terminated by an "(uint32_t)0". |
2388 | Immediately after the terminating 0 follow the images, one by | 2402 | Immediately after the terminating 0 follow the images, one by |
2389 | one, all aligned on "uint32_t" boundaries (size rounded up to | 2403 | one, all aligned on "uint32_t" boundaries (size rounded up to |
2390 | a multiple of 4 bytes). | 2404 | a multiple of 4 bytes). |
2391 | 2405 | ||
2392 | "Firmware Images" are binary images containing firmware (like | 2406 | "Firmware Images" are binary images containing firmware (like |
2393 | U-Boot or FPGA images) which usually will be programmed to | 2407 | U-Boot or FPGA images) which usually will be programmed to |
2394 | flash memory. | 2408 | flash memory. |
2395 | 2409 | ||
2396 | "Script files" are command sequences that will be executed by | 2410 | "Script files" are command sequences that will be executed by |
2397 | U-Boot's command interpreter; this feature is especially | 2411 | U-Boot's command interpreter; this feature is especially |
2398 | useful when you configure U-Boot to use a real shell (hush) | 2412 | useful when you configure U-Boot to use a real shell (hush) |