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author | Tom Rini | 2013-01-11 15:38:24 -0600 |
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committer | Tom Rini | 2013-01-11 15:38:24 -0600 |
commit | 7a8e739cd5bc0c48511d343f469af89a88a3294d (patch) | |
tree | 2198c265cd9d83d58b42ab8a8e66c2fff4d4545a /README | |
parent | 6fb4d74e59750b43f00d460c569e8a30c67c5bb0 (diff) | |
parent | 59ee45ee91cc91b392a8e2684bfcb8c933ce4967 (diff) | |
download | u-boot-7a8e739cd5bc0c48511d343f469af89a88a3294d.tar.gz u-boot-7a8e739cd5bc0c48511d343f469af89a88a3294d.tar.xz u-boot-7a8e739cd5bc0c48511d343f469af89a88a3294d.zip |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'README')
-rw-r--r-- | README | 28 |
1 files changed, 28 insertions, 0 deletions
@@ -616,6 +616,14 @@ The following options need to be configured: | |||
616 | boot loader that has already initialized the UART. Define this | 616 | boot loader that has already initialized the UART. Define this |
617 | variable to flush the UART at init time. | 617 | variable to flush the UART at init time. |
618 | 618 | ||
619 | CONFIG_SYS_NS16550_BROKEN_TEMT | ||
620 | |||
621 | 16550 UART set the Transmitter Empty (TEMT) Bit when all output | ||
622 | has finished and the transmitter is totally empty. U-Boot waits | ||
623 | for this bit to be set to initialize the serial console. On some | ||
624 | broken platforms this bit is not set in SPL making U-Boot to | ||
625 | hang while waiting for TEMT. Define this option to avoid it. | ||
626 | |||
619 | 627 | ||
620 | - Console Interface: | 628 | - Console Interface: |
621 | Depending on board, define exactly one serial port | 629 | Depending on board, define exactly one serial port |
@@ -849,6 +857,7 @@ The following options need to be configured: | |||
849 | CONFIG_CMD_LOADS loads | 857 | CONFIG_CMD_LOADS loads |
850 | CONFIG_CMD_MD5SUM print md5 message digest | 858 | CONFIG_CMD_MD5SUM print md5 message digest |
851 | (requires CONFIG_CMD_MEMORY and CONFIG_MD5) | 859 | (requires CONFIG_CMD_MEMORY and CONFIG_MD5) |
860 | CONFIG_CMD_MEMINFO * Display detailed memory information | ||
852 | CONFIG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base, | 861 | CONFIG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base, |
853 | loop, loopw, mtest | 862 | loop, loopw, mtest |
854 | CONFIG_CMD_MISC Misc functions like sleep etc | 863 | CONFIG_CMD_MISC Misc functions like sleep etc |
@@ -2378,6 +2387,15 @@ CBFS (Coreboot Filesystem) support | |||
2378 | run-time determined information about the hardware to the | 2387 | run-time determined information about the hardware to the |
2379 | environment. These will be named board_name, board_rev. | 2388 | environment. These will be named board_name, board_rev. |
2380 | 2389 | ||
2390 | CONFIG_DELAY_ENVIRONMENT | ||
2391 | |||
2392 | Normally the environment is loaded when the board is | ||
2393 | intialised so that it is available to U-Boot. This inhibits | ||
2394 | that so that the environment is not available until | ||
2395 | explicitly loaded later by U-Boot code. With CONFIG_OF_CONTROL | ||
2396 | this is instead controlled by the value of | ||
2397 | /config/load-environment. | ||
2398 | |||
2381 | - DataFlash Support: | 2399 | - DataFlash Support: |
2382 | CONFIG_HAS_DATAFLASH | 2400 | CONFIG_HAS_DATAFLASH |
2383 | 2401 | ||
@@ -3453,6 +3471,16 @@ use the "saveenv" command to store a valid environment. | |||
3453 | space for already greatly restricted images, including but not | 3471 | space for already greatly restricted images, including but not |
3454 | limited to NAND_SPL configurations. | 3472 | limited to NAND_SPL configurations. |
3455 | 3473 | ||
3474 | - CONFIG_DISPLAY_BOARDINFO | ||
3475 | Display information about the board that U-Boot is running on | ||
3476 | when U-Boot starts up. The board function checkboard() is called | ||
3477 | to do this. | ||
3478 | |||
3479 | - CONFIG_DISPLAY_BOARDINFO_LATE | ||
3480 | Similar to the previous option, but display this information | ||
3481 | later, once stdio is running and output goes to the LCD, if | ||
3482 | present. | ||
3483 | |||
3456 | Low Level (hardware related) configuration options: | 3484 | Low Level (hardware related) configuration options: |
3457 | --------------------------------------------------- | 3485 | --------------------------------------------------- |
3458 | 3486 | ||