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authorTom Rini2013-01-11 15:38:24 -0600
committerTom Rini2013-01-11 15:38:24 -0600
commit7a8e739cd5bc0c48511d343f469af89a88a3294d (patch)
tree2198c265cd9d83d58b42ab8a8e66c2fff4d4545a /README
parent6fb4d74e59750b43f00d460c569e8a30c67c5bb0 (diff)
parent59ee45ee91cc91b392a8e2684bfcb8c933ce4967 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'README')
-rw-r--r--README28
1 files changed, 28 insertions, 0 deletions
diff --git a/README b/README
index 78f40dfb5a..8707bf2d7c 100644
--- a/README
+++ b/README
@@ -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
3456Low Level (hardware related) configuration options: 3484Low Level (hardware related) configuration options:
3457--------------------------------------------------- 3485---------------------------------------------------
3458 3486