powerpc/qixis: enable qixis dump command and add switch dumping command

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 1d2e1297d635dfa86134004dd91f7ea62eff2dbb..2352e3862bfa81f4ad2bca262cc26529ac008fd7 100644 (file)
--- a/README
+++ b/README
@@ -616,6 +616,14 @@ The following options need to be configured:
                boot loader that has already initialized the UART.  Define this
                variable to flush the UART at init time.
 
                boot loader that has already initialized the UART.  Define this
                variable to flush the UART at init time.
 

+               CONFIG_SYS_NS16550_BROKEN_TEMT
+
+               16550 UART set the Transmitter Empty (TEMT) Bit when all output
+               has finished and the transmitter is totally empty. U-Boot waits
+               for this bit to be set to initialize the serial console. On some
+               broken platforms this bit is not set in SPL making U-Boot to
+               hang while waiting for TEMT. Define this option to avoid it.
+

 
 - Console Interface:
                Depending on board, define exactly one serial port
 
 - Console Interface:
                Depending on board, define exactly one serial port


@@ -849,6 +857,7 @@ The following options need to be configured:
                CONFIG_CMD_LOADS          loads
                CONFIG_CMD_MD5SUM         print md5 message digest
                                          (requires CONFIG_CMD_MEMORY and CONFIG_MD5)
                CONFIG_CMD_LOADS          loads
                CONFIG_CMD_MD5SUM         print md5 message digest
                                          (requires CONFIG_CMD_MEMORY and CONFIG_MD5)

+               CONFIG_CMD_MEMINFO      * Display detailed memory information

                CONFIG_CMD_MEMORY         md, mm, nm, mw, cp, cmp, crc, base,
                                          loop, loopw, mtest
                CONFIG_CMD_MISC           Misc functions like sleep etc
                CONFIG_CMD_MEMORY         md, mm, nm, mw, cp, cmp, crc, base,
                                          loop, loopw, mtest
                CONFIG_CMD_MISC           Misc functions like sleep etc


@@ -1486,6 +1495,21 @@ CBFS (Coreboot Filesystem) support
                Normally display is black on white background; define
                CONFIG_SYS_WHITE_ON_BLACK to get it inverted.
 
                Normally display is black on white background; define
                CONFIG_SYS_WHITE_ON_BLACK to get it inverted.
 

+               CONFIG_LCD_ALIGNMENT
+
+               Normally the LCD is page-aligned (tyically 4KB). If this is
+               defined then the LCD will be aligned to this value instead.
+               For ARM it is sometimes useful to use MMU_SECTION_SIZE
+               here, since it is cheaper to change data cache settings on
+               a per-section basis.
+
+               CONFIG_CONSOLE_SCROLL_LINES
+
+               When the console need to be scrolled, this is the number of
+               lines to scroll by. It defaults to 1. Increasing this makes
+               the console jump but can help speed up operation when scrolling
+               is slow.
+

                CONFIG_LCD_BMP_RLE8
 
                Support drawing of RLE8-compressed bitmaps on the LCD.
                CONFIG_LCD_BMP_RLE8
 
                Support drawing of RLE8-compressed bitmaps on the LCD.


@@ -1495,7 +1519,6 @@ CBFS (Coreboot Filesystem) support
                Enables an 'i2c edid' command which can read EDID
                information over I2C from an attached LCD display.
 
                Enables an 'i2c edid' command which can read EDID
                information over I2C from an attached LCD display.
 

-

 - Splash Screen Support: CONFIG_SPLASH_SCREEN
 
                If this option is set, the environment is checked for
 - Splash Screen Support: CONFIG_SPLASH_SCREEN
 
                If this option is set, the environment is checked for


@@ -2364,6 +2387,15 @@ CBFS (Coreboot Filesystem) support
                run-time determined information about the hardware to the
                environment.  These will be named board_name, board_rev.
 
                run-time determined information about the hardware to the
                environment.  These will be named board_name, board_rev.
 

+               CONFIG_DELAY_ENVIRONMENT
+
+               Normally the environment is loaded when the board is
+               intialised so that it is available to U-Boot. This inhibits
+               that so that the environment is not available until
+               explicitly loaded later by U-Boot code. With CONFIG_OF_CONTROL
+               this is instead controlled by the value of
+               /config/load-environment.
+

 - DataFlash Support:
                CONFIG_HAS_DATAFLASH
 
 - DataFlash Support:
                CONFIG_HAS_DATAFLASH
 


@@ -2682,10 +2714,13 @@ FIT uImage format:
                CONFIG_FB_ADDR
 
                Define CONFIG_FB_ADDR if you want to use specific
                CONFIG_FB_ADDR
 
                Define CONFIG_FB_ADDR if you want to use specific

-               address for frame buffer.
-               Then system will reserve the frame buffer address to
-               defined address instead of lcd_setmem (this function
-               grabs the memory for frame buffer by panel's size).
+               address for frame buffer.  This is typically the case
+               when using a graphics controller has separate video
+               memory.  U-Boot will then place the frame buffer at
+               the given address instead of dynamically reserving it
+               in system RAM by calling lcd_setmem(), which grabs
+               the memory for the frame buffer depending on the
+               configured panel size.

 
                Please see board_init_f function.
 
 
                Please see board_init_f function.
 


@@ -2784,6 +2819,12 @@ FIT uImage format:
                CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME
                Filename to read to load U-Boot when reading from FAT
 
                CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME
                Filename to read to load U-Boot when reading from FAT
 

+               CONFIG_SPL_MPC83XX_WAIT_FOR_NAND
+               Set this for NAND SPL on PPC mpc83xx targets, so that
+               start.S waits for the rest of the SPL to load before
+               continuing (the hardware starts execution after just
+               loading the first page rather than the full 4K).
+

                CONFIG_SPL_NAND_BASE
                Include nand_base.c in the SPL.  Requires
                CONFIG_SPL_NAND_DRIVERS.
                CONFIG_SPL_NAND_BASE
                Include nand_base.c in the SPL.  Requires
                CONFIG_SPL_NAND_DRIVERS.


@@ -2841,6 +2882,10 @@ FIT uImage format:
                CONFIG_SPL_LIBGENERIC_SUPPORT
                Support for lib/libgeneric.o in SPL binary
 
                CONFIG_SPL_LIBGENERIC_SUPPORT
                Support for lib/libgeneric.o in SPL binary
 

+               CONFIG_SPL_PAD_TO
+               Linker address to which the SPL should be padded before
+               appending the SPL payload.
+

                CONFIG_SPL_TARGET
                Final target image containing SPL and payload.  Some SPLs
                use an arch-specific makefile fragment instead, for
                CONFIG_SPL_TARGET
                Final target image containing SPL and payload.  Some SPLs
                use an arch-specific makefile fragment instead, for


@@ -3439,6 +3484,16 @@ use the "saveenv" command to store a valid environment.
                space for already greatly restricted images, including but not
                limited to NAND_SPL configurations.
 
                space for already greatly restricted images, including but not
                limited to NAND_SPL configurations.
 

+- CONFIG_DISPLAY_BOARDINFO
+               Display information about the board that U-Boot is running on
+               when U-Boot starts up. The board function checkboard() is called
+               to do this.
+
+- CONFIG_DISPLAY_BOARDINFO_LATE
+               Similar to the previous option, but display this information
+               later, once stdio is running and output goes to the LCD, if
+               present.
+

 Low Level (hardware related) configuration options:
 ---------------------------------------------------
 
 Low Level (hardware related) configuration options:
 ---------------------------------------------------