X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=README;h=51eb71b27c5de9015bd7676f79930b6c16fb2a75;hb=41ef372c1a2d344621c74aa4bce5cdb0970ba5f1;hp=8707bf2d7c4510872feaf5e527c230d0919e28bb;hpb=a17617d6553369ba72c080128ed8d0b0c33dfc89;p=u-boot

diff --git a/README b/README
index 8707bf2d7c..51eb71b27c 100644
--- a/README
+++ b/README
@@ -842,7 +842,8 @@ The following options need to be configured:
 		CONFIG_CMD_I2C		* I2C serial bus support
 		CONFIG_CMD_IDE		* IDE harddisk support
 		CONFIG_CMD_IMI		  iminfo
-		CONFIG_CMD_IMLS		  List all found images
+		CONFIG_CMD_IMLS		  List all images found in NOR flash
+		CONFIG_CMD_IMLS_NAND	  List all images found in NAND flash
 		CONFIG_CMD_IMMAP	* IMMR dump support
 		CONFIG_CMD_IMPORTENV	* import an environment
 		CONFIG_CMD_INI		* import data from an ini file into the env
@@ -2714,10 +2715,13 @@ FIT uImage format:
 		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.
 
@@ -2816,6 +2820,12 @@ FIT uImage format:
 		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.
@@ -2873,6 +2883,10 @@ FIT uImage format:
 		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
@@ -3797,20 +3811,24 @@ Low Level (hardware related) configuration options:
 		that is executed before the actual U-Boot. E.g. when
 		compiling a NAND SPL.
 
+- CONFIG_ARCH_MAP_SYSMEM
+		Generally U-Boot (and in particular the md command) uses
+		effective address. It is therefore not necessary to regard
+		U-Boot address as virtual addresses that need to be translated
+		to physical addresses. However, sandbox requires this, since
+		it maintains its own little RAM buffer which contains all
+		addressable memory. This option causes some memory accesses
+		to be mapped through map_sysmem() / unmap_sysmem().
+
 - CONFIG_USE_ARCH_MEMCPY
   CONFIG_USE_ARCH_MEMSET
 		If these options are used a optimized version of memcpy/memset will
 		be used if available. These functions may be faster under some
 		conditions but may increase the binary size.
 
-- CONFIG_X86_NO_RESET_VECTOR
-		If defined, the x86 reset vector code is excluded. You will need
-		to do this when U-Boot is running from Coreboot.
-
-- CONFIG_X86_NO_REAL_MODE
-		If defined, x86 real mode code is omitted. This assumes a
-		32-bit environment where such code is not needed. You will
-		need to do this when U-Boot is running from Coreboot.
+- CONFIG_X86_RESET_VECTOR
+		If defined, the x86 reset vector code is included. This is not
+		needed when U-Boot is running from Coreboot.
 
 
 Freescale QE/FMAN Firmware Support: