X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=README;h=119bbc994d22db4dc544f16544be622d55d5d2eb;hb=dde8c15b133b364c413bb95e3d89445b2427908b;hp=a70af9864676652bd127fc1cdb1dfc7739472e96;hpb=08442ec7633c69c882a4a6bd70831226d7a81556;p=oweals%2Fu-boot.git

diff --git a/README b/README
index a70af98646..119bbc994d 100644
--- a/README
+++ b/README
@@ -948,6 +948,9 @@ The following options need to be configured:
 		bytes are output before the console is initialised, the
 		earlier bytes are discarded.
 
+		Note that when printing the buffer a copy is made on the
+		stack so CONFIG_PRE_CON_BUF_SZ must fit on the stack.
+
 		'Sane' compilers will generate smaller code if
 		CONFIG_PRE_CON_BUF_SZ is a power of 2
 
@@ -1873,12 +1876,6 @@ CBFS (Coreboot Filesystem) support
 		boot.  See the documentation file README.video for a
 		description of this variable.
 
-		CONFIG_VIDEO_VGA
-
-		Enable the VGA video / BIOS for x86. The alternative if you
-		are using coreboot is to use the coreboot frame buffer
-		driver.
-
 
 - Keyboard Support:
 		CONFIG_KEYBOARD
@@ -2113,18 +2110,6 @@ CBFS (Coreboot Filesystem) support
 		Some PHY like Intel LXT971A need extra delay after
 		command issued before MII status register can be read
 
-- Ethernet address:
-		CONFIG_ETHADDR
-		CONFIG_ETH1ADDR
-		CONFIG_ETH2ADDR
-		CONFIG_ETH3ADDR
-		CONFIG_ETH4ADDR
-		CONFIG_ETH5ADDR
-
-		Define a default value for Ethernet address to use
-		for the respective Ethernet interface, in case this
-		is not determined automatically.
-
 - IP address:
 		CONFIG_IPADDR
 
@@ -2879,8 +2864,8 @@ CBFS (Coreboot Filesystem) support
 		completely disabled. Anybody can change or delete
 		these parameters.
 
-		Alternatively, if you #define _both_ CONFIG_ETHADDR
-		_and_ CONFIG_OVERWRITE_ETHADDR_ONCE, a default
+		Alternatively, if you define _both_ an ethaddr in the
+		default env _and_ CONFIG_OVERWRITE_ETHADDR_ONCE, a default
 		Ethernet address is installed in the environment,
 		which can be changed exactly ONCE by the user. [The
 		serial# is unaffected by this, i. e. it remains
@@ -3096,17 +3081,6 @@ CBFS (Coreboot Filesystem) support
 		memories can be connected with a given cs line.
 		Currently Xilinx Zynq qspi supports these type of connections.
 
-		CONFIG_SYS_SPI_ST_ENABLE_WP_PIN
-		enable the W#/Vpp signal to disable writing to the status
-		register on ST MICRON flashes like the N25Q128.
-		The status register write enable/disable bit, combined with
-		the W#/VPP signal provides hardware data protection for the
-		device as follows: When the enable/disable bit is set to 1,
-		and the W#/VPP signal is driven LOW, the status register
-		nonvolatile bits become read-only and the WRITE STATUS REGISTER
-		operation will not execute. The only way to exit this
-		hardware-protected mode is to drive W#/VPP HIGH.
-
 - SystemACE Support:
 		CONFIG_SYSTEMACE
 
@@ -4168,6 +4142,10 @@ Configuration Settings:
 		list, simply add an entry for the same variable name to the
 		".flags" variable.
 
+	If CONFIG_REGEX is defined, the variable_name above is evaluated as a
+	regular expression. This allows multiple variables to define the same
+	flags without explicitly listing them for each variable.
+
 - CONFIG_ENV_ACCESS_IGNORE_FORCE
 	If defined, don't allow the -f switch to env set override variable
 	access flags.
@@ -5490,7 +5468,7 @@ loaded to, and "Flash Location" gives the image's address in NOR
 flash or offset in NAND flash.
 
 *Note* - these variables don't have to be defined for all boards, some
-boards currenlty use other variables for these purposes, and some
+boards currently use other variables for these purposes, and some
 boards use these variables for other purposes.
 
 Image		    File Name	     RAM Address       Flash Location
@@ -5566,6 +5544,10 @@ override any association in the static list. You can define
 CONFIG_ENV_CALLBACK_LIST_DEFAULT to a list (string) to define the
 ".callbacks" environment variable in the default or embedded environment.
 
+If CONFIG_REGEX is defined, the variable_name above is evaluated as a
+regular expression. This allows multiple variables to be connected to
+the same callback without explicitly listing them all out.
+
 
 Command Line Parsing:
 =====================
@@ -5640,7 +5622,8 @@ o If both the SROM and the environment contain a MAC address, and the
   warning is printed.
 
 o If neither SROM nor the environment contain a MAC address, an error
-  is raised.
+  is raised. If CONFIG_NET_RANDOM_ETHADDR is defined, then in this case
+  a random, locally-assigned MAC is used.
 
 If Ethernet drivers implement the 'write_hwaddr' function, valid MAC addresses
 will be programmed into hardware as part of the initialization process.	 This