X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=README;h=2c776876e236737f54e3e9b5b72acde4d6938aea;hb=6406d6daea51bbeed21f3829b37d3f395c198e54;hp=c90f6ee2d9dea89b8ca50b5563d6eaffc701342d;hpb=3ea43ff7738582e2ed00a2ede532c702f7b1d737;p=karo-tx-uboot.git

diff --git a/README b/README
index c90f6ee2d9..2c776876e2 100644
--- a/README
+++ b/README
@@ -368,8 +368,10 @@ The following options need to be configured:
 		 * Adds the "fdt" command
 		 * The bootm command automatically updates the fdt
 
-		OF_CPU - The proper name of the cpus node.
-		OF_SOC - The proper name of the soc node.
+		OF_CPU - The proper name of the cpus node (only required for
+			MPC512X and MPC5xxx based boards).
+		OF_SOC - The proper name of the soc node (only required for
+			MPC512X and MPC5xxx based boards).
 		OF_TBCLK - The timebase frequency.
 		OF_STDOUT_PATH - The path to the console device
 
@@ -386,6 +388,15 @@ The following options need to be configured:
 		This define fills in the correct boot CPU in the boot
 		param header, the default value is zero if undefined.
 
+		CONFIG_OF_IDE_FIXUP
+
+		U-Boot can detect if an IDE device is present or not.
+		If not, and this new config option is activated, U-Boot
+		removes the ATA node from the DTS before booting Linux,
+		so the Linux IDE driver does not probe the device and
+		crash. This is needed for buggy hardware (uc101) where
+		no pull down resistor is connected to the signal IDE5V_DD7.
+
 - vxWorks boot parameters:
 
 		bootvx constructs a valid bootline using the following
@@ -609,6 +620,7 @@ The following options need to be configured:
 		CONFIG_CMD_DS4510_RST	* ds4510 I2C rst command
 		CONFIG_CMD_DTT		* Digital Therm and Thermostat
 		CONFIG_CMD_ECHO		  echo arguments
+		CONFIG_CMD_EDITENV	  edit env variable
 		CONFIG_CMD_EEPROM	* EEPROM read/write support
 		CONFIG_CMD_ELF		* bootelf, bootvx
 		CONFIG_CMD_SAVEENV	  saveenv
@@ -1366,6 +1378,13 @@ The following options need to be configured:
 		therefore be cleared to 0 (See, eg, MPC823e User's Manual
 		p.16-473). So, set CONFIG_SYS_I2C_SLAVE to 0.
 
+		CONFIG_SYS_I2C_INIT_MPC5XXX
+
+		When a board is reset during an i2c bus transfer
+		chips might think that the current transfer is still
+		in progress.  Reset the slave devices by sending start
+		commands until the slave device responds.
+
 		That's all that's required for CONFIG_HARD_I2C.
 
 		If you use the software i2c interface (CONFIG_SOFT_I2C)
@@ -3001,14 +3020,6 @@ Some configuration options can be set using Environment Variables:
 		  configuration from the BOOTP server, but not try to
 		  load any image using TFTP
 
-  autoscript	- if set to "yes" commands like "loadb", "loady",
-		  "bootp", "tftpb", "rarpboot" and "nfs" will attempt
-		  to automatically run script images (by internally
-		  calling "source").
-
-  autoscript_uname - if script image is in a format (FIT) this
-		     variable is used to get script subimage unit name.
-
   autostart	- if set to "yes", an image loaded using the "bootp",
 		  "rarpboot", "tftpboot" or "diskboot" commands will
 		  be automatically started (by internally calling