X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=feb51ab94ce2b0aa6fc870229ffab9bdfcf332ee;hb=f1371048ab4dfaa0f7f26c0a60360548f1d752e3;hp=68f1720ec71e33664046b23283c37c1b159060a9;hpb=a81cd434b95a9884c9b4db1dbb53e9d460d36cb2;p=u-boot

diff --git a/README b/README
index 68f1720ec7..feb51ab94c 100644
--- a/README
+++ b/README
@@ -143,9 +143,9 @@ Directory Hierarchy:
     /cpu		CPU specific files
       /arm720t		Files specific to ARM 720 CPUs
       /arm920t		Files specific to ARM 920 CPUs
-        /at91rm9200	Files specific to Atmel AT91RM9200 CPU
-        /imx		Files specific to Freescale MC9328 i.MX CPUs
-        /s3c24x0	Files specific to Samsung S3C24X0 CPUs
+	/at91rm9200	Files specific to Atmel AT91RM9200 CPU
+	/imx		Files specific to Freescale MC9328 i.MX CPUs
+	/s3c24x0	Files specific to Samsung S3C24X0 CPUs
       /arm925t		Files specific to ARM 925 CPUs
       /arm926ejs	Files specific to ARM 926 CPUs
       /arm1136		Files specific to ARM 1136 CPUs
@@ -532,25 +532,6 @@ The following options need to be configured:
 		must be defined, to setup the maximum idle timeout for
 		the SMC.
 
-- Interrupt driven serial port input:
-		CONFIG_SERIAL_SOFTWARE_FIFO
-
-		PPC405GP only.
-		Use an interrupt handler for receiving data on the
-		serial port. It also enables using hardware handshake
-		(RTS/CTS) and UART's built-in FIFO. Set the number of
-		bytes the interrupt driven input buffer should have.
-
-		Leave undefined to disable this feature, including
-		disable the buffer and hardware handshake.
-
-- Console UART Number:
-		CONFIG_UART1_CONSOLE
-
-		AMCC PPC4xx only.
-		If defined internal UART1 (and not UART0) is used
-		as default U-Boot console.
-
 - Boot Delay:	CONFIG_BOOTDELAY - in seconds
 		Delay before automatically booting the default image;
 		set to -1 to disable autoboot.
@@ -1495,6 +1476,16 @@ The following options need to be configured:
 
 		#define I2C_DELAY  udelay(2)
 
+		CONFIG_SOFT_I2C_GPIO_SCL / CONFIG_SOFT_I2C_GPIO_SDA
+
+		If your arch supports the generic GPIO framework (asm/gpio.h),
+		then you may alternatively define the two GPIOs that are to be
+		used as SCL / SDA.  Any of the previous I2C_xxx macros will
+		have GPIO-based defaults assigned to them as appropriate.
+
+		You should define these to the GPIO value as given directly to
+		the generic GPIO functions.
+
 		CONFIG_SYS_I2C_INIT_BOARD
 
 		When a board is reset during an i2c bus transfer
@@ -2354,6 +2345,14 @@ Configuration Settings:
 		on high Ethernet traffic.
 		Defaults to 4 if not defined.
 
+- CONFIG_ENV_MAX_ENTRIES
+
+        Maximum number of entries in the hash table that is used
+        internally to store the environment settings. The default
+        setting is supposed to be generous and should work in most
+        cases. This setting can be used to tune behaviour; see
+        lib/hashtable.c for details.
+
 The following definitions that deal with the placement and management
 of environment data (variable area); in general, we support the
 following configurations:
@@ -2504,7 +2503,7 @@ to save the current settings.
 	  I2C muxes, you can define here, how to reach this
 	  EEPROM. For example:
 
-	  #define CONFIG_I2C_ENV_EEPROM_BUS       "pca9547:70:d\0"
+	  #define CONFIG_I2C_ENV_EEPROM_BUS	  "pca9547:70:d\0"
 
 	  EEPROM which holds the environment, is reached over
 	  a pca9547 i2c mux with address 0x70, channel 3.
@@ -2562,7 +2561,7 @@ to save the current settings.
 
 Please note that the environment is read-only until the monitor
 has been relocated to RAM and a RAM copy of the environment has been
-created; also, when using EEPROM you will have to use getenv_r()
+created; also, when using EEPROM you will have to use getenv_f()
 until then to read environment variables.
 
 The environment is protected by a CRC32 checksum. Before the monitor
@@ -3148,10 +3147,10 @@ List of environment variables (most likely not complete):
 		  interface is currently active. For example you
 		  can do the following
 
-		  => setenv ethact FEC ETHERNET
-		  => ping 192.168.0.1 # traffic sent on FEC ETHERNET
-		  => setenv ethact SCC ETHERNET
-		  => ping 10.0.0.1 # traffic sent on SCC ETHERNET
+		  => setenv ethact FEC
+		  => ping 192.168.0.1 # traffic sent on FEC
+		  => setenv ethact SCC
+		  => ping 10.0.0.1 # traffic sent on SCC
 
   ethrotate	- When set to "no" U-Boot does not go through all
 		  available network interfaces.