X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=f14fb7bad2a6a0427da196528a6d17e0d642d389;hb=f793a3581901ff39c2abb94012d9bbc8573ccf02;hp=b29a0d2581ccc7e0045e3cb77a23d00858f8b559;hpb=96ef831f713289afba19da0c8f905e99da2b23e0;p=u-boot

diff --git a/README b/README
index b29a0d2581..f14fb7bad2 100644
--- a/README
+++ b/README
@@ -153,6 +153,8 @@ Directory Hierarchy:
   - at32ap	Files specific to Atmel AVR32 AP CPUs
   - i386	Files specific to i386 CPUs
   - ixp		Files specific to Intel XScale IXP CPUs
+  - leon2	Files specific to Gaisler LEON2 SPARC CPU
+  - leon3	Files specific to Gaisler LEON3 SPARC CPU
   - mcf52x2	Files specific to Freescale ColdFire MCF52x2 CPUs
   - mcf5227x	Files specific to Freescale ColdFire MCF5227x CPUs
   - mcf532x	Files specific to Freescale ColdFire MCF5329 CPUs
@@ -186,6 +188,7 @@ Directory Hierarchy:
 - lib_mips	Files generic to MIPS	 architecture
 - lib_nios	Files generic to NIOS	 architecture
 - lib_ppc	Files generic to PowerPC architecture
+- lib_sparc	Files generic to SPARC	 architecture
 - libfdt	Library files to support flattened device trees
 - net		Networking code
 - post		Power On Self Test
@@ -620,7 +623,6 @@ The following options need to be configured:
 		CONFIG_CMD_SPI		* SPI serial bus support
 		CONFIG_CMD_USB		* USB support
 		CONFIG_CMD_VFD		* VFD support (TRAB)
-		CONFIG_CMD_BSP		* Board SPecific functions
 		CONFIG_CMD_CDP		* Cisco Discover Protocol support
 		CONFIG_CMD_FSL		* Microblaze FSL support
 
@@ -669,6 +671,7 @@ The following options need to be configured:
 
 		CONFIG_RTC_MPC8xx	- use internal RTC of MPC8xx
 		CONFIG_RTC_PCF8563	- use Philips PCF8563 RTC
+		CONFIG_RTC_MC13783	- use MC13783 RTC
 		CONFIG_RTC_MC146818	- use MC146818 RTC
 		CONFIG_RTC_DS1307	- use Maxim, Inc. DS1307 RTC
 		CONFIG_RTC_DS1337	- use Maxim, Inc. DS1337 RTC
@@ -1411,6 +1414,11 @@ The following options need to be configured:
 		Currently supported on some MPC8xxx processors.  For an
 		example, see include/configs/mpc8349emds.h.
 
+		CONFIG_MXC_SPI
+
+		Enables the driver for the SPI controllers on i.MX and MXC
+		SoCs. Currently only i.MX31 is supported.
+
 - FPGA Support: CONFIG_FPGA
 
 		Enables FPGA subsystem.
@@ -1552,6 +1560,10 @@ The following options need to be configured:
 		before giving up the operation. If not defined, a
 		default value of 5 is used.
 
+		CONFIG_ARP_TIMEOUT
+
+		Timeout waiting for an ARP reply in milliseconds.
+
 - Command Interpreter:
 		CONFIG_AUTO_COMPLETE
 
@@ -1994,8 +2006,11 @@ Configuration Settings:
 - CFG_BOOTMAPSZ:
 		Maximum size of memory mapped by the startup code of
 		the Linux kernel; all data that must be processed by
-		the Linux kernel (bd_info, boot arguments, eventually
-		initrd image) must be put below this limit.
+		the Linux kernel (bd_info, boot arguments, FDT blob if
+		used) must be put below this limit, unless "bootm_low"
+		enviroment variable is defined and non-zero. In such case
+		all data for the Linux kernel must be between "bootm_low"
+		and "bootm_low" + CFG_BOOTMAPSZ.
 
 - CFG_MAX_FLASH_BANKS:
 		Max number of Flash memory banks
@@ -2740,6 +2755,20 @@ Some configuration options can be set using Environment Variables:
 
   bootfile	- Name of the image to load with TFTP
 
+  bootm_low	- Memory range available for image processing in the bootm
+		  command can be restricted. This variable is given as
+		  a hexadecimal number and defines lowest address allowed
+		  for use by the bootm command. See also "bootm_size"
+		  environment variable. Address defined by "bootm_low" is
+		  also the base of the initial memory mapping for the Linux
+		  kernel -- see the descripton of CFG_BOOTMAPSZ.
+
+  bootm_size	- Memory range available for image processing in the bootm
+		  command can be restricted. This variable is given as
+		  a hexadecimal number and defines the size of the region
+		  allowed for use by the bootm command. See also "bootm_low"
+		  environment variable.
+
   autoload	- if set to "no" (any string beginning with 'n'),
 		  "bootp" will just load perform a lookup of the
 		  configuration from the BOOTP server, but not try to