tricorder: add mtdparts to environment

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 2fcad7ff856f408cc9e0122b4751cb41fb118794..09662a4a0369b2567f6b8274898b4e8b16af8595 100644 (file)
--- a/README
+++ b/README
@@ -139,7 +139,6 @@ Directory Hierarchy:
        /at91           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
       /ixp             Files specific to Intel XScale IXP CPUs
@@ -152,9 +151,6 @@ Directory Hierarchy:
   /blackfin            Files generic to Analog Devices Blackfin architecture
     /cpu               CPU specific files
     /lib               Architecture specific library files
-  /x86                 Files generic to x86 architecture
-    /cpu               CPU specific files
-    /lib               Architecture specific library files
   /m68k                        Files generic to m68k architecture
     /cpu               CPU specific files
       /mcf52x2         Files specific to Freescale ColdFire MCF52x2 CPUs
@@ -178,6 +174,9 @@ Directory Hierarchy:
   /nios2               Files generic to Altera NIOS2 architecture
     /cpu               CPU specific files
     /lib               Architecture specific library files
+  /openrisc            Files generic to OpenRISC architecture
+    /cpu               CPU specific files
+    /lib               Architecture specific library files
   /powerpc             Files generic to PowerPC architecture
     /cpu               CPU specific files
       /74xx_7xx                Files specific to Freescale MPC74xx and 7xx CPUs
@@ -200,12 +199,16 @@ Directory Hierarchy:
       /leon2           Files specific to Gaisler LEON2 SPARC CPU
       /leon3           Files specific to Gaisler LEON3 SPARC CPU
     /lib               Architecture specific library files
+  /x86                 Files generic to x86 architecture
+    /cpu               CPU specific files
+    /lib               Architecture specific library files
 /api                   Machine/arch independent API for external apps
 /board                 Board dependent files
 /common                        Misc architecture independent functions
 /disk                  Code for disk drive partition handling
 /doc                   Documentation (don't expect too much)
 /drivers               Commonly used device drivers
+/dts                   Contains Makefile for building internal U-Boot fdt.
 /examples              Example code for standalone applications, etc.
 /fs                    Filesystem code (cramfs, ext2, jffs2, etc.)
 /include               Header Files
@@ -215,7 +218,7 @@ Directory Hierarchy:
   /lzo                 Library files to support LZO decompression
 /net                   Networking code
 /post                  Power On Self Test
-/rtc                   Real Time Clock drivers
+/spl                   Secondary Program Loader framework
 /tools                 Tools to build S-Record or U-Boot images, etc.
 
 Software Configuration:
@@ -941,10 +944,10 @@ The following options need to be configured:
 
 - Regular expression support:
                CONFIG_REGEX
-                If this variable is defined, U-Boot is linked against
-                the SLRE (Super Light Regular Expression) library,
-                which adds regex support to some commands, as for
-                example "env grep" and "setexpr".
+               If this variable is defined, U-Boot is linked against
+               the SLRE (Super Light Regular Expression) library,
+               which adds regex support to some commands, as for
+               example "env grep" and "setexpr".
 
 - Device tree:
                CONFIG_OF_CONTROL
@@ -1093,8 +1096,8 @@ The following options need to be configured:
                devices.
                CONFIG_SYS_SCSI_SYM53C8XX_CCF to fix clock timing (80Mhz)
 
-                The environment variable 'scsidevs' is set to the number of
-                SCSI devices found during the last scan.
+               The environment variable 'scsidevs' is set to the number of
+               SCSI devices found during the last scan.
 
 - NETWORK Support (PCI):
                CONFIG_E1000
@@ -1404,6 +1407,12 @@ The following options need to be configured:
                CONFIG_DFU_NAND
                This enables support for exposing NAND devices via DFU.
 
+               CONFIG_DFU_RAM
+               This enables support for exposing RAM via DFU.
+               Note: DFU spec refer to non-volatile memory usage, but
+               allow usages beyond the scope of spec - here RAM usage,
+               one that would help mostly the developer.
+
                CONFIG_SYS_DFU_DATA_BUF_SIZE
                Dfu transfer uses a buffer before writing data to the
                raw storage device. Make the size (in bytes) of this buffer
@@ -1978,7 +1987,7 @@ CBFS (Coreboot Filesystem) support
                    offset CONFIG_SYS_FSL_I2C_SPEED for the i2c speed and
                    CONFIG_SYS_FSL_I2C_SLAVE for the slave addr of the first
                    bus.
-                  - If your board supports a second fsl i2c bus, define
+                 - If your board supports a second fsl i2c bus, define
                    CONFIG_SYS_FSL_I2C2_OFFSET for the register offset
                    CONFIG_SYS_FSL_I2C2_SPEED for the speed and
                    CONFIG_SYS_FSL_I2C2_SLAVE for the slave address of the
@@ -3182,9 +3191,9 @@ FIT uImage format:
                CONFIG_TPL_PAD_TO
                Image offset to which the TPL should be padded before appending
                the TPL payload. By default, this is defined as
-                CONFIG_SPL_MAX_SIZE, or 0 if CONFIG_SPL_MAX_SIZE is undefined.
-                CONFIG_SPL_PAD_TO must be either 0, meaning to append the SPL
-                payload without any padding, or >= CONFIG_SPL_MAX_SIZE.
+               CONFIG_SPL_MAX_SIZE, or 0 if CONFIG_SPL_MAX_SIZE is undefined.
+               CONFIG_SPL_PAD_TO must be either 0, meaning to append the SPL
+               payload without any padding, or >= CONFIG_SPL_MAX_SIZE.
 
 Modem Support:
 --------------
@@ -3359,7 +3368,7 @@ Configuration Settings:
                the Linux kernel; all data that must be processed by
                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
+               environment variable is defined and non-zero. In such case
                all data for the Linux kernel must be between "bootm_low"
                and "bootm_low" + CONFIG_SYS_BOOTMAPSZ.  The environment
                variable "bootm_mapsize" will override the value of
@@ -3472,7 +3481,7 @@ Configuration Settings:
 
 - CONFIG_ENV_FLAGS_LIST_DEFAULT
 - CONFIG_ENV_FLAGS_LIST_STATIC
-       Enable validation of the values given to enviroment variables when
+       Enable validation of the values given to environment variables when
        calling env set.  Variables can be restricted to only decimal,
        hexadecimal, or boolean.  If CONFIG_CMD_NET is also defined,
        the variables can also be restricted to IP address or MAC address.