gpt:doc: GPT (GUID Partition Table) documentation

[u-boot] / README

diff --git a/README b/README
index b9a36856d923d985cb159f91263f171eb56bf24f..a80441c9b57f5ce26fe34484bffd7c5e206b81af 100644 (file)
--- a/README
+++ b/README
@@ -54,6 +54,11 @@ In case of problems see the CHANGELOG and CREDITS files to find out
 who contributed the specific port. The MAINTAINERS file lists board
 maintainers.
 
 who contributed the specific port. The MAINTAINERS file lists board
 maintainers.
 

+Note: There is no CHANGELOG file in the actual U-Boot source tree;
+it can be created dynamically from the Git log using:
+
+       make CHANGELOG
+

 
 Where to get help:
 ==================
 
 Where to get help:
 ==================


@@ -819,8 +824,10 @@ The following options need to be configured:
                CONFIG_CMD_FDOS         * Dos diskette Support
                CONFIG_CMD_FLASH          flinfo, erase, protect
                CONFIG_CMD_FPGA           FPGA device initialization support
                CONFIG_CMD_FDOS         * Dos diskette Support
                CONFIG_CMD_FLASH          flinfo, erase, protect
                CONFIG_CMD_FPGA           FPGA device initialization support

+               CONFIG_CMD_GETTIME      * Get time since boot

                CONFIG_CMD_GO           * the 'go' command (exec code)
                CONFIG_CMD_GREPENV      * search environment
                CONFIG_CMD_GO           * the 'go' command (exec code)
                CONFIG_CMD_GREPENV      * search environment

+               CONFIG_CMD_HASH         * calculate hash / digest

                CONFIG_CMD_HWFLOW       * RTS/CTS hw flow control
                CONFIG_CMD_I2C          * I2C serial bus support
                CONFIG_CMD_IDE          * IDE harddisk support
                CONFIG_CMD_HWFLOW       * RTS/CTS hw flow control
                CONFIG_CMD_I2C          * I2C serial bus support
                CONFIG_CMD_IDE          * IDE harddisk support


@@ -855,6 +862,7 @@ The following options need to be configured:
                CONFIG_CMD_PING         * send ICMP ECHO_REQUEST to network
                                          host
                CONFIG_CMD_PORTIO       * Port I/O
                CONFIG_CMD_PING         * send ICMP ECHO_REQUEST to network
                                          host
                CONFIG_CMD_PORTIO       * Port I/O

+               CONFIG_CMD_READ         * Read raw data from partition

                CONFIG_CMD_REGINFO      * Register dump
                CONFIG_CMD_RUN            run command in env variable
                CONFIG_CMD_SAVES        * save S record dump
                CONFIG_CMD_REGINFO      * Register dump
                CONFIG_CMD_RUN            run command in env variable
                CONFIG_CMD_SAVES        * save S record dump


@@ -1409,6 +1417,13 @@ CBFS (Coreboot Filesystem) support
                boot.  See the documentation file README.video for a
                description of this variable.
 
                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
 
 - Keyboard Support:
                CONFIG_KEYBOARD
 


@@ -1473,6 +1488,11 @@ CBFS (Coreboot Filesystem) support
 
                Support drawing of RLE8-compressed bitmaps on the LCD.
 
 
                Support drawing of RLE8-compressed bitmaps on the LCD.
 

+               CONFIG_I2C_EDID
+
+               Enables an 'i2c edid' command which can read EDID
+               information over I2C from an attached LCD display.
+

 
 - Splash Screen Support: CONFIG_SPLASH_SCREEN
 
 
 - Splash Screen Support: CONFIG_SPLASH_SCREEN
 


@@ -2200,6 +2220,14 @@ CBFS (Coreboot Filesystem) support
                        HERMES, IP860, RPXlite, LWMON,
                        FLAGADM, TQM8260
 
                        HERMES, IP860, RPXlite, LWMON,
                        FLAGADM, TQM8260
 

+- Access to physical memory region (> 4GB)
+               Some basic support is provided for operations on memory not
+               normally accessible to U-Boot - e.g. some architectures
+               support access to more than 4GB of memory on 32-bit
+               machines using physical address extension or similar.
+               Define CONFIG_PHYSMEM to access this basic support, which
+               currently only supports clearing the memory.
+

 - Error Recovery:
                CONFIG_PANIC_HANG
 
 - Error Recovery:
                CONFIG_PANIC_HANG
 


@@ -2389,6 +2417,23 @@ CBFS (Coreboot Filesystem) support
                A better solution is to properly configure the firewall,
                but sometimes that is not allowed.
 
                A better solution is to properly configure the firewall,
                but sometimes that is not allowed.
 

+- Hashing support:
+               CONFIG_CMD_HASH
+
+               This enables a generic 'hash' command which can produce
+               hashes / digests from a few algorithms (e.g. SHA1, SHA256).
+
+               CONFIG_HASH_VERIFY
+
+               Enable the hash verify command (hash -v). This adds to code
+               size a little.
+
+               CONFIG_SHA1 - support SHA1 hashing
+               CONFIG_SHA256 - support SHA256 hashing
+
+               Note: There is also a sha1sum command, which should perhaps
+               be deprecated in favour of 'hash sha1'.
+

 - Show boot progress:
                CONFIG_SHOW_BOOT_PROGRESS
 
 - Show boot progress:
                CONFIG_SHOW_BOOT_PROGRESS
 


@@ -3668,6 +3713,12 @@ Low Level (hardware related) configuration options:
                If defined, the x86 reset vector code is excluded. You will need
                to do this when U-Boot is running from Coreboot.
 
                If defined, the x86 reset vector code is excluded. You will need
                to do this when U-Boot is running from Coreboot.
 

+- CONFIG_X86_NO_REAL_MODE
+               If defined, x86 real mode code is omitted. This assumes a
+               32-bit environment where such code is not needed. You will
+               need to do this when U-Boot is running from Coreboot.
+
+

 Freescale QE/FMAN Firmware Support:
 -----------------------------------
 
 Freescale QE/FMAN Firmware Support:
 -----------------------------------