Merge and reformat boards.cfg and MAINTAINERS

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 5fb4c759112e83fab29f84b87fb098f0428f74b7..ccd47fad3ad151b413c4e480827a0f81ac68ee8c 100644 (file)
--- a/README
+++ b/README
@@ -35,7 +35,7 @@ Makefile have been tested to some extent and can be considered
 "working". In fact, many of them are used in production systems.
 
 In case of problems see the CHANGELOG and CREDITS files to find out
-who contributed the specific port. The MAINTAINERS file lists board
+who contributed the specific port. The boards.cfg file lists board
 maintainers.
 
 Note: There is no CHANGELOG file in the actual U-Boot source tree;
@@ -406,10 +406,18 @@ The following options need to be configured:
                This is the value to write into CCSR offset 0x18600
                according to the A004510 workaround.
 
+               CONFIG_SYS_FSL_DSP_DDR_ADDR
+               This value denotes start offset of DDR memory which is
+               connected exclusively to the DSP cores.
+
                CONFIG_SYS_FSL_DSP_M2_RAM_ADDR
                This value denotes start offset of M2 memory
                which is directly connected to the DSP core.
 
+               CONFIG_SYS_FSL_DSP_M3_RAM_ADDR
+               This value denotes start offset of M3 memory which is directly
+               connected to the DSP core.
+
                CONFIG_SYS_FSL_DSP_CCSRBAR_DEFAULT
                This value denotes start offset of DSP CCSR space.
 
@@ -1672,6 +1680,10 @@ CBFS (Coreboot Filesystem) support
                to compress the specified memory at its best effort.
 
 - Compression support:
+               CONFIG_GZIP
+
+               Enabled by default to support gzip compressed images.
+
                CONFIG_BZIP2
 
                If this option is set, support for bzip2 compressed
@@ -1705,6 +1717,11 @@ CBFS (Coreboot Filesystem) support
                then calculate the amount of needed dynamic memory (ensuring
                the appropriate CONFIG_SYS_MALLOC_LEN value).
 
+               CONFIG_LZO
+
+               If this option is set, support for LZO compressed images
+               is included.
+
 - MII/PHY support:
                CONFIG_PHY_ADDR
 
@@ -2633,6 +2650,21 @@ CBFS (Coreboot Filesystem) support
                Note: There is also a sha1sum command, which should perhaps
                be deprecated in favour of 'hash sha1'.
 
+- Freescale i.MX specific commands:
+               CONFIG_CMD_HDMIDETECT
+               This enables 'hdmidet' command which returns true if an
+               HDMI monitor is detected.  This command is i.MX 6 specific.
+
+               CONFIG_CMD_BMODE
+               This enables the 'bmode' (bootmode) command for forcing
+               a boot from specific media.
+
+               This is useful for forcing the ROM's usb downloader to
+               activate upon a watchdog reset which is nice when iterating
+               on U-Boot.  Using the reset button or running bmode normal
+               will set it back to normal.  This command currently
+               supports i.MX53 and i.MX6.
+
 - Signing support:
                CONFIG_RSA
 
@@ -3067,6 +3099,14 @@ FIT uImage format:
                Support for NAND boot using simple NAND drivers that
                expose the cmd_ctrl() interface.
 
+               CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
+               Set for the SPL on PPC mpc8xxx targets, support for
+               arch/powerpc/cpu/mpc8xxx/ddr/libddr.o in SPL binary.
+
+               CONFIG_SPL_COMMON_INIT_DDR
+               Set for common ddr init with serial presence detect in
+               SPL binary.
+
                CONFIG_SYS_NAND_5_ADDR_CYCLE, CONFIG_SYS_NAND_PAGE_COUNT,
                CONFIG_SYS_NAND_PAGE_SIZE, CONFIG_SYS_NAND_OOBSIZE,
                CONFIG_SYS_NAND_BLOCK_SIZE, CONFIG_SYS_NAND_BAD_BLOCK_POS,
@@ -3136,6 +3176,17 @@ FIT uImage format:
                option to re-enable it. This will affect the output of the
                bootm command when booting a FIT image.
 
+- TPL framework
+               CONFIG_TPL
+               Enable building of TPL globally.
+
+               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.
+
 Modem Support:
 --------------
 
@@ -4173,6 +4224,11 @@ Low Level (hardware related) configuration options:
                that is executed before the actual U-Boot. E.g. when
                compiling a NAND SPL.
 
+- CONFIG_TPL_BUILD
+               Modifies the behaviour of start.S  when compiling a loader
+               that is executed after the SPL and before the actual U-Boot.
+               It is loaded by the SPL.
+
 - CONFIG_SYS_MPC85XX_NO_RESETVEC
                Only for 85xx systems. If this variable is specified, the section
                .resetvec is not kept and the section .bootpg is placed in the
@@ -4619,6 +4675,12 @@ List of environment variables (most likely not complete):
 
   npe_ucode    - set load address for the NPE microcode
 
+  silent_linux  - If set then linux will be told to boot silently, by
+                 changing the console to be empty. If "yes" it will be
+                 made silent. If "no" it will not be made silent. If
+                 unset, then it will be made silent if the U-Boot console
+                 is silent.
+
   tftpsrcport  - If this is set, the value is used for TFTP's
                  UDP source port.
 
@@ -5771,8 +5833,8 @@ it:
 
 * For major contributions, your entry to the CREDITS file
 
-* When you add support for a new board, don't forget to add this
-  board to the MAINTAINERS file, too.
+* When you add support for a new board, don't forget to add a
+  maintainer e-mail address to the boards.cfg file, too.
 
 * If your patch adds new configuration options, don't forget to
   document these in the README file.