common: move BUILD_BUG_ON define to common.h

[u-boot] / README

diff --git a/README b/README
index 1e2d4d33c0665972e0a881a9a10a53eccc63548f..cb088167419dc4af3d3d66c621c79e0d3c32126b 100644 (file)
--- a/README
+++ b/README
@@ -442,6 +442,16 @@ The following options need to be configured:
                crash. This is needed for buggy hardware (uc101) where
                no pull down resistor is connected to the signal IDE5V_DD7.
 
+               CONFIG_MACH_TYPE        [relevant for ARM only][mandatory]
+
+               This setting is mandatory for all boards that have only one
+               machine type and must be used to specify the machine type
+               number as it appears in the ARM machine registry
+               (see http://www.arm.linux.org.uk/developer/machines/).
+               Only boards that have multiple machine types supported
+               in a single configuration file and the machine type is
+               runtime discoverable, do not have to use this setting.
+
 - vxWorks boot parameters:
 
                bootvx constructs a valid bootline using the following
@@ -1054,6 +1064,15 @@ The following options need to be configured:
                enabled with CONFIG_CMD_MMC. The MMC driver also works with
                the FAT fs. This is enabled with CONFIG_CMD_FAT.
 
+               CONFIG_SH_MMCIF
+               Support for Renesas on-chip MMCIF controller
+
+                       CONFIG_SH_MMCIF_ADDR
+                       Define the base address of MMCIF registers
+
+                       CONFIG_SH_MMCIF_CLK
+                       Define the clock frequency for MMCIF
+
 - Journaling Flash filesystem support:
                CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
                CONFIG_JFFS2_NAND_DEV
@@ -2236,6 +2255,45 @@ FIT uImage format:
                Adds the MTD partitioning infrastructure from the Linux
                kernel. Needed for UBI support.
 
+- SPL framework
+                CONFIG_SPL
+                Enable building of SPL globally.
+
+                CONFIG_SPL_TEXT_BASE
+                TEXT_BASE for linking the SPL binary.
+
+                CONFIG_SPL_LDSCRIPT
+                LDSCRIPT for linking the SPL binary.
+
+                CONFIG_SPL_LIBCOMMON_SUPPORT
+                Support for common/libcommon.o in SPL binary
+
+                CONFIG_SPL_LIBDISK_SUPPORT
+                Support for disk/libdisk.o in SPL binary
+
+                CONFIG_SPL_I2C_SUPPORT
+                Support for drivers/i2c/libi2c.o in SPL binary
+
+                CONFIG_SPL_GPIO_SUPPORT
+                Support for drivers/gpio/libgpio.o in SPL binary
+
+                CONFIG_SPL_MMC_SUPPORT
+                Support for drivers/mmc/libmmc.o in SPL binary
+
+                CONFIG_SPL_SERIAL_SUPPORT
+                Support for drivers/serial/libserial.o in SPL binary
+
+                CONFIG_SPL_SPI_FLASH_SUPPORT
+                Support for drivers/mtd/spi/libspi_flash.o in SPL binary
+
+                CONFIG_SPL_SPI_SUPPORT
+                Support for drivers/spi/libspi.o in SPL binary
+
+                CONFIG_SPL_FAT_SUPPORT
+                Support for fs/fat/libfat.o in SPL binary
+
+                CONFIG_SPL_LIBGENERIC_SUPPORT
+                Support for lib/libgeneric.o in SPL binary
 
 Modem Support:
 --------------
@@ -2505,6 +2563,11 @@ The following definitions that deal with the placement and management
 of environment data (variable area); in general, we support the
 following configurations:
 
+- CONFIG_BUILD_ENVCRC:
+
+       Builds up envcrc with the target environment so that external utils
+       may easily extract it and embed it in final U-Boot images.
+
 - CONFIG_ENV_IS_IN_FLASH:
 
        Define this if the environment is in flash memory.
@@ -3017,7 +3080,7 @@ Low Level (hardware related) configuration options:
                other boot loader or by a debugger which performs
                these initializations itself.
 
-- CONFIG_PRELOADER
+- CONFIG_SPL_BUILD
                Modifies the behaviour of start.S when compiling a loader
                that is executed before the actual U-Boot. E.g. when
                compiling a NAND SPL.
@@ -3305,6 +3368,15 @@ List of environment variables (most likely not complete):
                  This can be used to load and uncompress arbitrary
                  data.
 
+  fdt_high     - if set this restricts the maximum address that the
+                 flattened device tree will be copied into upon boot.
+                 If this is set to the special value 0xFFFFFFFF then
+                 the fdt will not be copied at all on boot.  For this
+                 to work it must reside in writable memory, have
+                 sufficient padding on the end of it for u-boot to
+                 add the information it needs into it, and the memory
+                 must be accessible by the kernel.
+
   i2cfast      - (PPC405GP|PPC405EP only)
                  if set to 'y' configures Linux I2C driver for fast
                  mode (400kHZ). This environment variable is used in