vision2: Place machine ID into board config

[platform/kernel/u-boot.git] / README

diff --git a/README b/README
index aec28e3..a43da97 100644 (file)
--- a/README
+++ b/README
@@ -147,7 +147,7 @@ Directory Hierarchy:
     /cpu               CPU specific files
       /arm720t         Files specific to ARM 720 CPUs
       /arm920t         Files specific to ARM 920 CPUs
-       /at91rm9200     Files specific to Atmel AT91RM9200 CPU
+       /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
@@ -180,6 +180,7 @@ Directory Hierarchy:
     /lib               Architecture specific library files
   /mips                        Files generic to MIPS architecture
     /cpu               CPU specific files
+      /mips32          Files specific to MIPS32 CPUs
     /lib               Architecture specific library files
   /nios2               Files generic to Altera NIOS2 architecture
     /cpu               CPU specific files
@@ -382,6 +383,38 @@ The following options need to be configured:
                2. The core frequency as calculated above is multiplied
                by this value.
 
+- MIPS CPU options:
+               CONFIG_SYS_INIT_SP_OFFSET
+
+               Offset relative to CONFIG_SYS_SDRAM_BASE for initial stack
+               pointer. This is needed for the temporary stack before
+               relocation.
+
+               CONFIG_SYS_MIPS_CACHE_MODE
+
+               Cache operation mode for the MIPS CPU.
+               See also arch/mips/include/asm/mipsregs.h.
+               Possible values are:
+                       CONF_CM_CACHABLE_NO_WA
+                       CONF_CM_CACHABLE_WA
+                       CONF_CM_UNCACHED
+                       CONF_CM_CACHABLE_NONCOHERENT
+                       CONF_CM_CACHABLE_CE
+                       CONF_CM_CACHABLE_COW
+                       CONF_CM_CACHABLE_CUW
+                       CONF_CM_CACHABLE_ACCELERATED
+
+               CONFIG_SYS_XWAY_EBU_BOOTCFG
+
+               Special option for Lantiq XWAY SoCs for booting from NOR flash.
+               See also arch/mips/cpu/mips32/start.S.
+
+               CONFIG_XWAY_SWAP_BYTES
+
+               Enable compilation of tools/xway-swap-bytes needed for Lantiq
+               XWAY SoCs for booting from NOR flash. The U-Boot image needs to
+               be swapped if a flash programmer is used.
+
 - Linux Kernel Interface:
                CONFIG_CLOCKS_IN_MHZ
 
@@ -1144,7 +1177,7 @@ The following options need to be configured:
                or CONFIG_VIDEO_SED13806_16BPP
 
                CONFIG_FSL_DIU_FB
-               Enable the Freescale DIU video driver.  Reference boards for
+               Enable the Freescale DIU video driver.  Reference boards for
                SOCs that have a DIU should define this macro to enable DIU
                support, and should also define these other macros:
 
@@ -2256,44 +2289,44 @@ FIT uImage format:
                kernel. Needed for UBI support.
 
 - SPL framework
-                CONFIG_SPL
-                Enable building of SPL globally.
+               CONFIG_SPL
+               Enable building of SPL globally.
 
-                CONFIG_SPL_TEXT_BASE
-                TEXT_BASE for linking the SPL binary.
+               CONFIG_SPL_TEXT_BASE
+               TEXT_BASE for linking the SPL binary.
 
-                CONFIG_SPL_LDSCRIPT
-                LDSCRIPT 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_LIBCOMMON_SUPPORT
+               Support for common/libcommon.o in SPL binary
 
-                CONFIG_SPL_LIBDISK_SUPPORT
-                Support for disk/libdisk.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_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_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_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_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_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_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_FAT_SUPPORT
+               Support for fs/fat/libfat.o in SPL binary
 
-                CONFIG_SPL_LIBGENERIC_SUPPORT
-                Support for lib/libgeneric.o in SPL binary
+               CONFIG_SPL_LIBGENERIC_SUPPORT
+               Support for lib/libgeneric.o in SPL binary
 
 Modem Support:
 --------------
@@ -3070,7 +3103,7 @@ Low Level (hardware related) configuration options:
                globally (CONFIG_CMD_MEM).
 
 - CONFIG_SKIP_LOWLEVEL_INIT
-               [ARM only] If this variable is defined, then certain
+               [ARM, MIPS only] If this variable is defined, then certain
                low level initializations (like setting up the memory
                controller) are omitted and/or U-Boot does not
                relocate itself into RAM.