X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=f29bf50ad0b14040339559c3cb794f01ff32516f;hb=5a6f8d7b3b2914deaec60ea9986729b8f4cff2fc;hp=af37d4125f257fe9e89709f51cde7227b9320d26;hpb=e61a7534e33063a76e105d895e5c6317f2d0cd76;p=u-boot diff --git a/README b/README index af37d4125f..f29bf50ad0 100644 --- a/README +++ b/README @@ -151,6 +151,7 @@ Directory Hierarchy: /x86 Files generic to x86 architecture /api Machine/arch independent API for external apps /board Board dependent files +/cmd U-Boot commands functions /common Misc architecture independent functions /configs Board default configuration files /disk Code for disk drive partition handling @@ -511,7 +512,7 @@ The following options need to be configured: implemetation. CONFIG_SYS_FSL_DDR2 - Board config to use DDR2. It can be eanbeld for SoCs with + Board config to use DDR2. It can be enabled for SoCs with Freescale DDR2 or DDR3 controllers, depending on the board implementation. @@ -840,6 +841,9 @@ The following options need to be configured: CONFIG_CONSOLE_EXTRA_INFO additional board info beside the logo + CONFIG_HIDE_LOGO_VERSION + do not display bootloader + version string When CONFIG_CFB_CONSOLE_ANSI is defined, console will support a limited number of ANSI escape sequences (cursor control, @@ -1677,7 +1681,14 @@ The following options need to be configured: to generate and write the Backup GUID Partition Table.) This occurs when the specified "partition name" on the "fastboot flash" command line matches this value. - Default is GPT_ENTRY_NAME (currently "gpt") if undefined. + The default is "gpt" if undefined. + + CONFIG_FASTBOOT_MBR_NAME + The fastboot "flash" command supports writing the downloaded + image to DOS MBR. + This occurs when the "partition name" specified on the + "fastboot flash" command line matches this value. + If not defined the default value "mbr" is used. - Journaling Flash filesystem support: CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE, @@ -2753,7 +2764,7 @@ CBFS (Coreboot Filesystem) support with a special header) as build targets. By defining CONFIG_BUILD_TARGET in the SoC / board header, this special image will be automatically built upon calling - make / MAKEALL. + make / buildman. CONFIG_IDENT_STRING @@ -3505,21 +3516,6 @@ FIT uImage format: CONFIG_SPL_INIT_MINIMAL Arch init code should be built for a very small image - 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_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS, Address and partition on the MMC to load U-Boot from @@ -3543,12 +3539,6 @@ FIT uImage format: Partition on the MMC to load U-Boot from when the MMC is being used in fs mode - CONFIG_SPL_FAT_SUPPORT - Support for fs/fat/libfat.o in SPL binary - - CONFIG_SPL_EXT_SUPPORT - Support for EXT filesystem in SPL binary - CONFIG_SPL_FS_LOAD_PAYLOAD_NAME Filename to read to load U-Boot when reading from filesystem @@ -3583,18 +3573,14 @@ FIT uImage format: Support for NAND boot using simple NAND drivers that expose the cmd_ctrl() interface. - CONFIG_SPL_MTD_SUPPORT - Support for the MTD subsystem within SPL. Useful for - environment on NAND support within SPL. + CONFIG_SPL_UBI + Support for a lightweight UBI (fastmap) scanner and + loader CONFIG_SPL_NAND_RAW_ONLY Support to boot only raw u-boot.bin images. Use this only if you need to save space. - CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT - Set for the SPL on PPC mpc8xxx targets, support for - drivers/ddr/fsl/libddr.o in SPL binary. - CONFIG_SPL_COMMON_INIT_DDR Set for common ddr init with serial presence detect in SPL binary. @@ -3630,29 +3616,9 @@ FIT uImage format: Support for an OMAP3-specific set of functions to return the ID and MFR of the first attached NAND chip, if present. - 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_RAM_DEVICE Support for running image already present in ram, in SPL binary - CONFIG_SPL_LIBGENERIC_SUPPORT - Support for lib/libgeneric.o in SPL binary - - CONFIG_SPL_ENV_SUPPORT - Support for the environment operating in SPL binary - - CONFIG_SPL_NET_SUPPORT - Support for the net/libnet.o in SPL binary. - It conflicts with SPL env from storage medium specified by - CONFIG_ENV_IS_xxx but CONFIG_ENV_IS_NOWHERE - CONFIG_SPL_PAD_TO Image offset to which the SPL should be padded before appending the SPL payload. By default, this is defined as @@ -3836,9 +3802,6 @@ Configuration Settings: The memory will be freed (or in fact just forgotten) when U-Boot relocates itself. - Pre-relocation malloc() is only supported on ARM and sandbox - at present but is fairly easy to enable for other archs. - - CONFIG_SYS_MALLOC_SIMPLE Provides a simple and small malloc() and calloc() for those boards which do not use the full malloc in SPL (which is @@ -4810,7 +4773,7 @@ Low Level (hardware related) configuration options: - CONFIG_SKIP_LOWLEVEL_INIT_ONLY [ARM926EJ-S only] This allows just the call to lowlevel_init() - to be skipped. The normal CPU15 init (such as enabling the + to be skipped. The normal CP15 init (such as enabling the instruction cache) is still performed. - CONFIG_SPL_BUILD @@ -4942,12 +4905,6 @@ The Freescale Layerscape Debug Server Support supports the loading of "Debug Server firmware" and triggering SP boot-rom. This firmware often needs to be loaded during U-Boot booting. -- CONFIG_FSL_DEBUG_SERVER - Enable the Debug Server for Layerscape SoCs. - -- CONFIG_SYS_DEBUG_SERVER_DRAM_BLOCK_MIN_SIZE - Define minimum DDR size required for debug server image - - CONFIG_SYS_MC_RSV_MEM_ALIGN Define alignment of reserved memory MC requires @@ -5079,33 +5036,10 @@ official or latest in the git repository) version of U-Boot sources. But before you submit such a patch, please verify that your modifi- cation did not break existing code. At least make sure that *ALL* of the supported boards compile WITHOUT ANY compiler warnings. To do so, -just run the "MAKEALL" script, which will configure and build U-Boot -for ALL supported system. Be warned, this will take a while. You can -select which (cross) compiler to use by passing a `CROSS_COMPILE' -environment variable to the script, i. e. to use the ELDK cross tools -you can type - - CROSS_COMPILE=ppc_8xx- MAKEALL - -or to build on a native PowerPC system you can type - - CROSS_COMPILE=' ' MAKEALL - -When using the MAKEALL script, the default behaviour is to build -U-Boot in the source directory. This location can be changed by -setting the BUILD_DIR environment variable. Also, for each target -built, the MAKEALL script saves two log files (.ERR and -.MAKEALL) in the /LOG directory. This default -location can be changed by setting the MAKEALL_LOGDIR environment -variable. For example: - - export BUILD_DIR=/tmp/build - export MAKEALL_LOGDIR=/tmp/log - CROSS_COMPILE=ppc_8xx- MAKEALL - -With the above settings build objects are saved in the /tmp/build, -log files are saved in the /tmp/log and the source tree remains clean -during the whole build process. +just run the buildman script (tools/buildman/buildman), which will +configure and build U-Boot for ALL supported system. Be warned, this +will take a while. Please see the buildman README, or run 'buildman -H' +for documentation. See also "U-Boot Porting Guide" below. @@ -6561,7 +6495,7 @@ it: Notes: -* Before sending the patch, run the MAKEALL script on your patched +* Before sending the patch, run the buildman script on your patched source tree and make sure that no errors or warnings are reported for any of the boards.