X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=README;h=f28817622820eace9a7d6c95c7e372aaa3033ab1;hb=a722359de4e1f68ad2392b2eb88cfca55f129637;hp=1edf3dbbd83bbc38587a13b5529d3e12f3631895;hpb=8f1a80e99e4a838d1540cdb1d59ccc7785fe4618;p=people%2Fms%2Fu-boot.git diff --git a/README b/README index 1edf3dbbd8..f288176228 100644 --- a/README +++ b/README @@ -312,6 +312,19 @@ Many of the options are named exactly as the corresponding Linux kernel configuration options. The intention is to make it easier to build a config tool - later. +- ARM Platform Bus Type(CCI): + CoreLink Cache Coherent Interconnect (CCI) is ARM BUS which + provides full cache coherency between two clusters of multi-core + CPUs and I/O coherency for devices and I/O masters + + CONFIG_SYS_FSL_HAS_CCI400 + + Defined For SoC that has cache coherent interconnect + CCN-400 + + CONFIG_SYS_FSL_HAS_CCN504 + + Defined for SoC that has cache coherent interconnect CCN-504 The following options need to be configured: @@ -404,12 +417,6 @@ The following options need to be configured: supported, core will start to execute uboot when wakes up. - Generic CPU options: - CONFIG_SYS_GENERIC_GLOBAL_DATA - Defines global data is initialized in generic board board_init_f(). - If this macro is defined, global data is created and cleared in - generic board board_init_f(). Without this macro, architecture/board - should initialize global data before calling board_init_f(). - CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN Defines the endianess of the CPU. Implementation of those @@ -699,11 +706,6 @@ The following options need to be configured: when no character is read on the console interface within "Boot Delay" after reset. - CONFIG_BOOTARGS - This can be used to pass arguments to the bootm - command. The value of CONFIG_BOOTARGS goes into the - environment value "bootargs". - CONFIG_RAMBOOT and CONFIG_NFSBOOT The value of these goes into the environment as "ramboot" and "nfsboot" respectively, and can be used @@ -756,111 +758,6 @@ The following options need to be configured: Select one of the baudrates listed in CONFIG_SYS_BAUDRATE_TABLE, see below. -- Monitor Functions: - Monitor commands can be included or excluded - from the build by using the #include files - and #undef'ing unwanted - commands, or adding #define's for wanted commands. - - The default command configuration includes all commands - except those marked below with a "*". - - CONFIG_CMD_AES AES 128 CBC encrypt/decrypt - CONFIG_CMD_ASKENV * ask for env variable - CONFIG_CMD_BDI bdinfo - CONFIG_CMD_BOOTD bootd - CONFIG_CMD_BOOTI * ARM64 Linux kernel Image support - CONFIG_CMD_CACHE * icache, dcache - CONFIG_CMD_CONSOLE coninfo - CONFIG_CMD_DHCP * DHCP support - CONFIG_CMD_DIAG * Diagnostics - CONFIG_CMD_ECHO echo arguments - CONFIG_CMD_EDITENV edit env variable - CONFIG_CMD_ELF * bootelf, bootvx - CONFIG_CMD_ENV_EXISTS * check existence of env variable - CONFIG_CMD_EXPORTENV * export the environment - CONFIG_CMD_EXT2 * ext2 command support - CONFIG_CMD_EXT4 * ext4 command support - CONFIG_CMD_FS_GENERIC * filesystem commands (e.g. load, ls) - that work for multiple fs types - CONFIG_CMD_FS_UUID * Look up a filesystem UUID - CONFIG_CMD_SAVEENV saveenv - CONFIG_CMD_FLASH flinfo, erase, protect - CONFIG_CMD_FPGA FPGA device initialization support - CONFIG_CMD_GO * the 'go' command (exec code) - CONFIG_CMD_GREPENV * search environment - CONFIG_CMD_I2C * I2C serial bus support - CONFIG_CMD_IMI iminfo - CONFIG_CMD_IMLS List all images found in NOR flash - CONFIG_CMD_IMLS_NAND * List all images found in NAND flash - CONFIG_CMD_IMPORTENV * import an environment - CONFIG_CMD_INI * import data from an ini file into the env - CONFIG_CMD_ITEST Integer/string test of 2 values - CONFIG_CMD_LDRINFO * ldrinfo (display Blackfin loader) - CONFIG_CMD_LINK_LOCAL * link-local IP address auto-configuration - (169.254.*.*) - CONFIG_CMD_LOADB loadb - CONFIG_CMD_LOADS loads - CONFIG_CMD_MD5SUM * print md5 message digest - (requires CONFIG_CMD_MEMORY and CONFIG_MD5) - CONFIG_CMD_MEMINFO * Display detailed memory information - CONFIG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base, - loop, loopw - CONFIG_CMD_MEMTEST * mtest - CONFIG_CMD_MISC Misc functions like sleep etc - CONFIG_CMD_MMC * MMC memory mapped support - CONFIG_CMD_MII * MII utility commands - CONFIG_CMD_NET bootp, tftpboot, rarpboot - CONFIG_CMD_NFS NFS support - CONFIG_CMD_PCA953X * PCA953x I2C gpio commands - CONFIG_CMD_PCA953X_INFO * PCA953x I2C gpio info command - CONFIG_CMD_PCI * pciinfo - CONFIG_CMD_PCMCIA * PCMCIA support - 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_SANDBOX * sb command to access sandbox features - CONFIG_CMD_SAVES * save S record dump - CONFIG_CMD_SDRAM * print SDRAM configuration information - (requires CONFIG_CMD_I2C) - CONFIG_CMD_SF * Read/write/erase SPI NOR flash - CONFIG_CMD_SOFTSWITCH * Soft switch setting command for BF60x - CONFIG_CMD_SOURCE "source" command Support - CONFIG_CMD_SPI * SPI serial bus support - CONFIG_CMD_TFTPSRV * TFTP transfer in server mode - CONFIG_CMD_TFTPPUT * TFTP put command (upload) - CONFIG_CMD_TIME * run command and report execution time (ARM specific) - CONFIG_CMD_TIMER * access to the system tick timer - CONFIG_CMD_USB * USB support - CONFIG_CMD_CDP * Cisco Discover Protocol support - CONFIG_CMD_MFSL * Microblaze FSL support - CONFIG_CMD_XIMG Load part of Multi Image - CONFIG_CMD_UUID * Generate random UUID or GUID string - - EXAMPLE: If you want all functions except of network - support you can write: - - #include "config_cmd_all.h" - #undef CONFIG_CMD_NET - - Other Commands: - fdt (flattened device tree) command: CONFIG_OF_LIBFDT - - Note: Don't enable the "icache" and "dcache" commands - (configuration option CONFIG_CMD_CACHE) unless you know - what you (and your U-Boot users) are doing. Data - cache cannot be enabled on systems like the - 8xx (where accesses to the IMMR region must be - uncached), and it cannot be disabled on all other - systems where we (mis-) use the data cache to hold an - initial stack and some data. - - - XXX - this list needs to get updated! - - Removal of commands If no commands are needed to boot, you can disable CONFIG_CMDLINE to remove them. In this case, the command line @@ -892,7 +789,7 @@ The following options need to be configured: binary in its image. This device tree file should be in the board directory and called -.dts. The binary file is then picked up in board_init_f() and made available through - the global data structure as gd->blob. + the global data structure as gd->fdt_blob. CONFIG_OF_SEPARATE If this variable is defined, U-Boot will build a device tree @@ -1062,10 +959,6 @@ The following options need to be configured: Allow generic access to the SPI bus on the Intel 8257x, for example with the "sspi" command. - CONFIG_CMD_E1000 - Management command for E1000 devices. When used on devices - with SPI support you can reprogram the EEPROM from U-Boot. - CONFIG_EEPRO100 Support for Intel 82557/82559/82559ER chips. Optional CONFIG_EEPRO100_SROM_WRITE enables EEPROM @@ -1135,21 +1028,6 @@ The following options need to be configured: control registers. This behavior won't affect the correctnessof 10/100 link speed update. - CONFIG_SMC911X - Support for SMSC's LAN911x and LAN921x chips - - CONFIG_SMC911X_BASE - Define this to hold the physical address - of the device (I/O space) - - CONFIG_SMC911X_32_BIT - Define this if data bus is 32 bits - - CONFIG_SMC911X_16_BIT - Define this if data bus is 16 bits. If your processor - automatically converts one 32 bit word to two 16 bit - words you may also try CONFIG_SMC911X_32_BIT. - CONFIG_SH_ETHER Support for Renesas on-chip Ethernet controller @@ -1200,11 +1078,6 @@ The following options need to be configured: to. Contemporary x86 systems usually map it at 0xfed40000. - CONFIG_CMD_TPM - Add tpm monitor functions. - Requires CONFIG_TPM. If CONFIG_TPM_AUTH_SESSIONS is set, also - provides monitor access to authorized functions. - CONFIG_TPM Define this to enable the TPM support library which provides functional interfaces to some TPM commands. @@ -1332,12 +1205,6 @@ The following options need to be configured: CONFIG_USB_FUNCTION_DFU This enables the USB portion of the DFU USB class - CONFIG_CMD_DFU - This enables the command "dfu" which is used to have - U-Boot create a DFU class device via USB. This command - requires that the "dfu_alt_info" environment variable be - set and define the alt settings to expose to the host. - CONFIG_DFU_MMC This enables support for exposing (e)MMC devices via DFU. @@ -1373,57 +1240,6 @@ The following options need to be configured: entering dfuMANIFEST state. Host waits this timeout, before sending again an USB request to the device. -- USB Device Android Fastboot support: - CONFIG_USB_FUNCTION_FASTBOOT - This enables the USB part of the fastboot gadget - - CONFIG_CMD_FASTBOOT - This enables the command "fastboot" which enables the Android - fastboot mode for the platform's USB device. Fastboot is a USB - protocol for downloading images, flashing and device control - used on Android devices. - See doc/README.android-fastboot for more information. - - CONFIG_ANDROID_BOOT_IMAGE - This enables support for booting images which use the Android - image format header. - - CONFIG_FASTBOOT_BUF_ADDR - The fastboot protocol requires a large memory buffer for - downloads. Define this to the starting RAM address to use for - downloaded images. - - CONFIG_FASTBOOT_BUF_SIZE - The fastboot protocol requires a large memory buffer for - downloads. This buffer should be as large as possible for a - platform. Define this to the size available RAM for fastboot. - - CONFIG_FASTBOOT_FLASH - The fastboot protocol includes a "flash" command for writing - the downloaded image to a non-volatile storage device. Define - this to enable the "fastboot flash" command. - - CONFIG_FASTBOOT_FLASH_MMC_DEV - The fastboot "flash" command requires additional information - regarding the non-volatile storage device. Define this to - the eMMC device that fastboot should use to store the image. - - CONFIG_FASTBOOT_GPT_NAME - The fastboot "flash" command supports writing the downloaded - image to the Protective MBR and the Primary GUID Partition - Table. (Additionally, this downloaded image is post-processed - 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. - 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 Define these for a default partition on a NAND device @@ -1627,11 +1443,6 @@ The following options need to be configured: The clock frequency of the MII bus - CONFIG_PHY_GIGE - - If this option is set, support for speed/duplex - detection of gigabit PHY is included. - CONFIG_PHY_RESET_DELAY Some PHY like Intel LXT971A need extra delay after @@ -2486,20 +2297,8 @@ The following options need to be configured: this is instead controlled by the value of /config/load-environment. -- DataFlash Support: - CONFIG_HAS_DATAFLASH - - Defining this option enables DataFlash features and - allows to read/write in Dataflash via the standard - commands cp, md... - - Serial Flash support - CONFIG_CMD_SF - - Defining this option enables SPI flash commands - 'sf probe/read/write/erase/update'. - - Usage requires an initial 'probe' to define the serial + Usage requires an initial 'sf probe' to define the serial flash parameters, followed by read/write/erase/update commands. @@ -2512,12 +2311,6 @@ The following options need to be configured: CONFIG_SF_DEFAULT_MODE (see include/spi.h) CONFIG_SF_DEFAULT_SPEED in Hz - CONFIG_CMD_SF_TEST - - Define this option to include a destructive SPI flash - test ('sf test'). - -- SystemACE Support: CONFIG_SYSTEMACE Adding this option adds support for Xilinx SystemACE @@ -3033,10 +2826,6 @@ FIT uImage format: Define this if you need to first read the OOB and then the data. This is used, for example, on davinci platforms. - CONFIG_SPL_OMAP3_ID_NAND - Support for an OMAP3-specific set of functions to return the - ID and MFR of the first attached NAND chip, if present. - CONFIG_SPL_RAM_DEVICE Support for running image already present in ram, in SPL binary @@ -3434,7 +3223,7 @@ but it can not erase, write this NOR flash by SRIO or PCIE interface. Please note that the environment is read-only until the monitor has been relocated to RAM and a RAM copy of the environment has been -created; also, when using EEPROM you will have to use getenv_f() +created; also, when using EEPROM you will have to use env_get_f() until then to read environment variables. The environment is protected by a CRC32 checksum. Before the monitor @@ -3698,7 +3487,7 @@ Low Level (hardware related) configuration options: - CONFIG_LOOPW Add the "loopw" memory command. This only takes effect if - the memory commands are activated globally (CONFIG_CMD_MEM). + the memory commands are activated globally (CONFIG_CMD_MEMORY). - CONFIG_MX_CYCLIC Add the "mdc" and "mwc" memory commands. These are cyclic @@ -3712,7 +3501,7 @@ Low Level (hardware related) configuration options: This command will write 12345678 to address 100 all 10 ms. This only takes effect if the memory commands are activated - globally (CONFIG_CMD_MEM). + globally (CONFIG_CMD_MEMORY). - CONFIG_SKIP_LOWLEVEL_INIT [ARM, NDS32, MIPS only] If this variable is defined, then certain