- lib_mips Files generic to MIPS architecture
- lib_nios Files generic to NIOS architecture
- lib_ppc Files generic to PowerPC architecture
+- libfdt Library files to support flattened device trees
- net Networking code
- post Power On Self Test
- rtc Real Time Clock drivers
expect it to be in bytes, others in MB.
Define CONFIG_MEMSIZE_IN_BYTES to make it in bytes.
- CONFIG_OF_FLAT_TREE
+ CONFIG_OF_LIBFDT / CONFIG_OF_FLAT_TREE
New kernel versions are expecting firmware settings to be
- passed using flat open firmware trees.
- The environment variable "disable_of", when set, disables this
- functionality.
+ passed using flattened device trees (based on open firmware
+ concepts).
+
+ CONFIG_OF_LIBFDT
+ * New libfdt-based support
+ * Adds the "fdt" command
+ * The bootm command does _not_ modify the fdt
+
+ CONFIG_OF_FLAT_TREE
+ * Deprecated, see CONFIG_OF_LIBFDT
+ * Original ft_build.c-based support
+ * Automatically modifies the dft as part of the bootm command
+ * The environment variable "disable_of", when set,
+ disables this functionality.
CONFIG_OF_FLAT_TREE_MAX_SIZE
CONFIG_OF_HAS_BD_T
- The resulting flat device tree will have a copy of the bd_t.
- Space should be pre-allocated in the dts for the bd_t.
+ * CONFIG_OF_LIBFDT - enables the "fdt bd_t" command
+ * CONFIG_OF_FLAT_TREE - The resulting flat device tree
+ will have a copy of the bd_t. Space should be
+ pre-allocated in the dts for the bd_t.
CONFIG_OF_HAS_UBOOT_ENV
- The resulting flat device tree will have a copy of u-boot's
- environment variables
+ * CONFIG_OF_LIBFDT - enables the "fdt bd_t" command
+ * CONFIG_OF_FLAT_TREE - The resulting flat device tree
+ will have a copy of u-boot's environment variables
CONFIG_OF_BOARD_SETUP
CFG_CONSOLE_BLINK_COUNT blink interval (cf. i8042.c)
CONFIG_CONSOLE_TIME display time/date info in
upper right corner
- (requires CFG_CMD_DATE)
+ (requires CONFIG_CMD_DATE)
CONFIG_VIDEO_LOGO display Linux logo in
upper left corner
CONFIG_VIDEO_BMP_LOGO use bmp_logo.h instead of
time on others. This setting #define's the initial
value of the "loads_echo" environment variable.
-- Kgdb Serial Baudrate: (if CFG_CMD_KGDB is defined)
+- Kgdb Serial Baudrate: (if CONFIG_CMD_KGDB is defined)
CONFIG_KGDB_BAUDRATE
Select one of the baudrates listed in
CFG_BAUDRATE_TABLE, see below.
- Monitor Functions:
- CONFIG_COMMANDS
- Most monitor functions can be selected (or
- de-selected) by adjusting the definition of
- CONFIG_COMMANDS; to select individual functions,
- #define CONFIG_COMMANDS by "OR"ing any of the
- following values:
-
- #define enables commands:
- -------------------------
- CFG_CMD_ASKENV * ask for env variable
- CFG_CMD_AUTOSCRIPT Autoscript Support
- CFG_CMD_BDI bdinfo
- CFG_CMD_BEDBUG * Include BedBug Debugger
- CFG_CMD_BMP * BMP support
- CFG_CMD_BSP * Board specific commands
- CFG_CMD_BOOTD bootd
- CFG_CMD_CACHE * icache, dcache
- CFG_CMD_CONSOLE coninfo
- CFG_CMD_DATE * support for RTC, date/time...
- CFG_CMD_DHCP * DHCP support
- CFG_CMD_DIAG * Diagnostics
- CFG_CMD_DOC * Disk-On-Chip Support
- CFG_CMD_DTT * Digital Therm and Thermostat
- CFG_CMD_ECHO echo arguments
- CFG_CMD_EEPROM * EEPROM read/write support
- CFG_CMD_ELF * bootelf, bootvx
- CFG_CMD_ENV saveenv
- CFG_CMD_FDC * Floppy Disk Support
- CFG_CMD_FAT * FAT partition support
- CFG_CMD_FDOS * Dos diskette Support
- CFG_CMD_FLASH flinfo, erase, protect
- CFG_CMD_FPGA FPGA device initialization support
- CFG_CMD_HWFLOW * RTS/CTS hw flow control
- CFG_CMD_I2C * I2C serial bus support
- CFG_CMD_IDE * IDE harddisk support
- CFG_CMD_IMI iminfo
- CFG_CMD_IMLS List all found images
- CFG_CMD_IMMAP * IMMR dump support
- CFG_CMD_IRQ * irqinfo
- CFG_CMD_ITEST Integer/string test of 2 values
- CFG_CMD_JFFS2 * JFFS2 Support
- CFG_CMD_KGDB * kgdb
- CFG_CMD_LOADB loadb
- CFG_CMD_LOADS loads
- CFG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base,
- loop, loopw, mtest
- CFG_CMD_MISC Misc functions like sleep etc
- CFG_CMD_MMC * MMC memory mapped support
- CFG_CMD_MII * MII utility commands
- CFG_CMD_NAND * NAND support
- CFG_CMD_NET bootp, tftpboot, rarpboot
- CFG_CMD_PCI * pciinfo
- CFG_CMD_PCMCIA * PCMCIA support
- CFG_CMD_PING * send ICMP ECHO_REQUEST to network host
- CFG_CMD_PORTIO * Port I/O
- CFG_CMD_REGINFO * Register dump
- CFG_CMD_RUN run command in env variable
- CFG_CMD_SAVES * save S record dump
- CFG_CMD_SCSI * SCSI Support
- CFG_CMD_SDRAM * print SDRAM configuration information
- (requires CFG_CMD_I2C)
- CFG_CMD_SETGETDCR Support for DCR Register access (4xx only)
- CFG_CMD_SPI * SPI serial bus support
- CFG_CMD_USB * USB support
- CFG_CMD_VFD * VFD support (TRAB)
- CFG_CMD_BSP * Board SPecific functions
- CFG_CMD_CDP * Cisco Discover Protocol support
- -----------------------------------------------
- CFG_CMD_ALL all
-
- CONFIG_CMD_DFL Default configuration; at the moment
- this is includes all commands, except
- the ones marked with "*" in the list
- above.
-
- If you don't define CONFIG_COMMANDS it defaults to
- CONFIG_CMD_DFL in include/cmd_confdefs.h. A board can
- override the default settings in the respective
- include file.
+ Monitor commands can be included or excluded
+ from the build by using the #include files
+ "config_cmd_all.h" and #undef'ing unwanted
+ commands, or using "config_cmd_default.h"
+ and augmenting with additional #define's
+ for wanted commands.
+
+ The default command configuration includes all commands
+ except those marked below with a "*".
+
+ CONFIG_CMD_ASKENV * ask for env variable
+ CONFIG_CMD_AUTOSCRIPT Autoscript Support
+ CONFIG_CMD_BDI bdinfo
+ CONFIG_CMD_BEDBUG * Include BedBug Debugger
+ CONFIG_CMD_BMP * BMP support
+ CONFIG_CMD_BSP * Board specific commands
+ CONFIG_CMD_BOOTD bootd
+ CONFIG_CMD_CACHE * icache, dcache
+ CONFIG_CMD_CONSOLE coninfo
+ CONFIG_CMD_DATE * support for RTC, date/time...
+ CONFIG_CMD_DHCP * DHCP support
+ CONFIG_CMD_DIAG * Diagnostics
+ CONFIG_CMD_DOC * Disk-On-Chip Support
+ CONFIG_CMD_DTT * Digital Therm and Thermostat
+ CONFIG_CMD_ECHO echo arguments
+ CONFIG_CMD_EEPROM * EEPROM read/write support
+ CONFIG_CMD_ELF * bootelf, bootvx
+ CONFIG_CMD_ENV saveenv
+ CONFIG_CMD_FDC * Floppy Disk Support
+ CONFIG_CMD_FAT * FAT partition support
+ CONFIG_CMD_FDOS * Dos diskette Support
+ CONFIG_CMD_FLASH flinfo, erase, protect
+ CONFIG_CMD_FPGA FPGA device initialization support
+ CONFIG_CMD_HWFLOW * RTS/CTS hw flow control
+ CONFIG_CMD_I2C * I2C serial bus support
+ CONFIG_CMD_IDE * IDE harddisk support
+ CONFIG_CMD_IMI iminfo
+ CONFIG_CMD_IMLS List all found images
+ CONFIG_CMD_IMMAP * IMMR dump support
+ CONFIG_CMD_IRQ * irqinfo
+ CONFIG_CMD_ITEST Integer/string test of 2 values
+ CONFIG_CMD_JFFS2 * JFFS2 Support
+ CONFIG_CMD_KGDB * kgdb
+ CONFIG_CMD_LOADB loadb
+ CONFIG_CMD_LOADS loads
+ CONFIG_CMD_MEMORY md, mm, nm, mw, cp, cmp, crc, base,
+ loop, loopw, mtest
+ CONFIG_CMD_MISC Misc functions like sleep etc
+ CONFIG_CMD_MMC * MMC memory mapped support
+ CONFIG_CMD_MII * MII utility commands
+ CONFIG_CMD_NAND * NAND support
+ CONFIG_CMD_NET bootp, tftpboot, rarpboot
+ 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_REGINFO * Register dump
+ CONFIG_CMD_RUN run command in env variable
+ CONFIG_CMD_SAVES * save S record dump
+ CONFIG_CMD_SCSI * SCSI Support
+ CONFIG_CMD_SDRAM * print SDRAM configuration information
+ (requires CONFIG_CMD_I2C)
+ CONFIG_CMD_SETGETDCR Support for DCR Register access
+ (4xx only)
+ CONFIG_CMD_SPI * SPI serial bus support
+ CONFIG_CMD_USB * USB support
+ CONFIG_CMD_VFD * VFD support (TRAB)
+ CONFIG_CMD_BSP * Board SPecific functions
+ CONFIG_CMD_CDP * Cisco Discover Protocol support
+ CONFIG_CMD_FSL * Microblaze FSL support
+
EXAMPLE: If you want all functions except of network
support you can write:
- #define CONFIG_COMMANDS (CFG_CMD_ALL & ~CFG_CMD_NET)
+ #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 CFG_CMD_CACHE) unless you know
+ (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 or
8260 (where accesses to the IMMR region must be
- Real-Time Clock:
- When CFG_CMD_DATE is selected, the type of the RTC
+ When CONFIG_CMD_DATE is selected, the type of the RTC
has to be selected, too. Define exactly one of the
following options:
When CONFIG_TIMESTAMP is selected, the timestamp
(date and time) of an image is printed by image
commands like bootm or iminfo. This option is
- automatically enabled when you select CFG_CMD_DATE .
+ automatically enabled when you select CONFIG_CMD_DATE .
- Partition Support:
CONFIG_MAC_PARTITION and/or CONFIG_DOS_PARTITION
and/or CONFIG_ISO_PARTITION
- If IDE or SCSI support is enabled (CFG_CMD_IDE or
- CFG_CMD_SCSI) you must configure support for at least
+ If IDE or SCSI support is enabled (CONFIG_CMD_IDE or
+ CONFIG_CMD_SCSI) you must configure support for at least
one partition type as well.
- IDE Reset method:
enable this define CONFIG_MMC. The MMC can be
accessed from the boot prompt by mapping the device
to physical memory similar to flash. Command line is
- enabled with CFG_CMD_MMC. The MMC driver also works with
- the FAT fs. This is enabled with CFG_CMD_FAT.
+ enabled with CONFIG_CMD_MMC. The MMC driver also works with
+ the FAT fs. This is enabled with CONFIG_CMD_FAT.
- Journaling Flash filesystem support:
CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
include the appropriate I2C driver for the selected cpu.
This will allow you to use i2c commands at the u-boot
- command line (as long as you set CFG_CMD_I2C in
+ command line (as long as you set CONFIG_CMD_I2C in
CONFIG_COMMANDS) and communicate with i2c based realtime
clock chips. See common/cmd_i2c.c for a description of the
command line interface.
If defined, then this indicates the I2C bus number for DDR SPD.
If not defined, then U-Boot assumes that SPD is on I2C bus 0.
+ CFG_RTC_BUS_NUM
+
+ If defined, then this indicates the I2C bus number for the RTC.
+ If not defined, then U-Boot assumes that RTC is on I2C bus 0.
+
+ CFG_DTT_BUS_NUM
+
+ If defined, then this indicates the I2C bus number for the DTT.
+ If not defined, then U-Boot assumes that DTT is on I2C bus 0.
+
CONFIG_FSL_I2C
Define this option if you want to use Freescale's I2C driver in
- CONFIG_LOOPW
Add the "loopw" memory command. This only takes effect if
- the memory commands are activated globally (CFG_CMD_MEM).
+ the memory commands are activated globally (CONFIG_CMD_MEM).
- CONFIG_MX_CYCLIC
Add the "mdc" and "mwc" memory commands. These are cyclic
This command will write 12345678 to address 100 all 10 ms.
This only takes effect if the memory commands are activated
- globally (CFG_CMD_MEM).
+ globally (CONFIG_CMD_MEM).
- CONFIG_SKIP_LOWLEVEL_INIT
- CONFIG_SKIP_RELOCATE_UBOOT
csb272_config lwmon_config sbc8260_config
CU824_config MBX860T_config sbc8560_33_config
DUET_ADS_config MBX_config sbc8560_66_config
- EBONY_config MPC8260ADS_config SM850_config
- ELPT860_config MPC8540ADS_config SPD823TS_config
- ESTEEM192E_config MPC8540EVAL_config stxgp3_config
- ETX094_config MPC8560ADS_config SXNI855T_config
- FADS823_config NETVIA_config TQM823L_config
- FADS850SAR_config omap1510inn_config TQM850L_config
- FADS860T_config omap1610h2_config TQM855L_config
- FPS850L_config omap1610inn_config TQM860L_config
- omap5912osk_config walnut_config
- omap2420h4_config Yukon8220_config
- ZPC1900_config
+ EBONY_config mpc7448hpc2_config SM850_config
+ ELPT860_config MPC8260ADS_config SPD823TS_config
+ ESTEEM192E_config MPC8540ADS_config stxgp3_config
+ ETX094_config MPC8540EVAL_config SXNI855T_config
+ FADS823_config NMPC8560ADS_config TQM823L_config
+ FADS850SAR_config NETVIA_config TQM850L_config
+ FADS860T_config omap1510inn_config TQM855L_config
+ FPS850L_config omap1610h2_config TQM860L_config
+ omap1610inn_config walnut_config
+ omap5912osk_config Yukon8220_config
+ omap2420h4_config ZPC1900_config
Note: for some board special configuration names may exist; check if
additional information is available from the board vendor; for
projects / karo-tx-uboot.git / blobdiff