- at32ap Files specific to Atmel AVR32 AP CPUs
- i386 Files specific to i386 CPUs
- ixp Files specific to Intel XScale IXP CPUs
+ - leon2 Files specific to Gaisler LEON2 SPARC CPU
+ - leon3 Files specific to Gaisler LEON3 SPARC CPU
- mcf52x2 Files specific to Freescale ColdFire MCF52x2 CPUs
- mcf5227x Files specific to Freescale ColdFire MCF5227x CPUs
- mcf532x Files specific to Freescale ColdFire MCF5329 CPUs
- lib_mips Files generic to MIPS architecture
- lib_nios Files generic to NIOS architecture
- lib_ppc Files generic to PowerPC architecture
+- lib_sparc Files generic to SPARC architecture
- libfdt Library files to support flattened device trees
- net Networking code
- post Power On Self Test
boards with QUICC Engines require OF_QE to set UCC mac addresses
- CONFIG_OF_HAS_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
-
- * CONFIG_OF_LIBFDT - enables the "fdt env" command
- * CONFIG_OF_FLAT_TREE - The resulting flat device tree
- will have a copy of u-boot's environment variables
-
CONFIG_OF_BOARD_SETUP
Board code has addition modification that it wants to make
CONFIG_RTC_MPC8xx - use internal RTC of MPC8xx
CONFIG_RTC_PCF8563 - use Philips PCF8563 RTC
+ CONFIG_RTC_MC13783 - use MC13783 RTC
CONFIG_RTC_MC146818 - use MC146818 RTC
CONFIG_RTC_DS1307 - use Maxim, Inc. DS1307 RTC
CONFIG_RTC_DS1337 - use Maxim, Inc. DS1337 RTC
CONFIG_E1000
Support for Intel 8254x gigabit chips.
+ CONFIG_E1000_FALLBACK_MAC
+ default MAC for empty eeprom after production.
+
CONFIG_EEPRO100
Support for Intel 82557/82559/82559ER chips.
Optional CONFIG_EEPRO100_SROM_WRITE enables eeprom
of the "hostname" environment variable is passed as
option 12 to the DHCP server.
+ CONFIG_BOOTP_DHCP_REQUEST_DELAY
+
+ A 32bit value in microseconds for a delay between
+ receiving a "DHCP Offer" and sending the "DHCP Request".
+ This fixes a problem with certain DHCP servers that don't
+ respond 100% of the time to a "DHCP request". E.g. On an
+ AT91RM9200 processor running at 180MHz, this delay needed
+ to be *at least* 15,000 usec before a Windows Server 2003
+ DHCP server would reply 100% of the time. I recommend at
+ least 50,000 usec to be safe. The alternative is to hope
+ that one of the retries will be successful but note that
+ the DHCP timeout and retry process takes a longer than
+ this delay.
+
- CDP Options:
CONFIG_CDP_DEVICE_ID
Currently supported on some MPC8xxx processors. For an
example, see include/configs/mpc8349emds.h.
+ CONFIG_MXC_SPI
+
+ Enables the driver for the SPI controllers on i.MX and MXC
+ SoCs. Currently only i.MX31 is supported.
+
- FPGA Support: CONFIG_FPGA
Enables FPGA subsystem.
before giving up the operation. If not defined, a
default value of 5 is used.
+ CONFIG_ARP_TIMEOUT
+
+ Timeout waiting for an ARP reply in milliseconds.
+
- Command Interpreter:
CONFIG_AUTO_COMPLETE
- CFG_BOOTMAPSZ:
Maximum size of memory mapped by the startup code of
the Linux kernel; all data that must be processed by
- the Linux kernel (bd_info, boot arguments, eventually
- initrd image) must be put below this limit.
+ the Linux kernel (bd_info, boot arguments, FDT blob if
+ used) must be put below this limit, unless "bootm_low"
+ enviroment variable is defined and non-zero. In such case
+ all data for the Linux kernel must be between "bootm_low"
+ and "bootm_low" + CFG_BOOTMAPSZ.
- CFG_MAX_FLASH_BANKS:
Max number of Flash memory banks
This option also enables the building of the cfi_flash driver
in the drivers directory
+- CFG_FLASH_USE_BUFFER_WRITE
+ Use buffered writes to flash.
+
+- CONFIG_FLASH_SPANSION_S29WS_N
+ s29ws-n MirrorBit flash has non-standard addresses for buffered
+ write commands.
+
- CFG_FLASH_QUIET_TEST
If this option is defined, the common CFI flash doesn't
print it's warning upon not recognized FLASH banks. This
bootfile - Name of the image to load with TFTP
+ bootm_low - Memory range available for image processing in the bootm
+ command can be restricted. This variable is given as
+ a hexadecimal number and defines lowest address allowed
+ for use by the bootm command. See also "bootm_size"
+ environment variable. Address defined by "bootm_low" is
+ also the base of the initial memory mapping for the Linux
+ kernel -- see the descripton of CFG_BOOTMAPSZ.
+
+ bootm_size - Memory range available for image processing in the bootm
+ command can be restricted. This variable is given as
+ a hexadecimal number and defines the size of the region
+ allowed for use by the bootm command. See also "bootm_low"
+ environment variable.
+
autoload - if set to "no" (any string beginning with 'n'),
"bootp" will just load perform a lookup of the
configuration from the BOOTP server, but not try to
projects / u-boot / blobdiff