/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
/arm926ejs Files specific to ARM 926 CPUs
/arm1136 Files specific to ARM 1136 CPUs
- /ixp Files specific to Intel XScale IXP CPUs
/pxa Files specific to Intel XScale PXA CPUs
/sa1100 Files specific to Intel StrongARM SA1100 CPUs
/lib Architecture specific library files
CONFIG_SYS_FSL_DSP_CCSRBAR_DEFAULT
This value denotes start offset of DSP CCSR space.
- CONFIG_SYS_FSL_DDR_EMU
- Specify emulator support for DDR. Some DDR features such as
- deskew training are not available.
+ CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
+ Single Source Clock is clocking mode present in some of FSL SoC's.
+ In this mode, a single differential clock is used to supply
+ clocks to the sysclock, ddrclock and usbclock.
- Generic CPU options:
CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN
Defines the endianess of the CPU. Implementation of those
values is arch specific.
+ CONFIG_SYS_FSL_DDR
+ Freescale DDR driver in use. This type of DDR controller is
+ found in mpc83xx, mpc85xx, mpc86xx as well as some ARM core
+ SoCs.
+
+ CONFIG_SYS_FSL_DDR_ADDR
+ Freescale DDR memory-mapped register base.
+
+ CONFIG_SYS_FSL_DDR_EMU
+ Specify emulator support for DDR. Some DDR features such as
+ deskew training are not available.
+
+ CONFIG_SYS_FSL_DDRC_GEN1
+ Freescale DDR1 controller.
+
+ CONFIG_SYS_FSL_DDRC_GEN2
+ Freescale DDR2 controller.
+
+ CONFIG_SYS_FSL_DDRC_GEN3
+ Freescale DDR3 controller.
+
+ CONFIG_SYS_FSL_DDRC_ARM_GEN3
+ Freescale DDR3 controller for ARM-based SoCs.
+
+ CONFIG_SYS_FSL_DDR1
+ Board config to use DDR1. It can be enabled for SoCs with
+ Freescale DDR1 or DDR2 controllers, depending on the board
+ implemetation.
+
+ CONFIG_SYS_FSL_DDR2
+ Board config to use DDR2. It can be eanbeld for SoCs with
+ Freescale DDR2 or DDR3 controllers, depending on the board
+ implementation.
+
+ CONFIG_SYS_FSL_DDR3
+ Board config to use DDR3. It can be enabled for SoCs with
+ Freescale DDR3 controllers.
+
+ CONFIG_SYS_FSL_IFC_BE
+ Defines the IFC controller register space as Big Endian
+
+ CONFIG_SYS_FSL_IFC_LE
+ Defines the IFC controller register space as Little Endian
+
+ CONFIG_SYS_FSL_PBL_PBI
+ It enables addition of RCW (Power on reset configuration) in built image.
+ Please refer doc/README.pblimage for more details
+
+ CONFIG_SYS_FSL_PBL_RCW
+ It adds PBI(pre-boot instructions) commands in u-boot build image.
+ PBI commands can be used to configure SoC before it starts the execution.
+ Please refer doc/README.pblimage for more details
+
+ CONFIG_SYS_FSL_DDR_BE
+ Defines the DDR controller register space as Big Endian
+
+ CONFIG_SYS_FSL_DDR_LE
+ Defines the DDR controller register space as Little Endian
+
+ CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY
+ Physical address from the view of DDR controllers. It is the
+ same as CONFIG_SYS_DDR_SDRAM_BASE for all Power SoCs. But
+ it could be different for ARM SoCs.
+
+ CONFIG_SYS_FSL_DDR_INTLV_256B
+ DDR controller interleaving on 256-byte. This is a special
+ interleaving mode, handled by Dickens for Freescale layerscape
+ SoCs with ARM core.
+
- Intel Monahans options:
CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO
the "silent" environment variable. See
doc/README.silent for more information.
+ CONFIG_SYS_CONSOLE_BG_COL: define the backgroundcolor, default
+ is 0x00.
+ CONFIG_SYS_CONSOLE_FG_COL: define the foregroundcolor, default
+ is 0xa0.
+
- Console Baudrate:
CONFIG_BAUDRATE - in bps
Select one of the baudrates listed in
as a convenience, when switching between booting from
RAM and NFS.
+- Bootcount:
+ CONFIG_BOOTCOUNT_LIMIT
+ Implements a mechanism for detecting a repeating reboot
+ cycle, see:
+ http://www.denx.de/wiki/view/DULG/UBootBootCountLimit
+
+ CONFIG_BOOTCOUNT_ENV
+ If no softreset save registers are found on the hardware
+ "bootcount" is stored in the environment. To prevent a
+ saveenv on all reboots, the environment variable
+ "upgrade_available" is used. If "upgrade_available" is
+ 0, "bootcount" is always 0, if "upgrade_available" is
+ 1 "bootcount" is incremented in the environment.
+ So the Userspace Applikation must set the "upgrade_available"
+ and "bootcount" variable to 0, if a boot was successfully.
+
- Pre-Boot Commands:
CONFIG_PREBOOT
CONFIG_CMD_BSP * Board specific commands
CONFIG_CMD_BOOTD bootd
CONFIG_CMD_CACHE * icache, dcache
+ CONFIG_CMD_CLK * clock command support
CONFIG_CMD_CONSOLE coninfo
CONFIG_CMD_CRC32 * crc32
CONFIG_CMD_DATE * support for RTC, date/time...
CONFIG_CMD_ELF * bootelf, bootvx
CONFIG_CMD_ENV_CALLBACK * display details about env callbacks
CONFIG_CMD_ENV_FLAGS * display details about env flags
+ 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_SAVEENV saveenv
CONFIG_CMD_FDC * Floppy Disk Support
CONFIG_CMD_FAT * FAT command support
- CONFIG_CMD_FDOS * Dos diskette Support
CONFIG_CMD_FLASH flinfo, erase, protect
CONFIG_CMD_FPGA FPGA device initialization support
CONFIG_CMD_FUSE * Device fuse support
- Regular expression support:
CONFIG_REGEX
- If this variable is defined, U-Boot is linked against
- the SLRE (Super Light Regular Expression) library,
- which adds regex support to some commands, as for
- example "env grep" and "setexpr".
+ If this variable is defined, U-Boot is linked against
+ the SLRE (Super Light Regular Expression) library,
+ which adds regex support to some commands, as for
+ example "env grep" and "setexpr".
- Device tree:
CONFIG_OF_CONTROL
- GPIO Support:
CONFIG_PCA953X - use NXP's PCA953X series I2C GPIO
- CONFIG_PCA953X_INFO - enable pca953x info command
The CONFIG_SYS_I2C_PCA953X_WIDTH option specifies a list of
chip-ngpio pairs that tell the PCA953X driver the number of
devices.
CONFIG_SYS_SCSI_SYM53C8XX_CCF to fix clock timing (80Mhz)
- The environment variable 'scsidevs' is set to the number of
- SCSI devices found during the last scan.
+ The environment variable 'scsidevs' is set to the number of
+ SCSI devices found during the last scan.
- NETWORK Support (PCI):
CONFIG_E1000
for your device
- CONFIG_USBD_PRODUCTID 0xFFFF
+ Some USB device drivers may need to check USB cable attachment.
+ In this case you can enable following config in BoardName.h:
+ CONFIG_USB_CABLE_CHECK
+ This enables function definition:
+ - usb_cable_connected() in include/usb.h
+ Implementation of this function is board-specific.
+
- ULPI Layer Support:
The ULPI (UTMI Low Pin (count) Interface) PHYs are supported via
the generic ULPI layer. The generic layer accesses the ULPI PHY
If this option is set, then U-Boot will prevent the environment
variable "splashimage" from being set to a problematic address
- (see README.displaying-bmps and README.arm-unaligned-accesses).
+ (see README.displaying-bmps).
This option is useful for targets where, due to alignment
restrictions, an improperly aligned BMP image will cause a data
abort. If you think you will not have problems with unaligned
kernel). Defining CONFIG_STATUS_LED enables this
feature in U-Boot.
+ Additional options:
+
+ CONFIG_GPIO_LED
+ The status LED can be connected to a GPIO pin.
+ In such cases, the gpio_led driver can be used as a
+ status LED backend implementation. Define CONFIG_GPIO_LED
+ to include the gpio_led driver in the U-Boot binary.
+
+ CONFIG_GPIO_LED_INVERTED_TABLE
+ Some GPIO connected LEDs may have inverted polarity in which
+ case the GPIO high value corresponds to LED off state and
+ GPIO low value corresponds to LED on state.
+ In such cases CONFIG_GPIO_LED_INVERTED_TABLE may be defined
+ with a list of GPIO LEDs that have inverted polarity.
+
- CAN Support: CONFIG_CAN_DRIVER
Defining CONFIG_CAN_DRIVER enables CAN driver support
offset CONFIG_SYS_FSL_I2C_SPEED for the i2c speed and
CONFIG_SYS_FSL_I2C_SLAVE for the slave addr of the first
bus.
- - If your board supports a second fsl i2c bus, define
+ - If your board supports a second fsl i2c bus, define
CONFIG_SYS_FSL_I2C2_OFFSET for the register offset
CONFIG_SYS_FSL_I2C2_SPEED for the speed and
CONFIG_SYS_FSL_I2C2_SLAVE for the slave address of the
second bus.
- drivers/i2c/tegra_i2c.c:
- - activate this driver with CONFIG_SYS_I2C_TEGRA
- - This driver adds 4 i2c buses with a fix speed from
- 100000 and the slave addr 0!
+ - activate this driver with CONFIG_SYS_I2C_TEGRA
+ - This driver adds 4 i2c buses with a fix speed from
+ 100000 and the slave addr 0!
- drivers/i2c/ppc4xx_i2c.c
- activate this driver with CONFIG_SYS_I2C_PPC4XX
- CONFIG_SYS_I2C_PPC4XX_CH0 activate hardware channel 0
- CONFIG_SYS_I2C_PPC4XX_CH1 activate hardware channel 1
+ - drivers/i2c/i2c_mxc.c
+ - activate this driver with CONFIG_SYS_I2C_MXC
+ - define speed for bus 1 with CONFIG_SYS_MXC_I2C1_SPEED
+ - define slave for bus 1 with CONFIG_SYS_MXC_I2C1_SLAVE
+ - define speed for bus 2 with CONFIG_SYS_MXC_I2C2_SPEED
+ - define slave for bus 2 with CONFIG_SYS_MXC_I2C2_SLAVE
+ - define speed for bus 3 with CONFIG_SYS_MXC_I2C3_SPEED
+ - define slave for bus 3 with CONFIG_SYS_MXC_I2C3_SLAVE
+ If thoses defines are not set, default value is 100000
+ for speed, and 0 for slave.
+
+ - drivers/i2c/rcar_i2c.c:
+ - activate this driver with CONFIG_SYS_I2C_RCAR
+ - This driver adds 4 i2c buses
+
+ - CONFIG_SYS_RCAR_I2C0_BASE for setting the register channel 0
+ - CONFIG_SYS_RCAR_I2C0_SPEED for for the speed channel 0
+ - CONFIG_SYS_RCAR_I2C1_BASE for setting the register channel 1
+ - CONFIG_SYS_RCAR_I2C1_SPEED for for the speed channel 1
+ - CONFIG_SYS_RCAR_I2C2_BASE for setting the register channel 2
+ - CONFIG_SYS_RCAR_I2C2_SPEED for for the speed channel 2
+ - CONFIG_SYS_RCAR_I2C3_BASE for setting the register channel 3
+ - CONFIG_SYS_RCAR_I2C3_SPEED for for the speed channel 3
+ - CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS for number of i2c buses
+
+ - drivers/i2c/sh_i2c.c:
+ - activate this driver with CONFIG_SYS_I2C_SH
+ - This driver adds from 2 to 5 i2c buses
+
+ - CONFIG_SYS_I2C_SH_BASE0 for setting the register channel 0
+ - CONFIG_SYS_I2C_SH_SPEED0 for for the speed channel 0
+ - CONFIG_SYS_I2C_SH_BASE1 for setting the register channel 1
+ - CONFIG_SYS_I2C_SH_SPEED1 for for the speed channel 1
+ - CONFIG_SYS_I2C_SH_BASE2 for setting the register channel 2
+ - CONFIG_SYS_I2C_SH_SPEED2 for for the speed channel 2
+ - CONFIG_SYS_I2C_SH_BASE3 for setting the register channel 3
+ - CONFIG_SYS_I2C_SH_SPEED3 for for the speed channel 3
+ - CONFIG_SYS_I2C_SH_BASE4 for setting the register channel 4
+ - CONFIG_SYS_I2C_SH_SPEED4 for for the speed channel 4
+ - CONFIG_SYS_I2C_SH_BASE5 for setting the register channel 5
+ - CONFIG_SYS_I2C_SH_SPEED5 for for the speed channel 5
+ - CONFIF_SYS_I2C_SH_NUM_CONTROLLERS for nummber of i2c buses
+
+ - drivers/i2c/omap24xx_i2c.c
+ - activate this driver with CONFIG_SYS_I2C_OMAP24XX
+ - CONFIG_SYS_OMAP24_I2C_SPEED speed channel 0
+ - CONFIG_SYS_OMAP24_I2C_SLAVE slave addr channel 0
+ - CONFIG_SYS_OMAP24_I2C_SPEED1 speed channel 1
+ - CONFIG_SYS_OMAP24_I2C_SLAVE1 slave addr channel 1
+ - CONFIG_SYS_OMAP24_I2C_SPEED2 speed channel 2
+ - CONFIG_SYS_OMAP24_I2C_SLAVE2 slave addr channel 2
+ - CONFIG_SYS_OMAP24_I2C_SPEED3 speed channel 3
+ - CONFIG_SYS_OMAP24_I2C_SLAVE3 slave addr channel 3
+ - CONFIG_SYS_OMAP24_I2C_SPEED4 speed channel 4
+ - CONFIG_SYS_OMAP24_I2C_SLAVE4 slave addr channel 4
+
+ - drivers/i2c/zynq_i2c.c
+ - activate this driver with CONFIG_SYS_I2C_ZYNQ
+ - set CONFIG_SYS_I2C_ZYNQ_SPEED for speed setting
+ - set CONFIG_SYS_I2C_ZYNQ_SLAVE for slave addr
+
+ - drivers/i2c/s3c24x0_i2c.c:
+ - activate this driver with CONFIG_SYS_I2C_S3C24X0
+ - This driver adds i2c buses (11 for Exynos5250, Exynos5420
+ 9 i2c buses for Exynos4 and 1 for S3C24X0 SoCs from Samsung)
+ with a fix speed from 100000 and the slave addr 0!
+
additional defines:
CONFIG_SYS_NUM_I2C_BUSES
Define this option to use the Bank addr/Extended addr
support on SPI flashes which has size > 16Mbytes.
+ CONFIG_SF_DUAL_FLASH Dual flash memories
+
+ Define this option to use dual flash support where two flash
+ memories can be connected with a given cs line.
+ currently Xilinx Zynq qspi support these type of connections.
+
- SystemACE Support:
CONFIG_SYSTEMACE
CONFIG_RSA
This enables the RSA algorithm used for FIT image verification
- in U-Boot. See doc/uImage/signature for more information.
+ in U-Boot. See doc/uImage.FIT/signature.txt for more information.
The signing part is build into mkimage regardless of this
option.
+- bootcount support:
+ CONFIG_BOOTCOUNT_LIMIT
+
+ This enables the bootcounter support, see:
+ http://www.denx.de/wiki/DULG/UBootBootCountLimit
+
+ CONFIG_AT91SAM9XE
+ enable special bootcounter support on at91sam9xe based boards.
+ CONFIG_BLACKFIN
+ enable special bootcounter support on blackfin based boards.
+ CONFIG_SOC_DA8XX
+ enable special bootcounter support on da850 based boards.
+ CONFIG_BOOTCOUNT_RAM
+ enable support for the bootcounter in RAM
+ CONFIG_BOOTCOUNT_I2C
+ enable support for the bootcounter on an i2c (like RTC) device.
+ CONFIG_SYS_I2C_RTC_ADDR = i2c chip address
+ CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for
+ the bootcounter.
+ CONFIG_BOOTCOUNT_ALEN = address len
- Show boot progress:
CONFIG_SHOW_BOOT_PROGRESS
CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
Set for the SPL on PPC mpc8xxx targets, support for
- arch/powerpc/cpu/mpc8xxx/ddr/libddr.o in SPL binary.
+ drivers/ddr/fsl/libddr.o in SPL binary.
CONFIG_SPL_COMMON_INIT_DDR
Set for common ddr init with serial presence detect in
Defines the size and behavior of the NAND that SPL uses
to read U-Boot
+ CONFIG_SPL_NAND_BOOT
+ Add support NAND boot
+
CONFIG_SYS_NAND_U_BOOT_OFFS
Location in NAND to read U-Boot from
CONFIG_TPL_PAD_TO
Image offset to which the TPL should be padded before appending
the TPL payload. By default, this is defined as
- CONFIG_SPL_MAX_SIZE, or 0 if CONFIG_SPL_MAX_SIZE is undefined.
- CONFIG_SPL_PAD_TO must be either 0, meaning to append the SPL
- payload without any padding, or >= CONFIG_SPL_MAX_SIZE.
+ CONFIG_SPL_MAX_SIZE, or 0 if CONFIG_SPL_MAX_SIZE is undefined.
+ CONFIG_SPL_PAD_TO must be either 0, meaning to append the SPL
+ payload without any padding, or >= CONFIG_SPL_MAX_SIZE.
Modem Support:
--------------
Configuration Settings:
-----------------------
+- CONFIG_SYS_SUPPORT_64BIT_DATA: Defined automatically if compiled as 64-bit.
+ Optionally it can be defined to support 64-bit memory commands.
+
- CONFIG_SYS_LONGHELP: Defined when you want long help messages included;
undefine this when you're short of memory.
its config.mk file). If you find problems enabling this option on
your board please report the problem and send patches!
-- CONFIG_SYS_SYM_OFFSETS
- This is set by architectures that use offsets for link symbols
- instead of absolute values. So bss_start is obtained using an
- offset _bss_start_ofs from CONFIG_SYS_TEXT_BASE, rather than
- directly. You should not need to touch this setting.
-
- CONFIG_OMAP_PLATFORM_RESET_TIME_MAX_USEC (OMAP only)
This is set by OMAP boards for the max time that reset should
be asserted. See doc/README.omap-reset-time for details on how
NOTE : currently only supported on AM335x platforms.
+- CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC:
+ Enables the RTC32K OSC on AM33xx based plattforms
+
Freescale QE/FMAN Firmware Support:
-----------------------------------
Load Address: 0x00000000
Entry Point: 0x00000000
+The "dumpimage" is a tool to disassemble images built by mkimage. Its "-i"
+option performs the converse operation of the mkimage's second form (the "-d"
+option). Given an image built by mkimage, the dumpimage extracts a "data file"
+from the image:
+
+ tools/dumpimage -i image -p position data_file
+ -i ==> extract from the 'image' a specific 'data_file', \
+ indexed by 'position'
+
Installing a Linux Image:
-------------------------
projects / karo-tx-uboot.git / blobdiff