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Primary Bootloader (before u-boot) in sysmoBTSv2
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Holger Hans Peter Freyther 910bd284c3
i2c: Enable i2c and perform bus clear procedure 		7 years ago
.gitignore git: Ignore the generated files 11 years ago
ChangeLog dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
Makefile misc: Build with no strict aliasing to avoid compiler warnings 9 years ago
README dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
TODO dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
board.h i2c: Enable i2c and perform bus clear procedure 7 years ago
common.h nand: Detect and correct bit errors on the sysmoBTSv2D and later platforms 9 years ago
crc.c dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
crc.h dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
davinci.c i2c: Enable i2c and perform bus clear procedure 7 years ago
davinci.h sysmobts: Be able to toggle the nWP on the flash through a GPIO 8 years ago
ddr.h sysmobts_v2: Add sysmobts_v2 with runtime detection of DDR/NAND 11 years ago
dm644x.c dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
dm644x.h timer: Make the timer configurable and use it 9 years ago
gpio.c dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
gpio.h dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
nand.c sysmobts: Be able to toggle the nWP on the flash through a GPIO 8 years ago
nand.h sysmobts: Be able to toggle the nWP on the flash through a GPIO 8 years ago
nandboot.c nand: Write multiple copies of UBL and U-Boot 9 years ago
nor.c dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
nor.h dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
norboot.c dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
uart.c uart/timeout: Reduce the I_ME timeout to a lower value again 9 years ago
uart.h sysmobts: Be able to toggle the nWP on the flash through a GPIO 8 years ago
uartboot.c sysmobts: Be able to toggle the nWP on the flash through a GPIO 8 years ago
ubl.c sysmobts: Be able to toggle the nWP on the flash through a GPIO 8 years ago
ubl.lds sysmobts_v2: Add sysmobts_v2 with runtime detection of DDR/NAND 11 years ago
util.c dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago
util.h dvnixload/ubl copy as of pre 0.2.6 svn 11 years ago

README 

 README for HVUBL

This UBL can be used for flashing itself and a 2nd stage bootloader (usually
U-boot) in flash memory.

It can also be used to flash an arbitrary data image into flash, without
a header.

It can also be used to run DDR RAM memory testing.

To compile HVUBL for the sffsdr board, for example, run:
  $> make BOARD=sffsdr

The Makefile honors the CROSS_COMPILE environment variable to specify the prefix
of your ARM gcc toolchain. If it is not set, it defaults to:
  CROSS_COMPILE=arm-linux-

You can override it like this, for example:
  $> make CROSS_COMPILE=arm-angstrom-linux-gnueabi- BOARD=sffsdr

The output file, in ARM ELF format, will be named <ubl.elf>