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| author | barthess <barthess@yandex.ru> | 2016-12-11 15:11:41 +0300 |
|---|---|---|
| committer | Paul Fertser <fercerpav@gmail.com> | 2018-01-13 09:13:14 +0000 |
| commit | dc28a6e593cc53117ba9b8e6e7ab9d20f49c5e4b (patch) | |
| tree | e2a1e5936832b4201c091fbf38d79d9c2a0b1799 /doc | |
| parent | 99b03d3bfbde879f07b02990c9d8bec3b0ee3927 (diff) | |
| download | riscv-openocd-dc28a6e593cc53117ba9b8e6e7ab9d20f49c5e4b.zip riscv-openocd-dc28a6e593cc53117ba9b8e6e7ab9d20f49c5e4b.tar.gz riscv-openocd-dc28a6e593cc53117ba9b8e6e7ab9d20f49c5e4b.tar.bz2 | |
XCF (Xilinx platfrom flash) support.
Change-Id: I4ee6db5f0abdb9fd279cc0edd13f71952a9d295d
Signed-off-by: Uladzimir Pylinski <barthess@yandex.ru>
Reviewed-on: http://openocd.zylin.com/3914
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/openocd.texi | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 8ff9010..7f5b72e 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -4926,6 +4926,52 @@ flash bank $_FLASHNAME spi 0x0 0 0 0 \ @end example @end deffn +@deffn {Flash Driver} xcf +@cindex Xilinx Platform flash driver +@cindex xcf +Xilinx FPGAs can be configured from specialized flash ICs named Platform Flash. +It is (almost) regular NOR flash with erase sectors, program pages, etc. The +only difference is special registers controlling its FPGA specific behavior. +They must be properly configured for successful FPGA loading using +additional @var{xcf} driver command: + +@deffn Command {xcf ccb} <bank_id> +command accepts additional parameters: +@itemize +@item @var{external|internal} ... selects clock source. +@item @var{serial|parallel} ... selects serial or parallel data bus mode. +@item @var{slave|master} ... selects slave of master mode for flash device. +@item @var{40|20} ... selects clock frequency in MHz for internal clock +in master mode. +@end itemize +@example +xcf ccb 0 external parallel slave 40 +@end example +All of them must be specified even if clock frequency is pointless +in slave mode. If only bank id specified than command prints current +CCB register value. Note: there is no need to write this register +every time you erase/program data sectors because it stores in +dedicated sector. +@end deffn + +@deffn Command {xcf configure} <bank_id> +Initiates FPGA loading procedure. Useful if your board has no "configure" +button. +@example +xcf configure 0 +@end example +@end deffn + +Additional driver notes: +@itemize +@item Only single revision supported. +@item Driver automatically detects need of bit reverse, but +only "bin" (raw binary, do not confuse it with "bit") and "mcs" +(Intel hex) file types supported. +@item For additional info check xapp972.pdf and ug380.pdf. +@end itemize +@end deffn + @deffn {Flash Driver} lpcspifi @cindex NXP SPI Flash Interface @cindex SPIFI |