X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=doc%2Fopenocd.texi;h=898ffb94834cc2e20696bb5332f0c607e0f00f5c;hb=refs%2Fchanges%2F32%2F4232%2F2;hp=8ff9010a6cff0bcc40bf37cd15449521b7f5879d;hpb=99b03d3bfbde879f07b02990c9d8bec3b0ee3927;p=openocd.git diff --git a/doc/openocd.texi b/doc/openocd.texi index 8ff9010a6c..898ffb9483 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -4913,19 +4913,62 @@ functionality is available through the @command{flash write_bank}, @item @var{ir} ... is loaded into the JTAG IR to map the flash as the JTAG DR. For the bitstreams generated from @file{xilinx_bscan_spi.py} this is the @var{USER1} instruction. -@item @var{dr_length} ... is the length of the DR register. This will be 1 for -@file{xilinx_bscan_spi.py} bitstreams and most other cases. @end itemize @example target create $_TARGETNAME testee -chain-position $_CHIPNAME.fpga set _XILINX_USER1 0x02 -set _DR_LENGTH 1 flash bank $_FLASHNAME spi 0x0 0 0 0 \ - $_TARGETNAME $_XILINX_USER1 $_DR_LENGTH + $_TARGETNAME $_XILINX_USER1 @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} +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} +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 @@ -5358,7 +5401,7 @@ from NXP (former Freescale) include internal flash and use ARM Cortex-M0+ or M4 cores. The driver automatically recognizes flash size and a number of flash banks (1-4) using the chip identification register, and autoconfigures itself. -Use kinetis_ke driver for KE0x devices. +Use kinetis_ke driver for KE0x and KEAx devices. The @var{kinetis} driver defines option: @itemize @@ -5451,7 +5494,7 @@ Command disables watchdog timer. @deffn {Flash Driver} kinetis_ke @cindex kinetis_ke -KE0x members of the Kinetis microcontroller family from Freescale include +KE0x and KEAx members of the Kinetis microcontroller family from NXP include internal flash and use ARM Cortex-M0+. The driver automatically recognizes the KE0x sub-family using the chip identification register, and autoconfigures itself. @@ -8375,6 +8418,11 @@ halting or resuming of all cores in the group. The command @code{target smp} def group. With SMP handling disabled, all targets need to be treated individually. @end deffn +@deffn Command {aarch64 maskisr} [@option{on}|@option{off}] +Selects whether interrupts will be processed when single stepping. The default configuration is +@option{on}. +@end deffn + @section Intel Architecture Intel Quark X10xx is the first product in the Quark family of SoCs. It is an IA-32