elektroda.net NewsGroups Forum Index - FPGA - Spartan 3E: SPI programming through JTAG
Elder Costa
Guest
Guest
Sun Aug 01, 2010 2:23 am
I have an embedded design based on Spartan 3e and I need to be able to
update it. Impact is not an option for lack of Xinlinx cables in the
field and also because it has become a behemoth since its first
version.
I have a simple adapter that allowed me to update a CPLD
by connecting the PC serial port to the JTAG port and I would like to
use it to update the SPI PROM that configures the FPGA.
After a (I think) thorough research in the Internet I have learned
there is no direct way to the SPI PROM through the JTAG port. I have
found this link with a simple IP that could make this bridge. I guess
I may program the FPGA with it using a modified version of wxsvf
player or similar with the low level part modified to drive the
aforementioned cable but I have no idea of what to do afterwards. Any
hint or pointers for a software that could be used in this case would
help.
TIA.
Elder Costa
Guest
Guest
Sun Aug 01, 2010 2:28 am
On Jul 31, 8:23 pm, Elder Costa <costa.el...@gmail.com> wrote:
Quote:
I have an embedded design based on Spartan 3e and I need to be able to
update it. Impact is not an option for lack of Xinlinx cables in the
field and also because it has become a behemoth since its first
version. I have a simple adapter that allowed me to update a CPLD
by connecting the PC serial port to the JTAG port and I would like to
use it to update the SPI PROM that configures the FPGA.
After a (I think) thorough research in the Internet I have learned
there is no direct way to the SPI PROM through the JTAG port. I have
found this link with a simple IP that could make this bridge. I guess
I may program the FPGA with it using a modified version of wxsvf
player or similar with the low level part modified to drive the
aforementioned cable but I have no idea of what to do afterwards. Any
hint or pointers for a software that could be used in this case would
help.
TIA.
update it. Impact is not an option for lack of Xinlinx cables in the
field and also because it has become a behemoth since its first
version.
I have a simple adapter that allowed me to update a CPLD
by connecting the PC serial port to the JTAG port and I would like to
use it to update the SPI PROM that configures the FPGA.
After a (I think) thorough research in the Internet I have learned
there is no direct way to the SPI PROM through the JTAG port. I have
found this link with a simple IP that could make this bridge. I guess
I may program the FPGA with it using a modified version of wxsvf
player or similar with the low level part modified to drive the
aforementioned cable but I have no idea of what to do afterwards. Any
hint or pointers for a software that could be used in this case would
help.
TIA.
I forgot to add the link:
http://forums.xilinx.com/t5/IP-Others/JTAG-BSCAN-to-SPI-gateway-IP-core/m-p/2753
elektroda.net NewsGroups Forum Index - FPGA - Spartan 3E: SPI programming through JTAG
