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jtagspi/pld: add support from xilinx driver 

Provide jtagspi with information to use jtagspi for
programming spi-flash devices on xilinx devices
using a proxy bitstream.

Change-Id: I68000d71de25118ed8a8603e544cff1dc69bd9ba
Signed-off-by: Daniel Anselmi <danselmi@gmx.ch>
Reviewed-on: https://review.openocd.org/c/openocd/+/7836
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Daniel Anselmi 2022-12-17 13:11:30 +01:00 committed by Antonio Borneo
parent b2a22943e1
commit 2d4fd58fca
2 changed files with 41 additions and 0 deletions
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16
src/pld/virtex2.c
View File

@ -326,6 +326,21 @@ static int xilinx_get_ipdbg_hub(int user_num, struct pld_device *pld_device, str
return ERROR_OK;
}
static int xilinx_get_jtagspi_userircode(struct pld_device *pld_device, unsigned int *ir)
{
if (!pld_device || !pld_device->driver_priv)
return ERROR_FAIL;
struct virtex2_pld_device *pld_device_info = pld_device->driver_priv;
if (pld_device_info->command_set.num_user < 1) {
LOG_ERROR("code for command 'select user1' is unknown");
return ERROR_FAIL;
}
*ir = pld_device_info->command_set.user[0];
return ERROR_OK;
}
COMMAND_HANDLER(virtex2_handle_set_instuction_codes_command)
{
if (CMD_ARGC < 6 || CMD_ARGC > (6 + VIRTEX2_MAX_USER_INSTRUCTIONS))
@ -460,4 +475,5 @@ struct pld_driver virtex2_pld = {
.pld_create_command = &virtex2_pld_create_command,
.load = &virtex2_load,
.get_ipdbg_hub = xilinx_get_ipdbg_hub,
.get_jtagspi_userircode = xilinx_get_jtagspi_userircode,
};

25
tcl/board/digilent_cmod_s7.cfg Normal file
View File

@ -0,0 +1,25 @@
# SPDX-License-Identifier: GPL-2.0-or-later
# digilent CMOD S7
# https://digilent.com/reference/programmable-logic/cmod-s7/reference-manual
adapter driver ftdi
ftdi channel 0
ftdi layout_init 0x0008 0x008b
ftdi vid_pid 0x0403 0x6010
reset_config none
transport select jtag
adapter speed 10000
source [find cpld/xilinx-xc7.cfg]
# "ipdbg -start -tap xc7.tap -hub 0x02 -tool 0 -port 5555"
#openocd -f board/digilent_cmod_s7.cfg -c "init" -c "pld load xc7.pld shared_folder/cmod_s7_fast.bit"
set JTAGSPI_CHAIN_ID xc7.pld
source [find cpld/jtagspi.cfg]
#jtagspi_init xc7.pld "shared_folder/bscan_spi_xc7s25.bit" 0xab
#jtagspi_program shared_folder/cmod_s7_fast.bit 0