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ft2232: Support for Digilent HS1 USB adapter 

* Added support to the FT2232 driver for the FT2232H-based
  Digilent HS1 adapter.

Change-Id: Iab6cc15f299badaf115615b5d4d785ecb2273c27
Signed-off-by: Stephane Bonnet <bonnetst@hds.utc.fr>
Reviewed-on: http://openocd.zylin.com/558
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
__archive__
Stephane Bonnet 2012-04-04 21:05:25 +02:00 committed by Spencer Oliver
parent 108a458ab8
commit 57dce9560a
3 changed files with 51 additions and 0 deletions
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2
doc/openocd.texi
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@ -374,6 +374,8 @@ Stellaris eval boards, they can be used to debug other target boards.
@* Link @url{http://www.hitex.com/index.php?id=cortino}
@item @b{dlp-usb1232h}
@* Link @url{http://www.dlpdesign.com/usb/usb1232h.shtml}
@item @b{digilent-hs1}
@* Link @url{http://www.digilentinc.com/Products/Detail.cfm?Prod=JTAG-HS1}
@end itemize
@section USB-JTAG / Altera USB-Blaster compatibles

34
src/jtag/drivers/ft2232.c
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@ -193,6 +193,7 @@ static int redbee_init(void);
static int lisa_l_init(void);
static int flossjtag_init(void);
static int xds100v2_init(void);
static int digilent_hs1_init(void);
/* reset procedures for supported layouts */
static void ftx23_reset(int trst, int srst);
@ -211,6 +212,7 @@ static void signalyzer_h_reset(int trst, int srst);
static void ktlink_reset(int trst, int srst);
static void redbee_reset(int trst, int srst);
static void xds100v2_reset(int trst, int srst);
static void digilent_hs1_reset(int trst, int srst);
/* blink procedures for layouts that support a blinking led */
static void olimex_jtag_blink(void);
@ -337,6 +339,11 @@ static const struct ft2232_layout ft2232_layouts[] = {
.init = xds100v2_init,
.reset = xds100v2_reset,
},
{ .name = "digilent-hs1",
.init = digilent_hs1_init,
.reset = digilent_hs1_reset,
.channel = INTERFACE_A,
},
{ .name = NULL, /* END OF TABLE */ },
};
@ -4179,6 +4186,33 @@ static void ktlink_blink(void)
buffer_write(high_direction);
}
/********************************************************************
* Support for Digilent HS-1
* JTAG adapter from Digilent
* http://www.digilent.com
* Author: Stephane Bonnet bonnetst@hds.utc.fr
*******************************************************************/
static int digilent_hs1_init(void)
{
/* the adapter only supports the base JTAG signals, no nTRST
nor nSRST */
low_output = 0x88;
low_direction = 0x8b;
/* initialize low byte for jtag */
if (ft2232_set_data_bits_low_byte(low_output, low_direction) != ERROR_OK) {
LOG_ERROR("couldn't initialize FT2232 with 'digilent_hs1' layout");
return ERROR_JTAG_INIT_FAILED;
}
return ERROR_OK;
}
static void digilent_hs1_reset(int trst, int srst)
{
/* Dummy function, no reset signals supported. */
}
static const struct command_registration ft2232_command_handlers[] = {
{
.name = "ft2232_device_desc",

15
tcl/interface/digilent-hs1.cfg Normal file
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@ -0,0 +1,15 @@
#
# Digilent HS1
#
# The Digilent HS1 is a high-speed FT2232H-based adapter, compliant with the
# Xilinx JTAG 14-pin pinout.
# It does not support ARM reset signals (SRST and TRST) but can still be used for
# hardware debugging, with some limitations.
#
# http://www.digilentinc.com/Products/Detail.cfm?NavPath=2,395,922&Prod=JTAG-HS1
#
interface ft2232
ft2232_device_desc "Digilent Adept USB Device"
ft2232_layout digilent-hs1
ft2232_vid_pid 0x0403 0x6010