I fixed the issue by disabling dcc memory uploads. Otherwise my setup hasn't changed:
1. Openocd fetched from latest GIT 2. libftdi-0.16 from the latest release tarball 3. FT2232 timeout/retry-count patch applied (attached). 4. ARM-USB-TINY-H interface config (attached) After starting openocd I issue the following commands (see attached log): 1. reset init 2. arm7_9 dcc_downloads disable 3. load_image dd 0x20000000 #THIS WORKS 4. arm7_9 dcc_downloads enable 5. load_image dd 0x20000000 #THIS FAILS. After that the FT2232H is not usable until it is power cycled. With regards to the additional GIT revisions, I cloned a fresh OpenOCD copy and applied my patches on top just to be sure this is not the problem. As for ftd2xx, libftdi now works for me so I won't have to mess up with closed source libraries :) As user I see the following two problems: 1. DCC downloads do not work, although they are marked as default for SAM9-L9260. 2. USB communication failures freeze the dongle until it is power cycled. Regards, Dimitar
diff --git a/tcl/interface/olimex-arm-usb-ocd-h.cfg b/tcl/interface/olimex-arm-usb-ocd-h.cfg new file mode 100644 index 0000000..a7a72ce --- /dev/null +++ b/tcl/interface/olimex-arm-usb-ocd-h.cfg @@ -0,0 +1,11 @@ +# +# Olimex ARM-USB-OCD +# +# http://www.olimex.com/dev/arm-usb-ocd.html +# + +interface ft2232 +ft2232_device_desc "Olimex OpenOCD JTAG ARM-USB-OCD-H" +ft2232_layout olimex-jtag +ft2232_vid_pid 0x15ba 0x002b + diff --git a/tcl/interface/olimex-arm-usb-tiny-h.cfg b/tcl/interface/olimex-arm-usb-tiny-h.cfg new file mode 100644 index 0000000..378fe37 --- /dev/null +++ b/tcl/interface/olimex-arm-usb-tiny-h.cfg @@ -0,0 +1,11 @@ +# +# Olimex ARM-USB-OCD +# +# http://www.olimex.com/dev/arm-usb-ocd.html +# + +interface ft2232 +ft2232_device_desc "Olimex OpenOCD JTAG ARM-USB-TINY-H" +ft2232_layout olimex-jtag +ft2232_vid_pid 0x15ba 0x002a +
diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index cf3fc01..d594c53 100644
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -400,7 +400,7 @@ static int ft2232_read(uint8_t* buf, uint32_t size, uint32_t* bytes_read)
#elif BUILD_FT2232_LIBFTDI == 1
int retval;
- int timeout = 100;
+ int timeout = 2000;
*bytes_read = 0;
while ((*bytes_read < size) && timeout--)
@@ -679,7 +679,7 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last)
if (ft2232_expect_read)
{
- int timeout = 100;
+ int timeout = 1000;
ft2232_buffer_size = 0;
#ifdef _DEBUG_USB_IO_
@@ -711,14 +711,14 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last)
{
LOG_ERROR("ft2232_expect_read (%i) != ft2232_buffer_size (%i) (%i retries)", ft2232_expect_read,
ft2232_buffer_size,
- 100 - timeout);
+ 1000 - timeout);
ft2232_debug_dump_buffer();
exit(-1);
}
#ifdef _DEBUG_USB_COMMS_
- LOG_DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ft2232_buffer_size);
+ LOG_DEBUG("read buffer (%i retries): %i bytes", 1000 - timeout, ft2232_buffer_size);
ft2232_debug_dump_buffer();
#endif
}
openocd-session.log.gz
Description: GNU Zip compressed data
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