- allow multiple USB vendor and product ids when searching for connected FT2232 based JTAG interfaces (thanks to Werner Almesberger for this patch)
git-svn-id: svn://svn.berlios.de/openocd/trunk@140 b42882b7-edfa-0310-969c-e2dbd0fdcd60__archive__
drath
parent
999f86b92b
commit
c62e5b4c23
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@ -77,8 +77,11 @@ int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd,
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char *ft2232_device_desc = NULL;
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char *ft2232_serial = NULL;
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char *ft2232_layout = NULL;
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u16 ft2232_vid = 0x0403;
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u16 ft2232_pid = 0x6010;
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#define MAX_USB_IDS 8
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/* vid = pid = 0 marks the end of the list */
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static u16 ft2232_vid[MAX_USB_IDS+1] = { 0x0403, 0 };
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static u16 ft2232_pid[MAX_USB_IDS+1] = { 0x6010, 0 };
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typedef struct ft2232_layout_s
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{
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@ -1227,55 +1230,23 @@ int ft2232_execute_queue()
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return ERROR_OK;
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}
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int ft2232_init(void)
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{
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u8 latency_timer;
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u8 buf[1];
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int retval;
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u32 bytes_written;
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#if BUILD_FT2232_FTD2XX == 1
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static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int *try_more)
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{
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FT_STATUS status;
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DWORD openex_flags = 0;
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char *openex_string = NULL;
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#endif
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u8 latency_timer;
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ft2232_layout_t *cur_layout = ft2232_layouts;
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DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)",
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ft2232_layout, vid, pid);
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if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))
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{
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ft2232_layout = "usbjtag";
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WARNING("No ft2232 layout specified, using default 'usbjtag'");
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}
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while (cur_layout->name)
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{
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if (strcmp(cur_layout->name, ft2232_layout) == 0)
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{
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layout = cur_layout;
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break;
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}
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cur_layout++;
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}
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if (!layout)
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{
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ERROR("No matching layout found for %s", ft2232_layout);
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return ERROR_JTAG_INIT_FAILED;
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}
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#if BUILD_FT2232_FTD2XX == 1
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DEBUG("'ft2232' interface using FTD2XX with '%s' layout", ft2232_layout);
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#elif BUILD_FT2232_LIBFTDI == 1
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DEBUG("'ft2232' interface using libftdi with '%s' layout", ft2232_layout);
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#endif
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#if BUILD_FT2232_FTD2XX == 1
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#if IS_WIN32 == 0
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/* Add non-standard Vid/Pid to the linux driver */
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if ((status = FT_SetVIDPID(ft2232_vid, ft2232_pid)) != FT_OK)
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if ((status = FT_SetVIDPID(vid, pid)) != FT_OK)
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{
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WARNING("couldn't add %4.4x:%4.4x", ft2232_vid, ft2232_pid);
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WARNING("couldn't add %4.4x:%4.4x",
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vid, pid);
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}
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#endif
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@ -1307,6 +1278,12 @@ int ft2232_init(void)
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{
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DWORD num_devices;
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if (more) {
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WARNING("unable to open ftdi device (trying more): %lu",
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status);
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*try_more = 1;
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return ERROR_JTAG_INIT_FAILED;
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}
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ERROR("unable to open ftdi device: %lu", status);
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status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY);
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if (status == FT_OK)
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@ -1365,14 +1342,44 @@ int ft2232_init(void)
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ERROR("unable to enable bit i/o mode: %lu", status);
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return ERROR_JTAG_INIT_FAILED;
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}
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#elif BUILD_FT2232_LIBFTDI == 1
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return ERROR_OK;
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}
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static int ft2232_purge_ftd2xx(void)
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{
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FT_STATUS status;
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if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)
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{
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ERROR("error purging ftd2xx device: %lu", status);
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return ERROR_JTAG_INIT_FAILED;
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}
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return ERROR_OK;
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}
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#endif /* BUILD_FT2232_FTD2XX == 1 */
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#if BUILD_FT2232_LIBFTDI == 1
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static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int *try_more)
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{
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u8 latency_timer;
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DEBUG("'ft2232' interface using libftdi with '%s' layout (%4.4x:%4.4x)",
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ft2232_layout, vid, pid);
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if (ftdi_init(&ftdic) < 0)
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return ERROR_JTAG_INIT_FAILED;
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/* context, vendor id, product id */
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if (ftdi_usb_open_desc(&ftdic, ft2232_vid, ft2232_pid, ft2232_device_desc, ft2232_serial) < 0)
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{
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ERROR("unable to open ftdi device: %s", ftdic.error_str);
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if (ftdi_usb_open_desc(&ftdic, vid, pid, ft2232_device_desc,
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ft2232_serial) < 0) {
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if (more)
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WARNING("unable to open ftdi device (trying more): %s",
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ftdic.error_str);
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else
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ERROR("unable to open ftdi device: %s", ftdic.error_str);
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*try_more = 1;
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return ERROR_JTAG_INIT_FAILED;
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}
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@ -1405,7 +1412,77 @@ int ft2232_init(void)
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}
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ftdi_set_bitmode(&ftdic, 0x0b, 2); /* ctx, JTAG I/O mask */
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return ERROR_OK;
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}
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static int ft2232_purge_libftdi(void)
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{
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if (ftdi_usb_purge_buffers(&ftdic) < 0)
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{
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ERROR("ftdi_purge_buffers: %s", ftdic.error_str);
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return ERROR_JTAG_INIT_FAILED;
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}
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return ERROR_OK;
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}
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#endif /* BUILD_FT2232_LIBFTDI == 1 */
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int ft2232_init(void)
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{
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u8 buf[1];
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int retval;
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u32 bytes_written;
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ft2232_layout_t *cur_layout = ft2232_layouts;
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int i;
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if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))
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{
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ft2232_layout = "usbjtag";
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WARNING("No ft2232 layout specified, using default 'usbjtag'");
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}
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while (cur_layout->name)
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{
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if (strcmp(cur_layout->name, ft2232_layout) == 0)
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{
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layout = cur_layout;
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break;
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}
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cur_layout++;
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}
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if (!layout)
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{
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ERROR("No matching layout found for %s", ft2232_layout);
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return ERROR_JTAG_INIT_FAILED;
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}
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for (i = 0; 1; i++) {
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/*
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* "more indicates that there are more IDs to try, so we should
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* not print an error for an ID mismatch (but for anything
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* else, we should).
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*
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* try_more indicates that the error code returned indicates an
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* ID mismatch (and nothing else) and that we should proceeed
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* with the next ID pair.
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*/
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int more = ft2232_vid[i+1] || ft2232_pid[i+1];
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int try_more = 0;
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#if BUILD_FT2232_FTD2XX == 1
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retval = ft2232_init_ftd2xx(ft2232_vid[i], ft2232_pid[i],
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more, &try_more);
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#elif BUILD_FT2232_LIBFTDI == 1
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retval = ft2232_init_libftdi(ft2232_vid[i], ft2232_pid[i],
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more, &try_more);
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#endif
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if (retval >= 0)
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break;
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if (!more || !try_more)
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return retval;
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}
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ft2232_buffer_size = 0;
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ft2232_buffer = malloc(FT2232_BUFFER_SIZE);
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@ -1423,17 +1500,9 @@ int ft2232_init(void)
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}
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#if BUILD_FT2232_FTD2XX == 1
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if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)
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{
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ERROR("error purging ftd2xx device: %lu", status);
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return ERROR_JTAG_INIT_FAILED;
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}
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return ft2232_purge_ftd2xx();
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#elif BUILD_FT2232_LIBFTDI == 1
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if (ftdi_usb_purge_buffers(&ftdic) < 0)
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{
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ERROR("ftdi_purge_buffers: %s", ftdic.error_str);
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return ERROR_JTAG_INIT_FAILED;
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}
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return ft2232_purge_libftdi();
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#endif
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return ERROR_OK;
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@ -1847,15 +1916,29 @@ int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, c
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int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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if (argc >= 2)
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{
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ft2232_vid = strtol(args[0], NULL, 0);
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ft2232_pid = strtol(args[1], NULL, 0);
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int i;
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if (argc > MAX_USB_IDS*2) {
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WARNING("ignoring extra IDs in ft2232_vid_pid "
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"(maximum is %d pairs)", MAX_USB_IDS);
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argc = MAX_USB_IDS*2;
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}
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else
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if (argc < 2 || (argc & 1))
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{
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WARNING("incomplete ft2232_vid_pid configuration directive");
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if (argc < 2)
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return ERROR_OK;
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}
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for (i = 0; i+1 < argc; i += 2) {
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ft2232_vid[i >> 1] = strtol(args[i], NULL, 0);
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ft2232_pid[i >> 1] = strtol(args[i+1], NULL, 0);
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}
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/*
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* Explicitly terminate, in case there are multiples instances of
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* ft2232_vid_pid.
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*/
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ft2232_vid[i >> 1] = ft2232_pid[i >> 1] = 0;
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return ERROR_OK;
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}
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