- added support for the Signalyzer USB->JTAG dongle (www.signalyzer.com)

git-svn-id: svn://svn.berlios.de/openocd/trunk@84 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index 64975825dd013ec2a592a4fd015b07059ba1b19b..862003f5b292cbaeb1b5bee92ac4e14218278919 100644 (file)
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -95,6 +95,7 @@ ft2232_layout_t ft2232_layouts[] =
        {"usbjtag", usbjtag_init, usbjtag_reset},
        {"jtagkey", jtagkey_init, jtagkey_reset},
        {"jtagkey_prototype_v1", jtagkey_init, jtagkey_reset},
+       {"signalyzer", usbjtag_init, usbjtag_reset},
        {NULL, NULL, NULL},
 };
 
@@ -893,15 +894,15 @@ int ft2232_init(void)
 #elif BUILD_FT2232_LIBFTDI == 1
        DEBUG("'ft2232' interface using libftdi with '%s' layout", ft2232_layout);
 #endif
-               
+
+#if BUILD_FT2232_FTD2XX == 1
+       /* Open by device description */
        if (ft2232_device_desc == NULL)
        {
                WARNING("no ftd2xx device description specified, using default 'Dual RS232'");
                ft2232_device_desc = "Dual RS232";
        }
-
-#if BUILD_FT2232_FTD2XX == 1
-
+       
 #if IS_WIN32 == 0
        /* Add non-standard Vid/Pid to the linux driver */
        if ((status = FT_SetVIDPID(ft2232_vid, ft2232_pid)) != FT_OK)
@@ -1046,10 +1047,25 @@ int usbjtag_init(void)
        low_output = 0x08;
        low_direction = 0x0b;
        
-       nTRST = 0x10;
-       nTRSTnOE = 0x10;
-       nSRST = 0x40;
-       nSRSTnOE = 0x40;
+       if (strcmp(ft2232_layout, "usbjtag") == 0)
+       {
+               nTRST = 0x10;
+               nTRSTnOE = 0x10;
+               nSRST = 0x40;
+               nSRSTnOE = 0x40;
+       }
+       else if (strcmp(ft2232_layout, "signalyzer") == 0)
+       {
+               nTRST = 0x10;
+               nTRSTnOE = 0x10;
+               nSRST = 0x20;
+               nSRSTnOE = 0x20;
+       }
+       else
+       {
+               ERROR("BUG: usbjtag_init called for unknown layout '%s'", ft2232_layout);
+               return ERROR_JTAG_INIT_FAILED;  
+       }
        
        if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
        {