- added support for Turtelizer 2 (USB JTAG interface) (Thanks to Michael Fischer...

[openocd.git] / src / jtag / ft2232.c

diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index 4a705b5e2bbae00ecc71fc9375d1f523e7275403..fa27d9006d28b4e1e70442823ed25fbafe7fedbb 100644 (file)
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -93,15 +93,18 @@ int usbjtag_init(void);
 int jtagkey_init(void);
 int olimex_jtag_init(void);
 int m5960_init(void);
+int turtle_init(void);
 
 /* reset procedures for supported layouts */
 void usbjtag_reset(int trst, int srst);
 void jtagkey_reset(int trst, int srst);
 void olimex_jtag_reset(int trst, int srst);
 void m5960_reset(int trst, int srst);
+void turtle_reset(int trst, int srst);
 
 /* blink procedures for layouts that support a blinking led */
 void olimex_jtag_blink(void);
+void turtle_jtag_blink(void);
 
 ft2232_layout_t ft2232_layouts[] =
 {
@@ -113,6 +116,7 @@ ft2232_layout_t ft2232_layouts[] =
        {"evb_lm3s811", usbjtag_init, usbjtag_reset, NULL},
        {"olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink},
        {"m5960", m5960_init, m5960_reset, NULL},
+        {"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink},
        {NULL, NULL, NULL},
 };
 
@@ -161,7 +165,7 @@ int ft2232_write(u8 *buf, int size, u32* bytes_written)
        if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
        {
                *bytes_written = dw_bytes_written;
-               ERROR("FT_Write returned: %i", status);
+               ERROR("FT_Write returned: %lu", status);
                return ERROR_JTAG_DEVICE_ERROR;
        }
        else
@@ -198,7 +202,7 @@ int ft2232_read(u8* buf, int size, u32* bytes_read)
                if ((status = FT_Read(ftdih, buf, size, &dw_bytes_read)) != FT_OK)
                {
                        *bytes_read = 0; 
-                       ERROR("FT_Read returned: %i", status);
+                       ERROR("FT_Read returned: %lu", status);
                        return ERROR_JTAG_DEVICE_ERROR;
                }
                *bytes_read += dw_bytes_read; 
@@ -1002,6 +1006,26 @@ void m5960_reset(int trst, int srst)
     DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
 }
 
+void turtle_reset(int trst, int srst)
+{
+  trst = trst;
+  
+       if (srst == 1)
+       {
+       low_output |= nSRST;
+       }
+       else if (srst == 0)
+       {
+               low_output &= ~nSRST;
+       }
+       
+       /* command "set data bits high byte" */
+       BUFFER_ADD = 0x80;
+       BUFFER_ADD = low_output;
+       BUFFER_ADD = low_direction;
+       DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst, low_output, low_direction);
+}
+
 int ft2232_execute_queue()
 {
        jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
@@ -1165,7 +1189,7 @@ int ft2232_execute_queue()
                                }
                                else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
                                {
-                                       DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %x, cmd: %x)", first_unsent, cmd);
+                                       DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %p, cmd: %p)", first_unsent, cmd);
                                        ft2232_send_and_recv(first_unsent, cmd);
                                        require_send = 0;
                                        first_unsent = cmd;
@@ -1283,7 +1307,7 @@ int ft2232_init(void)
        {
                DWORD num_devices;
                
-               ERROR("unable to open ftdi device: %i", status);
+               ERROR("unable to open ftdi device: %lu", status);
                status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY);
                if (status == FT_OK)
                {
@@ -1298,7 +1322,7 @@ int ft2232_init(void)
 
                        if (status == FT_OK)
                        {
-                               ERROR("ListDevices: %d\n", num_devices);
+                               ERROR("ListDevices: %lu\n", num_devices);
                                for (i = 0; i < num_devices; i++)
                                        ERROR("%i: %s", i, desc_array[i]);
                        }
@@ -1316,13 +1340,13 @@ int ft2232_init(void)
 
        if ((status = FT_SetLatencyTimer(ftdih, 2)) != FT_OK)
        {
-               ERROR("unable to set latency timer: %i", status);
+               ERROR("unable to set latency timer: %lu", status);
                return ERROR_JTAG_INIT_FAILED;
        }
        
        if ((status = FT_GetLatencyTimer(ftdih, &latency_timer)) != FT_OK)
        {
-               ERROR("unable to get latency timer: %i", status);
+               ERROR("unable to get latency timer: %lu", status);
                return ERROR_JTAG_INIT_FAILED;
        }
        else
@@ -1332,13 +1356,13 @@ int ft2232_init(void)
        
        if ((status = FT_SetTimeouts(ftdih, 5000, 5000)) != FT_OK)
        {
-               ERROR("unable to set timeouts: %i", status);
+               ERROR("unable to set timeouts: %lu", status);
                return ERROR_JTAG_INIT_FAILED;
        }
 
        if ((status = FT_SetBitMode(ftdih, 0x0b, 2)) != FT_OK)
        {
-               ERROR("unable to enable bit i/o mode: %i", status);
+               ERROR("unable to enable bit i/o mode: %lu", status);
                return ERROR_JTAG_INIT_FAILED;
        }
 #elif BUILD_FT2232_LIBFTDI == 1
@@ -1401,7 +1425,7 @@ int ft2232_init(void)
 #if BUILD_FT2232_FTD2XX == 1
        if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)
        {
-               ERROR("error purging ftd2xx device: %i", status);
+               ERROR("error purging ftd2xx device: %lu", status);
                return ERROR_JTAG_INIT_FAILED;
        }
 #elif BUILD_FT2232_LIBFTDI == 1
@@ -1682,6 +1706,46 @@ int m5960_init(void)
        return ERROR_OK;
 }
 
+int turtle_init(void)
+{
+       u8 buf[3];
+       u32 bytes_written;
+       
+       low_output = 0x08;
+       low_direction = 0x5b;
+       
+       /* initialize low byte for jtag */
+       buf[0] = 0x80; /* command "set data bits low byte" */
+       buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+       buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+       DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
+       
+       if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+       {
+               ERROR("couldn't initialize FT2232 with 'turtelizer2' layout"); 
+               return ERROR_JTAG_INIT_FAILED;
+       }
+       
+  nSRST = 0x40;
+       
+       high_output = 0x00;
+       high_direction = 0x0C;
+       
+       /* initialize high port */
+       buf[0] = 0x82; /* command "set data bits high byte" */
+       buf[1] = high_output;
+       buf[2] = high_direction;
+       DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
+       
+       if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+       {
+               ERROR("couldn't initialize FT2232 with 'turtelizer2' layout"); 
+               return ERROR_JTAG_INIT_FAILED;
+       }
+       
+       return ERROR_OK;
+}
+
 void olimex_jtag_blink(void)
 {
        /* Olimex ARM-USB-OCD has a LED connected to ACBUS3
@@ -1703,6 +1767,26 @@ void olimex_jtag_blink(void)
        BUFFER_ADD = high_direction;
 }
 
+void turtle_jtag_blink(void)
+{
+       /* 
+   * Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3
+        */
+       if (high_output & 0x08)
+       {
+               high_output = 0x04;
+       }
+       else
+       {
+               high_output = 0x08;
+       }
+       
+       BUFFER_ADD = 0x82;
+       BUFFER_ADD = high_output;
+       BUFFER_ADD = high_direction;
+}
+
+
 int ft2232_quit(void)
 {
 #if BUILD_FT2232_FTD2XX == 1