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jtag_interface_t -> struct jtag_interface
[openocd.git] / src / jtag / ft2232.c
diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index e570cbe983266a971f3beae93acfdcfc8a64a42c..6f8dd0d46b215ea4dc9a0adda21ce67d1ca8020d 100644 (file)
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -90,20 +90,6 @@
  #endif
 #endif
 
-static int ft2232_execute_queue(void);
-static int ft2232_speed(int speed);
-static int ft2232_speed_div(int speed, int* khz);
-static int ft2232_khz(int khz, int* jtag_speed);
-static int ft2232_register_commands(struct command_context_s* cmd_ctx);
-static int ft2232_init(void);
-static int ft2232_quit(void);
-
-static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-
 /**
  * Send out \a num_cycles on the TCK line while the TAP(s) are in a
  * stable state.  Calling code must ensure that current state is stable,
@@ -149,6 +135,7 @@ static int sheevaplug_init(void);
 static int icebear_jtag_init(void);
 static int cortino_jtag_init(void);
 static int signalyzer_h_init(void);
+static int ktlink_init(void);
 
 /* reset procedures for supported layouts */
 static void usbjtag_reset(int trst, int srst);
@@ -162,12 +149,14 @@ static void axm0432_jtag_reset(int trst, int srst);
 static void sheevaplug_reset(int trst, int srst);
 static void icebear_jtag_reset(int trst, int srst);
 static void signalyzer_h_reset(int trst, int srst);
+static void ktlink_reset(int trst, int srst);
 
 /* blink procedures for layouts that support a blinking led */
 static void olimex_jtag_blink(void);
 static void flyswatter_jtag_blink(void);
 static void turtle_jtag_blink(void);
 static void signalyzer_h_blink(void);
+static void ktlink_blink(void);
 
 static const ft2232_layout_t  ft2232_layouts[] =
 {
@@ -188,6 +177,7 @@ static const ft2232_layout_t  ft2232_layouts[] =
        { "icebear",              icebear_jtag_init,         icebear_jtag_reset, NULL                    },
        { "cortino",              cortino_jtag_init,         comstick_reset, NULL                        },
        { "signalyzer-h",         signalyzer_h_init,         signalyzer_h_reset, signalyzer_h_blink      },
+       { "ktlink",               ktlink_init,               ktlink_reset,       ktlink_blink            },
        { NULL,                   NULL,                      NULL,               NULL                    },
 };
 
@@ -345,18 +335,6 @@ static void move_to_state(tap_state_t goal_state)
        clock_tms(0x4b,  tms_bits, tms_count, 0);
 }
 
-jtag_interface_t ft2232_interface =
-{
-       .name                   = "ft2232",
-       .execute_queue          = ft2232_execute_queue,
-       .speed                  = ft2232_speed,
-       .speed_div              = ft2232_speed_div,
-       .khz                    = ft2232_khz,
-       .register_commands      = ft2232_register_commands,
-       .init                   = ft2232_init,
-       .quit                   = ft2232_quit,
-};
-
 static int ft2232_write(uint8_t* buf, int size, uint32_t* bytes_written)
 {
 #if BUILD_FT2232_FTD2XX == 1
@@ -586,21 +564,6 @@ static int ft2232_khz(int khz, int* jtag_speed)
        return ERROR_OK;
 }
 
-static int ft2232_register_commands(struct command_context_s* cmd_ctx)
-{
-       register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command,
-                       COMMAND_CONFIG, "the USB device description of the FTDI FT2232 device");
-       register_command(cmd_ctx, NULL, "ft2232_serial", ft2232_handle_serial_command,
-                       COMMAND_CONFIG, "the serial number of the FTDI FT2232 device");
-       register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command,
-                       COMMAND_CONFIG, "the layout of the FT2232 GPIO signals used to control output-enables and reset signals");
-       register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command,
-                       COMMAND_CONFIG, "the vendor ID and product ID of the FTDI FT2232 device");
-       register_command(cmd_ctx, NULL, "ft2232_latency", ft2232_handle_latency_command,
-                       COMMAND_CONFIG, "set the FT2232 latency timer to a new value");
-       return ERROR_OK;
-}
-
 static void ft2232_end_state(tap_state_t state)
 {
        if (tap_is_state_stable(state))
@@ -1800,7 +1763,7 @@ static int ft2232_execute_command(jtag_command_t *cmd)
        return retval;
 }
 
-static int ft2232_execute_queue()
+static int ft2232_execute_queue(void)
 {
        jtag_command_t* cmd = jtag_command_queue;       /* currently processed command */
        int retval;
@@ -2835,7 +2798,7 @@ static int ft2232_quit(void)
        return ERROR_OK;
 }
 
-static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
+COMMAND_HANDLER(ft2232_handle_device_desc_command)
 {
        char *cp;
        char buf[200];
@@ -2869,7 +2832,7 @@ static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx,
        return ERROR_OK;
 }
 
-static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
+COMMAND_HANDLER(ft2232_handle_serial_command)
 {
        if (argc == 1)
        {
@@ -2883,7 +2846,7 @@ static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char*
        return ERROR_OK;
 }
 
-static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
+COMMAND_HANDLER(ft2232_handle_layout_command)
 {
        if (argc == 0)
                return ERROR_OK;
@@ -2894,7 +2857,7 @@ static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char*
        return ERROR_OK;
 }
 
-static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
+COMMAND_HANDLER(ft2232_handle_vid_pid_command)
 {
        if (argc > MAX_USB_IDS * 2)
        {
@@ -2911,16 +2874,11 @@ static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char
                argc -= 1;
        }
 
-       int i;
-       int retval = ERROR_OK;
+       unsigned i;
        for (i = 0; i < argc; i += 2)
        {
-               retval = parse_u16(args[i], &ft2232_vid[i >> 1]);
-               if (ERROR_OK != retval)
-                       break;
-               retval = parse_u16(args[i + 1], &ft2232_pid[i >> 1]);
-               if (ERROR_OK != retval)
-                       break;
+               COMMAND_PARSE_NUMBER(u16, args[i], ft2232_vid[i >> 1]);
+               COMMAND_PARSE_NUMBER(u16, args[i + 1], ft2232_pid[i >> 1]);
        }
 
        /*
@@ -2929,10 +2887,10 @@ static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char
         */
        ft2232_vid[i >> 1] = ft2232_pid[i >> 1] = 0;
 
-       return retval;
+       return ERROR_OK;
 }
 
-static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
+COMMAND_HANDLER(ft2232_handle_latency_command)
 {
        if (argc == 1)
        {
@@ -3252,7 +3210,7 @@ static int signalyzer_h_init(void)
 
        char *end_of_desc;
 
-       uint16_t read_buf[12];
+       uint16_t read_buf[12] = { 0 };
        uint8_t  buf[3];
        uint32_t bytes_written;
 
@@ -3897,3 +3855,151 @@ static void signalyzer_h_blink(void)
 {
        signalyzer_h_led_set(signalyzer_h_side, SIGNALYZER_LED_RED, 100, 0, 1);
 }
+
+/********************************************************************
+ * Support for KT-LINK
+ * JTAG adapter from KRISTECH
+ * http://www.kristech.eu
+ *******************************************************************/
+static int ktlink_init(void)
+{
+       uint8_t  buf[3];
+       uint32_t bytes_written;
+       uint8_t  swd_en = 0x20; //0x20 SWD disable, 0x00 SWD enable (ADBUS5)
+
+       low_output    = 0x08 | swd_en; // value; TMS=1,TCK=0,TDI=0,SWD=swd_en
+       low_direction = 0x3B;          // out=1; TCK/TDI/TMS=out,TDO=in,SWD=out,RTCK=in,SRSTIN=in
+
+       // initialize low port
+       buf[0] = 0x80;          // command "set data bits low byte"
+       buf[1] = low_output;
+       buf[2] = low_direction;
+       LOG_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))
+       {
+               LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
+               return ERROR_JTAG_INIT_FAILED;
+       }
+
+       nTRST    = 0x01;
+       nSRST    = 0x02;
+       nTRSTnOE = 0x04;
+       nSRSTnOE = 0x08;
+
+       high_output    = 0x80; // turn LED on
+       high_direction = 0xFF; // all outputs
+
+       enum reset_types jtag_reset_config = jtag_get_reset_config();
+
+       if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) {
+               high_output |= nTRSTnOE;
+               high_output &= ~nTRST;
+       } else {
+               high_output &= ~nTRSTnOE;
+               high_output |= nTRST;
+       }
+
+       if (jtag_reset_config & RESET_SRST_PUSH_PULL) {
+               high_output &= ~nSRSTnOE;
+               high_output |= nSRST;
+       } else {
+               high_output |= nSRSTnOE;
+               high_output &= ~nSRST;
+       }
+
+       // initialize high port
+       buf[0] = 0x82;              // command "set data bits high byte"
+       buf[1] = high_output;       // value
+       buf[2] = high_direction;
+       LOG_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))
+       {
+               LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
+               return ERROR_JTAG_INIT_FAILED;
+       }
+
+       return ERROR_OK;
+}
+
+static void ktlink_reset(int trst, int srst)
+{
+       enum reset_types jtag_reset_config = jtag_get_reset_config();
+
+       if (trst == 1) {
+               if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+                       high_output &= ~nTRSTnOE;
+               else
+                       high_output &= ~nTRST;
+       } else if (trst == 0) {
+               if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+                       high_output |= nTRSTnOE;
+               else
+                       high_output |= nTRST;
+       }
+
+       if (srst == 1) {
+               if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+                       high_output &= ~nSRST;
+               else
+                       high_output &= ~nSRSTnOE;
+       } else if (srst == 0) {
+               if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+                       high_output |= nSRST;
+               else
+                       high_output |= nSRSTnOE;
+       }
+
+       buffer_write(0x82); // command "set data bits high byte"
+       buffer_write(high_output);
+       buffer_write(high_direction);
+       LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,high_direction);
+}
+
+static void ktlink_blink(void)
+{
+       /* LED connected to ACBUS7 */
+       if (high_output & 0x80)
+               high_output &= 0x7F;
+       else
+               high_output |= 0x80;
+
+       buffer_write(0x82);  // command "set data bits high byte"
+       buffer_write(high_output);
+       buffer_write(high_direction);
+}
+
+static int ft2232_register_commands(struct command_context_s* cmd_ctx)
+{
+       register_command(cmd_ctx, NULL, "ft2232_device_desc",
+                       ft2232_handle_device_desc_command, COMMAND_CONFIG,
+                       "the USB device description of the FTDI FT2232 device");
+       register_command(cmd_ctx, NULL, "ft2232_serial",
+                       ft2232_handle_serial_command, COMMAND_CONFIG,
+                       "the serial number of the FTDI FT2232 device");
+       register_command(cmd_ctx, NULL, "ft2232_layout",
+                       ft2232_handle_layout_command, COMMAND_CONFIG,
+                       "the layout of the FT2232 GPIO signals used "
+                       "to control output-enables and reset signals");
+       register_command(cmd_ctx, NULL, "ft2232_vid_pid",
+                       ft2232_handle_vid_pid_command, COMMAND_CONFIG,
+                       "the vendor ID and product ID of the FTDI FT2232 device");
+       register_command(cmd_ctx, NULL, "ft2232_latency",
+                       ft2232_handle_latency_command, COMMAND_CONFIG,
+                       "set the FT2232 latency timer to a new value");
+
+       return ERROR_OK;
+}
+
+
+struct jtag_interface ft2232_interface = {
+               .name = "ft2232",
+               .register_commands = &ft2232_register_commands,
+               .init = &ft2232_init,
+               .quit = &ft2232_quit,
+               .speed = &ft2232_speed,
+               .speed_div = &ft2232_speed_div,
+               .khz = &ft2232_khz,
+               .execute_queue = &ft2232_execute_queue,
+       };
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