- added configurable delays after reset lines get deasserted. useful if reset circuit...
authordrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Sun, 30 Jul 2006 11:25:43 +0000 (11:25 +0000)
committerdrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Sun, 30 Jul 2006 11:25:43 +0000 (11:25 +0000)
- additional debug output when opening the parallel port
- fixed counting of available arm7/9 watchpoint units
- 'flash write' now displays elapsed time

git-svn-id: svn://svn.berlios.de/openocd/trunk@79 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/flash/flash.c
src/jtag/jtag.c
src/jtag/jtag.h
src/jtag/parport.c
src/openocd.c
src/target/arm7_9_common.c

index 0a71309..6f0523d 100644 (file)
@@ -476,7 +476,10 @@ int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, cha
        u32 buf_cnt;
        int retval;
        flash_bank_t *p;
+       struct timeval start, end, duration;
 
+       gettimeofday(&start, NULL);
+               
        if (argc < 3)
        {
                command_print(cmd_ctx, "usage: flash write <bank> <file> <offset>");
@@ -553,7 +556,10 @@ int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, cha
        free(buffer);
        fclose(binary);
        
-       command_print(cmd_ctx, "wrote file %s to flash bank %i at offset 0x%8.8x", args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0));
+       gettimeofday(&end, NULL);       
+       timeval_subtract(&duration, &end, &start);
+       
+       command_print(cmd_ctx, "wrote file %s to flash bank %i at offset 0x%8.8x in %is %ius", args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0), duration.tv_sec, duration.tv_usec);
        
        return ERROR_OK;
 
index d43fafb..b8846f1 100644 (file)
@@ -111,6 +111,10 @@ enum tap_state cmd_queue_cur_state = TAP_TLR;
 
 int jtag_verify_capture_ir = 1;
 
+/* how long the OpenOCD should wait before attempting JTAG communication after reset lines deasserted (in ms) */
+int jtag_nsrst_delay = 0; /* default to no nSRST delay */
+int jtag_ntrst_delay = 0; /* default to no nTRST delay */ 
+
 /* callbacks to inform high-level handlers about JTAG state changes */
 jtag_event_callback_t *jtag_event_callbacks;
 
@@ -168,6 +172,8 @@ int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char
 int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 
 int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 
@@ -805,7 +811,10 @@ int jtag_add_reset(int req_trst, int req_srst)
        }
        
        if (req_srst && !(jtag_reset_config & RESET_HAS_SRST))
+       {
+               ERROR("requested nSRST assertion, but the current configuration doesn't support this");
                return ERROR_JTAG_RESET_CANT_SRST;
+       }
        
        if (req_trst && !(jtag_reset_config & RESET_HAS_TRST))
        {
@@ -827,9 +836,15 @@ int jtag_add_reset(int req_trst, int req_srst)
        jtag_srst = req_srst;
 
        if (jtag_srst)
+       {
                jtag_call_event_callbacks(JTAG_SRST_ASSERTED);
+       }
        else
+       {
                jtag_call_event_callbacks(JTAG_SRST_RELEASED);
+               if (jtag_nsrst_delay)
+                       jtag_add_sleep(jtag_nsrst_delay);
+       }
        
        if (trst_with_tms)
        {
@@ -854,9 +869,20 @@ int jtag_add_reset(int req_trst, int req_srst)
        {
                if (jtag_trst)
                {
+                       /* we just asserted nTRST, so we're now in Test-Logic-Reset,
+                        * and inform possible listeners about this
+                        */
                        cmd_queue_cur_state = TAP_TLR;
                        jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
                }
+               else
+               {
+                       /* the nTRST line got deasserted, so we're still in Test-Logic-Reset,
+                        * but we might want to add a delay to give the TAP time to settle
+                        */
+                       if (jtag_ntrst_delay)
+                               jtag_add_sleep(jtag_ntrst_delay);
+               }
        }
 
        return ERROR_OK;
@@ -1121,7 +1147,11 @@ int jtag_register_commands(struct command_context_s *cmd_ctx)
                COMMAND_CONFIG, NULL);
        register_command(cmd_ctx, NULL, "reset_config", handle_reset_config_command,
                COMMAND_CONFIG, NULL);
-
+       register_command(cmd_ctx, NULL, "nsrst_delay", handle_jtag_nsrst_delay_command,
+               COMMAND_CONFIG, NULL);
+       register_command(cmd_ctx, NULL, "ntrst_delay", handle_jtag_ntrst_delay_command,
+               COMMAND_CONFIG, NULL);
+               
        register_command(cmd_ctx, NULL, "scan_chain", handle_scan_chain_command,
                COMMAND_EXEC, "print current scan chain configuration");
 
@@ -1341,6 +1371,36 @@ int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, ch
        return ERROR_OK;
 }
 
+int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       if (argc < 1)
+       {
+               ERROR("nsrst_delay <ms> command takes one required argument");
+               exit(-1);
+       }
+       else
+       {
+               jtag_nsrst_delay = strtoul(args[0], NULL, 0);
+       }
+       
+       return ERROR_OK;
+}
+
+int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       if (argc < 1)
+       {
+               ERROR("ntrst_delay <ms> command takes one required argument");
+               exit(-1);
+       }
+       else
+       {
+               jtag_ntrst_delay = strtoul(args[0], NULL, 0);
+       }
+       
+       return ERROR_OK;
+}
+
 int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
        if (argc == 0)
index 124150c..f7630a5 100644 (file)
@@ -199,6 +199,9 @@ enum jtag_event
        JTAG_TRST_RELEASED,
 };
 
+extern int jtag_trst;
+extern int jtag_srst;
+
 typedef struct jtag_event_callback_s
 {
        int (*callback)(enum jtag_event event, void *priv);
index e78215e..21aa513 100644 (file)
@@ -310,6 +310,8 @@ int parport_init(void)
                return ERROR_JTAG_INIT_FAILED;
        }
 
+       DEBUG("opening /dev/parport%d...", parport_port);
+
        snprintf(buffer, 256, "/dev/parport%d", parport_port);
        device_handle = open(buffer, O_WRONLY);
        
@@ -319,6 +321,8 @@ int parport_init(void)
                return ERROR_JTAG_INIT_FAILED;
        }
 
+       DEBUG("...open");
+
        i=ioctl(device_handle, PPCLAIM);
        if (i<0)
        {
@@ -350,7 +354,8 @@ int parport_init(void)
        
        dataport = parport_port;
        statusport = parport_port + 1;
-               
+       
+       DEBUG("requesting privileges for parallel port 0x%x...", dataport);
 #if PARPORT_USE_GIVEIO == 1
        if (parport_get_giveio_access() != 0)
 #else /* PARPORT_USE_GIVEIO */
@@ -360,6 +365,7 @@ int parport_init(void)
                ERROR("missing privileges for direct i/o");
                return ERROR_JTAG_INIT_FAILED;
        }
+       DEBUG("...privileges granted");
 #endif /* PARPORT_USE_PPDEV */
        
        parport_reset(0, 0);
index e52afd3..53ff454 100644 (file)
@@ -18,7 +18,7 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
-#define OPENOCD_VERSION "Open On-Chip Debugger (2006-07-15 12:00 CEST)"
+#define OPENOCD_VERSION "Open On-Chip Debugger (2006-07-30 13:30 CEST)"
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
index 62fc3b5..6bb8012 100644 (file)
@@ -304,7 +304,8 @@ int arm7_9_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
                arm7_9_unset_breakpoint(target, breakpoint);
        }
        
-       arm7_9->wp_available++;
+       if (breakpoint->type == BKPT_HARD)
+               arm7_9->wp_available++;
        
        return ERROR_OK;
 }
@@ -456,11 +457,12 @@ int arm7_9_enable_sw_bkpts(struct target_s *target)
        if (arm7_9->sw_bkpts_enabled)
                return ERROR_OK;
        
-       if (arm7_9->wp_available-- < 1)
+       if (arm7_9->wp_available < 1)
        {
                WARNING("can't enable sw breakpoints with no watchpoint unit available");
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        }
+       arm7_9->wp_available--;
        
        if (!arm7_9->wp0_used)
        {
@@ -784,6 +786,12 @@ int arm7_9_halt(target_t *target)
        {
                WARNING("target was in unknown state when halt was requested");
        }
+       
+       if ((target->state == TARGET_RESET) && (jtag_reset_config & RESET_SRST_PULLS_TRST) && (jtag_srst))
+       {
+               ERROR("can't request a halt while in reset if nSRST pulls nTRST");
+               return ERROR_TARGET_FAILURE;
+       }
 
        if (arm7_9->use_dbgrq)
        {