Added support for the Lisa/L jtag LEDs.
authorPiotr Esden-Tempski <piotr@esden.net>
Wed, 4 Aug 2010 05:04:46 +0000 (22:04 -0700)
committerØyvind Harboe <oyvind.harboe@zylin.com>
Fri, 13 Aug 2010 07:52:35 +0000 (09:52 +0200)
src/jtag/drivers/ft2232.c

index ecfa17f2c5ba8388daf1bec5bf5745380b407700..7440f0c951c1cdd55e10dbf9175bc9da1cab8c27 100644 (file)
@@ -188,6 +188,7 @@ static int signalyzer_init(void);
 static int signalyzer_h_init(void);
 static int ktlink_init(void);
 static int redbee_init(void);
+static int lisa_l_init(void);
 
 /* reset procedures for supported layouts */
 static void ftx23_reset(int trst, int srst);
@@ -210,6 +211,7 @@ static void flyswatter_jtag_blink(void);
 static void turtle_jtag_blink(void);
 static void signalyzer_h_blink(void);
 static void ktlink_blink(void);
+static void lisa_l_blink(void);
 
 /* common transport support options */
 
@@ -304,8 +306,9 @@ static const struct ft2232_layout  ft2232_layouts[] =
                .channel = INTERFACE_B,
        },
        { .name = "lisa-l",
-               .init = usbjtag_init,
+               .init = lisa_l_init,
                .reset = ftx23_reset,
+               .blink = lisa_l_blink,
                .channel = INTERFACE_B,
        },
        { .name = NULL, /* END OF TABLE */ },
@@ -3098,6 +3101,39 @@ static int cortino_jtag_init(void)
        return ERROR_OK;
 }
 
+static int lisa_l_init(void)
+{
+       uint8_t  buf[3];
+       uint32_t bytes_written;
+
+       /*
+        * NOTE:  This is now _specific_ to the "usbjtag" layout.
+        * Don't try cram any more layouts into this.
+        */
+       ftx232_dbus_init();
+
+       nTRST    = 0x10;
+       nTRSTnOE = 0x10;
+       nSRST    = 0x40;
+       nSRSTnOE = 0x40;
+
+       high_output = 0x00;
+       high_direction = 0x18;
+
+       /* initialize high port */
+       buf[0] = 0x82; /* command "set data bits high byte" */
+       buf[1] = high_output;
+       buf[2] = high_direction;
+       LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
+
+       if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK)
+       {
+               LOG_ERROR("couldn't initialize FT2232 with 'lisa_l' layout");
+               return ERROR_JTAG_INIT_FAILED;
+       }
+
+       return ftx232_dbus_write();
+}
 static void olimex_jtag_blink(void)
 {
        /* Olimex ARM-USB-OCD has a LED connected to ACBUS3
@@ -3150,6 +3186,25 @@ static void turtle_jtag_blink(void)
        buffer_write(high_direction);
 }
 
+static void lisa_l_blink(void)
+{
+       /*
+        * Lisa/L has two LEDs connected to BCBUS3 and ACBUS4
+        */
+       if (high_output & 0x10)
+       {
+               high_output = 0x08;
+       }
+       else
+       {
+               high_output = 0x10;
+       }
+
+       buffer_write(0x82);
+       buffer_write(high_output);
+       buffer_write(high_direction);
+}
+
 static int ft2232_quit(void)
 {
 #if BUILD_FT2232_FTD2XX == 1