summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPiotr Esden-Tempski <piotr@esden.net>2010-11-29 12:56:21 -0800
committerØyvind Harboe <oyvind.harboe@zylin.com>2010-11-30 08:15:19 +0100
commit94e1445a864532440380a640e180df81b4db07ec (patch)
treea1d71219f38f3b97b079d909e29c7f1320e57c43
parenta9d0b3de44c2ecbe011d5b01d17c18b0e969cc53 (diff)
downloadopenocd+libswd-94e1445a864532440380a640e180df81b4db07ec.tar.gz
openocd+libswd-94e1445a864532440380a640e180df81b4db07ec.tar.bz2
openocd+libswd-94e1445a864532440380a640e180df81b4db07ec.tar.xz
openocd+libswd-94e1445a864532440380a640e180df81b4db07ec.zip
Added support for the blinking leds on Floss-JTAG v0.3 and newer.
-rw-r--r--src/jtag/drivers/ft2232.c57
-rw-r--r--tcl/interface/flossjtag.cfg2
2 files changed, 58 insertions, 1 deletions
diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c
index 7440f0c9..44391599 100644
--- a/src/jtag/drivers/ft2232.c
+++ b/src/jtag/drivers/ft2232.c
@@ -189,6 +189,7 @@ static int signalyzer_h_init(void);
static int ktlink_init(void);
static int redbee_init(void);
static int lisa_l_init(void);
+static int flossjtag_init(void);
/* reset procedures for supported layouts */
static void ftx23_reset(int trst, int srst);
@@ -212,6 +213,7 @@ static void turtle_jtag_blink(void);
static void signalyzer_h_blink(void);
static void ktlink_blink(void);
static void lisa_l_blink(void);
+static void flossjtag_blink(void);
/* common transport support options */
@@ -311,6 +313,11 @@ static const struct ft2232_layout ft2232_layouts[] =
.blink = lisa_l_blink,
.channel = INTERFACE_B,
},
+ { .name = "flossjtag",
+ .init = flossjtag_init,
+ .reset = ftx23_reset,
+ .blink = flossjtag_blink,
+ },
{ .name = NULL, /* END OF TABLE */ },
};
@@ -3134,6 +3141,37 @@ static int lisa_l_init(void)
return ftx232_dbus_write();
}
+
+static int flossjtag_init(void)
+{
+ uint8_t buf[3];
+ uint32_t bytes_written;
+
+ 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 'Floss-JTAG' 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
@@ -3205,6 +3243,25 @@ static void lisa_l_blink(void)
buffer_write(high_direction);
}
+static void flossjtag_blink(void)
+{
+ /*
+ * Floss-JTAG has two LEDs connected to ACBUS3 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
diff --git a/tcl/interface/flossjtag.cfg b/tcl/interface/flossjtag.cfg
index 491f39aa..9511dd22 100644
--- a/tcl/interface/flossjtag.cfg
+++ b/tcl/interface/flossjtag.cfg
@@ -16,5 +16,5 @@ interface ft2232
ft2232_vid_pid 0x0403 0x6010
ft2232_device_desc "FLOSS-JTAG"
#ft2232_serial "FJ000001"
-ft2232_layout "usbjtag"
+ft2232_layout "flossjtag"
ft2232_latency 2