X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fft2232.c;h=e6a7363fc20f28742b0a15b1afcf4ea7c702c4d8;hp=3a156bfea7d048194d97e2925fa883fa5e069b9c;hb=57dce9560a2885782860b127fd1629798d659440;hpb=108a458ab88880d063c29e1d09820fe6b62251dc

diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c
index 3a156bfea7..e6a7363fc2 100644
--- a/src/jtag/drivers/ft2232.c
+++ b/src/jtag/drivers/ft2232.c
@@ -193,6 +193,7 @@ static int redbee_init(void);
 static int lisa_l_init(void);
 static int flossjtag_init(void);
 static int xds100v2_init(void);
+static int digilent_hs1_init(void);
 
 /* reset procedures for supported layouts */
 static void ftx23_reset(int trst, int srst);
@@ -211,6 +212,7 @@ static void signalyzer_h_reset(int trst, int srst);
 static void ktlink_reset(int trst, int srst);
 static void redbee_reset(int trst, int srst);
 static void xds100v2_reset(int trst, int srst);
+static void digilent_hs1_reset(int trst, int srst);
 
 /* blink procedures for layouts that support a blinking led */
 static void olimex_jtag_blink(void);
@@ -337,6 +339,11 @@ static const struct ft2232_layout  ft2232_layouts[] = {
 		.init = xds100v2_init,
 		.reset = xds100v2_reset,
 	},
+	{ .name = "digilent-hs1",
+		.init = digilent_hs1_init,
+		.reset = digilent_hs1_reset,
+		.channel = INTERFACE_A,
+	},
 	{ .name = NULL, /* END OF TABLE */ },
 };
 
@@ -4179,6 +4186,33 @@ static void ktlink_blink(void)
 	buffer_write(high_direction);
 }
 
+/********************************************************************
+ * Support for Digilent HS-1
+ * JTAG adapter from Digilent
+ * http://www.digilent.com
+ * Author: Stephane Bonnet bonnetst@hds.utc.fr
+ *******************************************************************/
+
+static int digilent_hs1_init(void)
+{
+	/* the adapter only supports the base JTAG signals, no nTRST
+	   nor nSRST */
+	low_output	= 0x88;
+	low_direction	= 0x8b;
+
+	/* initialize low byte for jtag */
+	if (ft2232_set_data_bits_low_byte(low_output, low_direction) != ERROR_OK) {
+		LOG_ERROR("couldn't initialize FT2232 with 'digilent_hs1' layout");
+		return ERROR_JTAG_INIT_FAILED;
+	}
+	return ERROR_OK;
+}
+
+static void digilent_hs1_reset(int trst, int srst)
+{
+	/* Dummy function, no reset signals supported. */
+}
+
 static const struct command_registration ft2232_command_handlers[] = {
 	{
 		.name = "ft2232_device_desc",