[Openocd-development] [PATCH 1/3] Adds a mechanism to specify the FTDI interface in the layout

[Mariano Alvira]

---
 src/jtag/drivers/ft2232.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c
index 5042a22..65b63dd 100644
--- a/src/jtag/drivers/ft2232.c
+++ b/src/jtag/drivers/ft2232.c
@@ -145,6 +145,7 @@ struct ft2232_layout {
        int (*init)(void);
        void (*reset)(int trst, int srst);
        void (*blink)(void);
+       int interface;
 };
 
 /* init procedures for supported layouts */
@@ -2062,7 +2063,7 @@ static int ft2232_purge_ftd2xx(void)
 #endif /* BUILD_FT2232_FTD2XX == 1 */
 
 #if BUILD_FT2232_LIBFTDI == 1
-static int ft2232_init_libftdi(uint16_t vid, uint16_t pid, int more, int* 
try_more)
+static int ft2232_init_libftdi(uint16_t vid, uint16_t pid, int more, int* 
try_more, int interface)
 {
        uint8_t latency_timer;
 
@@ -2072,7 +2073,10 @@ static int ft2232_init_libftdi(uint16_t vid, uint16_t 
pid, int more, int* try_mo
        if (ftdi_init(&ftdic) < 0)
                return ERROR_JTAG_INIT_FAILED;
 
-       if (ftdi_set_interface(&ftdic, INTERFACE_A) < 0)
+       /* default to INTERFACE_A */
+       if(interface == INTERFACE_ANY) { interface = INTERFACE_A; }
+
+       if (ftdi_set_interface(&ftdic, interface) < 0)
        {
                LOG_ERROR("unable to select FT2232 channel A: %s", 
ftdic.error_str);
                return ERROR_JTAG_INIT_FAILED;
@@ -2197,7 +2201,7 @@ static int ft2232_init(void)
                                more, &try_more);
 #elif BUILD_FT2232_LIBFTDI == 1
                retval = ft2232_init_libftdi(ft2232_vid[i], ft2232_pid[i],
-                               more, &try_more);
+                                            more, &try_more, 
cur_layout->interface);
 #endif
                if (retval >= 0)
                        break;
-- 
1.5.6.5

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