Change-Id: Ibba786c7e18bf15a04b85a2071c79f631a252ccf
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/4709
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Tested-by: Spencer Oliver <spen@spen-soft.co.uk>
* version of stlink
*/
#define STLINK_F_HAS_TRACE (1UL << 0)
* version of stlink
*/
#define STLINK_F_HAS_TRACE (1UL << 0)
+#define STLINK_F_HAS_SWD_SET_FREQ (1UL << 1)
/* aliases */
#define STLINK_F_HAS_TARGET_VOLT STLINK_F_HAS_TRACE
/* aliases */
#define STLINK_F_HAS_TARGET_VOLT STLINK_F_HAS_TRACE
if (h->version.jtag >= 13)
flags |= STLINK_F_HAS_TRACE;
if (h->version.jtag >= 13)
flags |= STLINK_F_HAS_TRACE;
+ /* API to set SWD frequency from J22 */
+ if (h->version.jtag >= 22)
+ flags |= STLINK_F_HAS_SWD_SET_FREQ;
+
- /* only supported by stlink/v2 and for firmware >= 22 */
- if (h->version.stlink == 1 || h->version.jtag < 22)
+ if (!(h->version.flags & STLINK_F_HAS_SWD_SET_FREQ))
return ERROR_COMMAND_NOTFOUND;
stlink_usb_init_buffer(handle, h->rx_ep, 2);
return ERROR_COMMAND_NOTFOUND;
stlink_usb_init_buffer(handle, h->rx_ep, 2);
int speed_index;
struct stlink_usb_handle_s *h = handle;
int speed_index;
struct stlink_usb_handle_s *h = handle;
- /* only supported by stlink/v2 and for firmware >= 22 */
- if (h->version.stlink == 1 || h->version.jtag < 22)
+ /* old firmware cannot change it */
+ if (!(h->version.flags & STLINK_F_HAS_SWD_SET_FREQ))
return khz;
speed_index = stlink_match_speed_map(stlink_khz_to_speed_map_swd,
return khz;
speed_index = stlink_match_speed_map(stlink_khz_to_speed_map_swd,
stlink_speed(h, param->initial_interface_speed, false);
}
} else if (h->transport == HL_TRANSPORT_SWD) {
stlink_speed(h, param->initial_interface_speed, false);
}
} else if (h->transport == HL_TRANSPORT_SWD) {
- /* clock speed only supported by stlink/v2 and for firmware >= 22 */
- if (h->version.stlink >= 2 && h->version.jtag >= 22) {
+ if (h->version.flags & STLINK_F_HAS_SWD_SET_FREQ) {
stlink_dump_speed_map(stlink_khz_to_speed_map_swd, ARRAY_SIZE(stlink_khz_to_speed_map_swd));
stlink_speed(h, param->initial_interface_speed, false);
}
stlink_dump_speed_map(stlink_khz_to_speed_map_swd, ARRAY_SIZE(stlink_khz_to_speed_map_swd));
stlink_speed(h, param->initial_interface_speed, false);
}
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