target/armv7m_trace: Improve SWO frequency auto-detection

[fw/openocd] / src / target / cortex_m.h

diff --git a/src/target/cortex_m.h b/src/target/cortex_m.h
index 54d7a02287ea25dc672f90b955368509c22af58a..505a09b68e555394408d91b28fed7566e2804392 100644 (file)
--- a/src/target/cortex_m.h
+++ b/src/target/cortex_m.h
@@ -86,6 +86,9 @@
 #define TPIU_FFCR      0xE0040304
 #define TPIU_FSCR      0xE0040308
 
+/* Maximum SWO prescaler value. */
+#define TPIU_ACPR_MAX_SWOSCALER        0x1fff
+
 /* DCB_DHCSR bit and field definitions */
 #define DBGKEY         (0xA05F << 16)
 #define C_DEBUGEN      (1 << 0)