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-rw-r--r--src/target/xscale.h24
1 files changed, 7 insertions, 17 deletions
diff --git a/src/target/xscale.h b/src/target/xscale.h
index 6cfe76e6..a5d83ee6 100644
--- a/src/target/xscale.h
+++ b/src/target/xscale.h
@@ -29,18 +29,13 @@
#define XSCALE_COMMON_MAGIC 0x58534341
-typedef struct xscale_jtag_s
-{
- /* position in JTAG scan chain */
- jtag_tap_t *tap;
-
- /* IR length and instructions */
- int ir_length;
- uint32_t dbgrx;
- uint32_t dbgtx;
- uint32_t ldic;
- uint32_t dcsr;
-} xscale_jtag_t;
+/* These four JTAG instructions are architecturally defined.
+ * Lengths are core-specific; originally 5 bits, later 7.
+ */
+#define XSCALE_DBGRX 0x02
+#define XSCALE_DBGTX 0x10
+#define XSCALE_LDIC 0x07
+#define XSCALE_SELDCSR 0x09
enum xscale_debug_reason
{
@@ -90,11 +85,6 @@ typedef struct xscale_common_s
/* XScale registers (CP15, DBG) */
reg_cache_t *reg_cache;
- /* pxa250, pxa255, pxa27x, ixp42x, ... */
- char *variant;
-
- xscale_jtag_t jtag_info;
-
/* current state of the debug handler */
int handler_installed;
int handler_running;