As per Arm Debug Interface Architecture Specification (ADIv5.0 to
ADIv5.2), B3.3.1, the JTAG-DP as an IR length of 4 or 8 bits
depending on the ARM implementation. The current code
only support 4-bit and this patch extends the support to 8-bit IR.
Not tested back yet on a 4-bit target.
Change-Id: Ie4f875dc336caf014c6cfced57574b54d0970623
Signed-off-by: Antoine C. <acalando@free.fr>
Reviewed-on: https://review.openocd.org/c/openocd/+/6285
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
/*#define DEBUG_WAIT*/
/* JTAG instructions/registers for JTAG-DP and SWJ-DP */
-#define JTAG_DP_ABORT 0x8
-#define JTAG_DP_DPACC 0xA
-#define JTAG_DP_APACC 0xB
-#define JTAG_DP_IDCODE 0xE
+#define JTAG_DP_ABORT 0xF8
+#define JTAG_DP_DPACC 0xFA
+#define JTAG_DP_APACC 0xFB
+#define JTAG_DP_IDCODE 0xFE
/* three-bit ACK values for DPACC and APACC reads */
#define JTAG_ACK_OK_FAULT 0x2
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