arm_adi_v5: put SWJ-DP back to JTAG mode at exit

[openocd.git] / src / target / arm_adi_v5.h

diff --git a/src/target/arm_adi_v5.h b/src/target/arm_adi_v5.h
index aa5fa42fef6efcdc6c277dd005218f81b41b6280..883ac8b5d8df582225eba60d1f67a14a00d09a43 100644 (file)
--- a/src/target/arm_adi_v5.h
+++ b/src/target/arm_adi_v5.h
@@ -112,13 +112,16 @@
 #define CSW_ADDRINC_PACKED  (2UL << 4)
 #define CSW_DEVICE_EN       (1UL << 6)
 #define CSW_TRIN_PROG       (1UL << 7)
+/* all fields in bits 12 and above are implementation-defined! */
 #define CSW_SPIDEN          (1UL << 23)
-/* 30:24 - implementation-defined! */
-#define CSW_HPROT           (1UL << 25) /* ? */
-#define CSW_MASTER_DEBUG    (1UL << 29) /* ? */
+#define CSW_HPROT1          (1UL << 25) /* AHB: Privileged */
+#define CSW_MASTER_DEBUG    (1UL << 29) /* AHB: set HMASTER signals to AHB-AP ID */
 #define CSW_SPROT           (1UL << 30)
 #define CSW_DBGSWENABLE     (1UL << 31)
 
+/* initial value of csw_default used for MEM-AP transfers */
+#define CSW_DEFAULT                    (CSW_HPROT1 | CSW_MASTER_DEBUG | CSW_DBGSWENABLE)
+
 /* Fields of the MEM-AP's IDR register */
 #define IDR_REV     (0xFUL << 28)
 #define IDR_JEP106  (0x7FFUL << 17)
@@ -244,6 +247,10 @@ struct adiv5_dap {
         * should be performed before the next access.
         */
        bool do_reconnect;
+
+       /** Flag saying whether to ignore the syspwrupack flag in DAP. Some devices
+        *  do not set this bit until later in the bringup sequence */
+       bool ignore_syspwrupack;
 };
 
 /**
@@ -279,6 +286,9 @@ struct dap_ops {
        /** Executes all queued DAP operations but doesn't check
         * sticky error conditions */
        int (*sync)(struct adiv5_dap *dap);
+
+       /** Optional; called at OpenOCD exit */
+       void (*quit)(struct adiv5_dap *dap);
 };
 
 /*