jtagarm: added jtag_trans_many and supporting firmware and client functions/protocol...
[goodfet] / firmware / include / jtagarm7.h
index ea13851..74016a1 100644 (file)
 #define JTAGSTATE_ARM 0         // bit 4 on dbg status reg is low
 #define JTAGSTATE_THUMB 1
 
+// JTAG TAP states
+#define Exit2_DR 0x0
+#define Exit_DR 0x1
+#define Shift_DR 0x2
+#define Pause_DR 0x3
+#define Select_IR 0x4
+#define Update_DR 0x5
+#define Capture_DR 0x6
+#define Select_DR 0x7
+#define Exit2_IR 0x8
+#define Exit_IR 0x9
+#define Shift_IR 0xa
+#define Pause_IR 0xb
+#define RunTest_Idle 0xc
+#define Update_IR 0xd
+#define Capture_IR 0xe
+#define Test_Reset 0xf
+
 // JTAGARM7 Commands
 
 //! Start JTAG
@@ -22,6 +40,9 @@ void jtagarm7tdmi_set_register(unsigned long reg, unsigned long val);
 //!  Get a 32-bit ARM register
 unsigned long jtagarm7tdmi_get_register(unsigned long reg);
 
+//!  Shift an arbitrary number of bits, using an array of uchars
+uint8_t* jtag_trans_many(uint8_t *word, uint8_t bitcount, enum eTransFlags flags);
+
 // ARM7TDMI-specific pins
 // DBGRQ - GoodFET Pin 8
 #define DBGRQ   TST
@@ -84,9 +105,9 @@ The least significant bit of the instruction register is scanned in and scanned
 
 
 //JTAGARM7TDMI commands
-#define JTAGARM7_GET_REGISTER               0x87
-#define JTAGARM7_SET_REGISTER               0x88
-#define JTAGARM7_DEBUG_INSTR                0x89
+#define JTAGARM7_GET_REGISTER               0x8d
+#define JTAGARM7_SET_REGISTER               0x8e
+#define JTAGARM7_DEBUG_INSTR                0x8f
 // Really ARM specific stuff
 #define JTAGARM7_SET_IR                     0x90
 #define JTAGARM7_WAIT_DBG                   0x91
@@ -95,7 +116,11 @@ The least significant bit of the instruction register is scanned in and scanned
 #define JTAGARM7_SCANCHAIN1                 0x94
 #define JTAGARM7_EICE_READ                  0x95
 #define JTAGARM7_EICE_WRITE                 0x96
+#define JTAGARM7_IR_SIZE                    0x9f
+#define JTAGARM7_SCAN_N_SIZE                0x9e
 
+#define JTAGARM_SCAN1_MANY                  0x9d
+#define JTAG_DR_SHIFT_MANY                  0x9c
 
 // for deeper understanding, read the instruction cycle timing section of: 
 //      http://www.atmel.com/dyn/resources/prod_documents/DDI0029G_7TDMI_R3_trm.pdf
@@ -138,8 +163,9 @@ The least significant bit of the instruction register is scanned in and scanned
 #define JTAG_ARM7TDMI_DBG_IFEN      4
 #define JTAG_ARM7TDMI_DBG_cgenL     8
 #define JTAG_ARM7TDMI_DBG_TBIT      16
-
 extern app_t const jtagarm7_app;
+extern unsigned char g_jtag_ir_size;
+extern unsigned char g_jtagarm_scan_n_bitsize;
 
 #endif // JTAGARM7_H