X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Finclude%2Fjtag.h;h=5735a95b22ef04916bd4ca00b502d963df598173;hp=a766b06e53505a25c996a836c7f4b47410d0fd07;hb=431b6de5c30361f444ec74e2469b5ac090d2f39d;hpb=1283fdb830f9ecd0e27e10ef66927562aff674a7

diff --git a/firmware/include/jtag.h b/firmware/include/jtag.h
index a766b06..5735a95 100644
--- a/firmware/include/jtag.h
+++ b/firmware/include/jtag.h
@@ -1,21 +1,23 @@
+/*! \file jtag.h
+  \author Travis Goodspeed
+  \brief JTAG handler functions.
+*/
 
-#include <signal.h>
-#include <io.h>
-#include <iomacros.h>
+#ifndef JTAG_H
+#define JTAG_H
 
+#include "app.h"
 
-extern unsigned int drwidth;
-
-#define MSP430MODE 0
-#define MSP430XMODE 1
-#define MSP430X2MODE 2
-extern unsigned int jtag430mode;
+#define JTAG 0x10
 
 // Generic Commands
 
 //! Shift n bytes.
 unsigned long jtagtransn(unsigned long word,
-			 unsigned int bitcount);
+			 unsigned char bitcount,
+             unsigned char flags);
+//! Shift the address width.
+unsigned long jtag_dr_shiftadr(unsigned long in);
 //! Shift 8 bits of the IR.
 unsigned char jtag_ir_shift8(unsigned char);
 //! Shift 16 bits of the DR.
@@ -28,31 +30,14 @@ void jtag_stop();
 //! Setup the JTAG pin directions.
 void jtagsetup();
 
-// JTAG430 Commands
-
-//! Start JTAG, unique to the '430.
-void jtag430_start();
-//! Reset the TAP state machine, check the fuse.
-void jtag430_resettap();
-
-//! Defined in jtag430asm.S
-void jtag430_tclk_flashpulses(int);
-
-//High-level Macros follow
-//! Write data to address.
-void jtag430_writemem(unsigned int adr, unsigned int data);
-//! Read data from address
-unsigned int jtag430_readmem(unsigned int adr);
-//! Halt the CPU
-void jtag430_haltcpu();
-//! Release the CPU
-void jtag430_releasecpu();
-//! Set CPU to Instruction Fetch
-void jtag430_setinstrfetch();
-//! Set the program counter.
-void jtag430_setpc(unsigned int adr);
-//! Write data to address.
-void jtag430_writeflash(unsigned int adr, unsigned int data);
+//! Ratchet Clock Down and Up
+void jtag_tcktock();
+//! Go to SHIFT_IR
+void jtag_goto_shift_ir();
+//! Go to SHIFT_DR
+void jtag_goto_shift_dr();
+//! TAP RESET
+void jtag_resettap();
 
 //Pins.  Both SPI and JTAG names are acceptable.
 //#define SS   BIT0
@@ -100,37 +85,39 @@ extern int savedtclk;
 #define SAVETCLK savedtclk=P5OUT&TCLK;
 #define RESTORETCLK if(savedtclk) P5OUT|=TCLK; else P5OUT&=~TCLK
 
-
-//16-bit MSP430 JTAG commands, bit-swapped
-#define IR_CNTRL_SIG_16BIT         0xC8   // 0x13
-#define IR_CNTRL_SIG_CAPTURE       0x28   // 0x14
-#define IR_CNTRL_SIG_RELEASE       0xA8   // 0x15
-// Instructions for the JTAG Fuse
-#define IR_PREPARE_BLOW            0x44   // 0x22
-#define IR_EX_BLOW                 0x24   // 0x24
-// Instructions for the JTAG data register
-#define IR_DATA_16BIT              0x82   // 0x41
-#define IR_DATA_QUICK              0xC2   // 0x43
-// Instructions for the JTAG PSA mode
-#define IR_DATA_PSA                0x22   // 0x44
-#define IR_SHIFT_OUT_PSA           0x62   // 0x46
-// Instructions for the JTAG address register
-#define IR_ADDR_16BIT              0xC1   // 0x83
-#define IR_ADDR_CAPTURE            0x21   // 0x84
-#define IR_DATA_TO_ADDR            0xA1   // 0x85
-// Bypass instruction
-#define IR_BYPASS                  0xFF   // 0xFF
-
-//MSP430X2 unique
-#define IR_COREIP_ID               0xE8   // 0x17 
-#define IR_DEVICE_ID               0xE1   // 0x87
-
-//MSP430 or MSP430X
-#define MSP430JTAGID 0x89
-//MSP430X2 only
-#define MSP430X2JTAGID 0x91
-
-//! Syncs a POR.
-unsigned int jtag430x2_syncpor();
-//! Executes an MSP430X2 POR
-unsigned int jtag430x2_por();
+//Replace every "CLRTCK SETTCK" with this.
+#define TCKTOCK CLRTCK,SETTCK
+
+//JTAG commands
+#define JTAG_IR_SHIFT 0x80
+#define JTAG_DR_SHIFT 0x81
+#define JTAG_RESETTAP 0x82
+#define JTAG_RESETTARGET 0x83
+#define JTAG_DR_SHIFT20 0x91
+
+#define MSB         0
+#define LSB         1
+#define NOEND       2
+#define NORETIDLE   4
+
+//JTAG430 commands
+#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
+
+extern app_t const jtag_app;
+
+#endif