X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Finclude%2Fjtag.h;h=5735a95b22ef04916bd4ca00b502d963df598173;hp=149ea85cabd7860d8a04f12175e50bec530c0eb9;hb=5fb0341d348e101b30794945a6c91546e25e8e7b;hpb=64712ca1ad4da7b006e1381c0909b409d24c9995 diff --git a/firmware/include/jtag.h b/firmware/include/jtag.h index 149ea85..5735a95 100644 --- a/firmware/include/jtag.h +++ b/firmware/include/jtag.h @@ -3,23 +3,21 @@ \brief JTAG handler functions. */ -#include -#include -#include +#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. @@ -32,31 +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 @@ -107,62 +88,36 @@ extern int savedtclk; //Replace every "CLRTCK SETTCK" with this. #define TCKTOCK CLRTCK,SETTCK - -//16-bit MSP430 JTAG commands, bit-swapped -//Rewrite these with MSP430 prefix. -#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(); -//! Power-On Reset -void jtag430_por(); - //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 JTAG430_HALTCPU 0xA0 -#define JTAG430_RELEASECPU 0xA1 -#define JTAG430_SETINSTRFETCH 0xC1 -#define JTAG430_SETPC 0xC2 -#define JTAG430_WRITEMEM 0xE0 -#define JTAG430_WRITEFLASH 0xE1 -#define JTAG430_READMEM 0xE2 -#define JTAG430_ERASEFLASH 0xE3 -#define JTAG430_ERASECHECK 0xE4 -#define JTAG430_VERIFYMEM 0xE5 -#define JTAG430_BLOWFUSE 0xE6 -#define JTAG430_ISFUSEBLOWN 0xE7 -#define JTAG430_COREIP_ID 0xF0 -#define JTAG430_DEVICE_ID 0xF1 +#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