1 /* SPDX-License-Identifier: GPL-2.0+ */
6 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
8 * Lattice's ispVME Embedded Tool to load Lattice's FPGA:
10 * Lattice Semiconductor Corp. Copyright 2009
16 #define VME_VERSION_NUMBER "12.1"
18 /* Maximum declarations. */
20 #define VMEHEXMAX 60000L /* The hex file is split 60K per file. */
21 #define SCANMAX 64000L /* The maximum SDR/SIR burst. */
25 * Supported JTAG state transitions.
35 /* 11/15/05 Nguyen changed to support DRCAPTURE*/
36 #define DRCAPTURE 0x06
39 * Flow control register bit definitions. A set bit indicates
40 * that the register currently exhibits the corresponding mode.
43 #define INTEL_PRGM 0x0001 /* Intelligent programming is in effect. */
44 #define CASCADE 0x0002 /* Currently splitting large SDR. */
45 #define REPEATLOOP 0x0008 /* Currently executing a repeat loop. */
46 #define SHIFTRIGHT 0x0080 /* The next data stream needs a right shift. */
47 #define SHIFTLEFT 0x0100 /* The next data stream needs a left shift. */
48 #define VERIFYUES 0x0200 /* Continue if fail is in effect. */
51 * DataType register bit definitions. A set bit indicates
52 * that the register currently holds the corresponding type of data.
55 #define EXPRESS 0x0001 /* Simultaneous program and verify. */
56 #define SIR_DATA 0x0002 /* SIR is the active SVF command. */
57 #define SDR_DATA 0x0004 /* SDR is the active SVF command. */
58 #define COMPRESS 0x0008 /* Data is compressed. */
59 #define TDI_DATA 0x0010 /* TDI data is present. */
60 #define TDO_DATA 0x0020 /* TDO data is present. */
61 #define MASK_DATA 0x0040 /* MASK data is present. */
62 #define HEAP_IN 0x0080 /* Data is from the heap. */
63 #define LHEAP_IN 0x0200 /* Data is from intel data buffer. */
64 #define VARIABLE 0x0400 /* Data is from a declared variable. */
65 #define CRC_DATA 0x0800 /* CRC data is pressent. */
66 #define CMASK_DATA 0x1000 /* CMASK data is pressent. */
67 #define RMASK_DATA 0x2000 /* RMASK data is pressent. */
68 #define READ_DATA 0x4000 /* READ data is pressent. */
69 #define DMASK_DATA 0x8000 /* DMASK data is pressent. */
77 #define signalENABLE 0x1C /* ispENABLE pin. */
78 #define signalTMS 0x1D /* TMS pin. */
79 #define signalTCK 0x1E /* TCK pin. */
80 #define signalTDI 0x1F /* TDI pin. */
81 #define signalTRST 0x20 /* TRST pin. */
97 * Note: opcodes must be unique.
100 #define ENDDATA 0x00 /* The end of the current SDR data stream. */
101 #define RUNTEST 0x01 /* The duration to stay at the stable state. */
102 #define ENDDR 0x02 /* The stable state after SDR. */
103 #define ENDIR 0x03 /* The stable state after SIR. */
104 #define ENDSTATE 0x04 /* The stable state after RUNTEST. */
105 #define TRST 0x05 /* Assert the TRST pin. */
107 * The sum of the IR bits of the
111 * The sum of the IR bits of the trailing
114 #define HDR 0x08 /* The number of leading devices. */
115 #define TDR 0x09 /* The number of trailing devices. */
116 #define ispEN 0x0A /* Assert the ispEN pin. */
117 #define FREQUENCY 0x0B /*
118 * The maximum clock rate to run the JTAG state
121 #define STATE 0x10 /* Move to the next stable state. */
122 #define SIR 0x11 /* The instruction stream follows. */
123 #define SDR 0x12 /* The data stream follows. */
124 #define TDI 0x13 /* The following data stream feeds into
127 * The following data stream is compared against
130 #define MASK 0x15 /* The following data stream is used as mask. */
132 * The following data stream is for simultaneous
133 * program and verify.
135 #define XTDI 0x17 /* The following data stream is for shift in
136 * only. It must be stored for the next
140 * There is not data stream. The data stream
141 * was stored from the previous XTDI.
144 * The maximum memory needed to allocate in
145 * order hold one row of data.
147 #define WAIT 0x1A /* The duration of delay to observe. */
148 #define TCK 0x1B /* The number of TCK pulses. */
150 * Set the flow control register for
154 * Set the flow control register for left shift.
156 #define HEAP 0x32 /* The memory size needed to hold one loop. */
157 #define REPEAT 0x33 /* The beginning of the loop. */
158 #define LEFTPAREN 0x35 /* The beginning of data following the loop. */
159 #define VAR 0x55 /* Plac holder for loop data. */
161 * The delay time in seconds that must be
164 #define SMASK 0x1D /* The mask for TDI data. */
165 #define MAX_WAIT 0x1E /* The absolute maximum wait time. */
166 #define ON 0x1F /* Assert the targeted pin. */
167 #define OFF 0x20 /* Dis-assert the targeted pin. */
168 #define SETFLOW 0x30 /* Change the flow control register. */
169 #define RESETFLOW 0x31 /* Clear the flow control register. */
172 * The following data stream is used for CRC
175 #define CMASK 0x48 /*
176 * The following data stream is used as mask
177 * for CRC calculation.
179 #define RMASK 0x49 /*
180 * The following data stream is used as mask
184 * The following data stream is used for read
187 #define ENDLOOP 0x59 /* The end of the repeat loop. */
188 #define SECUREHEAP 0x60 /* Used to secure the HEAP opcode. */
189 #define VUES 0x61 /* Support continue if fail. */
190 #define DMASK 0x62 /*
191 * The following data stream is used for dynamic
194 #define COMMENT 0x63 /* Support SVF comments in the VME file. */
195 #define HEADER 0x64 /* Support header in VME file. */
196 #define FILE_CRC 0x65 /* Support crc-protected VME file. */
197 #define LCOUNT 0x66 /* Support intelligent programming. */
198 #define LDELAY 0x67 /* Support intelligent programming. */
199 #define LSDR 0x68 /* Support intelligent programming. */
200 #define LHEAP 0x69 /*
201 * Memory needed to hold intelligent data
204 #define CONTINUE 0x70 /* Allow continuation. */
205 #define LVDS 0x71 /* Support LVDS. */
206 #define ENDVME 0x7F /* End of the VME file. */
207 #define ENDFILE 0xFF /* End of file. */
211 * ispVM Embedded Return Codes.
215 #define VME_VERIFICATION_FAILURE -1
216 #define VME_FILE_READ_FAILURE -2
217 #define VME_VERSION_FAILURE -3
218 #define VME_INVALID_FILE -4
219 #define VME_ARGUMENT_FAILURE -5
220 #define VME_CRC_FAILURE -6
222 #define g_ucPinTDI 0x01
223 #define g_ucPinTCK 0x02
224 #define g_ucPinTMS 0x04
225 #define g_ucPinENABLE 0x08
226 #define g_ucPinTRST 0x10
236 unsigned short usPositiveIndex;
237 unsigned short usNegativeIndex;
238 unsigned char ucUpdate;
242 min_lattice_iface_type, /* insert all new types after this */
243 lattice_jtag_mode, /* jtag/tap */
244 max_lattice_iface_type /* insert all new types before this */
249 Lattice_XP2, /* Lattice XP2 Family */
250 max_lattice_type /* insert all new types before this */
254 Lattice_Family family; /* part type */
255 Lattice_iface iface; /* interface type */
256 size_t size; /* bytes of data part can accept */
257 void *iface_fns; /* interface function table */
258 void *base; /* base interface address */
259 int cookie; /* implementation specific cookie */
260 char *desc; /* description string */
261 } Lattice_desc; /* end, typedef Altera_desc */
263 /* Board specific implementation specific function types */
264 typedef void (*Lattice_jtag_init)(void);
265 typedef void (*Lattice_jtag_set_tdi)(int v);
266 typedef void (*Lattice_jtag_set_tms)(int v);
267 typedef void (*Lattice_jtag_set_tck)(int v);
268 typedef int (*Lattice_jtag_get_tdo)(void);
271 Lattice_jtag_init jtag_init;
272 Lattice_jtag_set_tdi jtag_set_tdi;
273 Lattice_jtag_set_tms jtag_set_tms;
274 Lattice_jtag_set_tck jtag_set_tck;
275 Lattice_jtag_get_tdo jtag_get_tdo;
276 } lattice_board_specific_func;
278 void writePort(unsigned char pins, unsigned char value);
279 unsigned char readPort(void);
281 void ispVMDelay(unsigned short int a_usMicroSecondDelay);
282 void calibration(void);
284 int lattice_load(Lattice_desc *desc, const void *buf, size_t bsize);
285 int lattice_dump(Lattice_desc *desc, const void *buf, size_t bsize);
286 int lattice_info(Lattice_desc *desc);
288 void ispVMStart(void);
290 extern void ispVMFreeMem(void);
291 signed char ispVMCode(void);
292 void ispVMDelay(unsigned short int a_usMicroSecondDelay);
293 void ispVMCalculateCRC32(unsigned char a_ucData);
294 unsigned char GetByte(void);
295 void writePort(unsigned char pins, unsigned char value);
296 unsigned char readPort(void);