5 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
7 * Lattice's ispVME Embedded Tool to load Lattice's FPGA:
9 * Lattice Semiconductor Corp. Copyright 2009
11 * See file CREDITS for list of people who contributed to this
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
34 #define VME_VERSION_NUMBER "12.1"
36 /* Maximum declarations. */
38 #define VMEHEXMAX 60000L /* The hex file is split 60K per file. */
39 #define SCANMAX 64000L /* The maximum SDR/SIR burst. */
43 * Supported JTAG state transitions.
53 /* 11/15/05 Nguyen changed to support DRCAPTURE*/
54 #define DRCAPTURE 0x06
57 * Flow control register bit definitions. A set bit indicates
58 * that the register currently exhibits the corresponding mode.
61 #define INTEL_PRGM 0x0001 /* Intelligent programming is in effect. */
62 #define CASCADE 0x0002 /* Currently splitting large SDR. */
63 #define REPEATLOOP 0x0008 /* Currently executing a repeat loop. */
64 #define SHIFTRIGHT 0x0080 /* The next data stream needs a right shift. */
65 #define SHIFTLEFT 0x0100 /* The next data stream needs a left shift. */
66 #define VERIFYUES 0x0200 /* Continue if fail is in effect. */
69 * DataType register bit definitions. A set bit indicates
70 * that the register currently holds the corresponding type of data.
73 #define EXPRESS 0x0001 /* Simultaneous program and verify. */
74 #define SIR_DATA 0x0002 /* SIR is the active SVF command. */
75 #define SDR_DATA 0x0004 /* SDR is the active SVF command. */
76 #define COMPRESS 0x0008 /* Data is compressed. */
77 #define TDI_DATA 0x0010 /* TDI data is present. */
78 #define TDO_DATA 0x0020 /* TDO data is present. */
79 #define MASK_DATA 0x0040 /* MASK data is present. */
80 #define HEAP_IN 0x0080 /* Data is from the heap. */
81 #define LHEAP_IN 0x0200 /* Data is from intel data buffer. */
82 #define VARIABLE 0x0400 /* Data is from a declared variable. */
83 #define CRC_DATA 0x0800 /* CRC data is pressent. */
84 #define CMASK_DATA 0x1000 /* CMASK data is pressent. */
85 #define RMASK_DATA 0x2000 /* RMASK data is pressent. */
86 #define READ_DATA 0x4000 /* READ data is pressent. */
87 #define DMASK_DATA 0x8000 /* DMASK data is pressent. */
95 #define signalENABLE 0x1C /* ispENABLE pin. */
96 #define signalTMS 0x1D /* TMS pin. */
97 #define signalTCK 0x1E /* TCK pin. */
98 #define signalTDI 0x1F /* TDI pin. */
99 #define signalTRST 0x20 /* TRST pin. */
113 * Opcode definitions.
115 * Note: opcodes must be unique.
118 #define ENDDATA 0x00 /* The end of the current SDR data stream. */
119 #define RUNTEST 0x01 /* The duration to stay at the stable state. */
120 #define ENDDR 0x02 /* The stable state after SDR. */
121 #define ENDIR 0x03 /* The stable state after SIR. */
122 #define ENDSTATE 0x04 /* The stable state after RUNTEST. */
123 #define TRST 0x05 /* Assert the TRST pin. */
125 * The sum of the IR bits of the
129 * The sum of the IR bits of the trailing
132 #define HDR 0x08 /* The number of leading devices. */
133 #define TDR 0x09 /* The number of trailing devices. */
134 #define ispEN 0x0A /* Assert the ispEN pin. */
135 #define FREQUENCY 0x0B /*
136 * The maximum clock rate to run the JTAG state
139 #define STATE 0x10 /* Move to the next stable state. */
140 #define SIR 0x11 /* The instruction stream follows. */
141 #define SDR 0x12 /* The data stream follows. */
142 #define TDI 0x13 /* The following data stream feeds into
145 * The following data stream is compared against
148 #define MASK 0x15 /* The following data stream is used as mask. */
150 * The following data stream is for simultaneous
151 * program and verify.
153 #define XTDI 0x17 /* The following data stream is for shift in
154 * only. It must be stored for the next
158 * There is not data stream. The data stream
159 * was stored from the previous XTDI.
162 * The maximum memory needed to allocate in
163 * order hold one row of data.
165 #define WAIT 0x1A /* The duration of delay to observe. */
166 #define TCK 0x1B /* The number of TCK pulses. */
168 * Set the flow control register for
172 * Set the flow control register for left shift.
174 #define HEAP 0x32 /* The memory size needed to hold one loop. */
175 #define REPEAT 0x33 /* The beginning of the loop. */
176 #define LEFTPAREN 0x35 /* The beginning of data following the loop. */
177 #define VAR 0x55 /* Plac holder for loop data. */
179 * The delay time in seconds that must be
182 #define SMASK 0x1D /* The mask for TDI data. */
183 #define MAX_WAIT 0x1E /* The absolute maximum wait time. */
184 #define ON 0x1F /* Assert the targeted pin. */
185 #define OFF 0x20 /* Dis-assert the targeted pin. */
186 #define SETFLOW 0x30 /* Change the flow control register. */
187 #define RESETFLOW 0x31 /* Clear the flow control register. */
190 * The following data stream is used for CRC
193 #define CMASK 0x48 /*
194 * The following data stream is used as mask
195 * for CRC calculation.
197 #define RMASK 0x49 /*
198 * The following data stream is used as mask
202 * The following data stream is used for read
205 #define ENDLOOP 0x59 /* The end of the repeat loop. */
206 #define SECUREHEAP 0x60 /* Used to secure the HEAP opcode. */
207 #define VUES 0x61 /* Support continue if fail. */
208 #define DMASK 0x62 /*
209 * The following data stream is used for dynamic
212 #define COMMENT 0x63 /* Support SVF comments in the VME file. */
213 #define HEADER 0x64 /* Support header in VME file. */
214 #define FILE_CRC 0x65 /* Support crc-protected VME file. */
215 #define LCOUNT 0x66 /* Support intelligent programming. */
216 #define LDELAY 0x67 /* Support intelligent programming. */
217 #define LSDR 0x68 /* Support intelligent programming. */
218 #define LHEAP 0x69 /*
219 * Memory needed to hold intelligent data
222 #define CONTINUE 0x70 /* Allow continuation. */
223 #define LVDS 0x71 /* Support LVDS. */
224 #define ENDVME 0x7F /* End of the VME file. */
225 #define ENDFILE 0xFF /* End of file. */
229 * ispVM Embedded Return Codes.
233 #define VME_VERIFICATION_FAILURE -1
234 #define VME_FILE_READ_FAILURE -2
235 #define VME_VERSION_FAILURE -3
236 #define VME_INVALID_FILE -4
237 #define VME_ARGUMENT_FAILURE -5
238 #define VME_CRC_FAILURE -6
240 #define g_ucPinTDI 0x01
241 #define g_ucPinTCK 0x02
242 #define g_ucPinTMS 0x04
243 #define g_ucPinENABLE 0x08
244 #define g_ucPinTRST 0x10
254 unsigned short usPositiveIndex;
255 unsigned short usNegativeIndex;
256 unsigned char ucUpdate;
260 min_lattice_iface_type, /* insert all new types after this */
261 lattice_jtag_mode, /* jtag/tap */
262 max_lattice_iface_type /* insert all new types before this */
267 Lattice_XP2, /* Lattice XP2 Family */
268 max_lattice_type /* insert all new types before this */
272 Lattice_Family family; /* part type */
273 Lattice_iface iface; /* interface type */
274 size_t size; /* bytes of data part can accept */
275 void *iface_fns; /* interface function table */
276 void *base; /* base interface address */
277 int cookie; /* implementation specific cookie */
278 char *desc; /* description string */
279 } Lattice_desc; /* end, typedef Altera_desc */
281 /* Lattice Model Type */
282 #define CONFIG_SYS_XP2 CONFIG_SYS_FPGA_DEV(0x1)
284 /* Board specific implementation specific function types */
285 typedef void (*Lattice_jtag_init)(void);
286 typedef void (*Lattice_jtag_set_tdi)(int v);
287 typedef void (*Lattice_jtag_set_tms)(int v);
288 typedef void (*Lattice_jtag_set_tck)(int v);
289 typedef int (*Lattice_jtag_get_tdo)(void);
292 Lattice_jtag_init jtag_init;
293 Lattice_jtag_set_tdi jtag_set_tdi;
294 Lattice_jtag_set_tms jtag_set_tms;
295 Lattice_jtag_set_tck jtag_set_tck;
296 Lattice_jtag_get_tdo jtag_get_tdo;
297 } lattice_board_specific_func;
299 void writePort(unsigned char pins, unsigned char value);
300 unsigned char readPort(void);
302 void ispVMDelay(unsigned short int a_usMicroSecondDelay);
303 void calibration(void);
305 int lattice_load(Lattice_desc *desc, void *buf, size_t bsize);
306 int lattice_dump(Lattice_desc *desc, void *buf, size_t bsize);
307 int lattice_info(Lattice_desc *desc);
309 void ispVMStart(void);
311 signed char ispVMCode(void);
312 void ispVMDelay(unsigned short int a_usMicroSecondDelay);
313 void ispVMCalculateCRC32(unsigned char a_ucData);
314 unsigned char GetByte(void);
315 void writePort(unsigned char pins, unsigned char value);
316 unsigned char readPort(void);