xref: /openbmc/u-boot/include/lattice.h (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1  /* SPDX-License-Identifier: GPL-2.0+ */
2  /*
3   * Porting to U-Boot:
4   *
5   * (C) Copyright 2010
6   * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
7   *
8   * Lattice's ispVME Embedded Tool to load Lattice's FPGA:
9   *
10   * Lattice Semiconductor Corp. Copyright 2009
11   */
12  
13  #ifndef _VME_OPCODE_H
14  #define _VME_OPCODE_H
15  
16  #define VME_VERSION_NUMBER "12.1"
17  
18  /* Maximum declarations. */
19  
20  #define VMEHEXMAX	60000L	/* The hex file is split 60K per file. */
21  #define SCANMAX		64000L	/* The maximum SDR/SIR burst. */
22  
23  /*
24   *
25   * Supported JTAG state transitions.
26   *
27   */
28  
29  #define RESET		0x00
30  #define IDLE		0x01
31  #define IRPAUSE		0x02
32  #define DRPAUSE		0x03
33  #define SHIFTIR		0x04
34  #define SHIFTDR		0x05
35  /* 11/15/05 Nguyen changed to support DRCAPTURE*/
36  #define DRCAPTURE	0x06
37  
38  /*
39   * Flow control register bit definitions.  A set bit indicates
40   * that the register currently exhibits the corresponding mode.
41   */
42  
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. */
49  
50  /*
51   * DataType register bit definitions.  A set bit indicates
52   * that the register currently holds the corresponding type of data.
53   */
54  
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. */
70  
71  /*
72   *
73   * Pin opcodes.
74   *
75   */
76  
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. */
82  
83  /*
84   *
85   * Supported vendors.
86   *
87   */
88  
89  #define VENDOR		0x56
90  #define LATTICE		0x01
91  #define ALTERA		0x02
92  #define XILINX		0x03
93  
94  /*
95   * Opcode definitions.
96   *
97   * Note: opcodes must be unique.
98   */
99  
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. */
106  #define HIR		0x06	/*
107  				 * The sum of the IR bits of the
108  				 * leading devices.
109  				 */
110  #define TIR		0x07	/*
111  				 * The sum of the IR bits of the trailing
112  				 * devices.
113  				 */
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
119  				 * machine.
120  				 */
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
125  					the device. */
126  #define TDO		0x14	/*
127  				 * The following data stream is compared against
128  				 * the device.
129  				 */
130  #define MASK		0x15	/* The following data stream is used as mask. */
131  #define XSDR		0x16	/*
132  				 * The following data stream is for simultaneous
133  				 * program and verify.
134  				 */
135  #define XTDI		0x17	/* The following data stream is for shift in
136  				 * only. It must be stored for the next
137  				 * XSDR.
138  				 */
139  #define XTDO		0x18	/*
140  				 * There is not data stream.  The data stream
141  				 * was stored from the previous XTDI.
142  				 */
143  #define MEM		0x19	/*
144  				 * The maximum memory needed to allocate in
145  				 * order hold one row of data.
146  				 */
147  #define WAIT		0x1A	/* The duration of delay to observe. */
148  #define TCK		0x1B	/* The number of TCK pulses. */
149  #define SHR		0x23	/*
150  				 * Set the flow control register for
151  				 * right shift
152  				 */
153  #define SHL		0x24	/*
154  				 * Set the flow control register for left shift.
155  				 */
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. */
160  #define SEC		0x1C	/*
161  				 * The delay time in seconds that must be
162  				 * observed.
163  				 */
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. */
170  
171  #define CRC		0x47	/*
172  				 * The following data stream is used for CRC
173  				 * calculation.
174  				 */
175  #define CMASK		0x48	/*
176  				 * The following data stream is used as mask
177  				 * for CRC calculation.
178  				 */
179  #define RMASK		0x49	/*
180  				 * The following data stream is used as mask
181  				 * for read and save.
182  				 */
183  #define READ		0x50	/*
184  				 * The following data stream is used for read
185  				 * and save.
186  				 */
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
192  				 * I/O.
193  				 */
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
202  				 * buffer
203  				 */
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. */
208  
209  /*
210   *
211   * ispVM Embedded Return Codes.
212   *
213   */
214  
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
221  
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
227  
228  /*
229   *
230   * Type definitions.
231   *
232   */
233  
234  /* Support LVDS */
235  typedef struct {
236  	unsigned short usPositiveIndex;
237  	unsigned short usNegativeIndex;
238  	unsigned char  ucUpdate;
239  } LVDSPair;
240  
241  typedef enum {
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 */
245  } Lattice_iface;
246  
247  typedef enum {
248  	min_lattice_type,
249  	Lattice_XP2,			/* Lattice XP2 Family */
250  	max_lattice_type		/* insert all new types before this */
251  } Lattice_Family;
252  
253  typedef struct {
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 */
262  
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);
269  
270  typedef struct {
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;
277  
278  void writePort(unsigned char pins, unsigned char value);
279  unsigned char readPort(void);
280  void sclock(void);
281  void ispVMDelay(unsigned short int a_usMicroSecondDelay);
282  void calibration(void);
283  
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);
287  
288  void ispVMStart(void);
289  void ispVMEnd(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);
297  void sclock(void);
298  #endif
299