1 files changed, 319 insertions, 0 deletions
diff --git a/include/lattice.h b/include/lattice.h
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--- /dev/null
+++ b/include/lattice.h
@@ -0,0 +1,319 @@
+/*
+ * Porting to U-Boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * Lattice's ispVME Embedded Tool to load Lattice's FPGA:
+ *
+ * Lattice Semiconductor Corp. Copyright 2009
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifndef _VME_OPCODE_H
+#define _VME_OPCODE_H
+
+#define VME_VERSION_NUMBER "12.1"
+
+/* Maximum declarations. */
+
+#define VMEHEXMAX	60000L	/* The hex file is split 60K per file. */
+#define SCANMAX		64000L	/* The maximum SDR/SIR burst. */
+
+/*
+ *
+ * Supported JTAG state transitions.
+ *
+ */
+
+#define RESET		0x00
+#define IDLE		0x01
+#define IRPAUSE		0x02
+#define DRPAUSE		0x03
+#define SHIFTIR		0x04
+#define SHIFTDR		0x05
+/* 11/15/05 Nguyen changed to support DRCAPTURE*/
+#define DRCAPTURE	0x06
+
+/*
+ * Flow control register bit definitions.  A set bit indicates
+ * that the register currently exhibits the corresponding mode.
+ */
+
+#define INTEL_PRGM	0x0001	/* Intelligent programming is in effect. */
+#define CASCADE		0x0002	/* Currently splitting large SDR. */
+#define REPEATLOOP	0x0008	/* Currently executing a repeat loop. */
+#define SHIFTRIGHT	0x0080	/* The next data stream needs a right shift. */
+#define SHIFTLEFT	0x0100	/* The next data stream needs a left shift. */
+#define VERIFYUES	0x0200	/* Continue if fail is in effect. */
+
+/*
+ * DataType register bit definitions.  A set bit indicates
+ * that the register currently holds the corresponding type of data.
+ */
+
+#define EXPRESS		0x0001    /* Simultaneous program and verify. */
+#define SIR_DATA	0x0002    /* SIR is the active SVF command. */
+#define SDR_DATA	0x0004    /* SDR is the active SVF command. */
+#define COMPRESS	0x0008    /* Data is compressed. */
+#define TDI_DATA	0x0010    /* TDI data is present. */
+#define TDO_DATA	0x0020    /* TDO data is present. */
+#define MASK_DATA	0x0040    /* MASK data is present. */
+#define HEAP_IN		0x0080    /* Data is from the heap. */
+#define LHEAP_IN	0x0200    /* Data is from intel data buffer. */
+#define VARIABLE	0x0400    /* Data is from a declared variable. */
+#define CRC_DATA	0x0800	 /* CRC data is pressent. */
+#define CMASK_DATA	0x1000    /* CMASK data is pressent. */
+#define RMASK_DATA	0x2000	 /* RMASK data is pressent. */
+#define READ_DATA	0x4000    /* READ data is pressent. */
+#define DMASK_DATA	0x8000	 /* DMASK data is pressent. */
+
+/*
+ *
+ * Pin opcodes.
+ *
+ */
+
+#define signalENABLE	0x1C    /* ispENABLE pin. */
+#define signalTMS	0x1D    /* TMS pin. */
+#define signalTCK	0x1E    /* TCK pin. */
+#define signalTDI	0x1F    /* TDI pin. */
+#define signalTRST	0x20    /* TRST pin. */
+
+/*
+ *
+ * Supported vendors.
+ *
+ */
+
+#define VENDOR		0x56
+#define LATTICE		0x01
+#define ALTERA		0x02
+#define XILINX		0x03
+
+/*
+ * Opcode definitions.
+ *
+ * Note: opcodes must be unique.
+ */
+
+#define ENDDATA		0x00	/* The end of the current SDR data stream. */
+#define RUNTEST		0x01	/* The duration to stay at the stable state. */
+#define ENDDR		0x02	/* The stable state after SDR. */
+#define ENDIR		0x03	/* The stable state after SIR. */
+#define ENDSTATE	0x04	/* The stable state after RUNTEST. */
+#define TRST		0x05	/* Assert the TRST pin. */
+#define HIR		0x06	/*
+				 * The sum of the IR bits of the
+				 * leading devices.
+				 */
+#define TIR		0x07	/*
+				 * The sum of the IR bits of the trailing
+				 * devices.
+				 */
+#define HDR		0x08	/* The number of leading devices. */
+#define TDR		0x09	/* The number of trailing devices. */
+#define ispEN		0x0A	/* Assert the ispEN pin. */
+#define FREQUENCY	0x0B	/*
+				 * The maximum clock rate to run the JTAG state
+				 * machine.
+				 */
+#define STATE		0x10	/* Move to the next stable state. */
+#define SIR		0x11	/* The instruction stream follows. */
+#define SDR		0x12	/* The data stream follows. */
+#define TDI		0x13	/* The following data stream feeds into
+					the device. */
+#define TDO		0x14	/*
+				 * The following data stream is compared against
+				 * the device.
+				 */
+#define MASK		0x15	/* The following data stream is used as mask. */
+#define XSDR		0x16	/*
+				 * The following data stream is for simultaneous
+				 * program and verify.
+				 */
+#define XTDI		0x17	/* The following data stream is for shift in
+				 * only. It must be stored for the next
+				 * XSDR.
+				 */
+#define XTDO		0x18	/*
+				 * There is not data stream.  The data stream
+				 * was stored from the previous XTDI.
+				 */
+#define MEM		0x19	/*
+				 * The maximum memory needed to allocate in
+				 * order hold one row of data.
+				 */
+#define WAIT		0x1A	/* The duration of delay to observe. */
+#define TCK		0x1B	/* The number of TCK pulses. */
+#define SHR		0x23	/*
+				 * Set the flow control register for
+				 * right shift
+				 */
+#define SHL		0x24	/*
+				 * Set the flow control register for left shift.
+				 */
+#define HEAP		0x32	/* The memory size needed to hold one loop. */
+#define REPEAT		0x33	/* The beginning of the loop. */
+#define LEFTPAREN	0x35	/* The beginning of data following the loop. */
+#define VAR		0x55	/* Plac holder for loop data. */
+#define SEC		0x1C	/*
+				 * The delay time in seconds that must be
+				 * observed.
+				 */
+#define SMASK		0x1D	/* The mask for TDI data. */
+#define MAX_WAIT	0x1E	/* The absolute maximum wait time. */
+#define ON		0x1F	/* Assert the targeted pin. */
+#define OFF		0x20	/* Dis-assert the targeted pin. */
+#define SETFLOW		0x30	/* Change the flow control register. */
+#define RESETFLOW	0x31	/* Clear the flow control register. */
+
+#define CRC		0x47	/*
+				 * The following data stream is used for CRC
+				 * calculation.
+				 */
+#define CMASK		0x48	/*
+				 * The following data stream is used as mask
+				 * for CRC calculation.
+				 */
+#define RMASK		0x49	/*
+				 * The following data stream is used as mask
+				 * for read and save.
+				 */
+#define READ		0x50	/*
+				 * The following data stream is used for read
+				 * and save.
+				 */
+#define ENDLOOP		0x59	/* The end of the repeat loop. */
+#define SECUREHEAP	0x60	/* Used to secure the HEAP opcode. */
+#define VUES		0x61	/* Support continue if fail. */
+#define DMASK		0x62	/*
+				 * The following data stream is used for dynamic
+				 * I/O.
+				 */
+#define COMMENT		0x63	/* Support SVF comments in the VME file. */
+#define HEADER		0x64	/* Support header in VME file. */
+#define FILE_CRC	0x65	/* Support crc-protected VME file. */
+#define LCOUNT		0x66	/* Support intelligent programming. */
+#define LDELAY		0x67	/* Support intelligent programming. */
+#define LSDR		0x68	/* Support intelligent programming. */
+#define LHEAP		0x69	/*
+				 * Memory needed to hold intelligent data
+				 * buffer
+				 */
+#define CONTINUE	0x70	/* Allow continuation. */
+#define LVDS		0x71	/* Support LVDS. */
+#define ENDVME		0x7F	/* End of the VME file. */
+#define ENDFILE		0xFF	/* End of file. */
+
+/*
+ *
+ * ispVM Embedded Return Codes.
+ *
+ */
+
+#define VME_VERIFICATION_FAILURE	-1
+#define VME_FILE_READ_FAILURE		-2
+#define VME_VERSION_FAILURE		-3
+#define VME_INVALID_FILE		-4
+#define VME_ARGUMENT_FAILURE		-5
+#define VME_CRC_FAILURE			-6
+
+#define g_ucPinTDI	0x01
+#define g_ucPinTCK	0x02
+#define g_ucPinTMS	0x04
+#define g_ucPinENABLE	0x08
+#define g_ucPinTRST	0x10
+
+/*
+ *
+ * Type definitions.
+ *
+ */
+
+/* Support LVDS */
+typedef struct {
+	unsigned short usPositiveIndex;
+	unsigned short usNegativeIndex;
+	unsigned char  ucUpdate;
+} LVDSPair;
+
+typedef enum {
+	min_lattice_iface_type,		/* insert all new types after this */
+	lattice_jtag_mode,		/* jtag/tap  */
+	max_lattice_iface_type		/* insert all new types before this */
+} Lattice_iface;
+
+typedef enum {
+	min_lattice_type,
+	Lattice_XP2,			/* Lattice XP2 Family */
+	max_lattice_type		/* insert all new types before this */
+} Lattice_Family;
+
+typedef struct {
+	Lattice_Family	family;	/* part type */
+	Lattice_iface	iface;	/* interface type */
+	size_t		size;	/* bytes of data part can accept */
+	void		*iface_fns; /* interface function table */
+	void		*base;	/* base interface address */
+	int		cookie;	/* implementation specific cookie */
+	char		*desc;	/* description string */
+} Lattice_desc;			/* end, typedef Altera_desc */
+
+/* Lattice Model Type */
+#define CONFIG_SYS_XP2		CONFIG_SYS_FPGA_DEV(0x1)
+
+/* Board specific implementation specific function types */
+typedef void (*Lattice_jtag_init)(void);
+typedef void (*Lattice_jtag_set_tdi)(int v);
+typedef void (*Lattice_jtag_set_tms)(int v);
+typedef void (*Lattice_jtag_set_tck)(int v);
+typedef int (*Lattice_jtag_get_tdo)(void);
+
+typedef struct {
+	Lattice_jtag_init	jtag_init;
+	Lattice_jtag_set_tdi	jtag_set_tdi;
+	Lattice_jtag_set_tms	jtag_set_tms;
+	Lattice_jtag_set_tck	jtag_set_tck;
+	Lattice_jtag_get_tdo	jtag_get_tdo;
+} lattice_board_specific_func;
+
+void writePort(unsigned char pins, unsigned char value);
+unsigned char readPort(void);
+void sclock(void);
+void ispVMDelay(unsigned short int a_usMicroSecondDelay);
+void calibration(void);
+
+int lattice_load(Lattice_desc *desc, void *buf, size_t bsize);
+int lattice_dump(Lattice_desc *desc, void *buf, size_t bsize);
+int lattice_info(Lattice_desc *desc);
+
+void ispVMStart(void);
+void ispVMEnd(void);
+signed char ispVMCode(void);
+void ispVMDelay(unsigned short int a_usMicroSecondDelay);
+void ispVMCalculateCRC32(unsigned char a_ucData);
+unsigned char GetByte(void);
+void writePort(unsigned char pins, unsigned char value);
+unsigned char readPort(void);
+void sclock(void);
+#endif
+