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-rw-r--r--include/fpga.h1
-rwxr-xr-xinclude/lattice.h319
2 files changed, 320 insertions, 0 deletions
diff --git a/include/fpga.h b/include/fpga.h
index 84d7b9fc1..ac24f2b27 100644
--- a/include/fpga.h
+++ b/include/fpga.h
@@ -61,6 +61,7 @@ typedef enum { /* typedef fpga_type */
fpga_min_type, /* range check value */
fpga_xilinx, /* Xilinx Family) */
fpga_altera, /* unimplemented */
+ fpga_lattice, /* Lattice family */
fpga_undefined /* invalid range check value */
} fpga_type; /* end, typedef fpga_type */
diff --git a/include/lattice.h b/include/lattice.h
new file mode 100755
index 000000000..33d2ac3df
--- /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
+