]> git.kernelconcepts.de Git - karo-tx-uboot.git/commitdiff
Add Xilinx Spartan3 family FPGA support
authorWolfgang Denk <wd@pollux.(none)>
Sun, 25 Sep 2005 14:44:21 +0000 (16:44 +0200)
committerWolfgang Denk <wd@pollux.(none)>
Sun, 25 Sep 2005 14:44:21 +0000 (16:44 +0200)
Patch by Kurt Stremerch, 14 February 2005

CHANGELOG
common/Makefile
common/spartan3.c [new file with mode: 0644]
common/xilinx.c
include/spartan3.h [new file with mode: 0644]
include/xilinx.h

index 620a72c3ceae0efe1d8e3a3d2f35d6ecc8a7b5fc..9444f4d2627ef21e8484d283b333c9ead4afd159 100644 (file)
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,9 @@
 Changes for U-Boot 1.1.4:
 ======================================================================
 
+* Add Xilinx Spartan3 family FPGA support
+  Patch by Kurt Stremerch, 14 February 2005
+
 * Fix drivers/cfi_flash.c: use info->reset_cmd instead of FLASH_CMD_RESET
   Patch by Zachary Landau, 11 Feb 2005
 
index b5396ce59d73a22885efed3ba763dd06272d16ba..6366e0226a9810ab804ed140d62cf64a28d28a68 100644 (file)
@@ -49,7 +49,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o \
          flash.o fpga.o \
          hush.o kgdb.o lcd.o lists.o lynxkdi.o \
          memsize.o miiphybb.o miiphyutil.o \
-         s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o \
+         s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o spartan3.o \
          usb.o usb_kbd.o usb_storage.o \
          virtex2.o xilinx.o
 
diff --git a/common/spartan3.c b/common/spartan3.c
new file mode 100644 (file)
index 0000000..f9302e1
--- /dev/null
@@ -0,0 +1,658 @@
+/*
+ * (C) Copyright 2002
+ * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
+ *
+ * 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
+ *
+ */
+
+/*
+ * Configuration support for Xilinx Spartan3 devices.  Based
+ * on spartan2.c (Rich Ireland, rireland@enterasys.com).
+ */
+   
+#include <common.h>            /* core U-Boot definitions */
+#include <spartan3.h>          /* Spartan-II device family */
+
+#if (CONFIG_FPGA & (CFG_XILINX | CFG_SPARTAN3))
+
+/* Define FPGA_DEBUG to get debug printf's */
+#ifdef FPGA_DEBUG
+#define PRINTF(fmt,args...)    printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
+#undef CFG_FPGA_CHECK_BUSY
+#undef CFG_FPGA_PROG_FEEDBACK
+
+/* Note: The assumption is that we cannot possibly run fast enough to
+ * overrun the device (the Slave Parallel mode can free run at 50MHz).
+ * If there is a need to operate slower, define CONFIG_FPGA_DELAY in
+ * the board config file to slow things down.
+ */
+#ifndef CONFIG_FPGA_DELAY
+#define CONFIG_FPGA_DELAY()
+#endif
+
+#ifndef CFG_FPGA_WAIT
+#define CFG_FPGA_WAIT CFG_HZ/100       /* 10 ms */
+#endif
+
+static int Spartan3_sp_load( Xilinx_desc *desc, void *buf, size_t bsize );
+static int Spartan3_sp_dump( Xilinx_desc *desc, void *buf, size_t bsize );
+/* static int Spartan3_sp_info( Xilinx_desc *desc ); */
+static int Spartan3_sp_reloc( Xilinx_desc *desc, ulong reloc_offset );
+
+static int Spartan3_ss_load( Xilinx_desc *desc, void *buf, size_t bsize );
+static int Spartan3_ss_dump( Xilinx_desc *desc, void *buf, size_t bsize );
+/* static int Spartan3_ss_info( Xilinx_desc *desc ); */
+static int Spartan3_ss_reloc( Xilinx_desc *desc, ulong reloc_offset );
+
+/* ------------------------------------------------------------------------- */
+/* Spartan-II Generic Implementation */
+int Spartan3_load (Xilinx_desc * desc, void *buf, size_t bsize)
+{
+       int ret_val = FPGA_FAIL;
+
+       switch (desc->iface) {
+       case slave_serial:
+               PRINTF ("%s: Launching Slave Serial Load\n", __FUNCTION__);
+               ret_val = Spartan3_ss_load (desc, buf, bsize);
+               break;
+
+       case slave_parallel:
+               PRINTF ("%s: Launching Slave Parallel Load\n", __FUNCTION__);
+               ret_val = Spartan3_sp_load (desc, buf, bsize);
+               break;
+
+       default:
+               printf ("%s: Unsupported interface type, %d\n",
+                               __FUNCTION__, desc->iface);
+       }
+
+       return ret_val;
+}
+
+int Spartan3_dump (Xilinx_desc * desc, void *buf, size_t bsize)
+{
+       int ret_val = FPGA_FAIL;
+
+       switch (desc->iface) {
+       case slave_serial:
+               PRINTF ("%s: Launching Slave Serial Dump\n", __FUNCTION__);
+               ret_val = Spartan3_ss_dump (desc, buf, bsize);
+               break;
+
+       case slave_parallel:
+               PRINTF ("%s: Launching Slave Parallel Dump\n", __FUNCTION__);
+               ret_val = Spartan3_sp_dump (desc, buf, bsize);
+               break;
+
+       default:
+               printf ("%s: Unsupported interface type, %d\n",
+                               __FUNCTION__, desc->iface);
+       }
+
+       return ret_val;
+}
+
+int Spartan3_info( Xilinx_desc *desc )
+{
+       return FPGA_SUCCESS;
+}
+
+
+int Spartan3_reloc (Xilinx_desc * desc, ulong reloc_offset)
+{
+       int ret_val = FPGA_FAIL;        /* assume a failure */
+
+       if (desc->family != Xilinx_Spartan3) {
+               printf ("%s: Unsupported family type, %d\n",
+                               __FUNCTION__, desc->family);
+               return FPGA_FAIL;
+       } else
+               switch (desc->iface) {
+               case slave_serial:
+                       ret_val = Spartan3_ss_reloc (desc, reloc_offset);
+                       break;
+
+               case slave_parallel:
+                       ret_val = Spartan3_sp_reloc (desc, reloc_offset);
+                       break;
+
+               default:
+                       printf ("%s: Unsupported interface type, %d\n",
+                                       __FUNCTION__, desc->iface);
+               }
+
+       return ret_val;
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* Spartan-II Slave Parallel Generic Implementation */
+
+static int Spartan3_sp_load (Xilinx_desc * desc, void *buf, size_t bsize)
+{
+       int ret_val = FPGA_FAIL;        /* assume the worst */
+       Xilinx_Spartan3_Slave_Parallel_fns *fn = desc->iface_fns;
+
+       PRINTF ("%s: start with interface functions @ 0x%p\n",
+                       __FUNCTION__, fn);
+
+       if (fn) {
+               size_t bytecount = 0;
+               unsigned char *data = (unsigned char *) buf;
+               int cookie = desc->cookie;      /* make a local copy */
+               unsigned long ts;               /* timestamp */
+
+               PRINTF ("%s: Function Table:\n"
+                               "ptr:\t0x%p\n"
+                               "struct: 0x%p\n"
+                               "pre: 0x%p\n"
+                               "pgm:\t0x%p\n"
+                               "init:\t0x%p\n"
+                               "err:\t0x%p\n"
+                               "clk:\t0x%p\n"
+                               "cs:\t0x%p\n"
+                               "wr:\t0x%p\n"
+                               "read data:\t0x%p\n"
+                               "write data:\t0x%p\n"
+                               "busy:\t0x%p\n"
+                               "abort:\t0x%p\n",
+                               "post:\t0x%p\n\n",
+                               __FUNCTION__, &fn, fn, fn->pre, fn->pgm, fn->init, fn->err,
+                               fn->clk, fn->cs, fn->wr, fn->rdata, fn->wdata, fn->busy,
+                               fn->abort, fn->post);
+
+               /*
+                * This code is designed to emulate the "Express Style"
+                * Continuous Data Loading in Slave Parallel Mode for
+                * the Spartan-II Family.
+                */
+#ifdef CFG_FPGA_PROG_FEEDBACK
+               printf ("Loading FPGA Device %d...\n", cookie);
+#endif
+               /*
+                * Run the pre configuration function if there is one.
+                */
+               if (*fn->pre) {
+                       (*fn->pre) (cookie);
+               }
+
+               /* Establish the initial state */
+               (*fn->pgm) (TRUE, TRUE, cookie);        /* Assert the program, commit */
+
+               /* Get ready for the burn */
+               CONFIG_FPGA_DELAY ();
+               (*fn->pgm) (FALSE, TRUE, cookie);       /* Deassert the program, commit */
+
+               ts = get_timer (0);             /* get current time */
+               /* Now wait for INIT and BUSY to go high */
+               do {
+                       CONFIG_FPGA_DELAY ();
+                       if (get_timer (ts) > CFG_FPGA_WAIT) {   /* check the time */
+                               puts ("** Timeout waiting for INIT to clear.\n");
+                               (*fn->abort) (cookie);  /* abort the burn */
+                               return FPGA_FAIL;
+                       }
+               } while ((*fn->init) (cookie) && (*fn->busy) (cookie));
+
+               (*fn->wr) (TRUE, TRUE, cookie); /* Assert write, commit */
+               (*fn->cs) (TRUE, TRUE, cookie); /* Assert chip select, commit */
+               (*fn->clk) (TRUE, TRUE, cookie);        /* Assert the clock pin */
+
+               /* Load the data */
+               while (bytecount < bsize) {
+                       /* XXX - do we check for an Ctrl-C press in here ??? */
+                       /* XXX - Check the error bit? */
+
+                       (*fn->wdata) (data[bytecount++], TRUE, cookie); /* write the data */
+                       CONFIG_FPGA_DELAY ();
+                       (*fn->clk) (FALSE, TRUE, cookie);       /* Deassert the clock pin */
+                       CONFIG_FPGA_DELAY ();
+                       (*fn->clk) (TRUE, TRUE, cookie);        /* Assert the clock pin */
+
+#ifdef CFG_FPGA_CHECK_BUSY
+                       ts = get_timer (0);     /* get current time */
+                       while ((*fn->busy) (cookie)) {
+                               /* XXX - we should have a check in here somewhere to
+                                * make sure we aren't busy forever... */
+
+                               CONFIG_FPGA_DELAY ();
+                               (*fn->clk) (FALSE, TRUE, cookie);       /* Deassert the clock pin */
+                               CONFIG_FPGA_DELAY ();
+                               (*fn->clk) (TRUE, TRUE, cookie);        /* Assert the clock pin */
+
+                               if (get_timer (ts) > CFG_FPGA_WAIT) {   /* check the time */
+                                       puts ("** Timeout waiting for BUSY to clear.\n");
+                                       (*fn->abort) (cookie);  /* abort the burn */
+                                       return FPGA_FAIL;
+                               }
+                       }
+#endif
+
+#ifdef CFG_FPGA_PROG_FEEDBACK
+                       if (bytecount % (bsize / 40) == 0)
+                               putc ('.');             /* let them know we are alive */
+#endif
+               }
+
+               CONFIG_FPGA_DELAY ();
+               (*fn->cs) (FALSE, TRUE, cookie);        /* Deassert the chip select */
+               (*fn->wr) (FALSE, TRUE, cookie);        /* Deassert the write pin */
+
+#ifdef CFG_FPGA_PROG_FEEDBACK
+               putc ('\n');                    /* terminate the dotted line */
+#endif
+
+               /* now check for done signal */
+               ts = get_timer (0);             /* get current time */
+               ret_val = FPGA_SUCCESS;
+               while ((*fn->done) (cookie) == FPGA_FAIL) {
+                       /* XXX - we should have a check in here somewhere to
+                        * make sure we aren't busy forever... */
+
+                       CONFIG_FPGA_DELAY ();
+                       (*fn->clk) (FALSE, TRUE, cookie);       /* Deassert the clock pin */
+                       CONFIG_FPGA_DELAY ();
+                       (*fn->clk) (TRUE, TRUE, cookie);        /* Assert the clock pin */
+
+                       if (get_timer (ts) > CFG_FPGA_WAIT) {   /* check the time */
+                               puts ("** Timeout waiting for DONE to clear.\n");
+                               (*fn->abort) (cookie);  /* abort the burn */
+                               ret_val = FPGA_FAIL;
+                               break;
+                       }
+               }
+
+               if (ret_val == FPGA_SUCCESS) {
+#ifdef CFG_FPGA_PROG_FEEDBACK
+                       puts ("Done.\n");
+#endif
+               }
+               /*
+                * Run the post configuration function if there is one.
+                */
+               if (*fn->post) {
+                       (*fn->post) (cookie);
+               }
+
+               else {
+#ifdef CFG_FPGA_PROG_FEEDBACK
+                       puts ("Fail.\n");
+#endif
+               }
+
+       } else {
+               printf ("%s: NULL Interface function table!\n", __FUNCTION__);
+       }
+
+       return ret_val;
+}
+
+static int Spartan3_sp_dump (Xilinx_desc * desc, void *buf, size_t bsize)
+{
+       int ret_val = FPGA_FAIL;        /* assume the worst */
+       Xilinx_Spartan3_Slave_Parallel_fns *fn = desc->iface_fns;
+
+       if (fn) {
+               unsigned char *data = (unsigned char *) buf;
+               size_t bytecount = 0;
+               int cookie = desc->cookie;      /* make a local copy */
+
+               printf ("Starting Dump of FPGA Device %d...\n", cookie);
+
+               (*fn->cs) (TRUE, TRUE, cookie); /* Assert chip select, commit */
+               (*fn->clk) (TRUE, TRUE, cookie);        /* Assert the clock pin */
+
+               /* dump the data */
+               while (bytecount < bsize) {
+                       /* XXX - do we check for an Ctrl-C press in here ??? */
+
+                       (*fn->clk) (FALSE, TRUE, cookie);       /* Deassert the clock pin */
+                       (*fn->clk) (TRUE, TRUE, cookie);        /* Assert the clock pin */
+                       (*fn->rdata) (&(data[bytecount++]), cookie);    /* read the data */
+#ifdef CFG_FPGA_PROG_FEEDBACK
+                       if (bytecount % (bsize / 40) == 0)
+                               putc ('.');             /* let them know we are alive */
+#endif
+               }
+
+               (*fn->cs) (FALSE, FALSE, cookie);       /* Deassert the chip select */
+               (*fn->clk) (FALSE, TRUE, cookie);       /* Deassert the clock pin */
+               (*fn->clk) (TRUE, TRUE, cookie);        /* Assert the clock pin */
+
+#ifdef CFG_FPGA_PROG_FEEDBACK
+               putc ('\n');                    /* terminate the dotted line */
+#endif
+               puts ("Done.\n");
+
+               /* XXX - checksum the data? */
+       } else {
+               printf ("%s: NULL Interface function table!\n", __FUNCTION__);
+       }
+
+       return ret_val;
+}
+
+
+static int Spartan3_sp_reloc (Xilinx_desc * desc, ulong reloc_offset)
+{
+       int ret_val = FPGA_FAIL;        /* assume the worst */
+       Xilinx_Spartan3_Slave_Parallel_fns *fn_r, *fn =
+                       (Xilinx_Spartan3_Slave_Parallel_fns *) (desc->iface_fns);
+
+       if (fn) {
+               ulong addr;
+
+               /* Get the relocated table address */
+               addr = (ulong) fn + reloc_offset;
+               fn_r = (Xilinx_Spartan3_Slave_Parallel_fns *) addr;
+
+               if (!fn_r->relocated) {
+
+                       if (memcmp (fn_r, fn,
+                                               sizeof (Xilinx_Spartan3_Slave_Parallel_fns))
+                               == 0) {
+                               /* good copy of the table, fix the descriptor pointer */
+                               desc->iface_fns = fn_r;
+                       } else {
+                               PRINTF ("%s: Invalid function table at 0x%p\n",
+                                               __FUNCTION__, fn_r);
+                               return FPGA_FAIL;
+                       }
+
+                       PRINTF ("%s: Relocating descriptor at 0x%p\n", __FUNCTION__,
+                                       desc);
+
+                       addr = (ulong) (fn->pre) + reloc_offset;
+                       fn_r->pre = (Xilinx_pre_fn) addr;
+
+                       addr = (ulong) (fn->pgm) + reloc_offset;
+                       fn_r->pgm = (Xilinx_pgm_fn) addr;
+
+                       addr = (ulong) (fn->init) + reloc_offset;
+                       fn_r->init = (Xilinx_init_fn) addr;
+
+                       addr = (ulong) (fn->done) + reloc_offset;
+                       fn_r->done = (Xilinx_done_fn) addr;
+
+                       addr = (ulong) (fn->clk) + reloc_offset;
+                       fn_r->clk = (Xilinx_clk_fn) addr;
+
+                       addr = (ulong) (fn->err) + reloc_offset;
+                       fn_r->err = (Xilinx_err_fn) addr;
+
+                       addr = (ulong) (fn->cs) + reloc_offset;
+                       fn_r->cs = (Xilinx_cs_fn) addr;
+
+                       addr = (ulong) (fn->wr) + reloc_offset;
+                       fn_r->wr = (Xilinx_wr_fn) addr;
+
+                       addr = (ulong) (fn->rdata) + reloc_offset;
+                       fn_r->rdata = (Xilinx_rdata_fn) addr;
+
+                       addr = (ulong) (fn->wdata) + reloc_offset;
+                       fn_r->wdata = (Xilinx_wdata_fn) addr;
+
+                       addr = (ulong) (fn->busy) + reloc_offset;
+                       fn_r->busy = (Xilinx_busy_fn) addr;
+
+                       addr = (ulong) (fn->abort) + reloc_offset;
+                       fn_r->abort = (Xilinx_abort_fn) addr;
+
+                       addr = (ulong) (fn->post) + reloc_offset;
+                       fn_r->post = (Xilinx_post_fn) addr;
+
+                       fn_r->relocated = TRUE;
+
+               } else {
+                       /* this table has already been moved */
+                       /* XXX - should check to see if the descriptor is correct */
+                       desc->iface_fns = fn_r;
+               }
+
+               ret_val = FPGA_SUCCESS;
+       } else {
+               printf ("%s: NULL Interface function table!\n", __FUNCTION__);
+       }
+
+       return ret_val;
+
+}
+
+/* ------------------------------------------------------------------------- */
+
+static int Spartan3_ss_load (Xilinx_desc * desc, void *buf, size_t bsize)
+{
+       int ret_val = FPGA_FAIL;        /* assume the worst */
+       Xilinx_Spartan3_Slave_Serial_fns *fn = desc->iface_fns;
+       int i;
+       char  val;
+
+       PRINTF ("%s: start with interface functions @ 0x%p\n",
+                       __FUNCTION__, fn);
+
+       if (fn) {
+               size_t bytecount = 0;
+               unsigned char *data = (unsigned char *) buf;
+               int cookie = desc->cookie;      /* make a local copy */
+               unsigned long ts;               /* timestamp */
+
+               PRINTF ("%s: Function Table:\n"
+                               "ptr:\t0x%p\n"
+                               "struct: 0x%p\n"
+                               "pgm:\t0x%p\n"
+                               "init:\t0x%p\n"
+                               "clk:\t0x%p\n"
+                               "wr:\t0x%p\n"
+                               "done:\t0x%p\n\n",
+                               __FUNCTION__, &fn, fn, fn->pgm, fn->init,
+                               fn->clk, fn->wr, fn->done);
+#ifdef CFG_FPGA_PROG_FEEDBACK
+               printf ("Loading FPGA Device %d...\n", cookie);
+#endif
+
+               /*
+                * Run the pre configuration function if there is one.
+                */
+               if (*fn->pre) {
+                       (*fn->pre) (cookie);
+               }
+
+               /* Establish the initial state */
+               (*fn->pgm) (TRUE, TRUE, cookie);        /* Assert the program, commit */
+
+               /* Wait for INIT state (init low)                            */
+               ts = get_timer (0);             /* get current time */
+               do {
+                       CONFIG_FPGA_DELAY ();
+                       if (get_timer (ts) > CFG_FPGA_WAIT) {   /* check the time */
+                               puts ("** Timeout waiting for INIT to start.\n");
+                               return FPGA_FAIL;
+                       }
+               } while (!(*fn->init) (cookie));
+
+               /* Get ready for the burn */
+               CONFIG_FPGA_DELAY ();
+               (*fn->pgm) (FALSE, TRUE, cookie);       /* Deassert the program, commit */
+
+               ts = get_timer (0);             /* get current time */
+               /* Now wait for INIT to go high */
+               do {
+                       CONFIG_FPGA_DELAY ();
+                       if (get_timer (ts) > CFG_FPGA_WAIT) {   /* check the time */
+                               puts ("** Timeout waiting for INIT to clear.\n");
+                               return FPGA_FAIL;
+                       }
+               } while ((*fn->init) (cookie));
+
+               /* Load the data */
+               while (bytecount < bsize) {
+
+                       /* Xilinx detects an error if INIT goes low (active)
+                          while DONE is low (inactive) */
+                       if ((*fn->done) (cookie) == 0 && (*fn->init) (cookie)) {
+                               puts ("** CRC error during FPGA load.\n");
+                               return (FPGA_FAIL);
+                       }
+                       val = data [bytecount ++];
+                       i = 8;
+                       do {
+                               /* Deassert the clock */
+                               (*fn->clk) (FALSE, TRUE, cookie);
+                               CONFIG_FPGA_DELAY ();
+                               /* Write data */
+                               (*fn->wr) ((val < 0), TRUE, cookie);
+                               CONFIG_FPGA_DELAY ();
+                               /* Assert the clock */
+                               (*fn->clk) (TRUE, TRUE, cookie);
+                               CONFIG_FPGA_DELAY ();
+                               val <<= 1;
+                               i --;
+                       } while (i > 0);
+
+#ifdef CFG_FPGA_PROG_FEEDBACK
+                       if (bytecount % (bsize / 40) == 0)
+                               putc ('.');             /* let them know we are alive */
+#endif
+               }
+
+               CONFIG_FPGA_DELAY ();
+
+#ifdef CFG_FPGA_PROG_FEEDBACK
+               putc ('\n');                    /* terminate the dotted line */
+#endif
+
+               /* now check for done signal */
+               ts = get_timer (0);             /* get current time */
+               ret_val = FPGA_SUCCESS;
+               (*fn->wr) (TRUE, TRUE, cookie);
+
+               while (! (*fn->done) (cookie)) {
+                       /* XXX - we should have a check in here somewhere to
+                        * make sure we aren't busy forever... */
+
+                       CONFIG_FPGA_DELAY ();
+                       (*fn->clk) (FALSE, TRUE, cookie);       /* Deassert the clock pin */
+                       CONFIG_FPGA_DELAY ();
+                       (*fn->clk) (TRUE, TRUE, cookie);        /* Assert the clock pin */
+
+                       putc ('*');
+
+                       if (get_timer (ts) > CFG_FPGA_WAIT) {   /* check the time */
+                               puts ("** Timeout waiting for DONE to clear.\n");
+                               ret_val = FPGA_FAIL;
+                               break;
+                       }
+               }
+               putc ('\n');                    /* terminate the dotted line */
+
+#ifdef CFG_FPGA_PROG_FEEDBACK
+               if (ret_val == FPGA_SUCCESS) {
+                       puts ("Done.\n");
+               }
+               else {
+                       puts ("Fail.\n");
+               }
+#endif
+
+       } else {
+               printf ("%s: NULL Interface function table!\n", __FUNCTION__);
+       }
+
+       return ret_val;
+}
+
+static int Spartan3_ss_dump (Xilinx_desc * desc, void *buf, size_t bsize)
+{
+       /* Readback is only available through the Slave Parallel and         */
+       /* boundary-scan interfaces.                                         */
+       printf ("%s: Slave Serial Dumping is unavailable\n",
+                       __FUNCTION__);
+       return FPGA_FAIL;
+}
+
+static int Spartan3_ss_reloc (Xilinx_desc * desc, ulong reloc_offset)
+{
+       int ret_val = FPGA_FAIL;        /* assume the worst */
+       Xilinx_Spartan3_Slave_Serial_fns *fn_r, *fn =
+                       (Xilinx_Spartan3_Slave_Serial_fns *) (desc->iface_fns);
+
+       if (fn) {
+               ulong addr;
+
+               /* Get the relocated table address */
+               addr = (ulong) fn + reloc_offset;
+               fn_r = (Xilinx_Spartan3_Slave_Serial_fns *) addr;
+
+               if (!fn_r->relocated) {
+
+                       if (memcmp (fn_r, fn,
+                                               sizeof (Xilinx_Spartan3_Slave_Serial_fns))
+                               == 0) {
+                               /* good copy of the table, fix the descriptor pointer */
+                               desc->iface_fns = fn_r;
+                       } else {
+                               PRINTF ("%s: Invalid function table at 0x%p\n",
+                                               __FUNCTION__, fn_r);
+                               return FPGA_FAIL;
+                       }
+
+                       PRINTF ("%s: Relocating descriptor at 0x%p\n", __FUNCTION__,
+                                       desc);
+
+                       addr = (ulong) (fn->pre) + reloc_offset;
+                       fn_r->pre = (Xilinx_pre_fn) addr;
+
+                       addr = (ulong) (fn->pgm) + reloc_offset;
+                       fn_r->pgm = (Xilinx_pgm_fn) addr;
+
+                       addr = (ulong) (fn->init) + reloc_offset;
+                       fn_r->init = (Xilinx_init_fn) addr;
+
+                       addr = (ulong) (fn->done) + reloc_offset;
+                       fn_r->done = (Xilinx_done_fn) addr;
+
+                       addr = (ulong) (fn->clk) + reloc_offset;
+                       fn_r->clk = (Xilinx_clk_fn) addr;
+
+                       addr = (ulong) (fn->wr) + reloc_offset;
+                       fn_r->wr = (Xilinx_wr_fn) addr;
+
+                       fn_r->relocated = TRUE;
+
+               } else {
+                       /* this table has already been moved */
+                       /* XXX - should check to see if the descriptor is correct */
+                       desc->iface_fns = fn_r;
+               }
+
+               ret_val = FPGA_SUCCESS;
+       } else {
+               printf ("%s: NULL Interface function table!\n", __FUNCTION__);
+       }
+
+       return ret_val;
+
+}
+
+#endif
index b2e61692cb0d0a25e4f6f64f0ba9e2a2d02f089f..40ce3bcbbf008ea2a3a4efeda94cce76271b4900 100644 (file)
@@ -30,6 +30,7 @@
 #include <common.h>
 #include <virtex2.h>
 #include <spartan2.h>
+#include <spartan3.h>
 
 #if (CONFIG_FPGA & CFG_FPGA_XILINX)
 
@@ -65,6 +66,16 @@ int xilinx_load (Xilinx_desc * desc, void *buf, size_t bsize)
 #else
                        printf ("%s: No support for Spartan-II devices.\n",
                                        __FUNCTION__);
+#endif
+                       break;
+               case Xilinx_Spartan3:
+#if (CONFIG_FPGA & CFG_SPARTAN3)
+                       PRINTF ("%s: Launching the Spartan-III Loader...\n",
+                                       __FUNCTION__);
+                       ret_val = Spartan3_load (desc, buf, bsize);
+#else
+                       printf ("%s: No support for Spartan-III devices.\n",
+                                       __FUNCTION__);
 #endif
                        break;
                case Xilinx_Virtex2:
@@ -102,6 +113,16 @@ int xilinx_dump (Xilinx_desc * desc, void *buf, size_t bsize)
 #else
                        printf ("%s: No support for Spartan-II devices.\n",
                                        __FUNCTION__);
+#endif
+                       break;
+               case Xilinx_Spartan3:
+#if (CONFIG_FPGA & CFG_SPARTAN3)
+                       PRINTF ("%s: Launching the Spartan-III Reader...\n",
+                                       __FUNCTION__);
+                       ret_val = Spartan3_dump (desc, buf, bsize);
+#else
+                       printf ("%s: No support for Spartan-III devices.\n",
+                                       __FUNCTION__);
 #endif
                        break;
                case Xilinx_Virtex2:
@@ -133,6 +154,9 @@ int xilinx_info (Xilinx_desc * desc)
                case Xilinx_Spartan2:
                        printf ("Spartan-II\n");
                        break;
+               case Xilinx_Spartan3:
+                       printf ("Spartan-III\n");
+                       break;
                case Xilinx_Virtex2:
                        printf ("Virtex-II\n");
                        break;
@@ -180,6 +204,15 @@ int xilinx_info (Xilinx_desc * desc)
                                /* just in case */
                                printf ("%s: No support for Spartan-II devices.\n",
                                                __FUNCTION__);
+#endif
+                               break;
+                       case Xilinx_Spartan3:
+#if (CONFIG_FPGA & CFG_SPARTAN3)
+                               Spartan3_info (desc);
+#else
+                               /* just in case */
+                               printf ("%s: No support for Spartan-III devices.\n",
+                                               __FUNCTION__);
 #endif
                                break;
                        case Xilinx_Virtex2:
@@ -221,6 +254,14 @@ int xilinx_reloc (Xilinx_desc * desc, ulong reloc_offset)
 #else
                        printf ("%s: No support for Spartan-II devices.\n",
                                        __FUNCTION__);
+#endif
+                       break;
+               case Xilinx_Spartan3:
+#if (CONFIG_FPGA & CFG_SPARTAN3)
+                       ret_val = Spartan3_reloc (desc, reloc_offset);
+#else
+                       printf ("%s: No support for Spartan-III devices.\n",
+                                       __FUNCTION__);
 #endif
                        break;
                case Xilinx_Virtex2:
diff --git a/include/spartan3.h b/include/spartan3.h
new file mode 100644 (file)
index 0000000..b14db03
--- /dev/null
@@ -0,0 +1,103 @@
+/*
+ * (C) Copyright 2002
+ * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
+ *
+ * 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 _SPARTAN3_H_
+#define _SPARTAN3_H_
+
+#include <xilinx.h>
+
+extern int Spartan3_load( Xilinx_desc *desc, void *image, size_t size );
+extern int Spartan3_dump( Xilinx_desc *desc, void *buf, size_t bsize );
+extern int Spartan3_info( Xilinx_desc *desc );
+extern int Spartan3_reloc( Xilinx_desc *desc, ulong reloc_off );
+
+/* Slave Parallel Implementation function table */
+typedef struct {
+       Xilinx_pre_fn   pre;
+       Xilinx_pgm_fn   pgm;
+       Xilinx_init_fn  init;
+       Xilinx_err_fn   err;
+       Xilinx_done_fn  done;
+       Xilinx_clk_fn   clk;
+       Xilinx_cs_fn    cs;
+       Xilinx_wr_fn    wr;
+       Xilinx_rdata_fn rdata;
+       Xilinx_wdata_fn wdata;
+       Xilinx_busy_fn  busy;
+       Xilinx_abort_fn abort;
+       Xilinx_post_fn  post;
+       int             relocated;
+} Xilinx_Spartan3_Slave_Parallel_fns;
+
+/* Slave Serial Implementation function table */
+typedef struct {
+       Xilinx_pre_fn   pre;
+       Xilinx_pgm_fn   pgm;
+       Xilinx_clk_fn   clk;
+       Xilinx_init_fn  init;
+       Xilinx_done_fn  done;
+       Xilinx_wr_fn    wr;
+       int             relocated;
+} Xilinx_Spartan3_Slave_Serial_fns;
+
+/* Device Image Sizes
+ *********************************************************************/
+/* Spartan-III (1.2V) */
+#define XILINX_XC3S50_SIZE     439264/8
+#define XILINX_XC3S200_SIZE    1047616/8
+#define XILINX_XC3S400_SIZE    1699136/8
+#define XILINX_XC3S1000_SIZE   3223488/8
+#define XILINX_XC3S1500_SIZE   5214784/8
+#define XILINX_XC3S2000_SIZE   7673024/8
+#define XILINX_XC3S4000_SIZE   11316864/8
+#define XILINX_XC3S5000_SIZE   13271936/8
+
+/* Descriptor Macros
+ *********************************************************************/
+/* Spartan-II devices */
+#define XILINX_XC3S50_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S50_SIZE, fn_table, cookie }
+
+#define XILINX_XC3S200_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S200_SIZE, fn_table, cookie }
+
+#define XILINX_XC3S400_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S400_SIZE, fn_table, cookie }
+
+#define XILINX_XC3S1000_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S1000_SIZE, fn_table, cookie }
+
+#define XILINX_XC3S1500_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S1500_SIZE, fn_table, cookie }
+
+#define XILINX_XC3S2000_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S2000E_SIZE, fn_table, cookie }
+
+#define XILINX_XC3S4000_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S4000E_SIZE, fn_table, cookie }
+
+#define XILINX_XC3S5000_DESC(iface, fn_table, cookie) \
+{ Xilinx_Spartan3, iface, XILINX_XC3S5000E_SIZE, fn_table, cookie }
+
+#endif /* _SPARTAN3_H_ */
index b87cfe2edb917039596f3aef845e3adb4606c90b..3704e1d938dc70a1a5e4169b20343f1c2a81f596 100644 (file)
 #define CFG_SPARTAN2                   CFG_FPGA_DEV( 0x1 )
 #define CFG_VIRTEX_E                   CFG_FPGA_DEV( 0x2 )
 #define CFG_VIRTEX2                            CFG_FPGA_DEV( 0x4 )
+#define CFG_SPARTAN3                   CFG_FPGA_DEV( 0x8 )
 #define CFG_XILINX_SPARTAN2    (CFG_FPGA_XILINX | CFG_SPARTAN2)
 #define CFG_XILINX_VIRTEX_E    (CFG_FPGA_XILINX | CFG_VIRTEX_E)
 #define CFG_XILINX_VIRTEX2             (CFG_FPGA_XILINX | CFG_VIRTEX2)
+#define CFG_XILINX_SPARTAN3    (CFG_FPGA_XILINX | CFG_SPARTAN3)
 /* XXX - Add new models here */
 
 
@@ -65,6 +67,7 @@ typedef enum {                                        /* typedef Xilinx_Family */
     Xilinx_Spartan2,                   /* Spartan-II Family */
     Xilinx_VirtexE,                            /* Virtex-E Family */
     Xilinx_Virtex2,                            /* Virtex2 Family */
+    Xilinx_Spartan3,                           /* Spartan-III Family */
     max_xilinx_type                            /* insert all new types before this */
 } Xilinx_Family;                               /* end, typedef Xilinx_Family */