FPGA: move fpga drivers to drivers/fpga

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 307 insertions, 0 deletions

diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c
new file mode 100644
index 0000000..7b5e8c5
--- /dev/null
+++ b/drivers/fpga/xilinx.c
@@ -0,0 +1,307 @@
+/*
+ * (C) Copyright 2002
+ * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
+ * Keith Outwater, keith_outwater@mvis.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
+ *
+ */
+
+/*
+ *  Xilinx FPGA support
+ */
+
+#include <common.h>
+#include <virtex2.h>
+#include <spartan2.h>
+#include <spartan3.h>
+
+#if 0
+#define FPGA_DEBUG
+#endif
+
+/* Define FPGA_DEBUG to get debug printf's */
+#ifdef	FPGA_DEBUG
+#define	PRINTF(fmt,args...)	printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
+/* Local Static Functions */
+static int xilinx_validate (Xilinx_desc * desc, char *fn);
+
+/* ------------------------------------------------------------------------- */
+
+int xilinx_load (Xilinx_desc * desc, void *buf, size_t bsize)
+{
+	int ret_val = FPGA_FAIL;	/* assume a failure */
+
+	if (!xilinx_validate (desc, (char *)__FUNCTION__)) {
+		printf ("%s: Invalid device descriptor\n", __FUNCTION__);
+	} else
+		switch (desc->family) {
+		case Xilinx_Spartan2:
+#if defined(CONFIG_FPGA_SPARTAN2)
+			PRINTF ("%s: Launching the Spartan-II Loader...\n",
+					__FUNCTION__);
+			ret_val = Spartan2_load (desc, buf, bsize);
+#else
+			printf ("%s: No support for Spartan-II devices.\n",
+					__FUNCTION__);
+#endif
+			break;
+		case Xilinx_Spartan3:
+#if defined(CONFIG_FPGA_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:
+#if defined(CONFIG_FPGA_VIRTEX2)
+			PRINTF ("%s: Launching the Virtex-II Loader...\n",
+					__FUNCTION__);
+			ret_val = Virtex2_load (desc, buf, bsize);
+#else
+			printf ("%s: No support for Virtex-II devices.\n",
+					__FUNCTION__);
+#endif
+			break;
+
+		default:
+			printf ("%s: Unsupported family type, %d\n",
+					__FUNCTION__, desc->family);
+		}
+
+	return ret_val;
+}
+
+int xilinx_dump (Xilinx_desc * desc, void *buf, size_t bsize)
+{
+	int ret_val = FPGA_FAIL;	/* assume a failure */
+
+	if (!xilinx_validate (desc, (char *)__FUNCTION__)) {
+		printf ("%s: Invalid device descriptor\n", __FUNCTION__);
+	} else
+		switch (desc->family) {
+		case Xilinx_Spartan2:
+#if defined(CONFIG_FPGA_SPARTAN2)
+			PRINTF ("%s: Launching the Spartan-II Reader...\n",
+					__FUNCTION__);
+			ret_val = Spartan2_dump (desc, buf, bsize);
+#else
+			printf ("%s: No support for Spartan-II devices.\n",
+					__FUNCTION__);
+#endif
+			break;
+		case Xilinx_Spartan3:
+#if defined(CONFIG_FPGA_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:
+#if defined( CONFIG_FPGA_VIRTEX2)
+			PRINTF ("%s: Launching the Virtex-II Reader...\n",
+					__FUNCTION__);
+			ret_val = Virtex2_dump (desc, buf, bsize);
+#else
+			printf ("%s: No support for Virtex-II devices.\n",
+					__FUNCTION__);
+#endif
+			break;
+
+		default:
+			printf ("%s: Unsupported family type, %d\n",
+					__FUNCTION__, desc->family);
+		}
+
+	return ret_val;
+}
+
+int xilinx_info (Xilinx_desc * desc)
+{
+	int ret_val = FPGA_FAIL;
+
+	if (xilinx_validate (desc, (char *)__FUNCTION__)) {
+		printf ("Family:        \t");
+		switch (desc->family) {
+		case Xilinx_Spartan2:
+			printf ("Spartan-II\n");
+			break;
+		case Xilinx_Spartan3:
+			printf ("Spartan-III\n");
+			break;
+		case Xilinx_Virtex2:
+			printf ("Virtex-II\n");
+			break;
+			/* Add new family types here */
+		default:
+			printf ("Unknown family type, %d\n", desc->family);
+		}
+
+		printf ("Interface type:\t");
+		switch (desc->iface) {
+		case slave_serial:
+			printf ("Slave Serial\n");
+			break;
+		case master_serial:	/* Not used */
+			printf ("Master Serial\n");
+			break;
+		case slave_parallel:
+			printf ("Slave Parallel\n");
+			break;
+		case jtag_mode:		/* Not used */
+			printf ("JTAG Mode\n");
+			break;
+		case slave_selectmap:
+			printf ("Slave SelectMap Mode\n");
+			break;
+		case master_selectmap:
+			printf ("Master SelectMap Mode\n");
+			break;
+			/* Add new interface types here */
+		default:
+			printf ("Unsupported interface type, %d\n", desc->iface);
+		}
+
+		printf ("Device Size:   \t%d bytes\n"
+				"Cookie:        \t0x%x (%d)\n",
+				desc->size, desc->cookie, desc->cookie);
+
+		if (desc->iface_fns) {
+			printf ("Device Function Table @ 0x%p\n", desc->iface_fns);
+			switch (desc->family) {
+			case Xilinx_Spartan2:
+#if defined(CONFIG_FPGA_SPARTAN2)
+				Spartan2_info (desc);
+#else
+				/* just in case */
+				printf ("%s: No support for Spartan-II devices.\n",
+						__FUNCTION__);
+#endif
+				break;
+			case Xilinx_Spartan3:
+#if defined(CONFIG_FPGA_SPARTAN3)
+				Spartan3_info (desc);
+#else
+				/* just in case */
+				printf ("%s: No support for Spartan-III devices.\n",
+						__FUNCTION__);
+#endif
+				break;
+			case Xilinx_Virtex2:
+#if defined(CONFIG_FPGA_VIRTEX2)
+				Virtex2_info (desc);
+#else
+				/* just in case */
+				printf ("%s: No support for Virtex-II devices.\n",
+						__FUNCTION__);
+#endif
+				break;
+				/* Add new family types here */
+			default:
+				/* we don't need a message here - we give one up above */
+				;
+			}
+		} else
+			printf ("No Device Function Table.\n");
+
+		ret_val = FPGA_SUCCESS;
+	} else {
+		printf ("%s: Invalid device descriptor\n", __FUNCTION__);
+	}
+
+	return ret_val;
+}
+
+int xilinx_reloc (Xilinx_desc * desc, ulong reloc_offset)
+{
+	int ret_val = FPGA_FAIL;	/* assume a failure */
+
+	if (!xilinx_validate (desc, (char *)__FUNCTION__)) {
+		printf ("%s: Invalid device descriptor\n", __FUNCTION__);
+	} else
+		switch (desc->family) {
+		case Xilinx_Spartan2:
+#if defined(CONFIG_FPGA_SPARTAN2)
+			ret_val = Spartan2_reloc (desc, reloc_offset);
+#else
+			printf ("%s: No support for Spartan-II devices.\n",
+					__FUNCTION__);
+#endif
+			break;
+		case Xilinx_Spartan3:
+#if defined(CONFIG_FPGA_SPARTAN3)
+			ret_val = Spartan3_reloc (desc, reloc_offset);
+#else
+			printf ("%s: No support for Spartan-III devices.\n",
+					__FUNCTION__);
+#endif
+			break;
+		case Xilinx_Virtex2:
+#if defined(CONFIG_FPGA_VIRTEX2)
+			ret_val = Virtex2_reloc (desc, reloc_offset);
+#else
+			printf ("%s: No support for Virtex-II devices.\n",
+					__FUNCTION__);
+#endif
+			break;
+			/* Add new family types here */
+		default:
+			printf ("%s: Unsupported family type, %d\n",
+					__FUNCTION__, desc->family);
+		}
+
+	return ret_val;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+static int xilinx_validate (Xilinx_desc * desc, char *fn)
+{
+	int ret_val = FALSE;
+
+	if (desc) {
+		if ((desc->family > min_xilinx_type) &&
+			(desc->family < max_xilinx_type)) {
+			if ((desc->iface > min_xilinx_iface_type) &&
+				(desc->iface < max_xilinx_iface_type)) {
+				if (desc->size) {
+					ret_val = TRUE;
+				} else
+					printf ("%s: NULL part size\n", fn);
+			} else
+				printf ("%s: Invalid Interface type, %d\n",
+						fn, desc->iface);
+		} else
+			printf ("%s: Invalid family type, %d\n", fn, desc->family);
+	} else
+		printf ("%s: NULL descriptor!\n", fn);
+
+	return ret_val;
+}