--- /dev/null
+/*
+ * (C) Copyright 2012-2013, Xilinx, Michal Simek
+ *
+ * (C) Copyright 2002
+ * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
+ * Keith Outwater, keith_outwater@mvis.com
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * Xilinx FPGA support
+ */
+
+#include <common.h>
+#include <fpga.h>
+#include <virtex2.h>
+#include <spartan2.h>
+#include <spartan3.h>
+#include <zynqpl.h>
+
+/* Local Static Functions */
+static int xilinx_validate(xilinx_desc *desc, char *fn);
+
+/* ------------------------------------------------------------------------- */
+
+int fpga_loadbitstream(int devnum, char *fpgadata, size_t size)
+{
+ unsigned int length;
+ unsigned int swapsize;
+ char buffer[80];
+ unsigned char *dataptr;
+ unsigned int i;
+ const fpga_desc *desc;
+ xilinx_desc *xdesc;
+
+ dataptr = (unsigned char *)fpgadata;
+ /* Find out fpga_description */
+ desc = fpga_validate(devnum, dataptr, 0, (char *)__func__);
+ /* Assign xilinx device description */
+ xdesc = desc->devdesc;
+
+ /* skip the first bytes of the bitsteam, their meaning is unknown */
+ length = (*dataptr << 8) + *(dataptr + 1);
+ dataptr += 2;
+ dataptr += length;
+
+ /* get design name (identifier, length, string) */
+ length = (*dataptr << 8) + *(dataptr + 1);
+ dataptr += 2;
+ if (*dataptr++ != 0x61) {
+ debug("%s: Design name id not recognized in bitstream\n",
+ __func__);
+ return FPGA_FAIL;
+ }
+
+ length = (*dataptr << 8) + *(dataptr + 1);
+ dataptr += 2;
+ for (i = 0; i < length; i++)
+ buffer[i] = *dataptr++;
+
+ printf(" design filename = \"%s\"\n", buffer);
+
+ /* get part number (identifier, length, string) */
+ if (*dataptr++ != 0x62) {
+ printf("%s: Part number id not recognized in bitstream\n",
+ __func__);
+ return FPGA_FAIL;
+ }
+
+ length = (*dataptr << 8) + *(dataptr + 1);
+ dataptr += 2;
+ for (i = 0; i < length; i++)
+ buffer[i] = *dataptr++;
+
+ if (xdesc->name) {
+ i = strncmp(buffer, xdesc->name, strlen(xdesc->name));
+ if (i) {
+ printf("%s: Wrong bitstream ID for this device\n",
+ __func__);
+ printf("%s: Bitstream ID %s, current device ID %d/%s\n",
+ __func__, buffer, devnum, xdesc->name);
+ return FPGA_FAIL;
+ }
+ } else {
+ printf("%s: Please fill correct device ID to xilinx_desc\n",
+ __func__);
+ }
+ printf(" part number = \"%s\"\n", buffer);
+
+ /* get date (identifier, length, string) */
+ if (*dataptr++ != 0x63) {
+ printf("%s: Date identifier not recognized in bitstream\n",
+ __func__);
+ return FPGA_FAIL;
+ }
+
+ length = (*dataptr << 8) + *(dataptr+1);
+ dataptr += 2;
+ for (i = 0; i < length; i++)
+ buffer[i] = *dataptr++;
+ printf(" date = \"%s\"\n", buffer);
+
+ /* get time (identifier, length, string) */
+ if (*dataptr++ != 0x64) {
+ printf("%s: Time identifier not recognized in bitstream\n",
+ __func__);
+ return FPGA_FAIL;
+ }
+
+ length = (*dataptr << 8) + *(dataptr+1);
+ dataptr += 2;
+ for (i = 0; i < length; i++)
+ buffer[i] = *dataptr++;
+ printf(" time = \"%s\"\n", buffer);
+
+ /* get fpga data length (identifier, length) */
+ if (*dataptr++ != 0x65) {
+ printf("%s: Data length id not recognized in bitstream\n",
+ __func__);
+ return FPGA_FAIL;
+ }
+ swapsize = ((unsigned int) *dataptr << 24) +
+ ((unsigned int) *(dataptr + 1) << 16) +
+ ((unsigned int) *(dataptr + 2) << 8) +
+ ((unsigned int) *(dataptr + 3));
+ dataptr += 4;
+ printf(" bytes in bitstream = %d\n", swapsize);
+
+ return fpga_load(devnum, dataptr, swapsize);
+}
+
+int xilinx_load(xilinx_desc *desc, const void *buf, size_t bsize)
+{
+ if (!xilinx_validate (desc, (char *)__FUNCTION__)) {
+ printf ("%s: Invalid device descriptor\n", __FUNCTION__);
+ return FPGA_FAIL;
+ }
+
+ return desc->operations->load(desc, buf, bsize);
+}
+
+int xilinx_dump(xilinx_desc *desc, const void *buf, size_t bsize)
+{
+ if (!xilinx_validate (desc, (char *)__FUNCTION__)) {
+ printf ("%s: Invalid device descriptor\n", __FUNCTION__);
+ return FPGA_FAIL;
+ }
+
+ return desc->operations->dump(desc, buf, bsize);
+}
+
+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;
+ case xilinx_zynq:
+ printf("Zynq PL\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;
+ case devcfg:
+ printf("Device configuration interface (Zynq)\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->name)
+ printf("Device name: \t%s\n", desc->name);
+
+ if (desc->iface_fns) {
+ printf ("Device Function Table @ 0x%p\n", desc->iface_fns);
+ desc->operations->info(desc);
+ } else
+ printf ("No Device Function Table.\n");
+
+ ret_val = FPGA_SUCCESS;
+ } else {
+ printf ("%s: Invalid device descriptor\n", __FUNCTION__);
+ }
+
+ 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;
+}
Code Review / kvmfornfv.git / blobdiff