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Diffstat (limited to 'drivers/fpga/xilinx.c')
-rw-r--r--drivers/fpga/xilinx.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c
index 32787b2..49e9437 100644
--- a/drivers/fpga/xilinx.c
+++ b/drivers/fpga/xilinx.c
@@ -1,4 +1,6 @@
/*
+ * (C) Copyright 2012-2013, Xilinx, Michal Simek
+ *
* (C) Copyright 2002
* Rich Ireland, Enterasys Networks, rireland@enterasys.com.
* Keith Outwater, keith_outwater@mvis.com
@@ -28,9 +30,11 @@
*/
#include <common.h>
+#include <fpga.h>
#include <virtex2.h>
#include <spartan2.h>
#include <spartan3.h>
+#include <zynqpl.h>
#if 0
#define FPGA_DEBUG
@@ -48,6 +52,112 @@ 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)
{
int ret_val = FPGA_FAIL; /* assume a failure */
@@ -86,6 +196,16 @@ int xilinx_load(Xilinx_desc *desc, const void *buf, size_t bsize)
__FUNCTION__);
#endif
break;
+ case xilinx_zynq:
+#if defined(CONFIG_FPGA_ZYNQPL)
+ PRINTF("%s: Launching the Zynq PL Loader...\n",
+ __func__);
+ ret_val = zynq_load(desc, buf, bsize);
+#else
+ printf("%s: No support for Zynq devices.\n",
+ __func__);
+#endif
+ break;
default:
printf ("%s: Unsupported family type, %d\n",
@@ -133,6 +253,16 @@ int xilinx_dump(Xilinx_desc *desc, const void *buf, size_t bsize)
__FUNCTION__);
#endif
break;
+ case xilinx_zynq:
+#if defined(CONFIG_FPGA_ZYNQPL)
+ PRINTF("%s: Launching the Zynq PL Reader...\n",
+ __func__);
+ ret_val = zynq_dump(desc, buf, bsize);
+#else
+ printf("%s: No support for Zynq devices.\n",
+ __func__);
+#endif
+ break;
default:
printf ("%s: Unsupported family type, %d\n",
@@ -158,6 +288,9 @@ int xilinx_info (Xilinx_desc * desc)
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);
@@ -183,6 +316,9 @@ int xilinx_info (Xilinx_desc * desc)
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);
@@ -191,6 +327,8 @@ int xilinx_info (Xilinx_desc * desc)
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);
@@ -222,6 +360,14 @@ int xilinx_info (Xilinx_desc * desc)
__FUNCTION__);
#endif
break;
+ case xilinx_zynq:
+#if defined(CONFIG_FPGA_ZYNQPL)
+ zynq_info(desc);
+#else
+ /* just in case */
+ printf("%s: No support for Zynq devices.\n",
+ __func__);
+#endif
/* Add new family types here */
default:
/* we don't need a message here - we give one up above */