fpga: Check device name against bitstream name
Ensure that wrong bitstream won't be loaded
to current device.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@ti.com>
diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c
index 496aa2f..49e9437 100644
--- a/drivers/fpga/xilinx.c
+++ b/drivers/fpga/xilinx.c
@@ -30,6 +30,7 @@
*/
#include <common.h>
+#include <fpga.h>
#include <virtex2.h>
#include <spartan2.h>
#include <spartan3.h>
@@ -58,8 +59,14 @@
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);
@@ -93,6 +100,20 @@
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) */
@@ -306,6 +327,8 @@
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);