cmd: fpga: Add support to load secure bitstreams

[u-boot] / drivers / fpga / fpga.c

diff --git a/drivers/fpga/fpga.c b/drivers/fpga/fpga.c
index 7e2f3e17a7649a6bdddb3e41eef6f75c660b3c7c..7e8bd7eae881d23c641eb1869b099db19c82f652 100644 (file)
--- a/drivers/fpga/fpga.c
+++ b/drivers/fpga/fpga.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2002
  * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /* Generic FPGA support */
@@ -31,7 +30,7 @@ static void fpga_no_sup(char *fn, char *msg)
        else if (msg)
                printf("No support for %s.\n", msg);
        else
-               printf("No FPGA suport!\n");
+               printf("No FPGA support!\n");
 }
 
 
@@ -148,20 +147,21 @@ int fpga_add(fpga_type devtype, void *desc)
 {
        int devnum = FPGA_INVALID_DEVICE;
 
+       if (!desc) {
+               printf("%s: NULL device descriptor\n", __func__);
+               return devnum;
+       }
+
        if (next_desc < 0) {
                printf("%s: FPGA support not initialized!\n", __func__);
        } else if ((devtype > fpga_min_type) && (devtype < fpga_undefined)) {
-               if (desc) {
-                       if (next_desc < CONFIG_MAX_FPGA_DEVICES) {
-                               devnum = next_desc;
-                               desc_table[next_desc].devtype = devtype;
-                               desc_table[next_desc++].devdesc = desc;
-                       } else {
-                               printf("%s: Exceeded Max FPGA device count\n",
-                                      __func__);
-                       }
+               if (next_desc < CONFIG_MAX_FPGA_DEVICES) {
+                       devnum = next_desc;
+                       desc_table[next_desc].devtype = devtype;
+                       desc_table[next_desc++].devdesc = desc;
                } else {
-                       printf("%s: NULL device descriptor\n", __func__);
+                       printf("%s: Exceeded Max FPGA device count\n",
+                              __func__);
                }
        } else {
                printf("%s: Unsupported FPGA type %d\n", __func__, devtype);
@@ -170,6 +170,15 @@ int fpga_add(fpga_type devtype, void *desc)
        return devnum;
 }
 
+/*
+ * Return 1 if the fpga data is partial.
+ * This is only required for fpga drivers that support bitstream_type.
+ */
+int __weak fpga_is_partial_data(int devnum, size_t img_len)
+{
+       return 0;
+}
+
 /*
  * Convert bitstream data and load into the fpga
  */
@@ -208,6 +217,35 @@ int fpga_fsload(int devnum, const void *buf, size_t size,
 }
 #endif
 
+#if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
+int fpga_loads(int devnum, const void *buf, size_t size,
+              struct fpga_secure_info *fpga_sec_info)
+{
+       int ret_val = FPGA_FAIL;
+
+       const fpga_desc *desc = fpga_validate(devnum, buf, size,
+                                             (char *)__func__);
+
+       if (desc) {
+               switch (desc->devtype) {
+               case fpga_xilinx:
+#if defined(CONFIG_FPGA_XILINX)
+                       ret_val = xilinx_loads(desc->devdesc, buf, size,
+                                              fpga_sec_info);
+#else
+                       fpga_no_sup((char *)__func__, "Xilinx devices");
+#endif
+                       break;
+               default:
+                       printf("%s: Invalid or unsupported device type %d\n",
+                              __func__, desc->devtype);
+               }
+       }
+
+       return ret_val;
+}
+#endif
+
 /*
  * Generic multiplexing code
  */