--- /dev/null
+/*
+ * (C) Copyright 2018 Xilinx, Inc.
+ * Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+
+static int zynqmp_verify_secure(u8 *key_ptr, u8 *src_ptr, u32 len)
+{
+ int ret;
+ u32 src_lo, src_hi;
+ u32 key_lo = 0;
+ u32 key_hi = 0;
+ u32 ret_payload[PAYLOAD_ARG_CNT];
+ u64 addr;
+
+ if ((ulong)src_ptr != ALIGN((ulong)src_ptr,
+ CONFIG_SYS_CACHELINE_SIZE)) {
+ printf("Failed: source address not aligned:%p\n", src_ptr);
+ return -EINVAL;
+ }
+
+ src_lo = lower_32_bits((ulong)src_ptr);
+ src_hi = upper_32_bits((ulong)src_ptr);
+ flush_dcache_range((ulong)src_ptr, (ulong)(src_ptr + len));
+
+ if (key_ptr) {
+ key_lo = lower_32_bits((ulong)key_ptr);
+ key_hi = upper_32_bits((ulong)key_ptr);
+ flush_dcache_range((ulong)key_ptr,
+ (ulong)(key_ptr + KEY_PTR_LEN));
+ }
+
+ ret = invoke_smc(ZYNQMP_SIP_SVC_PM_SECURE_IMG_LOAD, src_lo, src_hi,
+ key_lo, key_hi, ret_payload);
+ if (ret) {
+ printf("Failed: secure op status:0x%x\n", ret);
+ } else {
+ addr = (u64)ret_payload[1] << 32 | ret_payload[2];
+ printf("Verified image at 0x%llx\n", addr);
+ env_set_hex("zynqmp_verified_img_addr", addr);
+ }
+
+ return ret;
+}
+
+/**
+ * do_zynqmp - Handle the "zynqmp" command-line command
+ * @cmdtp: Command data struct pointer
+ * @flag: Command flag
+ * @argc: Command-line argument count
+ * @argv: Array of command-line arguments
+ *
+ * Processes the zynqmp specific commands
+ *
+ * Return: return 0 on success and CMD_RET_USAGE incase of misuse and error
+ */
+static int do_zynqmp(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ u64 src_addr;
+ u32 len;
+ u8 *key_ptr = NULL;
+ u8 *src_ptr;
+ int ret;
+
+ if (argc > 5 || argc < 4 || strncmp(argv[1], "secure", 6))
+ return CMD_RET_USAGE;
+
+ src_addr = simple_strtoull(argv[2], NULL, 16);
+
+ len = simple_strtoul(argv[3], NULL, 16);
+
+ if (argc > 4)
+ key_ptr = (uint8_t *)(uintptr_t)simple_strtoull(argv[4],
+ NULL, 16);
+
+ src_ptr = (uint8_t *)(uintptr_t)src_addr;
+
+ ret = zynqmp_verify_secure(key_ptr, src_ptr, len);
+ if (ret)
+ return CMD_RET_FAILURE;
+
+ return CMD_RET_SUCCESS;
+}
+
+/***************************************************/
+#ifdef CONFIG_SYS_LONGHELP
+static char zynqmp_help_text[] =
+ "secure src len [key_addr] - verifies secure images of $len bytes\n"
+ " long at address $src. Optional key_addr\n"
+ " can be specified if user key needs to\n"
+ " be used for decryption\n";
+#endif
+
+U_BOOT_CMD(
+ zynqmp, 5, 1, do_zynqmp,
+ "Verify and load secure images",
+ zynqmp_help_text
+)
projects / thirdparty / u-boot.git / commitdiff
