fpga: zynqmp: Add secure bitstream loading for ZynqMP

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

diff --git a/drivers/fpga/zynqmppl.c b/drivers/fpga/zynqmppl.c
index b57623b6a7567044b513a6e9a53955c0f4ceecbb..03ffa8c11f2c7d11887199b904c4174772960aef 100644 (file)
--- a/drivers/fpga/zynqmppl.c
+++ b/drivers/fpga/zynqmppl.c
@@ -223,6 +223,51 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
        return ret;
 }
 
+#if defined(CONFIG_CMD_FPGA_LOAD_SECURE) && !defined(CONFIG_SPL_BUILD)
+static int zynqmp_loads(xilinx_desc *desc, const void *buf, size_t bsize,
+                       struct fpga_secure_info *fpga_sec_info)
+{
+       int ret;
+       u32 buf_lo, buf_hi;
+       u32 ret_payload[PAYLOAD_ARG_CNT];
+       u8 flag = 0;
+
+       flush_dcache_range((ulong)buf, (ulong)buf +
+                          ALIGN(bsize, CONFIG_SYS_CACHELINE_SIZE));
+
+       if (!fpga_sec_info->encflag)
+               flag |= BIT(ZYNQMP_FPGA_BIT_ENC_DEV_KEY);
+
+       if (fpga_sec_info->userkey_addr &&
+           fpga_sec_info->encflag == FPGA_ENC_USR_KEY) {
+               flush_dcache_range((ulong)fpga_sec_info->userkey_addr,
+                                  (ulong)fpga_sec_info->userkey_addr +
+                                  ALIGN(KEY_PTR_LEN,
+                                        CONFIG_SYS_CACHELINE_SIZE));
+               flag |= BIT(ZYNQMP_FPGA_BIT_ENC_USR_KEY);
+       }
+
+       if (!fpga_sec_info->authflag)
+               flag |= BIT(ZYNQMP_FPGA_BIT_AUTH_OCM);
+
+       if (fpga_sec_info->authflag == ZYNQMP_FPGA_AUTH_DDR)
+               flag |= BIT(ZYNQMP_FPGA_BIT_AUTH_DDR);
+
+       buf_lo = lower_32_bits((ulong)buf);
+       buf_hi = upper_32_bits((ulong)buf);
+
+       ret = invoke_smc(ZYNQMP_SIP_SVC_PM_FPGA_LOAD, buf_lo, buf_hi,
+                        (u32)(uintptr_t)fpga_sec_info->userkey_addr,
+                        flag, ret_payload);
+       if (ret)
+               puts("PL FPGA LOAD fail\n");
+       else
+               puts("Bitstream successfully loaded\n");
+
+       return ret;
+}
+#endif
+
 static int zynqmp_pcap_info(xilinx_desc *desc)
 {
        int ret;
@@ -238,5 +283,8 @@ static int zynqmp_pcap_info(xilinx_desc *desc)
 
 struct xilinx_fpga_op zynqmp_op = {
        .load = zynqmp_load,
+#if defined CONFIG_CMD_FPGA_LOAD_SECURE
+       .loads = zynqmp_loads,
+#endif
        .info = zynqmp_pcap_info,
 };