xilinx: versal-net: Add new versalnet loadpdi command
Versal NET loadpdi command is used for loading secure & non-secure
pdi images.
Signed-off-by: Algapally Santosh Sagar <santoshsagar.algapally@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/f43709af894b669833770acb39ff5856fecf6d66.1684761656.git.michal.simek@amd.com
diff --git a/board/xilinx/versal-net/cmds.c b/board/xilinx/versal-net/cmds.c
new file mode 100644
index 0000000..b18a71f
--- /dev/null
+++ b/board/xilinx/versal-net/cmds.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023, Advanced Micro Devices, Inc.
+ *
+ * Michal Simek <michal.simek@amd.com>
+ */
+
+#include <cpu_func.h>
+#include <command.h>
+#include <common.h>
+#include <log.h>
+#include <memalign.h>
+#include <versalpl.h>
+#include <zynqmp_firmware.h>
+
+/**
+ * do_versalnet_load_pdi - Handle the "versalnet load pdi" command-line command
+ * @cmdtp: Command data struct pointer
+ * @flag: Command flag
+ * @argc: Command-line argument count
+ * @argv: Array of command-line arguments
+ *
+ * Processes the Versal NET load pdi command
+ *
+ * Return: return 0 on success, Error value if command fails.
+ * CMD_RET_USAGE incase of incorrect/missing parameters.
+ */
+static int do_versalnet_load_pdi(struct cmd_tbl *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ u32 buf_lo, buf_hi;
+ u32 ret_payload[PAYLOAD_ARG_CNT];
+ ulong addr, *pdi_buf;
+ size_t len;
+ int ret;
+
+ if (argc != cmdtp->maxargs) {
+ debug("pdi_load: incorrect parameters passed\n");
+ return CMD_RET_USAGE;
+ }
+
+ addr = simple_strtol(argv[1], NULL, 16);
+ if (!addr) {
+ debug("pdi_load: zero pdi_data address\n");
+ return CMD_RET_USAGE;
+ }
+
+ len = hextoul(argv[2], NULL);
+ if (!len) {
+ debug("pdi_load: zero size\n");
+ return CMD_RET_USAGE;
+ }
+
+ pdi_buf = (ulong *)ALIGN((ulong)addr, ARCH_DMA_MINALIGN);
+ if ((ulong)addr != (ulong)pdi_buf) {
+ memcpy((void *)pdi_buf, (void *)addr, len);
+ debug("Pdi addr:0x%lx aligned to 0x%lx\n",
+ addr, (ulong)pdi_buf);
+ }
+
+ flush_dcache_range((ulong)pdi_buf, (ulong)pdi_buf + len);
+
+ buf_lo = lower_32_bits((ulong)pdi_buf);
+ buf_hi = upper_32_bits((ulong)pdi_buf);
+
+ ret = xilinx_pm_request(VERSAL_PM_LOAD_PDI, VERSAL_PM_PDI_TYPE, buf_lo,
+ buf_hi, 0, ret_payload);
+ if (ret)
+ printf("PDI load failed with err: 0x%08x\n", ret);
+
+ return cmd_process_error(cmdtp, ret);
+}
+
+static char versalnet_help_text[] =
+ "loadpdi addr len - Load pdi image\n"
+ "load pdi image at ddr address 'addr' with pdi image size 'len'\n"
+;
+
+U_BOOT_CMD_WITH_SUBCMDS(versalnet, "Versal NET sub-system", versalnet_help_text,
+ U_BOOT_SUBCMD_MKENT(loadpdi, 3, 1,
+ do_versalnet_load_pdi));