xilinx: versal: Add new versal loadpdi command
Versal loadpdi command is used for loading secure & non-secure
pdi images.
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/xilinx/versal/cmds.c b/board/xilinx/versal/cmds.c
new file mode 100644
index 0000000..981c80e
--- /dev/null
+++ b/board/xilinx/versal/cmds.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2020 Xilinx, Inc.
+ * Michal Simek <michal.simek@xilinx.com>
+ */
+
+#include <cpu_func.h>
+#include <command.h>
+#include <common.h>
+#include <log.h>
+#include <memalign.h>
+#include <versalpl.h>
+#include <zynqmp_firmware.h>
+
+static int do_versal_load_pdi(struct cmd_tbl *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ u32 buf_lo, buf_hi;
+ u32 ret_payload[5];
+ 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[2], NULL, 16);
+ if (!addr) {
+ debug("pdi_load: zero pdi_data address\n");
+ return CMD_RET_USAGE;
+ }
+
+ len = simple_strtoul(argv[3], NULL, 16);
+ 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 ret;
+}
+
+static struct cmd_tbl cmd_versal_sub[] = {
+ U_BOOT_CMD_MKENT(loadpdi, 4, 1, do_versal_load_pdi, "", ""),
+};
+
+/**
+ * do_versal - Handle the "versal" 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 specific commands
+ *
+ * Return: return 0 on success, Error value if command fails.
+ * CMD_RET_USAGE incase of incorrect/missing parameters.
+ */
+static int do_versal(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ struct cmd_tbl *c;
+ int ret = CMD_RET_USAGE;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ c = find_cmd_tbl(argv[1], &cmd_versal_sub[0],
+ ARRAY_SIZE(cmd_versal_sub));
+ if (c)
+ ret = c->cmd(c, flag, argc, argv);
+
+ return cmd_process_error(c, ret);
+}
+
+#ifdef CONFIG_SYS_LONGHELP
+static char versal_help_text[] =
+ "loadpdi addr len - Load pdi image\n"
+ "load pdi image at ddr address 'addr' with pdi image size 'len'\n"
+;
+#endif
+
+U_BOOT_CMD(versal, 4, 1, do_versal,
+ "versal sub-system",
+ versal_help_text
+)
+