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-rw-r--r--cmd/pstore.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/cmd/pstore.c b/cmd/pstore.c
index 530eb03b18..9a8b38c7f2 100644
--- a/cmd/pstore.c
+++ b/cmd/pstore.c
@@ -480,6 +480,44 @@ static int do_pstore(struct cmd_tbl *cmdtp, int flag, int argc, char * const arg
return c->cmd(cmdtp, flag, argc, argv);
}
+void fdt_fixup_pstore(void *blob)
+{
+ char node[32];
+ int nodeoffset; /* node offset from libfdt */
+
+ nodeoffset = fdt_path_offset(blob, "/");
+ if (nodeoffset < 0) {
+ /* Not found or something else bad happened. */
+ log_err("fdt_path_offset() returned %s\n", fdt_strerror(nodeoffset));
+ return;
+ }
+
+ nodeoffset = fdt_add_subnode(blob, nodeoffset, "reserved-memory");
+ if (nodeoffset < 0) {
+ log_err("Add 'reserved-memory' node failed: %s\n",
+ fdt_strerror(nodeoffset));
+ return;
+ }
+ fdt_setprop_u32(blob, nodeoffset, "#address-cells", 2);
+ fdt_setprop_u32(blob, nodeoffset, "#size-cells", 2);
+ fdt_setprop_empty(blob, nodeoffset, "ranges");
+
+ sprintf(node, "ramoops@%llx", (unsigned long long)pstore_addr);
+ nodeoffset = fdt_add_subnode(blob, nodeoffset, node);
+ if (nodeoffset < 0) {
+ log_err("Add '%s' node failed: %s\n", node, fdt_strerror(nodeoffset));
+ return;
+ }
+ fdt_setprop_string(blob, nodeoffset, "compatible", "ramoops");
+ fdt_setprop_u64(blob, nodeoffset, "reg", pstore_addr);
+ fdt_appendprop_u64(blob, nodeoffset, "reg", pstore_length);
+ fdt_setprop_u32(blob, nodeoffset, "record-size", pstore_record_size);
+ fdt_setprop_u32(blob, nodeoffset, "console-size", pstore_console_size);
+ fdt_setprop_u32(blob, nodeoffset, "ftrace-size", pstore_ftrace_size);
+ fdt_setprop_u32(blob, nodeoffset, "pmsg-size", pstore_pmsg_size);
+ fdt_setprop_u32(blob, nodeoffset, "ecc-size", pstore_ecc_size);
+}
+
U_BOOT_CMD(pstore, 10, 0, do_pstore,
"Manage Linux Persistent Storage",
"set <addr> <len> [record-size] [console-size] [ftrace-size] [pmsg_size] [ecc-size]\n"