+/* deactivate all the cpu except core 0 */
+static void stm32_fdt_fixup_cpu(void *blob, char *name)
+{
+ int off;
+ u32 reg;
+
+ off = fdt_path_offset(blob, "/cpus");
+ if (off < 0) {
+ printf("%s: couldn't find /cpus node\n", __func__);
+ return;
+ }
+
+ off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+ while (off != -FDT_ERR_NOTFOUND) {
+ reg = fdtdec_get_addr(blob, off, "reg");
+ if (reg != 0) {
+ fdt_del_node(blob, off);
+ printf("FDT: cpu %d node remove for %s\n", reg, name);
+ /* after delete we can't trust the offsets anymore */
+ off = -1;
+ }
+ off = fdt_node_offset_by_prop_value(blob, off,
+ "device_type", "cpu", 4);
+ }
+}
+
+static void stm32_fdt_disable(void *fdt, int offset, u32 addr,
+ const char *string, const char *name)
+{
+ if (fdt_disable_subnode_by_address(fdt, offset, addr))
+ printf("FDT: %s@%08x node disabled for %s\n",
+ string, addr, name);
+}
+
+static void stm32_fdt_disable_optee(void *blob)
+{
+ int off, node;
+
+ off = fdt_node_offset_by_compatible(blob, -1, "linaro,optee-tz");
+ if (off >= 0 && fdtdec_get_is_enabled(blob, off))
+ fdt_status_disabled(blob, off);
+
+ /* Disabled "optee@..." reserved-memory node */
+ off = fdt_path_offset(blob, "/reserved-memory/");
+ if (off < 0)
+ return;
+ for (node = fdt_first_subnode(blob, off);
+ node >= 0;
+ node = fdt_next_subnode(blob, node)) {
+ if (!strncmp(fdt_get_name(blob, node, NULL), "optee@", 6))
+ fdt_status_disabled(blob, node);
+ }
+}
+