summaryrefslogtreecommitdiffstats
path: root/arch/x86/lib/init_helpers.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/lib/init_helpers.c')
-rw-r--r--arch/x86/lib/init_helpers.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c
index 3a62b2ea06..3eec9a61d6 100644
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@@ -171,3 +171,32 @@ int init_func_spi(void)
puts("ready\n");
return 0;
}
+
+#ifdef CONFIG_OF_CONTROL
+int find_fdt(void)
+{
+#ifdef CONFIG_OF_EMBED
+ /* Get a pointer to the FDT */
+ gd->fdt_blob = _binary_dt_dtb_start;
+#elif defined CONFIG_OF_SEPARATE
+ /* FDT is at end of image */
+ gd->fdt_blob = (void *)(_end_ofs + _TEXT_BASE);
+#endif
+ /* Allow the early environment to override the fdt address */
+ gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
+ (uintptr_t)gd->fdt_blob);
+
+ return 0;
+}
+
+int prepare_fdt(void)
+{
+ /* For now, put this check after the console is ready */
+ if (fdtdec_prepare_fdt()) {
+ panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
+ "doc/README.fdt-control");
+ }
+
+ return 0;
+}
+#endif
OpenPOWER on IntegriCloud