X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fcore%2Froot.c;h=78ab00c7bfbf9e4d46cdf2c9e83e3cf2011d23e8;hb=42c91c10c52a3f3512ad5c5e906bc118349bbff5;hp=47b3acfbe981da9fcfe5ca6d7c20e60dd63b0285;hpb=85bafb6da4dddfffa78479aa49a72ae48578a4ce;p=oweals%2Fu-boot.git

diff --git a/drivers/core/root.c b/drivers/core/root.c
index 47b3acfbe9..78ab00c7bf 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <errno.h>
+#include <fdtdec.h>
 #include <malloc.h>
 #include <libfdt.h>
 #include <dm/device.h>
@@ -36,6 +37,65 @@ struct udevice *dm_root(void)
 	return gd->dm_root;
 }
 
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+void fix_drivers(void)
+{
+	struct driver *drv =
+		ll_entry_start(struct driver, driver);
+	const int n_ents = ll_entry_count(struct driver, driver);
+	struct driver *entry;
+
+	for (entry = drv; entry != drv + n_ents; entry++) {
+		if (entry->of_match)
+			entry->of_match = (const struct udevice_id *)
+				((u32)entry->of_match + gd->reloc_off);
+		if (entry->bind)
+			entry->bind += gd->reloc_off;
+		if (entry->probe)
+			entry->probe += gd->reloc_off;
+		if (entry->remove)
+			entry->remove += gd->reloc_off;
+		if (entry->unbind)
+			entry->unbind += gd->reloc_off;
+		if (entry->ofdata_to_platdata)
+			entry->ofdata_to_platdata += gd->reloc_off;
+		if (entry->child_pre_probe)
+			entry->child_pre_probe += gd->reloc_off;
+		if (entry->child_post_remove)
+			entry->child_post_remove += gd->reloc_off;
+		/* OPS are fixed in every uclass post_probe function */
+		if (entry->ops)
+			entry->ops += gd->reloc_off;
+	}
+}
+
+void fix_uclass(void)
+{
+	struct uclass_driver *uclass =
+		ll_entry_start(struct uclass_driver, uclass);
+	const int n_ents = ll_entry_count(struct uclass_driver, uclass);
+	struct uclass_driver *entry;
+
+	for (entry = uclass; entry != uclass + n_ents; entry++) {
+		if (entry->post_bind)
+			entry->post_bind += gd->reloc_off;
+		if (entry->pre_unbind)
+			entry->pre_unbind += gd->reloc_off;
+		if (entry->post_probe)
+			entry->post_probe += gd->reloc_off;
+		if (entry->pre_remove)
+			entry->pre_remove += gd->reloc_off;
+		if (entry->init)
+			entry->init += gd->reloc_off;
+		if (entry->destroy)
+			entry->destroy += gd->reloc_off;
+		/* FIXME maybe also need to fix these ops */
+		if (entry->ops)
+			entry->ops += gd->reloc_off;
+	}
+}
+#endif
+
 int dm_init(void)
 {
 	int ret;
@@ -46,9 +106,17 @@ int dm_init(void)
 	}
 	INIT_LIST_HEAD(&DM_UCLASS_ROOT_NON_CONST);
 
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+	fix_drivers();
+	fix_uclass();
+#endif
+
 	ret = device_bind_by_name(NULL, false, &root_info, &DM_ROOT_NON_CONST);
 	if (ret)
 		return ret;
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+	DM_ROOT_NON_CONST->of_offset = 0;
+#endif
 	ret = device_probe(DM_ROOT_NON_CONST);
 	if (ret)
 		return ret;
@@ -77,7 +145,7 @@ int dm_scan_platdata(bool pre_reloc_only)
 	return ret;
 }
 
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
 int dm_scan_fdt_node(struct udevice *parent, const void *blob, int offset,
 		     bool pre_reloc_only)
 {
@@ -89,6 +157,10 @@ int dm_scan_fdt_node(struct udevice *parent, const void *blob, int offset,
 		if (pre_reloc_only &&
 		    !fdt_getprop(blob, offset, "u-boot,dm-pre-reloc", NULL))
 			continue;
+		if (!fdtdec_get_is_enabled(blob, offset)) {
+			dm_dbg("   - ignoring disabled device\n");
+			continue;
+		}
 		err = lists_bind_fdt(parent, blob, offset, NULL);
 		if (err && !ret)
 			ret = err;
@@ -125,13 +197,15 @@ int dm_init_and_scan(bool pre_reloc_only)
 		debug("dm_scan_platdata() failed: %d\n", ret);
 		return ret;
 	}
-#ifdef CONFIG_OF_CONTROL
-	ret = dm_scan_fdt(gd->fdt_blob, pre_reloc_only);
-	if (ret) {
-		debug("dm_scan_fdt() failed: %d\n", ret);
-		return ret;
+
+	if (CONFIG_IS_ENABLED(OF_CONTROL)) {
+		ret = dm_scan_fdt(gd->fdt_blob, pre_reloc_only);
+		if (ret) {
+			debug("dm_scan_fdt() failed: %d\n", ret);
+			return ret;
+		}
 	}
-#endif
+
 	ret = dm_scan_other(pre_reloc_only);
 	if (ret)
 		return ret;