sunxi: mmc: set transfer timeout according to byte_cnt.

[karo-tx-uboot.git] / drivers / core / root.c

diff --git a/drivers/core/root.c b/drivers/core/root.c
index 1cbb096494d2638a57c1a9d7998cda9685054896..78ab00c7bfbf9e4d46cdf2c9e83e3cf2011d23e8 100644 (file)
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -9,12 +9,14 @@
 
 #include <common.h>
 #include <errno.h>
+#include <fdtdec.h>
 #include <malloc.h>
 #include <libfdt.h>
 #include <dm/device.h>
 #include <dm/device-internal.h>
 #include <dm/lists.h>
 #include <dm/platdata.h>
+#include <dm/root.h>
 #include <dm/uclass.h>
 #include <dm/util.h>
 #include <linux/list.h>
@@ -35,6 +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;
@@ -45,51 +106,113 @@ int dm_init(void)
        }
        INIT_LIST_HEAD(&DM_UCLASS_ROOT_NON_CONST);
 
-       ret = device_bind_by_name(NULL, &root_info, &DM_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;
+
+       return 0;
+}
+
+int dm_uninit(void)
+{
+       device_remove(dm_root());
+       device_unbind(dm_root());
 
        return 0;
 }
 
-int dm_scan_platdata(void)
+int dm_scan_platdata(bool pre_reloc_only)
 {
        int ret;
 
-       ret = lists_bind_drivers(DM_ROOT_NON_CONST);
+       ret = lists_bind_drivers(DM_ROOT_NON_CONST, pre_reloc_only);
        if (ret == -ENOENT) {
                dm_warn("Some drivers were not found\n");
                ret = 0;
        }
-       if (ret)
-               return ret;
 
-       return 0;
+       return ret;
 }
 
-#ifdef CONFIG_OF_CONTROL
-int dm_scan_fdt(const void *blob)
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+int dm_scan_fdt_node(struct udevice *parent, const void *blob, int offset,
+                    bool pre_reloc_only)
 {
-       int offset = 0;
        int ret = 0, err;
-       int depth = 0;
-
-       do {
-               offset = fdt_next_node(blob, offset, &depth);
-               if (offset > 0 && depth == 1) {
-                       err = lists_bind_fdt(gd->dm_root, blob, offset);
-                       if (err && !ret)
-                               ret = err;
+
+       for (offset = fdt_first_subnode(blob, offset);
+            offset > 0;
+            offset = fdt_next_subnode(blob, 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;
                }
-       } while (offset > 0);
+               err = lists_bind_fdt(parent, blob, offset, NULL);
+               if (err && !ret)
+                       ret = err;
+       }
 
        if (ret)
                dm_warn("Some drivers failed to bind\n");
 
        return ret;
 }
+
+int dm_scan_fdt(const void *blob, bool pre_reloc_only)
+{
+       return dm_scan_fdt_node(gd->dm_root, blob, 0, pre_reloc_only);
+}
 #endif
 
+__weak int dm_scan_other(bool pre_reloc_only)
+{
+       return 0;
+}
+
+int dm_init_and_scan(bool pre_reloc_only)
+{
+       int ret;
+
+       ret = dm_init();
+       if (ret) {
+               debug("dm_init() failed: %d\n", ret);
+               return ret;
+       }
+       ret = dm_scan_platdata(pre_reloc_only);
+       if (ret) {
+               debug("dm_scan_platdata() 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;
+               }
+       }
+
+       ret = dm_scan_other(pre_reloc_only);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
 /* This is the root driver - all drivers are children of this */
 U_BOOT_DRIVER(root_driver) = {
        .name   = "root_driver",