dm: Expand the uclass for Platform Controller Hubs (PCH)

[u-boot] / drivers / pch / pch-uclass.c

diff --git a/drivers/pch/pch-uclass.c b/drivers/pch/pch-uclass.c
new file mode 100644 (file)
index 0000000..4579ed1
--- /dev/null
+++ b/drivers/pch/pch-uclass.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <pch.h>
+#include <dm/root.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int pch_get_sbase(struct udevice *dev, ulong *sbasep)
+{
+       struct pch_ops *ops = pch_get_ops(dev);
+
+       *sbasep = 0;
+       if (!ops->get_sbase)
+               return -ENOSYS;
+
+       return ops->get_sbase(dev, sbasep);
+}
+
+enum pch_version pch_get_version(struct udevice *dev)
+{
+       struct pch_ops *ops = pch_get_ops(dev);
+
+       if (!ops->get_version)
+               return -ENOSYS;
+
+       return ops->get_version(dev);
+}
+
+int pch_set_spi_protect(struct udevice *dev, bool protect)
+{
+       struct pch_ops *ops = pch_get_ops(dev);
+
+       if (!ops->set_spi_protect)
+               return -ENOSYS;
+
+       return ops->set_spi_protect(dev, protect);
+}
+
+static int pch_uclass_post_bind(struct udevice *bus)
+{
+       /*
+        * Scan the device tree for devices
+        *
+        * Before relocation, only bind devices marked for pre-relocation
+        * use.
+        */
+       return dm_scan_fdt_node(bus, gd->fdt_blob, bus->of_offset,
+                               gd->flags & GD_FLG_RELOC ? false : true);
+}
+
+UCLASS_DRIVER(pch) = {
+       .id             = UCLASS_PCH,
+       .name           = "pch",
+       .post_bind      = pch_uclass_post_bind,
+};