git.sur5r.net Git - u-boot/blob - drivers/pch/pch-uclass.c

   1 /*
   2  * Copyright (c) 2015 Google, Inc
   3  * Written by Simon Glass <sjg@chromium.org>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <dm.h>
  10 #include <pch.h>
  11 #include <dm/root.h>
  12
  13 DECLARE_GLOBAL_DATA_PTR;
  14
  15 int pch_get_sbase(struct udevice *dev, ulong *sbasep)
  16 {
  17         struct pch_ops *ops = pch_get_ops(dev);
  18
  19         *sbasep = 0;
  20         if (!ops->get_sbase)
  21                 return -ENOSYS;
  22
  23         return ops->get_sbase(dev, sbasep);
  24 }
  25
  26 int pch_set_spi_protect(struct udevice *dev, bool protect)
  27 {
  28         struct pch_ops *ops = pch_get_ops(dev);
  29
  30         if (!ops->set_spi_protect)
  31                 return -ENOSYS;
  32
  33         return ops->set_spi_protect(dev, protect);
  34 }
  35
  36 static int pch_uclass_post_bind(struct udevice *bus)
  37 {
  38         /*
  39          * Scan the device tree for devices
  40          *
  41          * Before relocation, only bind devices marked for pre-relocation
  42          * use.
  43          */
  44         return dm_scan_fdt_node(bus, gd->fdt_blob, bus->of_offset,
  45                                 gd->flags & GD_FLG_RELOC ? false : true);
  46 }
  47
  48 UCLASS_DRIVER(pch) = {
  49         .id             = UCLASS_PCH,
  50         .name           = "pch",
  51         .post_bind      = pch_uclass_post_bind,
  52 };