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_spi_base(struct udevice *dev, ulong *sbasep)
  16 {
  17         struct pch_ops *ops = pch_get_ops(dev);
  18
  19         *sbasep = 0;
  20         if (!ops->get_spi_base)
  21                 return -ENOSYS;
  22
  23         return ops->get_spi_base(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 int pch_get_gpio_base(struct udevice *dev, u32 *gbasep)
  37 {
  38         struct pch_ops *ops = pch_get_ops(dev);
  39
  40         *gbasep = 0;
  41         if (!ops->get_gpio_base)
  42                 return -ENOSYS;
  43
  44         return ops->get_gpio_base(dev, gbasep);
  45 }
  46
  47 int pch_get_io_base(struct udevice *dev, u32 *iobasep)
  48 {
  49         struct pch_ops *ops = pch_get_ops(dev);
  50
  51         *iobasep = 0;
  52         if (!ops->get_io_base)
  53                 return -ENOSYS;
  54
  55         return ops->get_io_base(dev, iobasep);
  56 }
  57
  58 static int pch_uclass_post_bind(struct udevice *bus)
  59 {
  60         /*
  61          * Scan the device tree for devices
  62          *
  63          * Before relocation, only bind devices marked for pre-relocation
  64          * use.
  65          */
  66         return dm_scan_fdt_node(bus, gd->fdt_blob, bus->of_offset,
  67                                 gd->flags & GD_FLG_RELOC ? false : true);
  68 }
  69
  70 UCLASS_DRIVER(pch) = {
  71         .id             = UCLASS_PCH,
  72         .name           = "pch",
  73         .post_bind      = pch_uclass_post_bind,
  74 };