2 * Copyright (c) 2015 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
5 * SPDX-License-Identifier: GPL-2.0+
13 #define BIOS_CTRL_BIOSWE BIT(0)
15 /* Operations for the Platform Controller Hub */
18 * get_spi_base() - get the address of SPI base
20 * @dev: PCH device to check
21 * @sbasep: Returns address of SPI base if available, else 0
22 * @return 0 if OK, -ve on error (e.g. there is no SPI base)
24 int (*get_spi_base)(struct udevice *dev, ulong *sbasep);
27 * set_spi_protect() - set whether SPI flash is protected or not
29 * @dev: PCH device to adjust
30 * @protect: true to protect, false to unprotect
32 * @return 0 on success, -ENOSYS if not implemented
34 int (*set_spi_protect)(struct udevice *dev, bool protect);
37 #define pch_get_ops(dev) ((struct pch_ops *)(dev)->driver->ops)
40 * pch_get_spi_base() - get the address of SPI base
42 * @dev: PCH device to check
43 * @sbasep: Returns address of SPI base if available, else 0
44 * @return 0 if OK, -ve on error (e.g. there is no SPI base)
46 int pch_get_spi_base(struct udevice *dev, ulong *sbasep);
49 * set_spi_protect() - set whether SPI flash is protected or not
51 * @dev: PCH device to adjust
52 * @protect: true to protect, false to unprotect
54 * @return 0 on success, -ENOSYS if not implemented
56 int pch_set_spi_protect(struct udevice *dev, bool protect);