1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright 2019 Google LLC
4 */
5
6 #include <common.h>
7 #include <dm.h>
8 #include <pch.h>
9 #include <spl.h>
10 #include <asm/lpc_common.h>
11
12 #define BIOS_CTRL 0xdc
13
apl_set_spi_protect(struct udevice * dev,bool protect)14 static int apl_set_spi_protect(struct udevice *dev, bool protect)
15 {
16 if (spl_phase() == PHASE_SPL)
17 return lpc_set_spi_protect(dev, BIOS_CTRL, protect);
18
19 return 0;
20 }
21
22 static const struct pch_ops apl_pch_ops = {
23 .set_spi_protect = apl_set_spi_protect,
24 };
25
26 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
27 static const struct udevice_id apl_pch_ids[] = {
28 { .compatible = "intel,apl-pch" },
29 { }
30 };
31 #endif
32
33 U_BOOT_DRIVER(intel_apl_pch) = {
34 .name = "intel_apl_pch",
35 .id = UCLASS_PCH,
36 .of_match = of_match_ptr(apl_pch_ids),
37 .ops = &apl_pch_ops,
38 };
39