| Simon Glass | 471e28c | 2019-12-08 17:40:10 -0700 | [diff] [blame] | 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 | |
| 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 | static const struct udevice_id apl_pch_ids[] = { |
| 27 | { .compatible = "intel,apl-pch" }, |
| 28 | { } |
| 29 | }; |
| 30 | |
| 31 | U_BOOT_DRIVER(apl_pch) = { |
| 32 | .name = "apl_pch", |
| 33 | .id = UCLASS_PCH, |
| 34 | .of_match = apl_pch_ids, |
| 35 | .ops = &apl_pch_ops, |
| 36 | }; |