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81afac12 SG |
1 | /* |
2 | * Copyright (C) 2014 Google, Inc | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
8 | #include <dm.h> | |
9 | #include <pch.h> | |
10 | ||
11 | #define SBASE_ADDR 0x54 | |
12 | ||
13 | static int pch9_get_sbase(struct udevice *dev, ulong *sbasep) | |
14 | { | |
15 | uint32_t sbase_addr; | |
16 | ||
17 | dm_pci_read_config32(dev, SBASE_ADDR, &sbase_addr); | |
18 | *sbasep = sbase_addr & 0xfffffe00; | |
19 | ||
20 | return 0; | |
21 | } | |
22 | ||
81afac12 SG |
23 | static const struct pch_ops pch9_ops = { |
24 | .get_sbase = pch9_get_sbase, | |
81afac12 SG |
25 | }; |
26 | ||
27 | static const struct udevice_id pch9_ids[] = { | |
28 | { .compatible = "intel,pch9" }, | |
29 | { } | |
30 | }; | |
31 | ||
32 | U_BOOT_DRIVER(pch9_drv) = { | |
33 | .name = "intel-pch9", | |
34 | .id = UCLASS_PCH, | |
35 | .of_match = pch9_ids, | |
36 | .ops = &pch9_ops, | |
37 | }; |