1 /*
2 * Copyright (c) 2016 Google, Inc
3 *
4 * SPDX-License-Identifier: GPL-2.0
5 */
6
7 #include <common.h>
8 #include <dm.h>
9 #include <asm/pch_common.h>
10
pch_common_sir_read(struct udevice * dev,int idx)11 u32 pch_common_sir_read(struct udevice *dev, int idx)
12 {
13 u32 data;
14
15 dm_pci_write_config32(dev, SATA_SIRI, idx);
16 dm_pci_read_config32(dev, SATA_SIRD, &data);
17
18 return data;
19 }
20
pch_common_sir_write(struct udevice * dev,int idx,u32 value)21 void pch_common_sir_write(struct udevice *dev, int idx, u32 value)
22 {
23 dm_pci_write_config32(dev, SATA_SIRI, idx);
24 dm_pci_write_config32(dev, SATA_SIRD, value);
25 }
26