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