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Simon Glass9c852d72016-03-16 07:44:36 -06001/*
2 * Copyright (c) 2016 Google, Inc
3 *
4 * SPDX-License-Identifier: GPL-2.0
5 */
6
7#ifndef __asm_pch_common_h
8#define __asm_pch_common_h
9
10/* Common Intel SATA registers */
11#define SATA_SIRI 0xa0 /* SATA Indexed Register Index */
12#define SATA_SIRD 0xa4 /* SATA Indexed Register Data */
13#define SATA_SP 0xd0 /* Scratchpad */
14
15#define INTR_LN 0x3c
16#define IDE_TIM_PRI 0x40 /* IDE timings, primary */
17#define IDE_DECODE_ENABLE (1 << 15)
18#define IDE_SITRE (1 << 14)
19#define IDE_ISP_5_CLOCKS (0 << 12)
20#define IDE_ISP_4_CLOCKS (1 << 12)
21#define IDE_ISP_3_CLOCKS (2 << 12)
22#define IDE_RCT_4_CLOCKS (0 << 8)
23#define IDE_RCT_3_CLOCKS (1 << 8)
24#define IDE_RCT_2_CLOCKS (2 << 8)
25#define IDE_RCT_1_CLOCKS (3 << 8)
26#define IDE_DTE1 (1 << 7)
27#define IDE_PPE1 (1 << 6)
28#define IDE_IE1 (1 << 5)
29#define IDE_TIME1 (1 << 4)
30#define IDE_DTE0 (1 << 3)
31#define IDE_PPE0 (1 << 2)
32#define IDE_IE0 (1 << 1)
33#define IDE_TIME0 (1 << 0)
34#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
35
36#define SERIRQ_CNTL 0x64
37
38/**
39 * pch_common_sir_read() - Read from a SATA indexed register
40 *
41 * @dev: SATA device
42 * @idx: Register index to read
43 * @return value read from register
44 */
45u32 pch_common_sir_read(struct udevice *dev, int idx);
46
47/**
48 * pch_common_sir_write() - Write to a SATA indexed register
49 *
50 * @dev: SATA device
51 * @idx: Register index to write
52 * @value: Value to write
53 */
54void pch_common_sir_write(struct udevice *dev, int idx, u32 value);
55
56#endif