1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
4 * Copyright (C) 2013 Imagination Technologies Ltd.
5 *
6 *  This program is free software; you can distribute it and/or modify it
7 *  under the terms of the GNU General Public License (Version 2) as
8 *  published by the Free Software Foundation.
9 *
10 *  This program is distributed in the hope it will be useful, but WITHOUT
11 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 *  for more details.
14 *
15 *  You should have received a copy of the GNU General Public License along
16 *  with this program; if not, write to the Free Software Foundation, Inc.,
17 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
18 *
19 * Register definitions for Intel PIIX4 South Bridge Device.
20 */
21#ifndef __ASM_MIPS_BOARDS_PIIX4_H
22#define __ASM_MIPS_BOARDS_PIIX4_H
23
24/* PIRQX Route Control */
25#define PIIX4_FUNC0_PIRQRC			0x60
26#define   PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_DISABLE	(1 << 7)
27#define   PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MASK		0xf
28#define   PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MAX		16
29/* SERIRQ Control */
30#define PIIX4_FUNC0_SERIRQC			0x64
31#define   PIIX4_FUNC0_SERIRQC_EN			(1 << 7)
32#define   PIIX4_FUNC0_SERIRQC_CONT			(1 << 6)
33/* Top Of Memory */
34#define PIIX4_FUNC0_TOM				0x69
35#define   PIIX4_FUNC0_TOM_TOP_OF_MEMORY_MASK		0xf0
36/* Deterministic Latency Control */
37#define PIIX4_FUNC0_DLC				0x82
38#define   PIIX4_FUNC0_DLC_USBPR_EN			(1 << 2)
39#define   PIIX4_FUNC0_DLC_PASSIVE_RELEASE_EN		(1 << 1)
40#define   PIIX4_FUNC0_DLC_DELAYED_TRANSACTION_EN	(1 << 0)
41/* General Configuration */
42#define PIIX4_FUNC0_GENCFG			0xb0
43#define   PIIX4_FUNC0_GENCFG_SERIRQ			(1 << 16)
44
45/* IDE Timing */
46#define PIIX4_FUNC1_IDETIM_PRIMARY_LO		0x40
47#define PIIX4_FUNC1_IDETIM_PRIMARY_HI		0x41
48#define   PIIX4_FUNC1_IDETIM_PRIMARY_HI_IDE_DECODE_EN	(1 << 7)
49#define PIIX4_FUNC1_IDETIM_SECONDARY_LO		0x42
50#define PIIX4_FUNC1_IDETIM_SECONDARY_HI		0x43
51#define   PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN	(1 << 7)
52
53/* Power Management Configuration Space */
54#define PIIX4_FUNC3_PMBA			0x40
55#define PIIX4_FUNC3_PMREGMISC			0x80
56#define   PIIX4_FUNC3_PMREGMISC_EN			(1 << 0)
57
58/* Power Management IO Space */
59#define PIIX4_FUNC3IO_PMSTS			0x00
60#define   PIIX4_FUNC3IO_PMSTS_PWRBTN_STS		(1 << 8)
61#define PIIX4_FUNC3IO_PMCNTRL			0x04
62#define   PIIX4_FUNC3IO_PMCNTRL_SUS_EN			(1 << 13)
63#define   PIIX4_FUNC3IO_PMCNTRL_SUS_TYP			(0x7 << 10)
64#define   PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF		(0x0 << 10)
65#define   PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_STR		(0x1 << 10)
66
67/* Data for magic special PCI cycle */
68#define PIIX4_SUSPEND_MAGIC			0x00120002
69
70#endif /* __ASM_MIPS_BOARDS_PIIX4_H */
71