piix4.h
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/*
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
* Copyright (C) 2013 Imagination Technologies Ltd.
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Register definitions for Intel PIIX4 South Bridge Device.
*/
#ifndef __ASM_MIPS_BOARDS_PIIX4_H
#define __ASM_MIPS_BOARDS_PIIX4_H
/* PIRQX Route Control */
#define PIIX4_FUNC0_PIRQRC 0x60
#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_DISABLE (1 << 7)
#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MASK 0xf
#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MAX 16
/* SERIRQ Control */
#define PIIX4_FUNC0_SERIRQC 0x64
#define PIIX4_FUNC0_SERIRQC_EN (1 << 7)
#define PIIX4_FUNC0_SERIRQC_CONT (1 << 6)
/* Top Of Memory */
#define PIIX4_FUNC0_TOM 0x69
#define PIIX4_FUNC0_TOM_TOP_OF_MEMORY_MASK 0xf0
/* Deterministic Latency Control */
#define PIIX4_FUNC0_DLC 0x82
#define PIIX4_FUNC0_DLC_USBPR_EN (1 << 2)
#define PIIX4_FUNC0_DLC_PASSIVE_RELEASE_EN (1 << 1)
#define PIIX4_FUNC0_DLC_DELAYED_TRANSACTION_EN (1 << 0)
/* General Configuration */
#define PIIX4_FUNC0_GENCFG 0xb0
#define PIIX4_FUNC0_GENCFG_SERIRQ (1 << 16)
/* IDE Timing */
#define PIIX4_FUNC1_IDETIM_PRIMARY_LO 0x40
#define PIIX4_FUNC1_IDETIM_PRIMARY_HI 0x41
#define PIIX4_FUNC1_IDETIM_PRIMARY_HI_IDE_DECODE_EN (1 << 7)
#define PIIX4_FUNC1_IDETIM_SECONDARY_LO 0x42
#define PIIX4_FUNC1_IDETIM_SECONDARY_HI 0x43
#define PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN (1 << 7)
/* Power Management Configuration Space */
#define PIIX4_FUNC3_PMBA 0x40
#define PIIX4_FUNC3_PMREGMISC 0x80
#define PIIX4_FUNC3_PMREGMISC_EN (1 << 0)
/* Power Management IO Space */
#define PIIX4_FUNC3IO_PMSTS 0x00
#define PIIX4_FUNC3IO_PMSTS_PWRBTN_STS (1 << 8)
#define PIIX4_FUNC3IO_PMCNTRL 0x04
#define PIIX4_FUNC3IO_PMCNTRL_SUS_EN (1 << 13)
#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP (0x7 << 10)
#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF (0x0 << 10)
#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_STR (0x1 << 10)
/* Data for magic special PCI cycle */
#define PIIX4_SUSPEND_MAGIC 0x00120002
#endif /* __ASM_MIPS_BOARDS_PIIX4_H */