59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Carsten Langgaard, carstenl@mips.com
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* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
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* Copyright (C) 2013 Imagination Technologies Ltd.
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*
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* Register definitions for Intel PIIX4 South Bridge Device.
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*/
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#ifndef __ASM_MIPS_BOARDS_PIIX4_H
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#define __ASM_MIPS_BOARDS_PIIX4_H
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/* PIRQX Route Control */
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#define PIIX4_FUNC0_PIRQRC 0x60
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#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_DISABLE (1 << 7)
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#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MASK 0xf
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#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MAX 16
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/* SERIRQ Control */
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#define PIIX4_FUNC0_SERIRQC 0x64
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#define PIIX4_FUNC0_SERIRQC_EN (1 << 7)
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#define PIIX4_FUNC0_SERIRQC_CONT (1 << 6)
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/* Top Of Memory */
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#define PIIX4_FUNC0_TOM 0x69
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#define PIIX4_FUNC0_TOM_TOP_OF_MEMORY_MASK 0xf0
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/* Deterministic Latency Control */
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#define PIIX4_FUNC0_DLC 0x82
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#define PIIX4_FUNC0_DLC_USBPR_EN (1 << 2)
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#define PIIX4_FUNC0_DLC_PASSIVE_RELEASE_EN (1 << 1)
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#define PIIX4_FUNC0_DLC_DELAYED_TRANSACTION_EN (1 << 0)
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/* General Configuration */
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#define PIIX4_FUNC0_GENCFG 0xb0
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#define PIIX4_FUNC0_GENCFG_SERIRQ (1 << 16)
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/* IDE Timing */
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#define PIIX4_FUNC1_IDETIM_PRIMARY_LO 0x40
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#define PIIX4_FUNC1_IDETIM_PRIMARY_HI 0x41
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#define PIIX4_FUNC1_IDETIM_PRIMARY_HI_IDE_DECODE_EN (1 << 7)
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#define PIIX4_FUNC1_IDETIM_SECONDARY_LO 0x42
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#define PIIX4_FUNC1_IDETIM_SECONDARY_HI 0x43
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#define PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN (1 << 7)
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/* Power Management Configuration Space */
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#define PIIX4_FUNC3_PMBA 0x40
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#define PIIX4_FUNC3_PMREGMISC 0x80
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#define PIIX4_FUNC3_PMREGMISC_EN (1 << 0)
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/* Power Management IO Space */
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#define PIIX4_FUNC3IO_PMSTS 0x00
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#define PIIX4_FUNC3IO_PMSTS_PWRBTN_STS (1 << 8)
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#define PIIX4_FUNC3IO_PMCNTRL 0x04
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#define PIIX4_FUNC3IO_PMCNTRL_SUS_EN (1 << 13)
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#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP (0x7 << 10)
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#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF (0x0 << 10)
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#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_STR (0x1 << 10)
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/* Data for magic special PCI cycle */
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#define PIIX4_SUSPEND_MAGIC 0x00120002
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#endif /* __ASM_MIPS_BOARDS_PIIX4_H */
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