/* SPDX-License-Identifier: GPL-2.0-only */ /* * Carsten Langgaard, carstenl@mips.com * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. * Copyright (C) 2013 Imagination Technologies Ltd. * * 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 */