2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
4 * Copyright (C) 2013 Imagination Technologies Ltd.
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.
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
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.
19 * Register definitions for Intel PIIX4 South Bridge Device.
21 #ifndef __ASM_MIPS_BOARDS_PIIX4_H
22 #define __ASM_MIPS_BOARDS_PIIX4_H
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
30 #define PIIX4_FUNC0_TOM 0x69
31 #define PIIX4_FUNC0_TOM_TOP_OF_MEMORY_MASK 0xf0
32 /* Deterministic Latency Control */
33 #define PIIX4_FUNC0_DLC 0x82
34 #define PIIX4_FUNC0_DLC_USBPR_EN (1 << 2)
35 #define PIIX4_FUNC0_DLC_PASSIVE_RELEASE_EN (1 << 1)
36 #define PIIX4_FUNC0_DLC_DELAYED_TRANSACTION_EN (1 << 0)
39 #define PIIX4_FUNC1_IDETIM_PRIMARY_LO 0x40
40 #define PIIX4_FUNC1_IDETIM_PRIMARY_HI 0x41
41 #define PIIX4_FUNC1_IDETIM_PRIMARY_HI_IDE_DECODE_EN (1 << 7)
42 #define PIIX4_FUNC1_IDETIM_SECONDARY_LO 0x42
43 #define PIIX4_FUNC1_IDETIM_SECONDARY_HI 0x43
44 #define PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN (1 << 7)
46 #endif /* __ASM_MIPS_BOARDS_PIIX4_H */