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Diffstat (limited to 'arch/mips/include/asm/mips-boards/piix4.h')
| -rw-r--r-- | arch/mips/include/asm/mips-boards/piix4.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mips-boards/piix4.h b/arch/mips/include/asm/mips-boards/piix4.h new file mode 100644 index 0000000..2971d60 --- /dev/null +++ b/arch/mips/include/asm/mips-boards/piix4.h @@ -0,0 +1,80 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * 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 + +/************************************************************************ + * IO register offsets + ************************************************************************/ +#define PIIX4_ICTLR1_ICW1 0x20 +#define PIIX4_ICTLR1_ICW2 0x21 +#define PIIX4_ICTLR1_ICW3 0x21 +#define PIIX4_ICTLR1_ICW4 0x21 +#define PIIX4_ICTLR2_ICW1 0xa0 +#define PIIX4_ICTLR2_ICW2 0xa1 +#define PIIX4_ICTLR2_ICW3 0xa1 +#define PIIX4_ICTLR2_ICW4 0xa1 +#define PIIX4_ICTLR1_OCW1 0x21 +#define PIIX4_ICTLR1_OCW2 0x20 +#define PIIX4_ICTLR1_OCW3 0x20 +#define PIIX4_ICTLR1_OCW4 0x20 +#define PIIX4_ICTLR2_OCW1 0xa1 +#define PIIX4_ICTLR2_OCW2 0xa0 +#define PIIX4_ICTLR2_OCW3 0xa0 +#define PIIX4_ICTLR2_OCW4 0xa0 + + +/************************************************************************ + * Register encodings. + ************************************************************************/ +#define PIIX4_OCW2_NSEOI (0x1 << 5) +#define PIIX4_OCW2_SEOI (0x3 << 5) +#define PIIX4_OCW2_RNSEOI (0x5 << 5) +#define PIIX4_OCW2_RAEOIS (0x4 << 5) +#define PIIX4_OCW2_RAEOIC (0x0 << 5) +#define PIIX4_OCW2_RSEOI (0x7 << 5) +#define PIIX4_OCW2_SP (0x6 << 5) +#define PIIX4_OCW2_NOP (0x2 << 5) + +#define PIIX4_OCW2_SEL (0x0 << 3) + +#define PIIX4_OCW2_ILS_0 0 +#define PIIX4_OCW2_ILS_1 1 +#define PIIX4_OCW2_ILS_2 2 +#define PIIX4_OCW2_ILS_3 3 +#define PIIX4_OCW2_ILS_4 4 +#define PIIX4_OCW2_ILS_5 5 +#define PIIX4_OCW2_ILS_6 6 +#define PIIX4_OCW2_ILS_7 7 +#define PIIX4_OCW2_ILS_8 0 +#define PIIX4_OCW2_ILS_9 1 +#define PIIX4_OCW2_ILS_10 2 +#define PIIX4_OCW2_ILS_11 3 +#define PIIX4_OCW2_ILS_12 4 +#define PIIX4_OCW2_ILS_13 5 +#define PIIX4_OCW2_ILS_14 6 +#define PIIX4_OCW2_ILS_15 7 + +#define PIIX4_OCW3_SEL (0x1 << 3) + +#define PIIX4_OCW3_IRR 0x2 +#define PIIX4_OCW3_ISR 0x3 + +#endif /* __ASM_MIPS_BOARDS_PIIX4_H */ |