cobalt.h
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- /*
- * Lowlevel hardware stuff for the MIPS based Cobalt microservers.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1997 Cobalt Microserver
- * Copyright (C) 1997 Ralf Baechle
- * Copyright (C) 2001 Liam Davies (ldavies@agile.tv)
- *
- */
- #ifndef __ASM_MIPS_COBALT_H
- #define __ASM_MIPS_COBALT_H
- /*
- * COBALT interrupt enable bits
- */
- #define COBALT_IE_PCI (1 << 0)
- #define COBALT_IE_FLOPPY (1 << 1)
- #define COBALT_IE_KEYBOARD (1 << 2)
- #define COBALT_IE_SERIAL1 (1 << 3)
- #define COBALT_IE_SERIAL2 (1 << 4)
- #define COBALT_IE_PARALLEL (1 << 5)
- #define COBALT_IE_GPIO (1 << 6)
- #define COBALT_IE_RTC (1 << 7)
- /*
- * PCI defines
- */
- #define COBALT_IE_ETHERNET (1 << 7)
- #define COBALT_IE_SCSI (1 << 7)
- /*
- * COBALT Interrupt Level definitions.
- * These should match the request IRQ id's.
- */
- #define COBALT_TIMER_IRQ 0
- #define COBALT_KEYBOARD_IRQ 1
- #define COBALT_QUBE_ETH_IRQ 13
- #define COBALT_QUBE_SLOT_IRQ 9
- #define COBALT_RAQ_ETH0_IRQ 4
- #define COBALT_RAQ_ETH1_IRQ 13
- #define COBALT_SCC_IRQ 4
- #define COBALT_SERIAL2_IRQ 4
- #define COBALT_PARALLEL_IRQ 5
- #define COBALT_FLOPPY_IRQ 6 /* needs to be consistent with floppy driver! */
- #define COBALT_SCSI_IRQ 7
- #define COBALT_SERIAL_IRQ 7
- #define COBALT_RAQ_SCSI_IRQ 4
- /*
- * PCI configuration space manifest constants. These are wired into
- * the board layout according to the PCI spec to enable the software
- * to probe the hardware configuration space in a well defined manner.
- *
- * The PCI_DEVSHFT() macro transforms these values into numbers
- * suitable for passing as the dev parameter to the various
- * pcibios_read/write_config routines.
- */
- #define COBALT_PCICONF_CPU 0x06
- #define COBALT_PCICONF_ETH0 0x07
- #define COBALT_PCICONF_RAQSCSI 0x08
- #define COBALT_PCICONF_VIA 0x09
- #define COBALT_PCICONF_PCISLOT 0x0A
- #define COBALT_PCICONF_ETH1 0x0C
- /*
- * The Cobalt board id information. The boards have an ID number wired
- * into the VIA that is available in the high nibble of register 94.
- * This register is available in the VIA configuration space through the
- * interface routines qube_pcibios_read/write_config. See cobalt/pci.c
- */
- #define VIA_COBALT_BRD_ID_REG 0x94
- #define VIA_COBALT_BRD_REG_to_ID(reg) ((unsigned char) (reg) >> 4)
- #define COBALT_BRD_ID_QUBE1 0x3
- #define COBALT_BRD_ID_RAQ1 0x4
- #define COBALT_BRD_ID_QUBE2 0x5
- #define COBALT_BRD_ID_RAQ2 0x6
- #endif /* __ASM_MIPS_COBALT_H */