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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, 2002, 2003 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_SLOT_IRQ 9
#define COBALT_ETH0_IRQ 4
#define COBALT_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
/*
* Galileo chipset access macros for the Cobalt. The base address for
* the GT64111 chip is 0x14000000
*/
#define GT64111_BASE 0x04000000
#define GALILEO_REG(ofs) (GT64111_BASE + (ofs))
#define GALILEO_INL(port) (inl(GALILEO_REG(port)))
#define GALILEO_OUTL(val, port) outl(val, GALILEO_REG(port))
#define GALILEO_T0EXP 0x0100
#define GALILEO_ENTC0 0x01
#define GALILEO_SELTC0 0x02
#endif /* __ASM_MIPS_COBALT_H */