| /* |
| * 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 */ |