include/asm-mips/mach-cobalt/cobalt.h

   1 /*
   2  * Lowlevel hardware stuff for the MIPS based Cobalt microservers.
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 1997 Cobalt Microserver
   9  * Copyright (C) 1997, 2003 Ralf Baechle
  10  * Copyright (C) 2001, 2002, 2003 Liam Davies (ldavies@agile.tv)
  11  */
  12 #ifndef __ASM_COBALT_H
  13 #define __ASM_COBALT_H
  14
  15 /*
  16  * PCI configuration space manifest constants.  These are wired into
  17  * the board layout according to the PCI spec to enable the software
  18  * to probe the hardware configuration space in a well defined manner.
  19  *
  20  * The PCI_DEVSHFT() macro transforms these values into numbers
  21  * suitable for passing as the dev parameter to the various
  22  * pcibios_read/write_config routines.
  23  */
  24 #define COBALT_PCICONF_CPU      0x06
  25 #define COBALT_PCICONF_ETH0     0x07
  26 #define COBALT_PCICONF_RAQSCSI  0x08
  27 #define COBALT_PCICONF_VIA      0x09
  28 #define COBALT_PCICONF_PCISLOT  0x0A
  29 #define COBALT_PCICONF_ETH1     0x0C
  30
  31
  32 /*
  33  * The Cobalt board id information.  The boards have an ID number wired
  34  * into the VIA that is available in the high nibble of register 94.
  35  * This register is available in the VIA configuration space through the
  36  * interface routines qube_pcibios_read/write_config. See cobalt/pci.c
  37  */
  38 #define VIA_COBALT_BRD_ID_REG  0x94
  39 #define VIA_COBALT_BRD_REG_to_ID(reg)  ((unsigned char) (reg) >> 4)
  40 #define COBALT_BRD_ID_QUBE1    0x3
  41 #define COBALT_BRD_ID_RAQ1     0x4
  42 #define COBALT_BRD_ID_QUBE2    0x5
  43 #define COBALT_BRD_ID_RAQ2     0x6
  44
  45 extern int cobalt_board_id;
  46
  47 #define COBALT_LED_PORT         (*(volatile unsigned char *) CKSEG1ADDR(0x1c000000))
  48 # define COBALT_LED_BAR_LEFT    (1 << 0)        /* Qube */
  49 # define COBALT_LED_BAR_RIGHT   (1 << 1)        /* Qube */
  50 # define COBALT_LED_WEB         (1 << 2)        /* RaQ */
  51 # define COBALT_LED_POWER_OFF   (1 << 3)        /* RaQ */
  52 # define COBALT_LED_RESET       0x0f
  53
  54 #define COBALT_KEY_PORT         ((~*(volatile unsigned int *) CKSEG1ADDR(0x1d000000) >> 24) & COBALT_KEY_MASK)
  55 # define COBALT_KEY_CLEAR       (1 << 1)
  56 # define COBALT_KEY_LEFT        (1 << 2)
  57 # define COBALT_KEY_UP          (1 << 3)
  58 # define COBALT_KEY_DOWN        (1 << 4)
  59 # define COBALT_KEY_RIGHT       (1 << 5)
  60 # define COBALT_KEY_ENTER       (1 << 6)
  61 # define COBALT_KEY_SELECT      (1 << 7)
  62 # define COBALT_KEY_MASK        0xfe
  63
  64 #define COBALT_UART             ((volatile unsigned char *) CKSEG1ADDR(0x1c800000))
  65
  66 #endif /* __ASM_COBALT_H */