2 * Lowlevel hardware stuff for the MIPS based Cobalt microservers.
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
8 * Copyright (C) 1997 Cobalt Microserver
9 * Copyright (C) 1997, 2003 Ralf Baechle
10 * Copyright (C) 2001, 2002, 2003 Liam Davies (ldavies@agile.tv)
12 #ifndef __ASM_COBALT_H
13 #define __ASM_COBALT_H
18 * i8259 legacy interrupts used on Cobalt:
25 #define COBALT_QUBE_SLOT_IRQ 9
28 * CPU IRQs are 16 ... 23
30 #define COBALT_CPU_IRQ MIPS_CPU_IRQ_BASE
32 #define COBALT_GALILEO_IRQ (COBALT_CPU_IRQ + 2)
33 #define COBALT_SCC_IRQ (COBALT_CPU_IRQ + 3) /* pre-production has 85C30 */
34 #define COBALT_RAQ_SCSI_IRQ (COBALT_CPU_IRQ + 3)
35 #define COBALT_ETH0_IRQ (COBALT_CPU_IRQ + 3)
36 #define COBALT_QUBE1_ETH0_IRQ (COBALT_CPU_IRQ + 4)
37 #define COBALT_ETH1_IRQ (COBALT_CPU_IRQ + 4)
38 #define COBALT_SERIAL_IRQ (COBALT_CPU_IRQ + 5)
39 #define COBALT_SCSI_IRQ (COBALT_CPU_IRQ + 5)
40 #define COBALT_VIA_IRQ (COBALT_CPU_IRQ + 6) /* Chained to VIA ISA bridge */
43 * PCI configuration space manifest constants. These are wired into
44 * the board layout according to the PCI spec to enable the software
45 * to probe the hardware configuration space in a well defined manner.
47 * The PCI_DEVSHFT() macro transforms these values into numbers
48 * suitable for passing as the dev parameter to the various
49 * pcibios_read/write_config routines.
51 #define COBALT_PCICONF_CPU 0x06
52 #define COBALT_PCICONF_ETH0 0x07
53 #define COBALT_PCICONF_RAQSCSI 0x08
54 #define COBALT_PCICONF_VIA 0x09
55 #define COBALT_PCICONF_PCISLOT 0x0A
56 #define COBALT_PCICONF_ETH1 0x0C
60 * The Cobalt board id information. The boards have an ID number wired
61 * into the VIA that is available in the high nibble of register 94.
62 * This register is available in the VIA configuration space through the
63 * interface routines qube_pcibios_read/write_config. See cobalt/pci.c
65 #define VIA_COBALT_BRD_ID_REG 0x94
66 #define VIA_COBALT_BRD_REG_to_ID(reg) ((unsigned char) (reg) >> 4)
67 #define COBALT_BRD_ID_QUBE1 0x3
68 #define COBALT_BRD_ID_RAQ1 0x4
69 #define COBALT_BRD_ID_QUBE2 0x5
70 #define COBALT_BRD_ID_RAQ2 0x6
72 extern int cobalt_board_id;
74 #define PCI_CFG_SET(devfn,where) \
75 GT_WRITE(GT_PCI0_CFGADDR_OFS, (0x80000000 | (PCI_SLOT (devfn) << 11) | \
76 (PCI_FUNC (devfn) << 8) | (where)))
78 #define COBALT_LED_PORT (*(volatile unsigned char *) CKSEG1ADDR(0x1c000000))
79 # define COBALT_LED_BAR_LEFT (1 << 0) /* Qube */
80 # define COBALT_LED_BAR_RIGHT (1 << 1) /* Qube */
81 # define COBALT_LED_WEB (1 << 2) /* RaQ */
82 # define COBALT_LED_POWER_OFF (1 << 3) /* RaQ */
83 # define COBALT_LED_RESET 0x0f
85 #define COBALT_KEY_PORT ((~*(volatile unsigned int *) CKSEG1ADDR(0x1d000000) >> 24) & COBALT_KEY_MASK)
86 # define COBALT_KEY_CLEAR (1 << 1)
87 # define COBALT_KEY_LEFT (1 << 2)
88 # define COBALT_KEY_UP (1 << 3)
89 # define COBALT_KEY_DOWN (1 << 4)
90 # define COBALT_KEY_RIGHT (1 << 5)
91 # define COBALT_KEY_ENTER (1 << 6)
92 # define COBALT_KEY_SELECT (1 << 7)
93 # define COBALT_KEY_MASK 0xfe
95 #define COBALT_UART ((volatile unsigned char *) CKSEG1ADDR(0x1c800000))
97 #endif /* __ASM_COBALT_H */