RDMA/nes: Fix MAC interrupt erroneously masked on ifdown
[linux-2.6] / arch / mips / cobalt / setup.c
1 /*
2  * Setup pointers to hardware dependent routines.
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) 1996, 1997, 2004, 05 by Ralf Baechle (ralf@linux-mips.org)
9  * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
10  *
11  */
12 #include <linux/init.h>
13 #include <linux/interrupt.h>
14 #include <linux/io.h>
15 #include <linux/ioport.h>
16 #include <linux/pm.h>
17
18 #include <asm/bootinfo.h>
19 #include <asm/reboot.h>
20 #include <asm/gt64120.h>
21
22 #include <cobalt.h>
23
24 extern void cobalt_machine_restart(char *command);
25 extern void cobalt_machine_halt(void);
26
27 const char *get_system_type(void)
28 {
29         switch (cobalt_board_id) {
30                 case COBALT_BRD_ID_QUBE1:
31                         return "Cobalt Qube";
32                 case COBALT_BRD_ID_RAQ1:
33                         return "Cobalt RaQ";
34                 case COBALT_BRD_ID_QUBE2:
35                         return "Cobalt Qube2";
36                 case COBALT_BRD_ID_RAQ2:
37                         return "Cobalt RaQ2";
38         }
39         return "MIPS Cobalt";
40 }
41
42 /*
43  * Cobalt doesn't have PS/2 keyboard/mouse interfaces,
44  * keyboard conntroller is never used.
45  * Also PCI-ISA bridge DMA contoroller is never used.
46  */
47 static struct resource cobalt_reserved_resources[] = {
48         {       /* dma1 */
49                 .start  = 0x00,
50                 .end    = 0x1f,
51                 .name   = "reserved",
52                 .flags  = IORESOURCE_BUSY | IORESOURCE_IO,
53         },
54         {       /* keyboard */
55                 .start  = 0x60,
56                 .end    = 0x6f,
57                 .name   = "reserved",
58                 .flags  = IORESOURCE_BUSY | IORESOURCE_IO,
59         },
60         {       /* dma page reg */
61                 .start  = 0x80,
62                 .end    = 0x8f,
63                 .name   = "reserved",
64                 .flags  = IORESOURCE_BUSY | IORESOURCE_IO,
65         },
66         {       /* dma2 */
67                 .start  = 0xc0,
68                 .end    = 0xdf,
69                 .name   = "reserved",
70                 .flags  = IORESOURCE_BUSY | IORESOURCE_IO,
71         },
72 };
73
74 void __init plat_mem_setup(void)
75 {
76         int i;
77
78         _machine_restart = cobalt_machine_restart;
79         _machine_halt = cobalt_machine_halt;
80         pm_power_off = cobalt_machine_halt;
81
82         set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));
83
84         /* I/O port resource must include LCD/buttons */
85         ioport_resource.end = 0x0fffffff;
86
87         /* These resources have been reserved by VIA SuperI/O chip. */
88         for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
89                 request_resource(&ioport_resource, cobalt_reserved_resources + i);
90 }
91
92 /*
93  * Prom init. We read our one and only communication with the firmware.
94  * Grab the amount of installed memory.
95  * Better boot loaders (CoLo) pass a command line too :-)
96  */
97
98 void __init prom_init(void)
99 {
100         int narg, indx, posn, nchr;
101         unsigned long memsz;
102         char **argv;
103
104         memsz = fw_arg0 & 0x7fff0000;
105         narg = fw_arg0 & 0x0000ffff;
106
107         if (narg) {
108                 arcs_cmdline[0] = '\0';
109                 argv = (char **) fw_arg1;
110                 posn = 0;
111                 for (indx = 1; indx < narg; ++indx) {
112                         nchr = strlen(argv[indx]);
113                         if (posn + 1 + nchr + 1 > sizeof(arcs_cmdline))
114                                 break;
115                         if (posn)
116                                 arcs_cmdline[posn++] = ' ';
117                         strcpy(arcs_cmdline + posn, argv[indx]);
118                         posn += nchr;
119                 }
120         }
121
122         add_memory_region(0x0, memsz, BOOT_MEM_RAM);
123 }
124
125 void __init prom_free_prom_memory(void)
126 {
127         /* Nothing to do! */
128 }