diff options
Diffstat (limited to 'arch/mips/jazz/setup.c')
-rw-r--r-- | arch/mips/jazz/setup.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c new file mode 100644 index 000000000000..fccb06fe209d --- /dev/null +++ b/arch/mips/jazz/setup.c | |||
@@ -0,0 +1,101 @@ | |||
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, 1998, 2001 by Ralf Baechle | ||
9 | * Copyright (C) 2001 MIPS Technologies, Inc. | ||
10 | */ | ||
11 | #include <linux/config.h> | ||
12 | #include <linux/eisa.h> | ||
13 | #include <linux/hdreg.h> | ||
14 | #include <linux/init.h> | ||
15 | #include <linux/ioport.h> | ||
16 | #include <linux/sched.h> | ||
17 | #include <linux/interrupt.h> | ||
18 | #include <linux/mm.h> | ||
19 | #include <linux/console.h> | ||
20 | #include <linux/fb.h> | ||
21 | #include <linux/ide.h> | ||
22 | #include <asm/bootinfo.h> | ||
23 | #include <asm/irq.h> | ||
24 | #include <asm/jazz.h> | ||
25 | #include <asm/jazzdma.h> | ||
26 | #include <asm/ptrace.h> | ||
27 | #include <asm/reboot.h> | ||
28 | #include <asm/io.h> | ||
29 | #include <asm/pgtable.h> | ||
30 | #include <asm/time.h> | ||
31 | #include <asm/traps.h> | ||
32 | |||
33 | extern asmlinkage void jazz_handle_int(void); | ||
34 | |||
35 | extern void jazz_machine_restart(char *command); | ||
36 | extern void jazz_machine_halt(void); | ||
37 | extern void jazz_machine_power_off(void); | ||
38 | |||
39 | static void __init jazz_time_init(struct irqaction *irq) | ||
40 | { | ||
41 | /* set the clock to 100 Hz */ | ||
42 | r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9); | ||
43 | setup_irq(JAZZ_TIMER_IRQ, irq); | ||
44 | } | ||
45 | |||
46 | static struct resource jazz_io_resources[] = { | ||
47 | { "dma1", 0x00, 0x1f, IORESOURCE_BUSY }, | ||
48 | { "timer", 0x40, 0x5f, IORESOURCE_BUSY }, | ||
49 | { "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY }, | ||
50 | { "dma2", 0xc0, 0xdf, IORESOURCE_BUSY }, | ||
51 | }; | ||
52 | |||
53 | static void __init jazz_setup(void) | ||
54 | { | ||
55 | int i; | ||
56 | |||
57 | /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ | ||
58 | add_wired_entry (0x02000017, 0x03c00017, 0xe0000000, PM_64K); | ||
59 | |||
60 | /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ | ||
61 | add_wired_entry (0x02400017, 0x02440017, 0xe2000000, PM_16M); | ||
62 | |||
63 | /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ | ||
64 | add_wired_entry (0x01800017, 0x01000017, 0xe4000000, PM_4M); | ||
65 | |||
66 | set_io_port_base(JAZZ_PORT_BASE); | ||
67 | #ifdef CONFIG_EISA | ||
68 | if (mips_machtype == MACH_MIPS_MAGNUM_4000) | ||
69 | EISA_bus = 1; | ||
70 | #endif | ||
71 | isa_slot_offset = 0xe3000000; | ||
72 | |||
73 | /* request I/O space for devices used on all i[345]86 PCs */ | ||
74 | for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) | ||
75 | request_resource(&ioport_resource, jazz_io_resources + i); | ||
76 | |||
77 | board_timer_setup = jazz_time_init; | ||
78 | /* The RTC is outside the port address space */ | ||
79 | |||
80 | _machine_restart = jazz_machine_restart; | ||
81 | _machine_halt = jazz_machine_halt; | ||
82 | _machine_power_off = jazz_machine_power_off; | ||
83 | |||
84 | #warning "Somebody should check if screen_info is ok for Jazz." | ||
85 | |||
86 | screen_info = (struct screen_info) { | ||
87 | 0, 0, /* orig-x, orig-y */ | ||
88 | 0, /* unused */ | ||
89 | 0, /* orig_video_page */ | ||
90 | 0, /* orig_video_mode */ | ||
91 | 160, /* orig_video_cols */ | ||
92 | 0, 0, 0, /* unused, ega_bx, unused */ | ||
93 | 64, /* orig_video_lines */ | ||
94 | 0, /* orig_video_isVGA */ | ||
95 | 16 /* orig_video_points */ | ||
96 | }; | ||
97 | |||
98 | vdma_init(); | ||
99 | } | ||
100 | |||
101 | early_initcall(jazz_setup); | ||