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1da177e4 LT |
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 | */ | |
1da177e4 LT |
11 | #include <linux/eisa.h> |
12 | #include <linux/hdreg.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/ioport.h> | |
15 | #include <linux/sched.h> | |
16 | #include <linux/interrupt.h> | |
17 | #include <linux/mm.h> | |
18 | #include <linux/console.h> | |
19 | #include <linux/fb.h> | |
20 | #include <linux/ide.h> | |
fcdb27ad | 21 | #include <linux/pm.h> |
06e80113 | 22 | #include <linux/screen_info.h> |
fcdb27ad | 23 | |
1da177e4 LT |
24 | #include <asm/bootinfo.h> |
25 | #include <asm/irq.h> | |
26 | #include <asm/jazz.h> | |
27 | #include <asm/jazzdma.h> | |
1da177e4 LT |
28 | #include <asm/reboot.h> |
29 | #include <asm/io.h> | |
30 | #include <asm/pgtable.h> | |
31 | #include <asm/time.h> | |
32 | #include <asm/traps.h> | |
33 | ||
34 | extern asmlinkage void jazz_handle_int(void); | |
35 | ||
36 | extern void jazz_machine_restart(char *command); | |
1da177e4 | 37 | |
ea574283 | 38 | void __init plat_timer_setup(struct irqaction *irq) |
1da177e4 LT |
39 | { |
40 | /* set the clock to 100 Hz */ | |
41 | r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9); | |
42 | setup_irq(JAZZ_TIMER_IRQ, irq); | |
43 | } | |
44 | ||
45 | static struct resource jazz_io_resources[] = { | |
2cf69e76 RB |
46 | { |
47 | .start = 0x00, | |
48 | .end = 0x1f, | |
49 | .name = "dma1", | |
50 | .flags = IORESOURCE_BUSY | |
51 | }, { | |
52 | .start = 0x40, | |
53 | .end = 0x5f, | |
54 | .name = "timer", | |
5da44ad5 | 55 | .flags = IORESOURCE_BUSY |
2cf69e76 RB |
56 | }, { |
57 | .start = 0x80, | |
58 | .end = 0x8f, | |
59 | .name = "dma page reg", | |
60 | .flags = IORESOURCE_BUSY | |
61 | }, { | |
62 | .start = 0xc0, | |
63 | .end = 0xdf, | |
64 | .name = "dma2", | |
65 | .flags = IORESOURCE_BUSY | |
66 | } | |
1da177e4 LT |
67 | }; |
68 | ||
2925aba4 | 69 | void __init plat_mem_setup(void) |
1da177e4 LT |
70 | { |
71 | int i; | |
72 | ||
73 | /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ | |
74 | add_wired_entry (0x02000017, 0x03c00017, 0xe0000000, PM_64K); | |
75 | ||
76 | /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ | |
77 | add_wired_entry (0x02400017, 0x02440017, 0xe2000000, PM_16M); | |
78 | ||
79 | /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ | |
80 | add_wired_entry (0x01800017, 0x01000017, 0xe4000000, PM_4M); | |
81 | ||
82 | set_io_port_base(JAZZ_PORT_BASE); | |
83 | #ifdef CONFIG_EISA | |
84 | if (mips_machtype == MACH_MIPS_MAGNUM_4000) | |
85 | EISA_bus = 1; | |
86 | #endif | |
87 | isa_slot_offset = 0xe3000000; | |
88 | ||
89 | /* request I/O space for devices used on all i[345]86 PCs */ | |
90 | for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) | |
91 | request_resource(&ioport_resource, jazz_io_resources + i); | |
92 | ||
1da177e4 LT |
93 | /* The RTC is outside the port address space */ |
94 | ||
95 | _machine_restart = jazz_machine_restart; | |
1da177e4 | 96 | |
1da177e4 LT |
97 | screen_info = (struct screen_info) { |
98 | 0, 0, /* orig-x, orig-y */ | |
99 | 0, /* unused */ | |
100 | 0, /* orig_video_page */ | |
101 | 0, /* orig_video_mode */ | |
102 | 160, /* orig_video_cols */ | |
103 | 0, 0, 0, /* unused, ega_bx, unused */ | |
104 | 64, /* orig_video_lines */ | |
105 | 0, /* orig_video_isVGA */ | |
106 | 16 /* orig_video_points */ | |
107 | }; | |
108 | ||
109 | vdma_init(); | |
110 | } |