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[linux-2.6] / arch / mips / jazz / 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, 1998, 2001, 07 by Ralf Baechle
9  * Copyright (C) 2001 MIPS Technologies, Inc.
10  * Copyright (C) 2007 by Thomas Bogendoerfer
11  */
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 <linux/pm.h>
23 #include <linux/screen_info.h>
24 #include <linux/platform_device.h>
25 #include <linux/serial_8250.h>
26
27 #include <asm/bootinfo.h>
28 #include <asm/irq.h>
29 #include <asm/jazz.h>
30 #include <asm/jazzdma.h>
31 #include <asm/reboot.h>
32 #include <asm/io.h>
33 #include <asm/pgtable.h>
34 #include <asm/time.h>
35 #include <asm/traps.h>
36 #include <asm/mc146818-time.h>
37
38 extern asmlinkage void jazz_handle_int(void);
39
40 extern void jazz_machine_restart(char *command);
41
42 static struct resource jazz_io_resources[] = {
43         {
44                 .start  = 0x00,
45                 .end    = 0x1f,
46                 .name   = "dma1",
47                 .flags  = IORESOURCE_BUSY
48         }, {
49                 .start  = 0x40,
50                 .end    = 0x5f,
51                 .name   = "timer",
52                 .flags  = IORESOURCE_BUSY
53         }, {
54                 .start  = 0x80,
55                 .end    = 0x8f,
56                 .name   = "dma page reg",
57                 .flags  = IORESOURCE_BUSY
58         }, {
59                 .start  = 0xc0,
60                 .end    = 0xdf,
61                 .name   = "dma2",
62                 .flags  = IORESOURCE_BUSY
63         }
64 };
65
66 void __init plat_mem_setup(void)
67 {
68         int i;
69
70         /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
71         add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
72         /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
73         add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
74         /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
75         add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
76
77         set_io_port_base(JAZZ_PORT_BASE);
78 #ifdef CONFIG_EISA
79         EISA_bus = 1;
80 #endif
81
82         /* request I/O space for devices used on all i[345]86 PCs */
83         for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
84                 request_resource(&ioport_resource, jazz_io_resources + i);
85
86         /* The RTC is outside the port address space */
87
88         _machine_restart = jazz_machine_restart;
89
90 #ifdef CONFIG_VT
91         screen_info = (struct screen_info) {
92                 0, 0,           /* orig-x, orig-y */
93                 0,              /* unused */
94                 0,              /* orig_video_page */
95                 0,              /* orig_video_mode */
96                 160,            /* orig_video_cols */
97                 0, 0, 0,        /* unused, ega_bx, unused */
98                 64,             /* orig_video_lines */
99                 0,              /* orig_video_isVGA */
100                 16              /* orig_video_points */
101         };
102 #endif
103
104         add_preferred_console("ttyS", 0, "9600");
105 }
106
107 #ifdef CONFIG_OLIVETTI_M700
108 #define UART_CLK  1843200
109 #else
110 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
111    exactly which ones ... XXX */
112 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
113 #endif
114
115 #define MEMPORT(_base, _irq)                            \
116         {                                               \
117                 .mapbase        = (_base),              \
118                 .membase        = (void *)(_base),      \
119                 .irq            = (_irq),               \
120                 .uartclk        = UART_CLK,             \
121                 .iotype         = UPIO_MEM,             \
122                 .flags          = UPF_BOOT_AUTOCONF,    \
123         }
124
125 static struct plat_serial8250_port jazz_serial_data[] = {
126         MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
127         MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
128         { },
129 };
130
131 static struct platform_device jazz_serial8250_device = {
132         .name                   = "serial8250",
133         .id                     = PLAT8250_DEV_PLATFORM,
134         .dev                    = {
135                 .platform_data  = jazz_serial_data,
136         },
137 };
138
139 static struct resource jazz_esp_rsrc[] = {
140         {
141                 .start = JAZZ_SCSI_BASE,
142                 .end   = JAZZ_SCSI_BASE + 31,
143                 .flags = IORESOURCE_MEM
144         },
145         {
146                 .start = JAZZ_SCSI_DMA,
147                 .end   = JAZZ_SCSI_DMA,
148                 .flags = IORESOURCE_MEM
149         },
150         {
151                 .start = JAZZ_SCSI_IRQ,
152                 .end   = JAZZ_SCSI_IRQ,
153                 .flags = IORESOURCE_IRQ
154         }
155 };
156
157 static struct platform_device jazz_esp_pdev = {
158         .name           = "jazz_esp",
159         .num_resources  = ARRAY_SIZE(jazz_esp_rsrc),
160         .resource       = jazz_esp_rsrc
161 };
162
163 static struct resource jazz_sonic_rsrc[] = {
164         {
165                 .start = JAZZ_ETHERNET_BASE,
166                 .end   = JAZZ_ETHERNET_BASE + 0xff,
167                 .flags = IORESOURCE_MEM
168         },
169         {
170                 .start = JAZZ_ETHERNET_IRQ,
171                 .end   = JAZZ_ETHERNET_IRQ,
172                 .flags = IORESOURCE_IRQ
173         }
174 };
175
176 static struct platform_device jazz_sonic_pdev = {
177         .name           = "jazzsonic",
178         .num_resources  = ARRAY_SIZE(jazz_sonic_rsrc),
179         .resource       = jazz_sonic_rsrc
180 };
181
182 static struct resource jazz_cmos_rsrc[] = {
183         {
184                 .start = 0x70,
185                 .end   = 0x71,
186                 .flags = IORESOURCE_IO
187         },
188         {
189                 .start = 8,
190                 .end   = 8,
191                 .flags = IORESOURCE_IRQ
192         }
193 };
194
195 static struct platform_device jazz_cmos_pdev = {
196         .name           = "rtc_cmos",
197         .num_resources  = ARRAY_SIZE(jazz_cmos_rsrc),
198         .resource       = jazz_cmos_rsrc
199 };
200
201 static struct platform_device pcspeaker_pdev = {
202         .name           = "pcspkr",
203         .id             = -1,
204 };
205
206 static int __init jazz_setup_devinit(void)
207 {
208         platform_device_register(&jazz_serial8250_device);
209         platform_device_register(&jazz_esp_pdev);
210         platform_device_register(&jazz_sonic_pdev);
211         platform_device_register(&jazz_cmos_pdev);
212         platform_device_register(&pcspeaker_pdev);
213
214         return 0;
215 }
216
217 device_initcall(jazz_setup_devinit);