sfc: Stop the TX queues during loopback self-tests
[linux-2.6.git] / 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, 08 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/init.h>
14 #include <linux/ioport.h>
15 #include <linux/console.h>
16 #include <linux/screen_info.h>
17 #include <linux/platform_device.h>
18 #include <linux/serial_8250.h>
19
20 #include <asm/jazz.h>
21 #include <asm/jazzdma.h>
22 #include <asm/reboot.h>
23 #include <asm/pgtable.h>
24
25 extern asmlinkage void jazz_handle_int(void);
26
27 extern void jazz_machine_restart(char *command);
28
29 static struct resource jazz_io_resources[] = {
30         {
31                 .start  = 0x00,
32                 .end    = 0x1f,
33                 .name   = "dma1",
34                 .flags  = IORESOURCE_BUSY
35         }, {
36                 .start  = 0x40,
37                 .end    = 0x5f,
38                 .name   = "timer",
39                 .flags  = IORESOURCE_BUSY
40         }, {
41                 .start  = 0x80,
42                 .end    = 0x8f,
43                 .name   = "dma page reg",
44                 .flags  = IORESOURCE_BUSY
45         }, {
46                 .start  = 0xc0,
47                 .end    = 0xdf,
48                 .name   = "dma2",
49                 .flags  = IORESOURCE_BUSY
50         }
51 };
52
53 void __init plat_mem_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         /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
60         add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
61         /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
62         add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
63
64         set_io_port_base(JAZZ_PORT_BASE);
65 #ifdef CONFIG_EISA
66         EISA_bus = 1;
67 #endif
68
69         /* request I/O space for devices used on all i[345]86 PCs */
70         for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
71                 request_resource(&ioport_resource, jazz_io_resources + i);
72
73         /* The RTC is outside the port address space */
74
75         _machine_restart = jazz_machine_restart;
76
77 #ifdef CONFIG_VT
78         screen_info = (struct screen_info) {
79                 .orig_video_cols        = 160,
80                 .orig_video_lines       = 64,
81                 .orig_video_points      = 16,
82         };
83 #endif
84
85         add_preferred_console("ttyS", 0, "9600");
86 }
87
88 #ifdef CONFIG_OLIVETTI_M700
89 #define UART_CLK  1843200
90 #else
91 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
92    exactly which ones ... XXX */
93 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
94 #endif
95
96 #define MEMPORT(_base, _irq)                            \
97         {                                               \
98                 .mapbase        = (_base),              \
99                 .membase        = (void *)(_base),      \
100                 .irq            = (_irq),               \
101                 .uartclk        = UART_CLK,             \
102                 .iotype         = UPIO_MEM,             \
103                 .flags          = UPF_BOOT_AUTOCONF,    \
104         }
105
106 static struct plat_serial8250_port jazz_serial_data[] = {
107         MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
108         MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
109         { },
110 };
111
112 static struct platform_device jazz_serial8250_device = {
113         .name                   = "serial8250",
114         .id                     = PLAT8250_DEV_PLATFORM,
115         .dev                    = {
116                 .platform_data  = jazz_serial_data,
117         },
118 };
119
120 static struct resource jazz_esp_rsrc[] = {
121         {
122                 .start = JAZZ_SCSI_BASE,
123                 .end   = JAZZ_SCSI_BASE + 31,
124                 .flags = IORESOURCE_MEM
125         },
126         {
127                 .start = JAZZ_SCSI_DMA,
128                 .end   = JAZZ_SCSI_DMA,
129                 .flags = IORESOURCE_MEM
130         },
131         {
132                 .start = JAZZ_SCSI_IRQ,
133                 .end   = JAZZ_SCSI_IRQ,
134                 .flags = IORESOURCE_IRQ
135         }
136 };
137
138 static struct platform_device jazz_esp_pdev = {
139         .name           = "jazz_esp",
140         .num_resources  = ARRAY_SIZE(jazz_esp_rsrc),
141         .resource       = jazz_esp_rsrc
142 };
143
144 static struct resource jazz_sonic_rsrc[] = {
145         {
146                 .start = JAZZ_ETHERNET_BASE,
147                 .end   = JAZZ_ETHERNET_BASE + 0xff,
148                 .flags = IORESOURCE_MEM
149         },
150         {
151                 .start = JAZZ_ETHERNET_IRQ,
152                 .end   = JAZZ_ETHERNET_IRQ,
153                 .flags = IORESOURCE_IRQ
154         }
155 };
156
157 static struct platform_device jazz_sonic_pdev = {
158         .name           = "jazzsonic",
159         .num_resources  = ARRAY_SIZE(jazz_sonic_rsrc),
160         .resource       = jazz_sonic_rsrc
161 };
162
163 static struct resource jazz_cmos_rsrc[] = {
164         {
165                 .start = 0x70,
166                 .end   = 0x71,
167                 .flags = IORESOURCE_IO
168         },
169         {
170                 .start = 8,
171                 .end   = 8,
172                 .flags = IORESOURCE_IRQ
173         }
174 };
175
176 static struct platform_device jazz_cmos_pdev = {
177         .name           = "rtc_cmos",
178         .num_resources  = ARRAY_SIZE(jazz_cmos_rsrc),
179         .resource       = jazz_cmos_rsrc
180 };
181
182 static struct platform_device pcspeaker_pdev = {
183         .name           = "pcspkr",
184         .id             = -1,
185 };
186
187 static int __init jazz_setup_devinit(void)
188 {
189         platform_device_register(&jazz_serial8250_device);
190         platform_device_register(&jazz_esp_pdev);
191         platform_device_register(&jazz_sonic_pdev);
192         platform_device_register(&jazz_cmos_pdev);
193         platform_device_register(&pcspeaker_pdev);
194
195         return 0;
196 }
197
198 device_initcall(jazz_setup_devinit);