1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/*
* Setup pointers to hardware-dependent routines.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
* Copyright (C) 2001 MIPS Technologies, Inc.
* Copyright (C) 2007 by Thomas Bogendoerfer
*/
#include <linux/eisa.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/console.h>
#include <linux/screen_info.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/dma-mapping.h>
#include <asm/jazz.h>
#include <asm/jazzdma.h>
#include <asm/reboot.h>
#include <linux/pgtable.h>
#include <asm/tlbmisc.h>
extern asmlinkage void jazz_handle_int(void);
extern void jazz_machine_restart(char *command);
static struct resource jazz_io_resources[] = {
{
.start = 0x00,
.end = 0x1f,
.name = "dma1",
.flags = IORESOURCE_IO | IORESOURCE_BUSY
}, {
.start = 0x40,
.end = 0x5f,
.name = "timer",
.flags = IORESOURCE_IO | IORESOURCE_BUSY
}, {
.start = 0x80,
.end = 0x8f,
.name = "dma page reg",
.flags = IORESOURCE_IO | IORESOURCE_BUSY
}, {
.start = 0xc0,
.end = 0xdf,
.name = "dma2",
.flags = IORESOURCE_IO | IORESOURCE_BUSY
}
};
void __init plat_mem_setup(void)
{
int i;
/* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
/* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
/* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
set_io_port_base(JAZZ_PORT_BASE);
#ifdef CONFIG_EISA
EISA_bus = 1;
#endif
/* request I/O space for devices used on all i[345]86 PCs */
for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
request_resource(&ioport_resource, jazz_io_resources + i);
/* The RTC is outside the port address space */
_machine_restart = jazz_machine_restart;
#ifdef CONFIG_VT
screen_info = (struct screen_info) {
.orig_video_cols = 160,
.orig_video_lines = 64,
.orig_video_points = 16,
};
#endif
add_preferred_console("ttyS", 0, "9600");
}
#ifdef CONFIG_OLIVETTI_M700
#define UART_CLK 1843200
#else
/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
exactly which ones ... XXX */
#define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
#endif
#define MEMPORT(_base, _irq) \
{ \
.mapbase = (_base), \
.membase = (void *)(_base), \
.irq = (_irq), \
.uartclk = UART_CLK, \
.iotype = UPIO_MEM, \
.flags = UPF_BOOT_AUTOCONF, \
}
static struct plat_serial8250_port jazz_serial_data[] = {
MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
{ },
};
static struct platform_device jazz_serial8250_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = jazz_serial_data,
},
};
static struct resource jazz_esp_rsrc[] = {
{
.start = JAZZ_SCSI_BASE,
.end = JAZZ_SCSI_BASE + 31,
.flags = IORESOURCE_MEM
},
{
.start = JAZZ_SCSI_DMA,
.end = JAZZ_SCSI_DMA,
.flags = IORESOURCE_MEM
},
{
.start = JAZZ_SCSI_IRQ,
.end = JAZZ_SCSI_IRQ,
.flags = IORESOURCE_IRQ
}
};
static u64 jazz_esp_dma_mask = DMA_BIT_MASK(32);
static struct platform_device jazz_esp_pdev = {
.name = "jazz_esp",
.num_resources = ARRAY_SIZE(jazz_esp_rsrc),
.resource = jazz_esp_rsrc,
.dev = {
.dma_mask = &jazz_esp_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
}
};
static struct resource jazz_sonic_rsrc[] = {
{
.start = JAZZ_ETHERNET_BASE,
.end = JAZZ_ETHERNET_BASE + 0xff,
.flags = IORESOURCE_MEM
},
{
.start = JAZZ_ETHERNET_IRQ,
.end = JAZZ_ETHERNET_IRQ,
.flags = IORESOURCE_IRQ
}
};
static u64 jazz_sonic_dma_mask = DMA_BIT_MASK(32);
static struct platform_device jazz_sonic_pdev = {
.name = "jazzsonic",
.num_resources = ARRAY_SIZE(jazz_sonic_rsrc),
.resource = jazz_sonic_rsrc,
.dev = {
.dma_mask = &jazz_sonic_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
}
};
static struct resource jazz_cmos_rsrc[] = {
{
.start = 0x70,
.end = 0x71,
.flags = IORESOURCE_IO
},
{
.start = 8,
.end = 8,
.flags = IORESOURCE_IRQ
}
};
static struct platform_device jazz_cmos_pdev = {
.name = "rtc_cmos",
.num_resources = ARRAY_SIZE(jazz_cmos_rsrc),
.resource = jazz_cmos_rsrc
};
static struct platform_device pcspeaker_pdev = {
.name = "pcspkr",
.id = -1,
};
static int __init jazz_setup_devinit(void)
{
platform_device_register(&jazz_serial8250_device);
platform_device_register(&jazz_esp_pdev);
platform_device_register(&jazz_sonic_pdev);
platform_device_register(&jazz_cmos_pdev);
platform_device_register(&pcspeaker_pdev);
return 0;
}
device_initcall(jazz_setup_devinit);
|
