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1da177e4
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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 *
89ef3e85 8 * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
1da177e4 9 * Copyright (C) 2001 MIPS Technologies, Inc.
ea202c63 10 * Copyright (C) 2007 by Thomas Bogendoerfer
1da177e4 11 */
1da177e4 12#include <linux/eisa.h>
1da177e4
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13#include <linux/init.h>
14#include <linux/ioport.h>
1da177e4 15#include <linux/console.h>
06e80113 16#include <linux/screen_info.h>
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17#include <linux/platform_device.h>
18#include <linux/serial_8250.h>
fcdb27ad 19
1da177e4
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20#include <asm/jazz.h>
21#include <asm/jazzdma.h>
1da177e4 22#include <asm/reboot.h>
1da177e4 23#include <asm/pgtable.h>
3d18c983 24#include <asm/tlbmisc.h>
1da177e4
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25
26extern asmlinkage void jazz_handle_int(void);
27
28extern void jazz_machine_restart(char *command);
1da177e4 29
1da177e4 30static struct resource jazz_io_resources[] = {
2cf69e76
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31 {
32 .start = 0x00,
33 .end = 0x1f,
34 .name = "dma1",
35 .flags = IORESOURCE_BUSY
36 }, {
37 .start = 0x40,
38 .end = 0x5f,
39 .name = "timer",
5da44ad5 40 .flags = IORESOURCE_BUSY
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41 }, {
42 .start = 0x80,
43 .end = 0x8f,
44 .name = "dma page reg",
45 .flags = IORESOURCE_BUSY
46 }, {
47 .start = 0xc0,
48 .end = 0xdf,
49 .name = "dma2",
50 .flags = IORESOURCE_BUSY
51 }
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52};
53
2925aba4 54void __init plat_mem_setup(void)
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55{
56 int i;
57
58 /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
49a89efb 59 add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
1da177e4 60 /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
49a89efb 61 add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
1da177e4 62 /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
49a89efb 63 add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
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64
65 set_io_port_base(JAZZ_PORT_BASE);
66#ifdef CONFIG_EISA
c6607295 67 EISA_bus = 1;
1da177e4 68#endif
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69
70 /* request I/O space for devices used on all i[345]86 PCs */
71 for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
72 request_resource(&ioport_resource, jazz_io_resources + i);
73
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74 /* The RTC is outside the port address space */
75
76 _machine_restart = jazz_machine_restart;
1da177e4 77
ea202c63 78#ifdef CONFIG_VT
1da177e4 79 screen_info = (struct screen_info) {
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80 .orig_video_cols = 160,
81 .orig_video_lines = 64,
82 .orig_video_points = 16,
1da177e4 83 };
ea202c63 84#endif
1da177e4 85
ea202c63 86 add_preferred_console("ttyS", 0, "9600");
1da177e4 87}
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88
89#ifdef CONFIG_OLIVETTI_M700
90#define UART_CLK 1843200
91#else
92/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
93 exactly which ones ... XXX */
94#define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
95#endif
96
97#define MEMPORT(_base, _irq) \
98 { \
99 .mapbase = (_base), \
100 .membase = (void *)(_base), \
101 .irq = (_irq), \
102 .uartclk = UART_CLK, \
103 .iotype = UPIO_MEM, \
104 .flags = UPF_BOOT_AUTOCONF, \
105 }
106
107static struct plat_serial8250_port jazz_serial_data[] = {
108 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
109 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
110 { },
111};
112
113static struct platform_device jazz_serial8250_device = {
114 .name = "serial8250",
115 .id = PLAT8250_DEV_PLATFORM,
116 .dev = {
117 .platform_data = jazz_serial_data,
118 },
119};
120
121static struct resource jazz_esp_rsrc[] = {
122 {
123 .start = JAZZ_SCSI_BASE,
124 .end = JAZZ_SCSI_BASE + 31,
125 .flags = IORESOURCE_MEM
126 },
127 {
128 .start = JAZZ_SCSI_DMA,
129 .end = JAZZ_SCSI_DMA,
130 .flags = IORESOURCE_MEM
131 },
132 {
133 .start = JAZZ_SCSI_IRQ,
134 .end = JAZZ_SCSI_IRQ,
135 .flags = IORESOURCE_IRQ
136 }
137};
138
139static struct platform_device jazz_esp_pdev = {
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140 .name = "jazz_esp",
141 .num_resources = ARRAY_SIZE(jazz_esp_rsrc),
142 .resource = jazz_esp_rsrc
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143};
144
145static struct resource jazz_sonic_rsrc[] = {
146 {
147 .start = JAZZ_ETHERNET_BASE,
148 .end = JAZZ_ETHERNET_BASE + 0xff,
149 .flags = IORESOURCE_MEM
150 },
151 {
152 .start = JAZZ_ETHERNET_IRQ,
153 .end = JAZZ_ETHERNET_IRQ,
154 .flags = IORESOURCE_IRQ
155 }
156};
157
158static struct platform_device jazz_sonic_pdev = {
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159 .name = "jazzsonic",
160 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc),
161 .resource = jazz_sonic_rsrc
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162};
163
164static struct resource jazz_cmos_rsrc[] = {
165 {
166 .start = 0x70,
167 .end = 0x71,
168 .flags = IORESOURCE_IO
169 },
170 {
171 .start = 8,
172 .end = 8,
173 .flags = IORESOURCE_IRQ
174 }
175};
176
177static struct platform_device jazz_cmos_pdev = {
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178 .name = "rtc_cmos",
179 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc),
180 .resource = jazz_cmos_rsrc
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181};
182
19388fb0 183static struct platform_device pcspeaker_pdev = {
70342287 184 .name = "pcspkr",
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185 .id = -1,
186};
187
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188static int __init jazz_setup_devinit(void)
189{
190 platform_device_register(&jazz_serial8250_device);
191 platform_device_register(&jazz_esp_pdev);
192 platform_device_register(&jazz_sonic_pdev);
193 platform_device_register(&jazz_cmos_pdev);
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194 platform_device_register(&pcspeaker_pdev);
195
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196 return 0;
197}
198
199device_initcall(jazz_setup_devinit);