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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 | * | |
89742e53 | 8 | * Copyright (C) 1996, 1997, 1998, 2001, 07 by Ralf Baechle |
1da177e4 | 9 | * Copyright (C) 2001 MIPS Technologies, Inc. |
ea202c63 | 10 | * Copyright (C) 2007 by Thomas Bogendoerfer |
1da177e4 | 11 | */ |
1da177e4 LT |
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> | |
fcdb27ad | 22 | #include <linux/pm.h> |
06e80113 | 23 | #include <linux/screen_info.h> |
ea202c63 TB |
24 | #include <linux/platform_device.h> |
25 | #include <linux/serial_8250.h> | |
fcdb27ad | 26 | |
1da177e4 LT |
27 | #include <asm/bootinfo.h> |
28 | #include <asm/irq.h> | |
29 | #include <asm/jazz.h> | |
30 | #include <asm/jazzdma.h> | |
1da177e4 LT |
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> | |
ea202c63 | 36 | #include <asm/mc146818-time.h> |
1da177e4 LT |
37 | |
38 | extern asmlinkage void jazz_handle_int(void); | |
39 | ||
40 | extern void jazz_machine_restart(char *command); | |
1da177e4 | 41 | |
1da177e4 | 42 | static struct resource jazz_io_resources[] = { |
2cf69e76 RB |
43 | { |
44 | .start = 0x00, | |
45 | .end = 0x1f, | |
46 | .name = "dma1", | |
47 | .flags = IORESOURCE_BUSY | |
48 | }, { | |
49 | .start = 0x40, | |
50 | .end = 0x5f, | |
51 | .name = "timer", | |
5da44ad5 | 52 | .flags = IORESOURCE_BUSY |
2cf69e76 RB |
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 | } | |
1da177e4 LT |
64 | }; |
65 | ||
2925aba4 | 66 | void __init plat_mem_setup(void) |
1da177e4 LT |
67 | { |
68 | int i; | |
69 | ||
70 | /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ | |
49a89efb | 71 | add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K); |
1da177e4 | 72 | /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ |
49a89efb | 73 | add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M); |
1da177e4 | 74 | /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ |
49a89efb | 75 | add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M); |
1da177e4 LT |
76 | |
77 | set_io_port_base(JAZZ_PORT_BASE); | |
78 | #ifdef CONFIG_EISA | |
79 | if (mips_machtype == MACH_MIPS_MAGNUM_4000) | |
80 | EISA_bus = 1; | |
81 | #endif | |
82 | isa_slot_offset = 0xe3000000; | |
83 | ||
84 | /* request I/O space for devices used on all i[345]86 PCs */ | |
85 | for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) | |
86 | request_resource(&ioport_resource, jazz_io_resources + i); | |
87 | ||
1da177e4 LT |
88 | /* The RTC is outside the port address space */ |
89 | ||
90 | _machine_restart = jazz_machine_restart; | |
1da177e4 | 91 | |
ea202c63 | 92 | #ifdef CONFIG_VT |
1da177e4 LT |
93 | screen_info = (struct screen_info) { |
94 | 0, 0, /* orig-x, orig-y */ | |
95 | 0, /* unused */ | |
96 | 0, /* orig_video_page */ | |
97 | 0, /* orig_video_mode */ | |
98 | 160, /* orig_video_cols */ | |
99 | 0, 0, 0, /* unused, ega_bx, unused */ | |
100 | 64, /* orig_video_lines */ | |
101 | 0, /* orig_video_isVGA */ | |
102 | 16 /* orig_video_points */ | |
103 | }; | |
ea202c63 | 104 | #endif |
1da177e4 | 105 | |
ea202c63 | 106 | add_preferred_console("ttyS", 0, "9600"); |
1da177e4 | 107 | } |
ea202c63 TB |
108 | |
109 | #ifdef CONFIG_OLIVETTI_M700 | |
110 | #define UART_CLK 1843200 | |
111 | #else | |
112 | /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know | |
113 | exactly which ones ... XXX */ | |
114 | #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ | |
115 | #endif | |
116 | ||
117 | #define MEMPORT(_base, _irq) \ | |
118 | { \ | |
119 | .mapbase = (_base), \ | |
120 | .membase = (void *)(_base), \ | |
121 | .irq = (_irq), \ | |
122 | .uartclk = UART_CLK, \ | |
123 | .iotype = UPIO_MEM, \ | |
124 | .flags = UPF_BOOT_AUTOCONF, \ | |
125 | } | |
126 | ||
127 | static struct plat_serial8250_port jazz_serial_data[] = { | |
128 | MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), | |
129 | MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), | |
130 | { }, | |
131 | }; | |
132 | ||
133 | static struct platform_device jazz_serial8250_device = { | |
134 | .name = "serial8250", | |
135 | .id = PLAT8250_DEV_PLATFORM, | |
136 | .dev = { | |
137 | .platform_data = jazz_serial_data, | |
138 | }, | |
139 | }; | |
140 | ||
141 | static struct resource jazz_esp_rsrc[] = { | |
142 | { | |
143 | .start = JAZZ_SCSI_BASE, | |
144 | .end = JAZZ_SCSI_BASE + 31, | |
145 | .flags = IORESOURCE_MEM | |
146 | }, | |
147 | { | |
148 | .start = JAZZ_SCSI_DMA, | |
149 | .end = JAZZ_SCSI_DMA, | |
150 | .flags = IORESOURCE_MEM | |
151 | }, | |
152 | { | |
153 | .start = JAZZ_SCSI_IRQ, | |
154 | .end = JAZZ_SCSI_IRQ, | |
155 | .flags = IORESOURCE_IRQ | |
156 | } | |
157 | }; | |
158 | ||
159 | static struct platform_device jazz_esp_pdev = { | |
160 | .name = "jazz_esp", | |
161 | .num_resources = ARRAY_SIZE(jazz_esp_rsrc), | |
162 | .resource = jazz_esp_rsrc | |
163 | }; | |
164 | ||
165 | static struct resource jazz_sonic_rsrc[] = { | |
166 | { | |
167 | .start = JAZZ_ETHERNET_BASE, | |
168 | .end = JAZZ_ETHERNET_BASE + 0xff, | |
169 | .flags = IORESOURCE_MEM | |
170 | }, | |
171 | { | |
172 | .start = JAZZ_ETHERNET_IRQ, | |
173 | .end = JAZZ_ETHERNET_IRQ, | |
174 | .flags = IORESOURCE_IRQ | |
175 | } | |
176 | }; | |
177 | ||
178 | static struct platform_device jazz_sonic_pdev = { | |
179 | .name = "jazzsonic", | |
180 | .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), | |
181 | .resource = jazz_sonic_rsrc | |
182 | }; | |
183 | ||
184 | static struct resource jazz_cmos_rsrc[] = { | |
185 | { | |
186 | .start = 0x70, | |
187 | .end = 0x71, | |
188 | .flags = IORESOURCE_IO | |
189 | }, | |
190 | { | |
191 | .start = 8, | |
192 | .end = 8, | |
193 | .flags = IORESOURCE_IRQ | |
194 | } | |
195 | }; | |
196 | ||
197 | static struct platform_device jazz_cmos_pdev = { | |
198 | .name = "rtc_cmos", | |
199 | .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), | |
200 | .resource = jazz_cmos_rsrc | |
201 | }; | |
202 | ||
203 | static int __init jazz_setup_devinit(void) | |
204 | { | |
205 | platform_device_register(&jazz_serial8250_device); | |
206 | platform_device_register(&jazz_esp_pdev); | |
207 | platform_device_register(&jazz_sonic_pdev); | |
208 | platform_device_register(&jazz_cmos_pdev); | |
209 | return 0; | |
210 | } | |
211 | ||
212 | device_initcall(jazz_setup_devinit); |