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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 | * | |
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 LT |
13 | #include <linux/init.h> |
14 | #include <linux/ioport.h> | |
1da177e4 | 15 | #include <linux/console.h> |
06e80113 | 16 | #include <linux/screen_info.h> |
ea202c63 TB |
17 | #include <linux/platform_device.h> |
18 | #include <linux/serial_8250.h> | |
fcdb27ad | 19 | |
1da177e4 LT |
20 | #include <asm/jazz.h> |
21 | #include <asm/jazzdma.h> | |
1da177e4 | 22 | #include <asm/reboot.h> |
1da177e4 | 23 | #include <asm/pgtable.h> |
1da177e4 LT |
24 | |
25 | extern asmlinkage void jazz_handle_int(void); | |
26 | ||
27 | extern void jazz_machine_restart(char *command); | |
1da177e4 | 28 | |
1da177e4 | 29 | static struct resource jazz_io_resources[] = { |
2cf69e76 RB |
30 | { |
31 | .start = 0x00, | |
32 | .end = 0x1f, | |
33 | .name = "dma1", | |
34 | .flags = IORESOURCE_BUSY | |
35 | }, { | |
36 | .start = 0x40, | |
37 | .end = 0x5f, | |
38 | .name = "timer", | |
5da44ad5 | 39 | .flags = IORESOURCE_BUSY |
2cf69e76 RB |
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 | } | |
1da177e4 LT |
51 | }; |
52 | ||
2925aba4 | 53 | void __init plat_mem_setup(void) |
1da177e4 LT |
54 | { |
55 | int i; | |
56 | ||
57 | /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ | |
49a89efb | 58 | add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K); |
1da177e4 | 59 | /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ |
49a89efb | 60 | add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M); |
1da177e4 | 61 | /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ |
49a89efb | 62 | add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M); |
1da177e4 LT |
63 | |
64 | set_io_port_base(JAZZ_PORT_BASE); | |
65 | #ifdef CONFIG_EISA | |
c6607295 | 66 | EISA_bus = 1; |
1da177e4 | 67 | #endif |
1da177e4 LT |
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 | ||
1da177e4 LT |
73 | /* The RTC is outside the port address space */ |
74 | ||
75 | _machine_restart = jazz_machine_restart; | |
1da177e4 | 76 | |
ea202c63 | 77 | #ifdef CONFIG_VT |
1da177e4 LT |
78 | screen_info = (struct screen_info) { |
79 | 0, 0, /* orig-x, orig-y */ | |
80 | 0, /* unused */ | |
81 | 0, /* orig_video_page */ | |
82 | 0, /* orig_video_mode */ | |
83 | 160, /* orig_video_cols */ | |
84 | 0, 0, 0, /* unused, ega_bx, unused */ | |
85 | 64, /* orig_video_lines */ | |
86 | 0, /* orig_video_isVGA */ | |
87 | 16 /* orig_video_points */ | |
88 | }; | |
ea202c63 | 89 | #endif |
1da177e4 | 90 | |
ea202c63 | 91 | add_preferred_console("ttyS", 0, "9600"); |
1da177e4 | 92 | } |
ea202c63 TB |
93 | |
94 | #ifdef CONFIG_OLIVETTI_M700 | |
95 | #define UART_CLK 1843200 | |
96 | #else | |
97 | /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know | |
98 | exactly which ones ... XXX */ | |
99 | #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ | |
100 | #endif | |
101 | ||
102 | #define MEMPORT(_base, _irq) \ | |
103 | { \ | |
104 | .mapbase = (_base), \ | |
105 | .membase = (void *)(_base), \ | |
106 | .irq = (_irq), \ | |
107 | .uartclk = UART_CLK, \ | |
108 | .iotype = UPIO_MEM, \ | |
109 | .flags = UPF_BOOT_AUTOCONF, \ | |
110 | } | |
111 | ||
112 | static struct plat_serial8250_port jazz_serial_data[] = { | |
113 | MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), | |
114 | MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), | |
115 | { }, | |
116 | }; | |
117 | ||
118 | static struct platform_device jazz_serial8250_device = { | |
119 | .name = "serial8250", | |
120 | .id = PLAT8250_DEV_PLATFORM, | |
121 | .dev = { | |
122 | .platform_data = jazz_serial_data, | |
123 | }, | |
124 | }; | |
125 | ||
126 | static struct resource jazz_esp_rsrc[] = { | |
127 | { | |
128 | .start = JAZZ_SCSI_BASE, | |
129 | .end = JAZZ_SCSI_BASE + 31, | |
130 | .flags = IORESOURCE_MEM | |
131 | }, | |
132 | { | |
133 | .start = JAZZ_SCSI_DMA, | |
134 | .end = JAZZ_SCSI_DMA, | |
135 | .flags = IORESOURCE_MEM | |
136 | }, | |
137 | { | |
138 | .start = JAZZ_SCSI_IRQ, | |
139 | .end = JAZZ_SCSI_IRQ, | |
140 | .flags = IORESOURCE_IRQ | |
141 | } | |
142 | }; | |
143 | ||
144 | static struct platform_device jazz_esp_pdev = { | |
145 | .name = "jazz_esp", | |
146 | .num_resources = ARRAY_SIZE(jazz_esp_rsrc), | |
147 | .resource = jazz_esp_rsrc | |
148 | }; | |
149 | ||
150 | static struct resource jazz_sonic_rsrc[] = { | |
151 | { | |
152 | .start = JAZZ_ETHERNET_BASE, | |
153 | .end = JAZZ_ETHERNET_BASE + 0xff, | |
154 | .flags = IORESOURCE_MEM | |
155 | }, | |
156 | { | |
157 | .start = JAZZ_ETHERNET_IRQ, | |
158 | .end = JAZZ_ETHERNET_IRQ, | |
159 | .flags = IORESOURCE_IRQ | |
160 | } | |
161 | }; | |
162 | ||
163 | static struct platform_device jazz_sonic_pdev = { | |
164 | .name = "jazzsonic", | |
165 | .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), | |
166 | .resource = jazz_sonic_rsrc | |
167 | }; | |
168 | ||
169 | static struct resource jazz_cmos_rsrc[] = { | |
170 | { | |
171 | .start = 0x70, | |
172 | .end = 0x71, | |
173 | .flags = IORESOURCE_IO | |
174 | }, | |
175 | { | |
176 | .start = 8, | |
177 | .end = 8, | |
178 | .flags = IORESOURCE_IRQ | |
179 | } | |
180 | }; | |
181 | ||
182 | static struct platform_device jazz_cmos_pdev = { | |
183 | .name = "rtc_cmos", | |
184 | .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), | |
185 | .resource = jazz_cmos_rsrc | |
186 | }; | |
187 | ||
19388fb0 RB |
188 | static struct platform_device pcspeaker_pdev = { |
189 | .name = "pcspkr", | |
190 | .id = -1, | |
191 | }; | |
192 | ||
ea202c63 TB |
193 | static int __init jazz_setup_devinit(void) |
194 | { | |
195 | platform_device_register(&jazz_serial8250_device); | |
196 | platform_device_register(&jazz_esp_pdev); | |
197 | platform_device_register(&jazz_sonic_pdev); | |
198 | platform_device_register(&jazz_cmos_pdev); | |
19388fb0 RB |
199 | platform_device_register(&pcspeaker_pdev); |
200 | ||
ea202c63 TB |
201 | return 0; |
202 | } | |
203 | ||
204 | device_initcall(jazz_setup_devinit); |