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