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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[thirdparty/kernel/linux.git] / arch / mips / sgi-ip22 / ip22-platform.c
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b2441318 1// SPDX-License-Identifier: GPL-2.0
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2#include <linux/init.h>
3#include <linux/if_ether.h>
4#include <linux/kernel.h>
5#include <linux/platform_device.h>
6
7#include <asm/paccess.h>
8#include <asm/sgi/ip22.h>
9#include <asm/sgi/hpc3.h>
10#include <asm/sgi/mc.h>
11#include <asm/sgi/seeq.h>
12#include <asm/sgi/wd.h>
13
14static struct resource sgiwd93_0_resources[] = {
15 {
16 .name = "eth0 irq",
17 .start = SGI_WD93_0_IRQ,
18 .end = SGI_WD93_0_IRQ,
19 .flags = IORESOURCE_IRQ
20 }
21};
22
23static struct sgiwd93_platform_data sgiwd93_0_pd = {
24 .unit = 0,
25 .irq = SGI_WD93_0_IRQ,
26};
27
28static struct platform_device sgiwd93_0_device = {
29 .name = "sgiwd93",
30 .id = 0,
31 .num_resources = ARRAY_SIZE(sgiwd93_0_resources),
32 .resource = sgiwd93_0_resources,
33 .dev = {
34 .platform_data = &sgiwd93_0_pd,
35 },
36};
37
38static struct resource sgiwd93_1_resources[] = {
39 {
40 .name = "eth0 irq",
41 .start = SGI_WD93_1_IRQ,
42 .end = SGI_WD93_1_IRQ,
43 .flags = IORESOURCE_IRQ
44 }
45};
46
47static struct sgiwd93_platform_data sgiwd93_1_pd = {
48 .unit = 1,
49 .irq = SGI_WD93_1_IRQ,
50};
51
52static struct platform_device sgiwd93_1_device = {
53 .name = "sgiwd93",
54 .id = 1,
55 .num_resources = ARRAY_SIZE(sgiwd93_1_resources),
56 .resource = sgiwd93_1_resources,
57 .dev = {
58 .platform_data = &sgiwd93_1_pd,
59 },
60};
61
62/*
63 * Create a platform device for the GPI port that receives the
64 * image data from the embedded camera.
65 */
66static int __init sgiwd93_devinit(void)
67{
68 int res;
69
70 sgiwd93_0_pd.hregs = &hpc3c0->scsi_chan0;
71 sgiwd93_0_pd.wdregs = (unsigned char *) hpc3c0->scsi0_ext;
72
73 res = platform_device_register(&sgiwd93_0_device);
74 if (res)
75 return res;
76
77 if (!ip22_is_fullhouse())
78 return 0;
79
80 sgiwd93_1_pd.hregs = &hpc3c0->scsi_chan1;
81 sgiwd93_1_pd.wdregs = (unsigned char *) hpc3c0->scsi1_ext;
82
83 return platform_device_register(&sgiwd93_1_device);
84}
85
86device_initcall(sgiwd93_devinit);
87
88static struct resource sgiseeq_0_resources[] = {
89 {
90 .name = "eth0 irq",
91 .start = SGI_ENET_IRQ,
92 .end = SGI_ENET_IRQ,
93 .flags = IORESOURCE_IRQ
94 }
95};
96
97static struct sgiseeq_platform_data eth0_pd;
98
99static struct platform_device eth0_device = {
100 .name = "sgiseeq",
101 .id = 0,
102 .num_resources = ARRAY_SIZE(sgiseeq_0_resources),
103 .resource = sgiseeq_0_resources,
104 .dev = {
105 .platform_data = &eth0_pd,
106 },
107};
108
109static struct resource sgiseeq_1_resources[] = {
110 {
111 .name = "eth1 irq",
112 .start = SGI_GIO_0_IRQ,
113 .end = SGI_GIO_0_IRQ,
114 .flags = IORESOURCE_IRQ
115 }
116};
117
118static struct sgiseeq_platform_data eth1_pd;
119
120static struct platform_device eth1_device = {
121 .name = "sgiseeq",
122 .id = 1,
123 .num_resources = ARRAY_SIZE(sgiseeq_1_resources),
124 .resource = sgiseeq_1_resources,
125 .dev = {
126 .platform_data = &eth1_pd,
127 },
128};
129
130/*
131 * Create a platform device for the GPI port that receives the
132 * image data from the embedded camera.
133 */
134static int __init sgiseeq_devinit(void)
135{
3be1afc8 136 unsigned int pbdma __maybe_unused;
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137 int res, i;
138
139 eth0_pd.hpc = hpc3c0;
140 eth0_pd.irq = SGI_ENET_IRQ;
70342287 141#define EADDR_NVOFS 250
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142 for (i = 0; i < 3; i++) {
143 unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i);
144
145 eth0_pd.mac[2 * i] = tmp >> 8;
146 eth0_pd.mac[2 * i + 1] = tmp & 0xff;
147 }
148
149 res = platform_device_register(&eth0_device);
150 if (res)
151 return res;
152
153 /* Second HPC is missing? */
4a911b1e 154 if (ip22_is_fullhouse() ||
3be1afc8 155 get_dbe(pbdma, (unsigned int *)&hpc3c1->pbdma[1]))
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156 return 0;
157
158 sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 |
70342287 159 SGIMC_GIOPAR_HPC264;
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160 hpc3c1->pbus_piocfg[0][0] = 0x3ffff;
161 /* interrupt/config register on Challenge S Mezz board */
162 hpc3c1->pbus_extregs[0][0] = 0x30;
163
164 eth1_pd.hpc = hpc3c1;
165 eth1_pd.irq = SGI_GIO_0_IRQ;
70342287 166#define EADDR_NVOFS 250
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167 for (i = 0; i < 3; i++) {
168 unsigned short tmp = ip22_eeprom_read(&hpc3c1->eeprom,
70342287 169 EADDR_NVOFS / 2 + i);
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170
171 eth1_pd.mac[2 * i] = tmp >> 8;
172 eth1_pd.mac[2 * i + 1] = tmp & 0xff;
173 }
174
175 return platform_device_register(&eth1_device);
176}
177
178device_initcall(sgiseeq_devinit);
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179
180static int __init sgi_hal2_devinit(void)
181{
182 return IS_ERR(platform_device_register_simple("sgihal2", 0, NULL, 0));
183}
184
185device_initcall(sgi_hal2_devinit);
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186
187static int __init sgi_button_devinit(void)
188{
189 if (ip22_is_fullhouse())
190 return 0; /* full house has no volume buttons */
191
5a334fa9 192 return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));
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193}
194
195device_initcall(sgi_button_devinit);
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196
197static int __init sgi_ds1286_devinit(void)
198{
199 struct resource res;
200
201 memset(&res, 0, sizeof(res));
202 res.start = HPC3_CHIP0_BASE + offsetof(struct hpc3_regs, rtcregs);
203 res.end = res.start + sizeof(hpc3c0->rtcregs) - 1;
204 res.flags = IORESOURCE_MEM;
205
206 return IS_ERR(platform_device_register_simple("rtc-ds1286", -1,
207 &res, 1));
208}
209
210device_initcall(sgi_ds1286_devinit);