1 /*
2 * iop13xx tpmi device resources
3 * Copyright (c) 2005-2006, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
17 *
18 */
19
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/platform_device.h>
23 #include <linux/dma-mapping.h>
24 #include <linux/io.h>
25 #include <asm/irq.h>
26 #include <asm/sizes.h>
27
28 /* assumes CONTROLLER_ONLY# is never asserted in the ESSR register */
29 #define IOP13XX_TPMI_MMR(dev) IOP13XX_REG_ADDR32_PHYS(0x48000 + (dev << 12))
30 #define IOP13XX_TPMI_MEM(dev) IOP13XX_REG_ADDR32_PHYS(0x60000 + (dev << 13))
31 #define IOP13XX_TPMI_CTRL(dev) IOP13XX_REG_ADDR32_PHYS(0x50000 + (dev << 10))
32 #define IOP13XX_TPMI_IOP_CTRL(dev) (IOP13XX_TPMI_CTRL(dev) + 0x2000)
33 #define IOP13XX_TPMI_MMR_SIZE (SZ_4K - 1)
34 #define IOP13XX_TPMI_MEM_SIZE (255)
35 #define IOP13XX_TPMI_MEM_CTRL (SZ_1K - 1)
36 #define IOP13XX_TPMI_RESOURCE_MMR 0
37 #define IOP13XX_TPMI_RESOURCE_MEM 1
38 #define IOP13XX_TPMI_RESOURCE_CTRL 2
39 #define IOP13XX_TPMI_RESOURCE_IOP_CTRL 3
40 #define IOP13XX_TPMI_RESOURCE_IRQ 4
41
42 static struct resource iop13xx_tpmi_0_resources[] = {
43 [IOP13XX_TPMI_RESOURCE_MMR] = {
44 .start = IOP13XX_TPMI_MMR(4), /* tpmi0 starts at dev == 4 */
45 .end = IOP13XX_TPMI_MMR(4) + IOP13XX_TPMI_MMR_SIZE,
46 .flags = IORESOURCE_MEM,
47 },
48 [IOP13XX_TPMI_RESOURCE_MEM] = {
49 .start = IOP13XX_TPMI_MEM(0),
50 .end = IOP13XX_TPMI_MEM(0) + IOP13XX_TPMI_MEM_SIZE,
51 .flags = IORESOURCE_MEM,
52 },
53 [IOP13XX_TPMI_RESOURCE_CTRL] = {
54 .start = IOP13XX_TPMI_CTRL(0),
55 .end = IOP13XX_TPMI_CTRL(0) + IOP13XX_TPMI_MEM_CTRL,
56 .flags = IORESOURCE_MEM,
57 },
58 [IOP13XX_TPMI_RESOURCE_IOP_CTRL] = {
59 .start = IOP13XX_TPMI_IOP_CTRL(0),
60 .end = IOP13XX_TPMI_IOP_CTRL(0) + IOP13XX_TPMI_MEM_CTRL,
61 .flags = IORESOURCE_MEM,
62 },
63 [IOP13XX_TPMI_RESOURCE_IRQ] = {
64 .start = IRQ_IOP13XX_TPMI0_OUT,
65 .end = IRQ_IOP13XX_TPMI0_OUT,
66 .flags = IORESOURCE_IRQ
67 }
68 };
69
70 static struct resource iop13xx_tpmi_1_resources[] = {
71 [IOP13XX_TPMI_RESOURCE_MMR] = {
72 .start = IOP13XX_TPMI_MMR(1),
73 .end = IOP13XX_TPMI_MMR(1) + IOP13XX_TPMI_MMR_SIZE,
74 .flags = IORESOURCE_MEM,
75 },
76 [IOP13XX_TPMI_RESOURCE_MEM] = {
77 .start = IOP13XX_TPMI_MEM(1),
78 .end = IOP13XX_TPMI_MEM(1) + IOP13XX_TPMI_MEM_SIZE,
79 .flags = IORESOURCE_MEM,
80 },
81 [IOP13XX_TPMI_RESOURCE_CTRL] = {
82 .start = IOP13XX_TPMI_CTRL(1),
83 .end = IOP13XX_TPMI_CTRL(1) + IOP13XX_TPMI_MEM_CTRL,
84 .flags = IORESOURCE_MEM,
85 },
86 [IOP13XX_TPMI_RESOURCE_IOP_CTRL] = {
87 .start = IOP13XX_TPMI_IOP_CTRL(1),
88 .end = IOP13XX_TPMI_IOP_CTRL(1) + IOP13XX_TPMI_MEM_CTRL,
89 .flags = IORESOURCE_MEM,
90 },
91 [IOP13XX_TPMI_RESOURCE_IRQ] = {
92 .start = IRQ_IOP13XX_TPMI1_OUT,
93 .end = IRQ_IOP13XX_TPMI1_OUT,
94 .flags = IORESOURCE_IRQ
95 }
96 };
97
98 static struct resource iop13xx_tpmi_2_resources[] = {
99 [IOP13XX_TPMI_RESOURCE_MMR] = {
100 .start = IOP13XX_TPMI_MMR(2),
101 .end = IOP13XX_TPMI_MMR(2) + IOP13XX_TPMI_MMR_SIZE,
102 .flags = IORESOURCE_MEM,
103 },
104 [IOP13XX_TPMI_RESOURCE_MEM] = {
105 .start = IOP13XX_TPMI_MEM(2),
106 .end = IOP13XX_TPMI_MEM(2) + IOP13XX_TPMI_MEM_SIZE,
107 .flags = IORESOURCE_MEM,
108 },
109 [IOP13XX_TPMI_RESOURCE_CTRL] = {
110 .start = IOP13XX_TPMI_CTRL(2),
111 .end = IOP13XX_TPMI_CTRL(2) + IOP13XX_TPMI_MEM_CTRL,
112 .flags = IORESOURCE_MEM,
113 },
114 [IOP13XX_TPMI_RESOURCE_IOP_CTRL] = {
115 .start = IOP13XX_TPMI_IOP_CTRL(2),
116 .end = IOP13XX_TPMI_IOP_CTRL(2) + IOP13XX_TPMI_MEM_CTRL,
117 .flags = IORESOURCE_MEM,
118 },
119 [IOP13XX_TPMI_RESOURCE_IRQ] = {
120 .start = IRQ_IOP13XX_TPMI2_OUT,
121 .end = IRQ_IOP13XX_TPMI2_OUT,
122 .flags = IORESOURCE_IRQ
123 }
124 };
125
126 static struct resource iop13xx_tpmi_3_resources[] = {
127 [IOP13XX_TPMI_RESOURCE_MMR] = {
128 .start = IOP13XX_TPMI_MMR(3),
129 .end = IOP13XX_TPMI_MMR(3) + IOP13XX_TPMI_MMR_SIZE,
130 .flags = IORESOURCE_MEM,
131 },
132 [IOP13XX_TPMI_RESOURCE_MEM] = {
133 .start = IOP13XX_TPMI_MEM(3),
134 .end = IOP13XX_TPMI_MEM(3) + IOP13XX_TPMI_MEM_SIZE,
135 .flags = IORESOURCE_MEM,
136 },
137 [IOP13XX_TPMI_RESOURCE_CTRL] = {
138 .start = IOP13XX_TPMI_CTRL(3),
139 .end = IOP13XX_TPMI_CTRL(3) + IOP13XX_TPMI_MEM_CTRL,
140 .flags = IORESOURCE_MEM,
141 },
142 [IOP13XX_TPMI_RESOURCE_IOP_CTRL] = {
143 .start = IOP13XX_TPMI_IOP_CTRL(3),
144 .end = IOP13XX_TPMI_IOP_CTRL(3) + IOP13XX_TPMI_MEM_CTRL,
145 .flags = IORESOURCE_MEM,
146 },
147 [IOP13XX_TPMI_RESOURCE_IRQ] = {
148 .start = IRQ_IOP13XX_TPMI3_OUT,
149 .end = IRQ_IOP13XX_TPMI3_OUT,
150 .flags = IORESOURCE_IRQ
151 }
152 };
153
154 u64 iop13xx_tpmi_mask = DMA_64BIT_MASK;
155 static struct platform_device iop13xx_tpmi_0_device = {
156 .name = "iop-tpmi",
157 .id = 0,
158 .num_resources = ARRAY_SIZE(iop13xx_tpmi_0_resources),
159 .resource = iop13xx_tpmi_0_resources,
160 .dev = {
161 .dma_mask = &iop13xx_tpmi_mask,
162 .coherent_dma_mask = DMA_64BIT_MASK,
163 },
164 };
165
166 static struct platform_device iop13xx_tpmi_1_device = {
167 .name = "iop-tpmi",
168 .id = 1,
169 .num_resources = ARRAY_SIZE(iop13xx_tpmi_1_resources),
170 .resource = iop13xx_tpmi_1_resources,
171 .dev = {
172 .dma_mask = &iop13xx_tpmi_mask,
173 .coherent_dma_mask = DMA_64BIT_MASK,
174 },
175 };
176
177 static struct platform_device iop13xx_tpmi_2_device = {
178 .name = "iop-tpmi",
179 .id = 2,
180 .num_resources = ARRAY_SIZE(iop13xx_tpmi_2_resources),
181 .resource = iop13xx_tpmi_2_resources,
182 .dev = {
183 .dma_mask = &iop13xx_tpmi_mask,
184 .coherent_dma_mask = DMA_64BIT_MASK,
185 },
186 };
187
188 static struct platform_device iop13xx_tpmi_3_device = {
189 .name = "iop-tpmi",
190 .id = 3,
191 .num_resources = ARRAY_SIZE(iop13xx_tpmi_3_resources),
192 .resource = iop13xx_tpmi_3_resources,
193 .dev = {
194 .dma_mask = &iop13xx_tpmi_mask,
195 .coherent_dma_mask = DMA_64BIT_MASK,
196 },
197 };
198
iop13xx_add_tpmi_devices(void)199 __init void iop13xx_add_tpmi_devices(void)
200 {
201 unsigned short device_id;
202
203 /* tpmi's not present on iop341 or iop342 */
204 if (__raw_readl(IOP13XX_ESSR0) & IOP13XX_INTERFACE_SEL_PCIX)
205 /* ATUE must be present */
206 device_id = __raw_readw(IOP13XX_ATUE_DID);
207 else
208 /* ATUX must be present */
209 device_id = __raw_readw(IOP13XX_ATUX_DID);
210
211 switch (device_id) {
212 /* iop34[1|2] 0-tpmi */
213 case 0x3380:
214 case 0x3384:
215 case 0x3388:
216 case 0x338c:
217 case 0x3382:
218 case 0x3386:
219 case 0x338a:
220 case 0x338e:
221 return;
222 /* iop348 1-tpmi */
223 case 0x3310:
224 case 0x3312:
225 case 0x3314:
226 case 0x3318:
227 case 0x331a:
228 case 0x331c:
229 case 0x33c0:
230 case 0x33c2:
231 case 0x33c4:
232 case 0x33c8:
233 case 0x33ca:
234 case 0x33cc:
235 case 0x33b0:
236 case 0x33b2:
237 case 0x33b4:
238 case 0x33b8:
239 case 0x33ba:
240 case 0x33bc:
241 case 0x3320:
242 case 0x3322:
243 case 0x3324:
244 case 0x3328:
245 case 0x332a:
246 case 0x332c:
247 platform_device_register(&iop13xx_tpmi_0_device);
248 return;
249 default:
250 platform_device_register(&iop13xx_tpmi_0_device);
251 platform_device_register(&iop13xx_tpmi_1_device);
252 platform_device_register(&iop13xx_tpmi_2_device);
253 platform_device_register(&iop13xx_tpmi_3_device);
254 return;
255 }
256 }
257