1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * OMAP3XXX L3 Interconnect Driver header
4 *
5 * Copyright (C) 2011 Texas Corporation
6 * Felipe Balbi <balbi@ti.com>
7 * Santosh Shilimkar <santosh.shilimkar@ti.com>
8 * sricharan <r.sricharan@ti.com>
9 */
10#ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
11#define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
12
13/* Register definitions. All 64-bit wide */
14#define L3_COMPONENT 0x000
15#define L3_CORE 0x018
16#define L3_AGENT_CONTROL 0x020
17#define L3_AGENT_STATUS 0x028
18#define L3_ERROR_LOG 0x058
19
20#define L3_ERROR_LOG_MULTI (1 << 31)
21#define L3_ERROR_LOG_SECONDARY (1 << 30)
22
23#define L3_ERROR_LOG_ADDR 0x060
24
25/* Register definitions for Sideband Interconnect */
26#define L3_SI_CONTROL 0x020
27#define L3_SI_FLAG_STATUS_0 0x510
28
29static const u64 shift = 1;
30
31#define L3_STATUS_0_MPUIA_BRST (shift << 0)
32#define L3_STATUS_0_MPUIA_RSP (shift << 1)
33#define L3_STATUS_0_MPUIA_INBAND (shift << 2)
34#define L3_STATUS_0_IVAIA_BRST (shift << 6)
35#define L3_STATUS_0_IVAIA_RSP (shift << 7)
36#define L3_STATUS_0_IVAIA_INBAND (shift << 8)
37#define L3_STATUS_0_SGXIA_BRST (shift << 9)
38#define L3_STATUS_0_SGXIA_RSP (shift << 10)
39#define L3_STATUS_0_SGXIA_MERROR (shift << 11)
40#define L3_STATUS_0_CAMIA_BRST (shift << 12)
41#define L3_STATUS_0_CAMIA_RSP (shift << 13)
42#define L3_STATUS_0_CAMIA_INBAND (shift << 14)
43#define L3_STATUS_0_DISPIA_BRST (shift << 15)
44#define L3_STATUS_0_DISPIA_RSP (shift << 16)
45#define L3_STATUS_0_DMARDIA_BRST (shift << 18)
46#define L3_STATUS_0_DMARDIA_RSP (shift << 19)
47#define L3_STATUS_0_DMAWRIA_BRST (shift << 21)
48#define L3_STATUS_0_DMAWRIA_RSP (shift << 22)
49#define L3_STATUS_0_USBOTGIA_BRST (shift << 24)
50#define L3_STATUS_0_USBOTGIA_RSP (shift << 25)
51#define L3_STATUS_0_USBOTGIA_INBAND (shift << 26)
52#define L3_STATUS_0_USBHOSTIA_BRST (shift << 27)
53#define L3_STATUS_0_USBHOSTIA_INBAND (shift << 28)
54#define L3_STATUS_0_SMSTA_REQ (shift << 48)
55#define L3_STATUS_0_GPMCTA_REQ (shift << 49)
56#define L3_STATUS_0_OCMRAMTA_REQ (shift << 50)
57#define L3_STATUS_0_OCMROMTA_REQ (shift << 51)
58#define L3_STATUS_0_IVATA_REQ (shift << 54)
59#define L3_STATUS_0_SGXTA_REQ (shift << 55)
60#define L3_STATUS_0_SGXTA_SERROR (shift << 56)
61#define L3_STATUS_0_GPMCTA_SERROR (shift << 57)
62#define L3_STATUS_0_L4CORETA_REQ (shift << 58)
63#define L3_STATUS_0_L4PERTA_REQ (shift << 59)
64#define L3_STATUS_0_L4EMUTA_REQ (shift << 60)
65#define L3_STATUS_0_MAD2DTA_REQ (shift << 61)
66
67#define L3_STATUS_0_TIMEOUT_MASK (L3_STATUS_0_MPUIA_BRST \
68 | L3_STATUS_0_MPUIA_RSP \
69 | L3_STATUS_0_IVAIA_BRST \
70 | L3_STATUS_0_IVAIA_RSP \
71 | L3_STATUS_0_SGXIA_BRST \
72 | L3_STATUS_0_SGXIA_RSP \
73 | L3_STATUS_0_CAMIA_BRST \
74 | L3_STATUS_0_CAMIA_RSP \
75 | L3_STATUS_0_DISPIA_BRST \
76 | L3_STATUS_0_DISPIA_RSP \
77 | L3_STATUS_0_DMARDIA_BRST \
78 | L3_STATUS_0_DMARDIA_RSP \
79 | L3_STATUS_0_DMAWRIA_BRST \
80 | L3_STATUS_0_DMAWRIA_RSP \
81 | L3_STATUS_0_USBOTGIA_BRST \
82 | L3_STATUS_0_USBOTGIA_RSP \
83 | L3_STATUS_0_USBHOSTIA_BRST \
84 | L3_STATUS_0_SMSTA_REQ \
85 | L3_STATUS_0_GPMCTA_REQ \
86 | L3_STATUS_0_OCMRAMTA_REQ \
87 | L3_STATUS_0_OCMROMTA_REQ \
88 | L3_STATUS_0_IVATA_REQ \
89 | L3_STATUS_0_SGXTA_REQ \
90 | L3_STATUS_0_L4CORETA_REQ \
91 | L3_STATUS_0_L4PERTA_REQ \
92 | L3_STATUS_0_L4EMUTA_REQ \
93 | L3_STATUS_0_MAD2DTA_REQ)
94
95#define L3_SI_FLAG_STATUS_1 0x530
96
97#define L3_STATUS_1_MPU_DATAIA (1 << 0)
98#define L3_STATUS_1_DAPIA0 (1 << 3)
99#define L3_STATUS_1_DAPIA1 (1 << 4)
100#define L3_STATUS_1_IVAIA (1 << 6)
101
102#define L3_PM_ERROR_LOG 0x020
103#define L3_PM_CONTROL 0x028
104#define L3_PM_ERROR_CLEAR_SINGLE 0x030
105#define L3_PM_ERROR_CLEAR_MULTI 0x038
106#define L3_PM_REQ_INFO_PERMISSION(n) (0x048 + (0x020 * n))
107#define L3_PM_READ_PERMISSION(n) (0x050 + (0x020 * n))
108#define L3_PM_WRITE_PERMISSION(n) (0x058 + (0x020 * n))
109#define L3_PM_ADDR_MATCH(n) (0x060 + (0x020 * n))
110
111/* L3 error log bit fields. Common for IA and TA */
112#define L3_ERROR_LOG_CODE 24
113#define L3_ERROR_LOG_INITID 8
114#define L3_ERROR_LOG_CMD 0
115
116/* L3 agent status bit fields. */
117#define L3_AGENT_STATUS_CLEAR_IA 0x10000000
118#define L3_AGENT_STATUS_CLEAR_TA 0x01000000
119
120#define OMAP34xx_IRQ_L3_APP 10
121#define L3_APPLICATION_ERROR 0x0
122#define L3_DEBUG_ERROR 0x1
123
124enum omap3_l3_initiator_id {
125 /* LCD has 1 ID */
126 OMAP_L3_LCD = 29,
127 /* SAD2D has 1 ID */
128 OMAP_L3_SAD2D = 28,
129 /* MPU has 5 IDs */
130 OMAP_L3_IA_MPU_SS_1 = 27,
131 OMAP_L3_IA_MPU_SS_2 = 26,
132 OMAP_L3_IA_MPU_SS_3 = 25,
133 OMAP_L3_IA_MPU_SS_4 = 24,
134 OMAP_L3_IA_MPU_SS_5 = 23,
135 /* IVA2.2 SS has 3 IDs*/
136 OMAP_L3_IA_IVA_SS_1 = 22,
137 OMAP_L3_IA_IVA_SS_2 = 21,
138 OMAP_L3_IA_IVA_SS_3 = 20,
139 /* IVA 2.2 SS DMA has 6 IDS */
140 OMAP_L3_IA_IVA_SS_DMA_1 = 19,
141 OMAP_L3_IA_IVA_SS_DMA_2 = 18,
142 OMAP_L3_IA_IVA_SS_DMA_3 = 17,
143 OMAP_L3_IA_IVA_SS_DMA_4 = 16,
144 OMAP_L3_IA_IVA_SS_DMA_5 = 15,
145 OMAP_L3_IA_IVA_SS_DMA_6 = 14,
146 /* SGX has 1 ID */
147 OMAP_L3_IA_SGX = 13,
148 /* CAM has 3 ID */
149 OMAP_L3_IA_CAM_1 = 12,
150 OMAP_L3_IA_CAM_2 = 11,
151 OMAP_L3_IA_CAM_3 = 10,
152 /* DAP has 1 ID */
153 OMAP_L3_IA_DAP = 9,
154 /* SDMA WR has 2 IDs */
155 OMAP_L3_SDMA_WR_1 = 8,
156 OMAP_L3_SDMA_WR_2 = 7,
157 /* SDMA RD has 4 IDs */
158 OMAP_L3_SDMA_RD_1 = 6,
159 OMAP_L3_SDMA_RD_2 = 5,
160 OMAP_L3_SDMA_RD_3 = 4,
161 OMAP_L3_SDMA_RD_4 = 3,
162 /* HSUSB OTG has 1 ID */
163 OMAP_L3_USBOTG = 2,
164 /* HSUSB HOST has 1 ID */
165 OMAP_L3_USBHOST = 1,
166};
167
168enum omap3_l3_code {
169 OMAP_L3_CODE_NOERROR = 0,
170 OMAP_L3_CODE_UNSUP_CMD = 1,
171 OMAP_L3_CODE_ADDR_HOLE = 2,
172 OMAP_L3_CODE_PROTECT_VIOLATION = 3,
173 OMAP_L3_CODE_IN_BAND_ERR = 4,
174 /* codes 5 and 6 are reserved */
175 OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT = 7,
176 OMAP_L3_CODE_REQ_TOUT_NO_RESP = 8,
177 /* codes 9 - 15 are also reserved */
178};
179
180struct omap3_l3 {
181 struct device *dev;
182 struct clk *ick;
183
184 /* memory base*/
185 void __iomem *rt;
186
187 int debug_irq;
188 int app_irq;
189
190 /* true when and inband functional error occurs */
191 unsigned inband:1;
192};
193
194/* offsets for l3 agents in order with the Flag status register */
195static unsigned int omap3_l3_app_bases[] = {
196 /* MPU IA */
197 0x1400,
198 0x1400,
199 0x1400,
200 /* RESERVED */
201 0,
202 0,
203 0,
204 /* IVA 2.2 IA */
205 0x1800,
206 0x1800,
207 0x1800,
208 /* SGX IA */
209 0x1c00,
210 0x1c00,
211 /* RESERVED */
212 0,
213 /* CAMERA IA */
214 0x5800,
215 0x5800,
216 0x5800,
217 /* DISPLAY IA */
218 0x5400,
219 0x5400,
220 /* RESERVED */
221 0,
222 /*SDMA RD IA */
223 0x4c00,
224 0x4c00,
225 /* RESERVED */
226 0,
227 /* SDMA WR IA */
228 0x5000,
229 0x5000,
230 /* RESERVED */
231 0,
232 /* USB OTG IA */
233 0x4400,
234 0x4400,
235 0x4400,
236 /* USB HOST IA */
237 0x4000,
238 0x4000,
239 /* RESERVED */
240 0,
241 0,
242 0,
243 0,
244 /* SAD2D IA */
245 0x3000,
246 0x3000,
247 0x3000,
248 /* RESERVED */
249 0,
250 0,
251 0,
252 0,
253 0,
254 0,
255 0,
256 0,
257 0,
258 0,
259 0,
260 0,
261 /* SMA TA */
262 0x2000,
263 /* GPMC TA */
264 0x2400,
265 /* OCM RAM TA */
266 0x2800,
267 /* OCM ROM TA */
268 0x2C00,
269 /* L4 CORE TA */
270 0x6800,
271 /* L4 PER TA */
272 0x6c00,
273 /* IVA 2.2 TA */
274 0x6000,
275 /* SGX TA */
276 0x6400,
277 /* L4 EMU TA */
278 0x7000,
279 /* GPMC TA */
280 0x2400,
281 /* L4 CORE TA */
282 0x6800,
283 /* L4 PER TA */
284 0x6c00,
285 /* L4 EMU TA */
286 0x7000,
287 /* MAD2D TA */
288 0x3400,
289 /* RESERVED */
290 0,
291 0,
292};
293
294static unsigned int omap3_l3_debug_bases[] = {
295 /* MPU DATA IA */
296 0x1400,
297 /* RESERVED */
298 0,
299 0,
300 /* DAP IA */
301 0x5c00,
302 0x5c00,
303 /* RESERVED */
304 0,
305 /* IVA 2.2 IA */
306 0x1800,
307 /* REST RESERVED */
308};
309
310static u32 *omap3_l3_bases[] = {
311 omap3_l3_app_bases,
312 omap3_l3_debug_bases,
313};
314
315/*
316 * REVISIT define __raw_readll/__raw_writell here, but move them to
317 * <asm/io.h> at some point
318 */
319#define __raw_writell(v, a) (__chk_io_ptr(a), \
320 *(volatile u64 __force *)(a) = (v))
321#define __raw_readll(a) (__chk_io_ptr(a), \
322 *(volatile u64 __force *)(a))
323
324#endif
325

source code of linux/drivers/bus/omap_l3_smx.h