xref: /openbmc/linux/drivers/bus/omap_l3_smx.h (revision ae213c44) 
1 /*
2  * OMAP3XXX L3 Interconnect Driver header
3  *
4  * Copyright (C) 2011 Texas Corporation
5  *	Felipe Balbi <balbi@ti.com>
6  *	Santosh Shilimkar <santosh.shilimkar@ti.com>
7  *	sricharan <r.sricharan@ti.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
22  * USA
23  */
24 #ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
25 #define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
26 
27 /* Register definitions. All 64-bit wide */
28 #define L3_COMPONENT			0x000
29 #define L3_CORE				0x018
30 #define L3_AGENT_CONTROL		0x020
31 #define L3_AGENT_STATUS			0x028
32 #define L3_ERROR_LOG			0x058
33 
34 #define L3_ERROR_LOG_MULTI		(1 << 31)
35 #define L3_ERROR_LOG_SECONDARY		(1 << 30)
36 
37 #define L3_ERROR_LOG_ADDR		0x060
38 
39 /* Register definitions for Sideband Interconnect */
40 #define L3_SI_CONTROL			0x020
41 #define L3_SI_FLAG_STATUS_0		0x510
42 
43 static const u64 shift = 1;
44 
45 #define L3_STATUS_0_MPUIA_BRST		(shift << 0)
46 #define L3_STATUS_0_MPUIA_RSP		(shift << 1)
47 #define L3_STATUS_0_MPUIA_INBAND	(shift << 2)
48 #define L3_STATUS_0_IVAIA_BRST		(shift << 6)
49 #define L3_STATUS_0_IVAIA_RSP		(shift << 7)
50 #define L3_STATUS_0_IVAIA_INBAND	(shift << 8)
51 #define L3_STATUS_0_SGXIA_BRST		(shift << 9)
52 #define L3_STATUS_0_SGXIA_RSP		(shift << 10)
53 #define L3_STATUS_0_SGXIA_MERROR	(shift << 11)
54 #define L3_STATUS_0_CAMIA_BRST		(shift << 12)
55 #define L3_STATUS_0_CAMIA_RSP		(shift << 13)
56 #define L3_STATUS_0_CAMIA_INBAND	(shift << 14)
57 #define L3_STATUS_0_DISPIA_BRST		(shift << 15)
58 #define L3_STATUS_0_DISPIA_RSP		(shift << 16)
59 #define L3_STATUS_0_DMARDIA_BRST	(shift << 18)
60 #define L3_STATUS_0_DMARDIA_RSP		(shift << 19)
61 #define L3_STATUS_0_DMAWRIA_BRST	(shift << 21)
62 #define L3_STATUS_0_DMAWRIA_RSP		(shift << 22)
63 #define L3_STATUS_0_USBOTGIA_BRST	(shift << 24)
64 #define L3_STATUS_0_USBOTGIA_RSP	(shift << 25)
65 #define L3_STATUS_0_USBOTGIA_INBAND	(shift << 26)
66 #define L3_STATUS_0_USBHOSTIA_BRST	(shift << 27)
67 #define L3_STATUS_0_USBHOSTIA_INBAND	(shift << 28)
68 #define L3_STATUS_0_SMSTA_REQ		(shift << 48)
69 #define L3_STATUS_0_GPMCTA_REQ		(shift << 49)
70 #define L3_STATUS_0_OCMRAMTA_REQ	(shift << 50)
71 #define L3_STATUS_0_OCMROMTA_REQ	(shift << 51)
72 #define L3_STATUS_0_IVATA_REQ		(shift << 54)
73 #define L3_STATUS_0_SGXTA_REQ		(shift << 55)
74 #define L3_STATUS_0_SGXTA_SERROR	(shift << 56)
75 #define L3_STATUS_0_GPMCTA_SERROR	(shift << 57)
76 #define L3_STATUS_0_L4CORETA_REQ	(shift << 58)
77 #define L3_STATUS_0_L4PERTA_REQ		(shift << 59)
78 #define L3_STATUS_0_L4EMUTA_REQ		(shift << 60)
79 #define L3_STATUS_0_MAD2DTA_REQ		(shift << 61)
80 
81 #define L3_STATUS_0_TIMEOUT_MASK	(L3_STATUS_0_MPUIA_BRST		\
82 					| L3_STATUS_0_MPUIA_RSP		\
83 					| L3_STATUS_0_IVAIA_BRST	\
84 					| L3_STATUS_0_IVAIA_RSP		\
85 					| L3_STATUS_0_SGXIA_BRST	\
86 					| L3_STATUS_0_SGXIA_RSP		\
87 					| L3_STATUS_0_CAMIA_BRST	\
88 					| L3_STATUS_0_CAMIA_RSP		\
89 					| L3_STATUS_0_DISPIA_BRST	\
90 					| L3_STATUS_0_DISPIA_RSP	\
91 					| L3_STATUS_0_DMARDIA_BRST	\
92 					| L3_STATUS_0_DMARDIA_RSP	\
93 					| L3_STATUS_0_DMAWRIA_BRST	\
94 					| L3_STATUS_0_DMAWRIA_RSP	\
95 					| L3_STATUS_0_USBOTGIA_BRST	\
96 					| L3_STATUS_0_USBOTGIA_RSP	\
97 					| L3_STATUS_0_USBHOSTIA_BRST	\
98 					| L3_STATUS_0_SMSTA_REQ		\
99 					| L3_STATUS_0_GPMCTA_REQ	\
100 					| L3_STATUS_0_OCMRAMTA_REQ	\
101 					| L3_STATUS_0_OCMROMTA_REQ	\
102 					| L3_STATUS_0_IVATA_REQ		\
103 					| L3_STATUS_0_SGXTA_REQ		\
104 					| L3_STATUS_0_L4CORETA_REQ	\
105 					| L3_STATUS_0_L4PERTA_REQ	\
106 					| L3_STATUS_0_L4EMUTA_REQ	\
107 					| L3_STATUS_0_MAD2DTA_REQ)
108 
109 #define L3_SI_FLAG_STATUS_1		0x530
110 
111 #define L3_STATUS_1_MPU_DATAIA		(1 << 0)
112 #define L3_STATUS_1_DAPIA0		(1 << 3)
113 #define L3_STATUS_1_DAPIA1		(1 << 4)
114 #define L3_STATUS_1_IVAIA		(1 << 6)
115 
116 #define L3_PM_ERROR_LOG			0x020
117 #define L3_PM_CONTROL			0x028
118 #define L3_PM_ERROR_CLEAR_SINGLE	0x030
119 #define L3_PM_ERROR_CLEAR_MULTI		0x038
120 #define L3_PM_REQ_INFO_PERMISSION(n)	(0x048 + (0x020 * n))
121 #define L3_PM_READ_PERMISSION(n)	(0x050 + (0x020 * n))
122 #define L3_PM_WRITE_PERMISSION(n)	(0x058 + (0x020 * n))
123 #define L3_PM_ADDR_MATCH(n)		(0x060 + (0x020 * n))
124 
125 /* L3 error log bit fields. Common for IA and TA */
126 #define L3_ERROR_LOG_CODE		24
127 #define L3_ERROR_LOG_INITID		8
128 #define L3_ERROR_LOG_CMD		0
129 
130 /* L3 agent status bit fields. */
131 #define L3_AGENT_STATUS_CLEAR_IA	0x10000000
132 #define L3_AGENT_STATUS_CLEAR_TA	0x01000000
133 
134 #define OMAP34xx_IRQ_L3_APP		10
135 #define L3_APPLICATION_ERROR		0x0
136 #define L3_DEBUG_ERROR			0x1
137 
138 enum omap3_l3_initiator_id {
139 	/* LCD has 1 ID */
140 	OMAP_L3_LCD = 29,
141 	/* SAD2D has 1 ID */
142 	OMAP_L3_SAD2D = 28,
143 	/* MPU has 5 IDs */
144 	OMAP_L3_IA_MPU_SS_1 = 27,
145 	OMAP_L3_IA_MPU_SS_2 = 26,
146 	OMAP_L3_IA_MPU_SS_3 = 25,
147 	OMAP_L3_IA_MPU_SS_4 = 24,
148 	OMAP_L3_IA_MPU_SS_5 = 23,
149 	/* IVA2.2 SS has 3 IDs*/
150 	OMAP_L3_IA_IVA_SS_1 = 22,
151 	OMAP_L3_IA_IVA_SS_2 = 21,
152 	OMAP_L3_IA_IVA_SS_3 = 20,
153 	/* IVA 2.2 SS DMA has 6 IDS */
154 	OMAP_L3_IA_IVA_SS_DMA_1 = 19,
155 	OMAP_L3_IA_IVA_SS_DMA_2 = 18,
156 	OMAP_L3_IA_IVA_SS_DMA_3 = 17,
157 	OMAP_L3_IA_IVA_SS_DMA_4 = 16,
158 	OMAP_L3_IA_IVA_SS_DMA_5 = 15,
159 	OMAP_L3_IA_IVA_SS_DMA_6 = 14,
160 	/* SGX has 1 ID */
161 	OMAP_L3_IA_SGX = 13,
162 	/* CAM has 3 ID */
163 	OMAP_L3_IA_CAM_1 = 12,
164 	OMAP_L3_IA_CAM_2 = 11,
165 	OMAP_L3_IA_CAM_3 = 10,
166 	/* DAP has 1 ID */
167 	OMAP_L3_IA_DAP = 9,
168 	/* SDMA WR has 2 IDs */
169 	OMAP_L3_SDMA_WR_1 = 8,
170 	OMAP_L3_SDMA_WR_2 = 7,
171 	/* SDMA RD has 4 IDs */
172 	OMAP_L3_SDMA_RD_1 = 6,
173 	OMAP_L3_SDMA_RD_2 = 5,
174 	OMAP_L3_SDMA_RD_3 = 4,
175 	OMAP_L3_SDMA_RD_4 = 3,
176 	/* HSUSB OTG has 1 ID */
177 	OMAP_L3_USBOTG = 2,
178 	/* HSUSB HOST has 1 ID */
179 	OMAP_L3_USBHOST = 1,
180 };
181 
182 enum omap3_l3_code {
183 	OMAP_L3_CODE_NOERROR = 0,
184 	OMAP_L3_CODE_UNSUP_CMD = 1,
185 	OMAP_L3_CODE_ADDR_HOLE = 2,
186 	OMAP_L3_CODE_PROTECT_VIOLATION = 3,
187 	OMAP_L3_CODE_IN_BAND_ERR = 4,
188 	/* codes 5 and 6 are reserved */
189 	OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT = 7,
190 	OMAP_L3_CODE_REQ_TOUT_NO_RESP = 8,
191 	/* codes 9 - 15 are also reserved */
192 };
193 
194 struct omap3_l3 {
195 	struct device *dev;
196 	struct clk *ick;
197 
198 	/* memory base*/
199 	void __iomem *rt;
200 
201 	int debug_irq;
202 	int app_irq;
203 
204 	/* true when and inband functional error occurs */
205 	unsigned inband:1;
206 };
207 
208 /* offsets for l3 agents in order with the Flag status register */
209 static unsigned int omap3_l3_app_bases[] = {
210 	/* MPU IA */
211 	0x1400,
212 	0x1400,
213 	0x1400,
214 	/* RESERVED */
215 	0,
216 	0,
217 	0,
218 	/* IVA 2.2 IA */
219 	0x1800,
220 	0x1800,
221 	0x1800,
222 	/* SGX IA */
223 	0x1c00,
224 	0x1c00,
225 	/* RESERVED */
226 	0,
227 	/* CAMERA IA */
228 	0x5800,
229 	0x5800,
230 	0x5800,
231 	/* DISPLAY IA */
232 	0x5400,
233 	0x5400,
234 	/* RESERVED */
235 	0,
236 	/*SDMA RD IA */
237 	0x4c00,
238 	0x4c00,
239 	/* RESERVED */
240 	0,
241 	/* SDMA WR IA */
242 	0x5000,
243 	0x5000,
244 	/* RESERVED */
245 	0,
246 	/* USB OTG IA */
247 	0x4400,
248 	0x4400,
249 	0x4400,
250 	/* USB HOST IA */
251 	0x4000,
252 	0x4000,
253 	/* RESERVED */
254 	0,
255 	0,
256 	0,
257 	0,
258 	/* SAD2D IA */
259 	0x3000,
260 	0x3000,
261 	0x3000,
262 	/* RESERVED */
263 	0,
264 	0,
265 	0,
266 	0,
267 	0,
268 	0,
269 	0,
270 	0,
271 	0,
272 	0,
273 	0,
274 	0,
275 	/* SMA TA */
276 	0x2000,
277 	/* GPMC TA */
278 	0x2400,
279 	/* OCM RAM TA */
280 	0x2800,
281 	/* OCM ROM TA */
282 	0x2C00,
283 	/* L4 CORE TA */
284 	0x6800,
285 	/* L4 PER TA */
286 	0x6c00,
287 	/* IVA 2.2 TA */
288 	0x6000,
289 	/* SGX TA */
290 	0x6400,
291 	/* L4 EMU TA */
292 	0x7000,
293 	/* GPMC TA */
294 	0x2400,
295 	/* L4 CORE TA */
296 	0x6800,
297 	/* L4 PER TA */
298 	0x6c00,
299 	/* L4 EMU TA */
300 	0x7000,
301 	/* MAD2D TA */
302 	0x3400,
303 	/* RESERVED */
304 	0,
305 	0,
306 };
307 
308 static unsigned int omap3_l3_debug_bases[] = {
309 	/* MPU DATA IA */
310 	0x1400,
311 	/* RESERVED */
312 	0,
313 	0,
314 	/* DAP IA */
315 	0x5c00,
316 	0x5c00,
317 	/* RESERVED */
318 	0,
319 	/* IVA 2.2 IA */
320 	0x1800,
321 	/* REST RESERVED */
322 };
323 
324 static u32 *omap3_l3_bases[] = {
325 	omap3_l3_app_bases,
326 	omap3_l3_debug_bases,
327 };
328 
329 /*
330  * REVISIT define __raw_readll/__raw_writell here, but move them to
331  * <asm/io.h> at some point
332  */
333 #define __raw_writell(v, a)	(__chk_io_ptr(a), \
334 				*(volatile u64 __force *)(a) = (v))
335 #define __raw_readll(a)		(__chk_io_ptr(a), \
336 				*(volatile u64 __force *)(a))
337 
338 #endif
339