xref: /openbmc/linux/drivers/bus/omap_l3_smx.h (revision add48ba4) 
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 
29 static 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 
124 enum 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 
168 enum 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 
180 struct 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 */
195 static 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 
294 static 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 
310 static 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