diff options
-rw-r--r-- | arch/arm/mach-omap2/Makefile | 3 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap_l3_smx.c | 314 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap_l3_smx.h | 338 |
3 files changed, 655 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 1c3635d7f4cf..e4c9bb3ad894 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile | |||
@@ -135,6 +135,9 @@ obj-$(CONFIG_ARCH_OMAP4) += omap_hwmod_44xx_data.o | |||
135 | # EMU peripherals | 135 | # EMU peripherals |
136 | obj-$(CONFIG_OMAP3_EMU) += emu.o | 136 | obj-$(CONFIG_OMAP3_EMU) += emu.o |
137 | 137 | ||
138 | # L3 interconnect | ||
139 | obj-$(CONFIG_ARCH_OMAP3) += omap_l3_smx.o | ||
140 | |||
138 | obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox_mach.o | 141 | obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox_mach.o |
139 | mailbox_mach-objs := mailbox.o | 142 | mailbox_mach-objs := mailbox.o |
140 | 143 | ||
diff --git a/arch/arm/mach-omap2/omap_l3_smx.c b/arch/arm/mach-omap2/omap_l3_smx.c new file mode 100644 index 000000000000..265bff3acb9e --- /dev/null +++ b/arch/arm/mach-omap2/omap_l3_smx.c | |||
@@ -0,0 +1,314 @@ | |||
1 | /* | ||
2 | * OMAP3XXX L3 Interconnect Driver | ||
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 | |||
25 | #include <linux/kernel.h> | ||
26 | #include <linux/slab.h> | ||
27 | #include <linux/platform_device.h> | ||
28 | #include <linux/interrupt.h> | ||
29 | #include <linux/io.h> | ||
30 | #include "omap_l3_smx.h" | ||
31 | |||
32 | static inline u64 omap3_l3_readll(void __iomem *base, u16 reg) | ||
33 | { | ||
34 | return __raw_readll(base + reg); | ||
35 | } | ||
36 | |||
37 | static inline void omap3_l3_writell(void __iomem *base, u16 reg, u64 value) | ||
38 | { | ||
39 | __raw_writell(value, base + reg); | ||
40 | } | ||
41 | |||
42 | static inline enum omap3_l3_code omap3_l3_decode_error_code(u64 error) | ||
43 | { | ||
44 | return (error & 0x0f000000) >> L3_ERROR_LOG_CODE; | ||
45 | } | ||
46 | |||
47 | static inline u32 omap3_l3_decode_addr(u64 error_addr) | ||
48 | { | ||
49 | return error_addr & 0xffffffff; | ||
50 | } | ||
51 | |||
52 | static inline unsigned omap3_l3_decode_cmd(u64 error) | ||
53 | { | ||
54 | return (error & 0x07) >> L3_ERROR_LOG_CMD; | ||
55 | } | ||
56 | |||
57 | static inline enum omap3_l3_initiator_id omap3_l3_decode_initid(u64 error) | ||
58 | { | ||
59 | return (error & 0xff00) >> L3_ERROR_LOG_INITID; | ||
60 | } | ||
61 | |||
62 | static inline unsigned omap3_l3_decode_req_info(u64 error) | ||
63 | { | ||
64 | return (error >> 32) & 0xffff; | ||
65 | } | ||
66 | |||
67 | static char *omap3_l3_code_string(u8 code) | ||
68 | { | ||
69 | switch (code) { | ||
70 | case OMAP_L3_CODE_NOERROR: | ||
71 | return "No Error"; | ||
72 | case OMAP_L3_CODE_UNSUP_CMD: | ||
73 | return "Unsupported Command"; | ||
74 | case OMAP_L3_CODE_ADDR_HOLE: | ||
75 | return "Address Hole"; | ||
76 | case OMAP_L3_CODE_PROTECT_VIOLATION: | ||
77 | return "Protection Violation"; | ||
78 | case OMAP_L3_CODE_IN_BAND_ERR: | ||
79 | return "In-band Error"; | ||
80 | case OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT: | ||
81 | return "Request Timeout Not Accepted"; | ||
82 | case OMAP_L3_CODE_REQ_TOUT_NO_RESP: | ||
83 | return "Request Timeout, no response"; | ||
84 | default: | ||
85 | return "UNKNOWN error"; | ||
86 | } | ||
87 | } | ||
88 | |||
89 | static char *omap3_l3_initiator_string(u8 initid) | ||
90 | { | ||
91 | switch (initid) { | ||
92 | case OMAP_L3_LCD: | ||
93 | return "LCD"; | ||
94 | case OMAP_L3_SAD2D: | ||
95 | return "SAD2D"; | ||
96 | case OMAP_L3_IA_MPU_SS_1: | ||
97 | case OMAP_L3_IA_MPU_SS_2: | ||
98 | case OMAP_L3_IA_MPU_SS_3: | ||
99 | case OMAP_L3_IA_MPU_SS_4: | ||
100 | case OMAP_L3_IA_MPU_SS_5: | ||
101 | return "MPU"; | ||
102 | case OMAP_L3_IA_IVA_SS_1: | ||
103 | case OMAP_L3_IA_IVA_SS_2: | ||
104 | case OMAP_L3_IA_IVA_SS_3: | ||
105 | return "IVA_SS"; | ||
106 | case OMAP_L3_IA_IVA_SS_DMA_1: | ||
107 | case OMAP_L3_IA_IVA_SS_DMA_2: | ||
108 | case OMAP_L3_IA_IVA_SS_DMA_3: | ||
109 | case OMAP_L3_IA_IVA_SS_DMA_4: | ||
110 | case OMAP_L3_IA_IVA_SS_DMA_5: | ||
111 | case OMAP_L3_IA_IVA_SS_DMA_6: | ||
112 | return "IVA_SS_DMA"; | ||
113 | case OMAP_L3_IA_SGX: | ||
114 | return "SGX"; | ||
115 | case OMAP_L3_IA_CAM_1: | ||
116 | case OMAP_L3_IA_CAM_2: | ||
117 | case OMAP_L3_IA_CAM_3: | ||
118 | return "CAM"; | ||
119 | case OMAP_L3_IA_DAP: | ||
120 | return "DAP"; | ||
121 | case OMAP_L3_SDMA_WR_1: | ||
122 | case OMAP_L3_SDMA_WR_2: | ||
123 | return "SDMA_WR"; | ||
124 | case OMAP_L3_SDMA_RD_1: | ||
125 | case OMAP_L3_SDMA_RD_2: | ||
126 | case OMAP_L3_SDMA_RD_3: | ||
127 | case OMAP_L3_SDMA_RD_4: | ||
128 | return "SDMA_RD"; | ||
129 | case OMAP_L3_USBOTG: | ||
130 | return "USB_OTG"; | ||
131 | case OMAP_L3_USBHOST: | ||
132 | return "USB_HOST"; | ||
133 | default: | ||
134 | return "UNKNOWN Initiator"; | ||
135 | } | ||
136 | } | ||
137 | |||
138 | /** | ||
139 | * omap3_l3_block_irq - handles a register block's irq | ||
140 | * @l3: struct omap3_l3 * | ||
141 | * @base: register block base address | ||
142 | * @error: L3_ERROR_LOG register of our block | ||
143 | * | ||
144 | * Called in hard-irq context. Caller should take care of locking | ||
145 | * | ||
146 | * OMAP36xx TRM gives, on page 2001, Figure 9-10, the Typical Error | ||
147 | * Analysis Sequence, we are following that sequence here, please | ||
148 | * refer to that Figure for more information on the subject. | ||
149 | */ | ||
150 | static irqreturn_t omap3_l3_block_irq(struct omap3_l3 *l3, | ||
151 | u64 error, int error_addr) | ||
152 | { | ||
153 | u8 code = omap3_l3_decode_error_code(error); | ||
154 | u8 initid = omap3_l3_decode_initid(error); | ||
155 | u8 multi = error & L3_ERROR_LOG_MULTI; | ||
156 | u32 address = omap3_l3_decode_addr(error_addr); | ||
157 | |||
158 | WARN(true, "%s Error seen by %s %s at address %x\n", | ||
159 | omap3_l3_code_string(code), | ||
160 | omap3_l3_initiator_string(initid), | ||
161 | multi ? "Multiple Errors" : "", | ||
162 | address); | ||
163 | |||
164 | return IRQ_HANDLED; | ||
165 | } | ||
166 | |||
167 | static irqreturn_t omap3_l3_app_irq(int irq, void *_l3) | ||
168 | { | ||
169 | struct omap3_l3 *l3 = _l3; | ||
170 | |||
171 | u64 status, clear; | ||
172 | u64 error; | ||
173 | u64 error_addr; | ||
174 | u64 err_source = 0; | ||
175 | void __iomem *base; | ||
176 | int int_type; | ||
177 | |||
178 | irqreturn_t ret = IRQ_NONE; | ||
179 | |||
180 | if (irq == l3->app_irq) | ||
181 | int_type = L3_APPLICATION_ERROR; | ||
182 | else | ||
183 | int_type = L3_DEBUG_ERROR; | ||
184 | |||
185 | if (!int_type) { | ||
186 | status = omap3_l3_readll(l3->rt, L3_SI_FLAG_STATUS_0); | ||
187 | /* | ||
188 | * if we have a timeout error, there's nothing we can | ||
189 | * do besides rebooting the board. So let's BUG on any | ||
190 | * of such errors and handle the others. timeout error | ||
191 | * is severe and not expected to occur. | ||
192 | */ | ||
193 | BUG_ON(status & L3_STATUS_0_TIMEOUT_MASK); | ||
194 | } else { | ||
195 | status = omap3_l3_readll(l3->rt, L3_SI_FLAG_STATUS_1); | ||
196 | /* No timeout error for debug sources */ | ||
197 | } | ||
198 | |||
199 | base = ((l3->rt) + (*(omap3_l3_bases[int_type] + err_source))); | ||
200 | |||
201 | /* identify the error source */ | ||
202 | for (err_source = 0; !(status & (1 << err_source)); err_source++) | ||
203 | ; | ||
204 | error = omap3_l3_readll(base, L3_ERROR_LOG); | ||
205 | |||
206 | if (error) { | ||
207 | error_addr = omap3_l3_readll(base, L3_ERROR_LOG_ADDR); | ||
208 | |||
209 | ret |= omap3_l3_block_irq(l3, error, error_addr); | ||
210 | } | ||
211 | |||
212 | /* Clear the status register */ | ||
213 | clear = ((L3_AGENT_STATUS_CLEAR_IA << int_type) | | ||
214 | (L3_AGENT_STATUS_CLEAR_TA)); | ||
215 | |||
216 | omap3_l3_writell(base, L3_AGENT_STATUS, clear); | ||
217 | |||
218 | /* clear the error log register */ | ||
219 | omap3_l3_writell(base, L3_ERROR_LOG, error); | ||
220 | |||
221 | return ret; | ||
222 | } | ||
223 | |||
224 | static int __init omap3_l3_probe(struct platform_device *pdev) | ||
225 | { | ||
226 | struct omap3_l3 *l3; | ||
227 | struct resource *res; | ||
228 | int ret; | ||
229 | int irq; | ||
230 | |||
231 | l3 = kzalloc(sizeof(*l3), GFP_KERNEL); | ||
232 | if (!l3) { | ||
233 | ret = -ENOMEM; | ||
234 | goto err0; | ||
235 | } | ||
236 | |||
237 | platform_set_drvdata(pdev, l3); | ||
238 | |||
239 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
240 | if (!res) { | ||
241 | dev_err(&pdev->dev, "couldn't find resource\n"); | ||
242 | ret = -ENODEV; | ||
243 | goto err1; | ||
244 | } | ||
245 | l3->rt = ioremap(res->start, resource_size(res)); | ||
246 | if (!(l3->rt)) { | ||
247 | dev_err(&pdev->dev, "ioremap failed\n"); | ||
248 | ret = -ENOMEM; | ||
249 | goto err2; | ||
250 | } | ||
251 | |||
252 | irq = platform_get_irq(pdev, 0); | ||
253 | ret = request_irq(irq, omap3_l3_app_irq, | ||
254 | IRQF_DISABLED | IRQF_TRIGGER_RISING, | ||
255 | "l3-debug-irq", l3); | ||
256 | if (ret) { | ||
257 | dev_err(&pdev->dev, "couldn't request debug irq\n"); | ||
258 | goto err3; | ||
259 | } | ||
260 | l3->debug_irq = irq; | ||
261 | |||
262 | irq = platform_get_irq(pdev, 1); | ||
263 | ret = request_irq(irq, omap3_l3_app_irq, | ||
264 | IRQF_DISABLED | IRQF_TRIGGER_RISING, | ||
265 | "l3-app-irq", l3); | ||
266 | |||
267 | if (ret) { | ||
268 | dev_err(&pdev->dev, "couldn't request app irq\n"); | ||
269 | goto err4; | ||
270 | } | ||
271 | |||
272 | l3->app_irq = irq; | ||
273 | goto err0; | ||
274 | |||
275 | err4: | ||
276 | err3: | ||
277 | iounmap(l3->rt); | ||
278 | err2: | ||
279 | err1: | ||
280 | kfree(l3); | ||
281 | err0: | ||
282 | return ret; | ||
283 | } | ||
284 | |||
285 | static int __exit omap3_l3_remove(struct platform_device *pdev) | ||
286 | { | ||
287 | struct omap3_l3 *l3 = platform_get_drvdata(pdev); | ||
288 | |||
289 | free_irq(l3->app_irq, l3); | ||
290 | free_irq(l3->debug_irq, l3); | ||
291 | iounmap(l3->rt); | ||
292 | kfree(l3); | ||
293 | |||
294 | return 0; | ||
295 | } | ||
296 | |||
297 | static struct platform_driver omap3_l3_driver = { | ||
298 | .remove = __exit_p(omap3_l3_remove), | ||
299 | .driver = { | ||
300 | .name = "omap_l3_smx", | ||
301 | }, | ||
302 | }; | ||
303 | |||
304 | static int __init omap3_l3_init(void) | ||
305 | { | ||
306 | return platform_driver_probe(&omap3_l3_driver, omap3_l3_probe); | ||
307 | } | ||
308 | postcore_initcall_sync(omap3_l3_init); | ||
309 | |||
310 | static void __exit omap3_l3_exit(void) | ||
311 | { | ||
312 | platform_driver_unregister(&omap3_l3_driver); | ||
313 | } | ||
314 | module_exit(omap3_l3_exit); | ||
diff --git a/arch/arm/mach-omap2/omap_l3_smx.h b/arch/arm/mach-omap2/omap_l3_smx.h new file mode 100644 index 000000000000..ba2ed9a850cc --- /dev/null +++ b/arch/arm/mach-omap2/omap_l3_smx.h | |||
@@ -0,0 +1,338 @@ | |||
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 | 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 | unsigned int __iomem 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 | unsigned int __iomem 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 | 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 | ||