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intc-sh7367.c
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1 /*
2  * sh7367 processor support - INTC hardware block
3  *
4  * Copyright (C) 2010 Magnus Damm
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; version 2 of the License.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/interrupt.h>
22 #include <linux/irq.h>
23 #include <linux/io.h>
24 #include <linux/sh_intc.h>
25 #include <mach/intc.h>
26 #include <mach/irqs.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 
30 enum {
34 
35  /* interrupt sources INTCA */
55  SIU,
56  SPU,
63  DDM,
72 
73  /* interrupt groups INTCA */
76 };
77 
78 static struct intc_vect intca_vectors[] __initdata = {
79  INTC_VECT(DIRC, 0x0560),
80  INTC_VECT(CRYPT1_ERR, 0x05e0),
81  INTC_VECT(CRYPT2_STD, 0x0700),
82  INTC_VECT(IIC1_ALI1, 0x0780), INTC_VECT(IIC1_TACKI1, 0x07a0),
83  INTC_VECT(IIC1_WAITI1, 0x07c0), INTC_VECT(IIC1_DTEI1, 0x07e0),
84  INTC_VECT(ARM11_IRQPMU, 0x0800), INTC_VECT(ARM11_COMMTX, 0x0840),
85  INTC_VECT(ARM11_COMMRX, 0x0860),
86  INTC_VECT(ETM11_ACQCMP, 0x0880), INTC_VECT(ETM11_FULL, 0x08a0),
87  INTC_VECT(MFI_MFIM, 0x0900), INTC_VECT(MFI_MFIS, 0x0920),
88  INTC_VECT(BBIF1, 0x0940), INTC_VECT(BBIF2, 0x0960),
89  INTC_VECT(USBDMAC_USHDMI, 0x0a00),
90  INTC_VECT(USBHS_USHI0, 0x0a20), INTC_VECT(USBHS_USHI1, 0x0a40),
91  INTC_VECT(CMT1_CMT10, 0x0b00), INTC_VECT(CMT1_CMT11, 0x0b20),
92  INTC_VECT(CMT1_CMT12, 0x0b40), INTC_VECT(CMT1_CMT13, 0x0b60),
93  INTC_VECT(CMT2, 0x0b80), INTC_VECT(CMT3, 0x0ba0),
94  INTC_VECT(KEYSC_KEY, 0x0be0),
95  INTC_VECT(SCIFA0, 0x0c00), INTC_VECT(SCIFA1, 0x0c20),
96  INTC_VECT(SCIFA2, 0x0c40), INTC_VECT(SCIFA3, 0x0c60),
97  INTC_VECT(MSIOF2, 0x0c80), INTC_VECT(MSIOF1, 0x0d00),
98  INTC_VECT(SCIFA4, 0x0d20), INTC_VECT(SCIFA5, 0x0d40),
99  INTC_VECT(SCIFB, 0x0d60),
100  INTC_VECT(FLCTL_FLSTEI, 0x0d80), INTC_VECT(FLCTL_FLTENDI, 0x0da0),
102  INTC_VECT(SDHI0, 0x0e00), INTC_VECT(SDHI0, 0x0e20),
103  INTC_VECT(SDHI0, 0x0e40), INTC_VECT(SDHI0, 0x0e60),
104  INTC_VECT(SDHI1, 0x0e80), INTC_VECT(SDHI1, 0x0ea0),
105  INTC_VECT(SDHI1, 0x0ec0), INTC_VECT(SDHI1, 0x0ee0),
106  INTC_VECT(MSU_MSU, 0x0f20), INTC_VECT(MSU_MSU2, 0x0f40),
107  INTC_VECT(IREM, 0x0f60),
108  INTC_VECT(SIU, 0x0fa0),
109  INTC_VECT(SPU, 0x0fc0),
110  INTC_VECT(IRDA, 0x0480),
111  INTC_VECT(TPU0, 0x04a0), INTC_VECT(TPU1, 0x04c0),
112  INTC_VECT(TPU2, 0x04e0), INTC_VECT(TPU3, 0x0500),
113  INTC_VECT(TPU4, 0x0520),
114  INTC_VECT(LCRC, 0x0540),
115  INTC_VECT(PINT1, 0x1000), INTC_VECT(PINT2, 0x1020),
116  INTC_VECT(TTI20, 0x1100),
117  INTC_VECT(MISTY, 0x1120),
118  INTC_VECT(DDM, 0x1140),
119  INTC_VECT(SDHI2, 0x1200), INTC_VECT(SDHI2, 0x1220),
120  INTC_VECT(SDHI2, 0x1240), INTC_VECT(SDHI2, 0x1260),
121  INTC_VECT(RWDT0, 0x1280), INTC_VECT(RWDT1, 0x12a0),
122  INTC_VECT(DMAC_1_DEI0, 0x2000), INTC_VECT(DMAC_1_DEI1, 0x2020),
123  INTC_VECT(DMAC_1_DEI2, 0x2040), INTC_VECT(DMAC_1_DEI3, 0x2060),
124  INTC_VECT(DMAC_2_DEI4, 0x2080), INTC_VECT(DMAC_2_DEI5, 0x20a0),
125  INTC_VECT(DMAC_2_DADERR, 0x20c0),
126  INTC_VECT(DMAC2_1_DEI0, 0x2100), INTC_VECT(DMAC2_1_DEI1, 0x2120),
127  INTC_VECT(DMAC2_1_DEI2, 0x2140), INTC_VECT(DMAC2_1_DEI3, 0x2160),
128  INTC_VECT(DMAC2_2_DEI4, 0x2180), INTC_VECT(DMAC2_2_DEI5, 0x21a0),
129  INTC_VECT(DMAC2_2_DADERR, 0x21c0),
130  INTC_VECT(DMAC3_1_DEI0, 0x2200), INTC_VECT(DMAC3_1_DEI1, 0x2220),
131  INTC_VECT(DMAC3_1_DEI2, 0x2240), INTC_VECT(DMAC3_1_DEI3, 0x2260),
132  INTC_VECT(DMAC3_2_DEI4, 0x2280), INTC_VECT(DMAC3_2_DEI5, 0x22a0),
133  INTC_VECT(DMAC3_2_DADERR, 0x22c0),
134 };
135 
136 static struct intc_group intca_groups[] __initdata = {
155 };
156 
157 static struct intc_mask_reg intca_mask_registers[] __initdata = {
158  { 0xe6940080, 0xe69400c0, 8, /* IMR0A / IMCR0A */
161  { 0xe6940084, 0xe69400c4, 8, /* IMR1A / IMCR1A */
162  { CRYPT1_ERR, CRYPT2_STD, DIRC, 0,
164  { 0xe6940088, 0xe69400c8, 8, /* IMR2A / IMCR2A */
165  { PINT1, PINT2, 0, 0,
166  BBIF1, BBIF2, MFI_MFIS, MFI_MFIM } },
167  { 0xe694008c, 0xe69400cc, 8, /* IMR3A / IMCR3A */
170  { 0xe6940090, 0xe69400d0, 8, /* IMR4A / IMCR4A */
171  { DDM, 0, 0, 0,
172  0, 0, ETM11_FULL, ETM11_ACQCMP } },
173  { 0xe6940094, 0xe69400d4, 8, /* IMR5A / IMCR5A */
175  SCIFA3, SCIFA2, SCIFA1, SCIFA0 } },
176  { 0xe6940098, 0xe69400d8, 8, /* IMR6A / IMCR6A */
177  { SCIFB, SCIFA5, SCIFA4, MSIOF1,
178  0, 0, MSIOF2, 0 } },
179  { 0xe694009c, 0xe69400dc, 8, /* IMR7A / IMCR7A */
182  { 0xe69400a0, 0xe69400e0, 8, /* IMR8A / IMCR8A */
184  TTI20, USBDMAC_USHDMI, SPU, SIU } },
185  { 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */
187  CMT2, USBHS_USHI1, USBHS_USHI0, 0 } },
188  { 0xe69400a8, 0xe69400e8, 8, /* IMR10A / IMCR10A */
190  0, 0, 0, 0 } },
191  { 0xe69400ac, 0xe69400ec, 8, /* IMR11A / IMCR11A */
193  LCRC, MSU_MSU2, IREM, MSU_MSU } },
194  { 0xe69400b0, 0xe69400f0, 8, /* IMR12A / IMCR12A */
195  { 0, 0, TPU0, TPU1,
196  TPU2, TPU3, TPU4, 0 } },
197  { 0xe69400b4, 0xe69400f4, 8, /* IMR13A / IMCR13A */
199  MISTY, CMT3, RWDT1, RWDT0 } },
200 };
201 
202 static struct intc_prio_reg intca_prio_registers[] __initdata = {
203  { 0xe6940000, 0, 16, 4, /* IPRAA */ { DMAC3_1, DMAC3_2, CMT2, LCRC } },
204  { 0xe6940004, 0, 16, 4, /* IPRBA */ { IRDA, ETM11, BBIF1, BBIF2 } },
205  { 0xe6940008, 0, 16, 4, /* IPRCA */ { CRYPT1_ERR, CRYPT2_STD,
206  CMT1_CMT11, ARM11 } },
207  { 0xe694000c, 0, 16, 4, /* IPRDA */ { PINT1, PINT2,
208  CMT1_CMT12, TPU4 } },
209  { 0xe6940010, 0, 16, 4, /* IPREA */ { DMAC_1, MFI_MFIS,
210  MFI_MFIM, USBHS } },
211  { 0xe6940014, 0, 16, 4, /* IPRFA */ { KEYSC_KEY, DMAC_2,
212  0, CMT1_CMT10 } },
213  { 0xe6940018, 0, 16, 4, /* IPRGA */ { SCIFA0, SCIFA1,
214  SCIFA2, SCIFA3 } },
215  { 0xe694001c, 0, 16, 4, /* IPRGH */ { MSIOF2, USBDMAC_USHDMI,
216  FLCTL, SDHI0 } },
217  { 0xe6940020, 0, 16, 4, /* IPRIA */ { MSIOF1, SCIFA4, MSU_MSU, IIC1 } },
218  { 0xe6940024, 0, 16, 4, /* IPRJA */ { DMAC2_1, DMAC2_2, SIU, TTI20 } },
219  { 0xe6940028, 0, 16, 4, /* IPRKA */ { 0, CMT1_CMT13, IREM, SDHI1 } },
220  { 0xe694002c, 0, 16, 4, /* IPRLA */ { TPU0, TPU1, TPU2, TPU3 } },
221  { 0xe6940030, 0, 16, 4, /* IPRMA */ { MISTY, CMT3, RWDT1, RWDT0 } },
222  { 0xe6940034, 0, 16, 4, /* IPRNA */ { SCIFB, SCIFA5, SPU, DDM } },
223  { 0xe6940038, 0, 16, 4, /* IPROA */ { 0, 0, DIRC, SDHI2 } },
224 };
225 
226 static struct intc_desc intca_desc __initdata = {
227  .name = "sh7367-intca",
228  .force_enable = ENABLED,
229  .force_disable = DISABLED,
230  .hw = INTC_HW_DESC(intca_vectors, intca_groups,
231  intca_mask_registers, intca_prio_registers,
232  NULL, NULL),
233 };
234 
235 INTC_IRQ_PINS_16(intca_irq_pins, 0xe6900000,
236  INTC_VECT, "sh7367-intca-irq-pins");
237 
238 enum {
240 
242 
243  /* interrupt sources INTCS */
269 
270  /* interrupt groups INTCS */
272 };
273 
274 static struct intc_vect intcs_vectors[] = {
275  INTCS_VECT(VIO2_VEU0, 0x700), INTCS_VECT(VIO2_VEU1, 0x720),
276  INTCS_VECT(VIO2_VEU2, 0x740), INTCS_VECT(VIO2_VEU3, 0x760),
277  INTCS_VECT(VIO3_VOU, 0x780),
280  INTCS_VECT(VIO1_CEU, 0x880), INTCS_VECT(VIO1_BEU0, 0x8a0),
281  INTCS_VECT(VIO1_BEU1, 0x8c0), INTCS_VECT(VIO1_BEU2, 0x8e0),
282  INTCS_VECT(VPU, 0x980),
283  INTCS_VECT(SGX530, 0x9e0),
286  INTCS_VECT(IIC2_ALI2, 0xa80), INTCS_VECT(IIC2_TACKI2, 0xaa0),
287  INTCS_VECT(IIC2_WAITI2, 0xac0), INTCS_VECT(IIC2_DTEI2, 0xae0),
290  INTCS_VECT(RTDMAC_2_DADERR, 0xbc0),
291  INTCS_VECT(MSIOF, 0xd20),
292  INTCS_VECT(IIC0_ALI0, 0xe00), INTCS_VECT(IIC0_TACKI0, 0xe20),
293  INTCS_VECT(IIC0_WAITI0, 0xe40), INTCS_VECT(IIC0_DTEI0, 0xe60),
294  INTCS_VECT(TMU_TUNI0, 0xe80), INTCS_VECT(TMU_TUNI1, 0xea0),
295  INTCS_VECT(TMU_TUNI2, 0xec0),
296  INTCS_VECT(CMT, 0xf00),
297  INTCS_VECT(TSIF, 0xf20),
298  INTCS_VECT(IPMMUI, 0xf60),
299  INTCS_VECT(MVI3, 0x420),
300  INTCS_VECT(ICB, 0x480),
301  INTCS_VECT(PEP, 0x4a0),
302  INTCS_VECT(ASA, 0x4c0),
303  INTCS_VECT(BEM, 0x4e0),
304  INTCS_VECT(VE2HO, 0x520),
305  INTCS_VECT(HQE, 0x540),
306  INTCS_VECT(JPEG, 0x560),
307  INTCS_VECT(LCDC, 0x580),
308 
309  INTC_VECT(INTCS, 0xf80),
310 };
311 
312 static struct intc_group intcs_groups[] __initdata = {
323 };
324 
325 static struct intc_mask_reg intcs_mask_registers[] = {
326  { 0xffd20184, 0xffd201c4, 8, /* IMR1SA / IMCR1SA */
329  { 0xffd20188, 0xffd201c8, 8, /* IMR2SA / IMCR2SA */
330  { VIO3_VOU, 0, VE2HO, VPU,
331  0, 0, 0, 0 } },
332  { 0xffd2018c, 0xffd201cc, 8, /* IMR3SA / IMCR3SA */
334  BEM, ASA, PEP, ICB } },
335  { 0xffd20190, 0xffd201d0, 8, /* IMR4SA / IMCR4SA */
336  { 0, 0, MVI3, 0,
337  JPEG, HQE, 0, LCDC } },
338  { 0xffd20194, 0xffd201d4, 8, /* IMR5SA / IMCR5SA */
341  { 0xffd20198, 0xffd201d8, 8, /* IMR6SA / IMCR6SA */
342  { 0, 0, MSIOF, 0,
343  SGX530, 0, 0, 0 } },
344  { 0xffd2019c, 0xffd201dc, 8, /* IMR7SA / IMCR7SA */
346  0, 0, 0, 0 } },
347  { 0xffd201a4, 0xffd201e4, 8, /* IMR9SA / IMCR9SA */
348  { 0, 0, 0, CMT,
350  { 0xffd201a8, 0xffd201e8, 8, /* IMR10SA / IMCR10SA */
351  { IPMMU_IPMMUS, 0, IPMMU_IPMMUB, 0,
352  0, 0, 0, 0 } },
353  { 0xffd201ac, 0xffd201ec, 8, /* IMR11SA / IMCR11SA */
355  0, 0, IPMMUI, TSIF } },
356  { 0xffd20104, 0, 16, /* INTAMASK */
357  { 0, 0, 0, 0, 0, 0, 0, 0,
358  0, 0, 0, 0, 0, 0, 0, INTCS } },
359 };
360 
361 /* Priority is needed for INTCA to receive the INTCS interrupt */
362 static struct intc_prio_reg intcs_prio_registers[] = {
363  { 0xffd20000, 0, 16, 4, /* IPRAS */ { 0, MVI3, _2DDMAC, ICB } },
364  { 0xffd20004, 0, 16, 4, /* IPRBS */ { JPEG, LCDC, 0, 0 } },
365  { 0xffd20008, 0, 16, 4, /* IPRCS */ { BBIF2, 0, 0, 0 } },
366  { 0xffd20010, 0, 16, 4, /* IPRES */ { RTDMAC_1, VIO1_CEU, 0, VPU } },
367  { 0xffd20014, 0, 16, 4, /* IPRFS */ { 0, RTDMAC_2, 0, CMT } },
368  { 0xffd20018, 0, 16, 4, /* IPRGS */ { TMU_TUNI0, TMU_TUNI1,
369  TMU_TUNI2, 0 } },
370  { 0xffd2001c, 0, 16, 4, /* IPRHS */ { 0, VIO3_VOU, VEU, BEU } },
371  { 0xffd20020, 0, 16, 4, /* IPRIS */ { 0, MSIOF, TSIF, IIC0 } },
372  { 0xffd20024, 0, 16, 4, /* IPRJS */ { 0, SGX530, 0, 0 } },
373  { 0xffd20028, 0, 16, 4, /* IPRKS */ { BEM, ASA, IPMMUI, PEP } },
374  { 0xffd2002c, 0, 16, 4, /* IPRLS */ { IPMMU, 0, VE2HO, HQE } },
375  { 0xffd20030, 0, 16, 4, /* IPRMS */ { IIC2, 0, 0, 0 } },
376 };
377 
378 static struct resource intcs_resources[] __initdata = {
379  [0] = {
380  .start = 0xffd20000,
381  .end = 0xffd2ffff,
382  .flags = IORESOURCE_MEM,
383  }
384 };
385 
386 static struct intc_desc intcs_desc __initdata = {
387  .name = "sh7367-intcs",
388  .resource = intcs_resources,
389  .num_resources = ARRAY_SIZE(intcs_resources),
390  .hw = INTC_HW_DESC(intcs_vectors, intcs_groups, intcs_mask_registers,
391  intcs_prio_registers, NULL, NULL),
392 };
393 
394 static void intcs_demux(unsigned int irq, struct irq_desc *desc)
395 {
396  void __iomem *reg = (void *)irq_get_handler_data(irq);
397  unsigned int evtcodeas = ioread32(reg);
398 
399  generic_handle_irq(intcs_evt2irq(evtcodeas));
400 }
401 
403 {
404  void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE);
405 
406  register_intc_controller(&intca_desc);
407  register_intc_controller(&intca_irq_pins_desc);
408  register_intc_controller(&intcs_desc);
409 
410  /* demux using INTEVTSA */
411  irq_set_handler_data(evt2irq(0xf80), (void *)intevtsa);
412  irq_set_chained_handler(evt2irq(0xf80), intcs_demux);
413 }