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TOMOYO Linux Cross Reference
Linux/arch/sh/kernel/cpu/sh4a/setup-sh7786.c

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  1 // SPDX-License-Identifier: GPL-2.0
  2 /*
  3  * SH7786 Setup
  4  *
  5  * Copyright (C) 2009 - 2011  Renesas Solutions Corp.
  6  * Kuninori Morimoto <morimoto.kuninori@renesas.com>
  7  * Paul Mundt <paul.mundt@renesas.com>
  8  *
  9  * Based on SH7785 Setup
 10  *
 11  *  Copyright (C) 2007  Paul Mundt
 12  */
 13 #include <linux/platform_device.h>
 14 #include <linux/init.h>
 15 #include <linux/serial.h>
 16 #include <linux/serial_sci.h>
 17 #include <linux/io.h>
 18 #include <linux/mm.h>
 19 #include <linux/dma-mapping.h>
 20 #include <linux/sh_timer.h>
 21 #include <linux/sh_dma.h>
 22 #include <linux/sh_intc.h>
 23 #include <linux/usb/ohci_pdriver.h>
 24 #include <cpu/dma-register.h>
 25 #include <asm/mmzone.h>
 26 #include <asm/platform_early.h>
 27 
 28 static struct plat_sci_port scif0_platform_data = {
 29         .scscr          = SCSCR_REIE | SCSCR_CKE1,
 30         .type           = PORT_SCIF,
 31         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 32 };
 33 
 34 static struct resource scif0_resources[] = {
 35         DEFINE_RES_MEM(0xffea0000, 0x100),
 36         DEFINE_RES_IRQ(evt2irq(0x700)),
 37         DEFINE_RES_IRQ(evt2irq(0x720)),
 38         DEFINE_RES_IRQ(evt2irq(0x760)),
 39         DEFINE_RES_IRQ(evt2irq(0x740)),
 40 };
 41 
 42 static struct platform_device scif0_device = {
 43         .name           = "sh-sci",
 44         .id             = 0,
 45         .resource       = scif0_resources,
 46         .num_resources  = ARRAY_SIZE(scif0_resources),
 47         .dev            = {
 48                 .platform_data  = &scif0_platform_data,
 49         },
 50 };
 51 
 52 /*
 53  * The rest of these all have multiplexed IRQs
 54  */
 55 static struct plat_sci_port scif1_platform_data = {
 56         .scscr          = SCSCR_REIE | SCSCR_CKE1,
 57         .type           = PORT_SCIF,
 58         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 59 };
 60 
 61 static struct resource scif1_resources[] = {
 62         DEFINE_RES_MEM(0xffeb0000, 0x100),
 63         DEFINE_RES_IRQ(evt2irq(0x780)),
 64 };
 65 
 66 static struct resource scif1_demux_resources[] = {
 67         DEFINE_RES_MEM(0xffeb0000, 0x100),
 68         /* Placeholders, see sh7786_devices_setup() */
 69         DEFINE_RES_IRQ(0),
 70         DEFINE_RES_IRQ(0),
 71         DEFINE_RES_IRQ(0),
 72         DEFINE_RES_IRQ(0),
 73 };
 74 
 75 static struct platform_device scif1_device = {
 76         .name           = "sh-sci",
 77         .id             = 1,
 78         .resource       = scif1_resources,
 79         .num_resources  = ARRAY_SIZE(scif1_resources),
 80         .dev            = {
 81                 .platform_data  = &scif1_platform_data,
 82         },
 83 };
 84 
 85 static struct plat_sci_port scif2_platform_data = {
 86         .scscr          = SCSCR_REIE | SCSCR_CKE1,
 87         .type           = PORT_SCIF,
 88         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 89 };
 90 
 91 static struct resource scif2_resources[] = {
 92         DEFINE_RES_MEM(0xffec0000, 0x100),
 93         DEFINE_RES_IRQ(evt2irq(0x840)),
 94 };
 95 
 96 static struct platform_device scif2_device = {
 97         .name           = "sh-sci",
 98         .id             = 2,
 99         .resource       = scif2_resources,
100         .num_resources  = ARRAY_SIZE(scif2_resources),
101         .dev            = {
102                 .platform_data  = &scif2_platform_data,
103         },
104 };
105 
106 static struct plat_sci_port scif3_platform_data = {
107         .scscr          = SCSCR_REIE | SCSCR_CKE1,
108         .type           = PORT_SCIF,
109         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
110 };
111 
112 static struct resource scif3_resources[] = {
113         DEFINE_RES_MEM(0xffed0000, 0x100),
114         DEFINE_RES_IRQ(evt2irq(0x860)),
115 };
116 
117 static struct platform_device scif3_device = {
118         .name           = "sh-sci",
119         .id             = 3,
120         .resource       = scif3_resources,
121         .num_resources  = ARRAY_SIZE(scif3_resources),
122         .dev            = {
123                 .platform_data  = &scif3_platform_data,
124         },
125 };
126 
127 static struct plat_sci_port scif4_platform_data = {
128         .scscr          = SCSCR_REIE | SCSCR_CKE1,
129         .type           = PORT_SCIF,
130         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
131 };
132 
133 static struct resource scif4_resources[] = {
134         DEFINE_RES_MEM(0xffee0000, 0x100),
135         DEFINE_RES_IRQ(evt2irq(0x880)),
136 };
137 
138 static struct platform_device scif4_device = {
139         .name           = "sh-sci",
140         .id             = 4,
141         .resource       = scif4_resources,
142         .num_resources  = ARRAY_SIZE(scif4_resources),
143         .dev            = {
144                 .platform_data  = &scif4_platform_data,
145         },
146 };
147 
148 static struct plat_sci_port scif5_platform_data = {
149         .scscr          = SCSCR_REIE | SCSCR_CKE1,
150         .type           = PORT_SCIF,
151         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
152 };
153 
154 static struct resource scif5_resources[] = {
155         DEFINE_RES_MEM(0xffef0000, 0x100),
156         DEFINE_RES_IRQ(evt2irq(0x8a0)),
157 };
158 
159 static struct platform_device scif5_device = {
160         .name           = "sh-sci",
161         .id             = 5,
162         .resource       = scif5_resources,
163         .num_resources  = ARRAY_SIZE(scif5_resources),
164         .dev            = {
165                 .platform_data  = &scif5_platform_data,
166         },
167 };
168 
169 static struct sh_timer_config tmu0_platform_data = {
170         .channels_mask = 7,
171 };
172 
173 static struct resource tmu0_resources[] = {
174         DEFINE_RES_MEM(0xffd80000, 0x30),
175         DEFINE_RES_IRQ(evt2irq(0x400)),
176         DEFINE_RES_IRQ(evt2irq(0x420)),
177         DEFINE_RES_IRQ(evt2irq(0x440)),
178 };
179 
180 static struct platform_device tmu0_device = {
181         .name           = "sh-tmu",
182         .id             = 0,
183         .dev = {
184                 .platform_data  = &tmu0_platform_data,
185         },
186         .resource       = tmu0_resources,
187         .num_resources  = ARRAY_SIZE(tmu0_resources),
188 };
189 
190 static struct sh_timer_config tmu1_platform_data = {
191         .channels_mask = 7,
192 };
193 
194 static struct resource tmu1_resources[] = {
195         DEFINE_RES_MEM(0xffda0000, 0x2c),
196         DEFINE_RES_IRQ(evt2irq(0x480)),
197         DEFINE_RES_IRQ(evt2irq(0x4a0)),
198         DEFINE_RES_IRQ(evt2irq(0x4c0)),
199 };
200 
201 static struct platform_device tmu1_device = {
202         .name           = "sh-tmu",
203         .id             = 1,
204         .dev = {
205                 .platform_data  = &tmu1_platform_data,
206         },
207         .resource       = tmu1_resources,
208         .num_resources  = ARRAY_SIZE(tmu1_resources),
209 };
210 
211 static struct sh_timer_config tmu2_platform_data = {
212         .channels_mask = 7,
213 };
214 
215 static struct resource tmu2_resources[] = {
216         DEFINE_RES_MEM(0xffdc0000, 0x2c),
217         DEFINE_RES_IRQ(evt2irq(0x7a0)),
218         DEFINE_RES_IRQ(evt2irq(0x7a0)),
219         DEFINE_RES_IRQ(evt2irq(0x7a0)),
220 };
221 
222 static struct platform_device tmu2_device = {
223         .name           = "sh-tmu",
224         .id             = 2,
225         .dev = {
226                 .platform_data  = &tmu2_platform_data,
227         },
228         .resource       = tmu2_resources,
229         .num_resources  = ARRAY_SIZE(tmu2_resources),
230 };
231 
232 static struct sh_timer_config tmu3_platform_data = {
233         .channels_mask = 7,
234 };
235 
236 static struct resource tmu3_resources[] = {
237         DEFINE_RES_MEM(0xffde0000, 0x2c),
238         DEFINE_RES_IRQ(evt2irq(0x7c0)),
239         DEFINE_RES_IRQ(evt2irq(0x7c0)),
240         DEFINE_RES_IRQ(evt2irq(0x7c0)),
241 };
242 
243 static struct platform_device tmu3_device = {
244         .name           = "sh-tmu",
245         .id             = 3,
246         .dev = {
247                 .platform_data  = &tmu3_platform_data,
248         },
249         .resource       = tmu3_resources,
250         .num_resources  = ARRAY_SIZE(tmu3_resources),
251 };
252 
253 static const struct sh_dmae_channel dmac0_channels[] = {
254         {
255                 .offset = 0,
256                 .dmars = 0,
257                 .dmars_bit = 0,
258         }, {
259                 .offset = 0x10,
260                 .dmars = 0,
261                 .dmars_bit = 8,
262         }, {
263                 .offset = 0x20,
264                 .dmars = 4,
265                 .dmars_bit = 0,
266         }, {
267                 .offset = 0x30,
268                 .dmars = 4,
269                 .dmars_bit = 8,
270         }, {
271                 .offset = 0x50,
272                 .dmars = 8,
273                 .dmars_bit = 0,
274         }, {
275                 .offset = 0x60,
276                 .dmars = 8,
277                 .dmars_bit = 8,
278         }
279 };
280 
281 static const unsigned int ts_shift[] = TS_SHIFT;
282 
283 static struct sh_dmae_pdata dma0_platform_data = {
284         .channel        = dmac0_channels,
285         .channel_num    = ARRAY_SIZE(dmac0_channels),
286         .ts_low_shift   = CHCR_TS_LOW_SHIFT,
287         .ts_low_mask    = CHCR_TS_LOW_MASK,
288         .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
289         .ts_high_mask   = CHCR_TS_HIGH_MASK,
290         .ts_shift       = ts_shift,
291         .ts_shift_num   = ARRAY_SIZE(ts_shift),
292         .dmaor_init     = DMAOR_INIT,
293 };
294 
295 /* Resource order important! */
296 static struct resource dmac0_resources[] = {
297         {
298                 /* Channel registers and DMAOR */
299                 .start  = 0xfe008020,
300                 .end    = 0xfe00808f,
301                 .flags  = IORESOURCE_MEM,
302         }, {
303                 /* DMARSx */
304                 .start  = 0xfe009000,
305                 .end    = 0xfe00900b,
306                 .flags  = IORESOURCE_MEM,
307         }, {
308                 .name   = "error_irq",
309                 .start  = evt2irq(0x5c0),
310                 .end    = evt2irq(0x5c0),
311                 .flags  = IORESOURCE_IRQ,
312         }, {
313                 /* IRQ for channels 0-5 */
314                 .start  = evt2irq(0x500),
315                 .end    = evt2irq(0x5a0),
316                 .flags  = IORESOURCE_IRQ,
317         },
318 };
319 
320 static struct platform_device dma0_device = {
321         .name           = "sh-dma-engine",
322         .id             = 0,
323         .resource       = dmac0_resources,
324         .num_resources  = ARRAY_SIZE(dmac0_resources),
325         .dev            = {
326                 .platform_data  = &dma0_platform_data,
327         },
328 };
329 
330 #define USB_EHCI_START 0xffe70000
331 #define USB_OHCI_START 0xffe70400
332 
333 static struct resource usb_ehci_resources[] = {
334         [0] = {
335                 .start  = USB_EHCI_START,
336                 .end    = USB_EHCI_START + 0x3ff,
337                 .flags  = IORESOURCE_MEM,
338         },
339         [1] = {
340                 .start  = evt2irq(0xba0),
341                 .end    = evt2irq(0xba0),
342                 .flags  = IORESOURCE_IRQ,
343         },
344 };
345 
346 static struct platform_device usb_ehci_device = {
347         .name           = "sh_ehci",
348         .id             = -1,
349         .dev = {
350                 .dma_mask               = &usb_ehci_device.dev.coherent_dma_mask,
351                 .coherent_dma_mask      = DMA_BIT_MASK(32),
352         },
353         .num_resources  = ARRAY_SIZE(usb_ehci_resources),
354         .resource       = usb_ehci_resources,
355 };
356 
357 static struct resource usb_ohci_resources[] = {
358         [0] = {
359                 .start  = USB_OHCI_START,
360                 .end    = USB_OHCI_START + 0x3ff,
361                 .flags  = IORESOURCE_MEM,
362         },
363         [1] = {
364                 .start  = evt2irq(0xba0),
365                 .end    = evt2irq(0xba0),
366                 .flags  = IORESOURCE_IRQ,
367         },
368 };
369 
370 static struct usb_ohci_pdata usb_ohci_pdata;
371 
372 static struct platform_device usb_ohci_device = {
373         .name           = "ohci-platform",
374         .id             = -1,
375         .dev = {
376                 .dma_mask               = &usb_ohci_device.dev.coherent_dma_mask,
377                 .coherent_dma_mask      = DMA_BIT_MASK(32),
378                 .platform_data          = &usb_ohci_pdata,
379         },
380         .num_resources  = ARRAY_SIZE(usb_ohci_resources),
381         .resource       = usb_ohci_resources,
382 };
383 
384 static struct platform_device *sh7786_early_devices[] __initdata = {
385         &scif0_device,
386         &scif1_device,
387         &scif2_device,
388         &scif3_device,
389         &scif4_device,
390         &scif5_device,
391         &tmu0_device,
392         &tmu1_device,
393         &tmu2_device,
394         &tmu3_device,
395 };
396 
397 static struct platform_device *sh7786_devices[] __initdata = {
398         &dma0_device,
399         &usb_ehci_device,
400         &usb_ohci_device,
401 };
402 
403 #define USBINITREG1     0xffe70094
404 #define USBINITREG2     0xffe7009c
405 #define USBINITVAL1     0x00ff0040
406 #define USBINITVAL2     0x00000001
407 
408 #define USBPCTL1        0xffe70804
409 #define USBST           0xffe70808
410 #define PHY_ENB         0x00000001
411 #define PLL_ENB         0x00000002
412 #define PHY_RST         0x00000004
413 #define ACT_PLL_STATUS  0xc0000000
414 
415 static void __init sh7786_usb_setup(void)
416 {
417         int i = 1000000;
418 
419         /*
420          * USB initial settings
421          *
422          * The following settings are necessary
423          * for using the USB modules.
424          *
425          * see "USB Initial Settings" for detail
426          */
427         __raw_writel(USBINITVAL1, USBINITREG1);
428         __raw_writel(USBINITVAL2, USBINITREG2);
429 
430         /*
431          * Set the PHY and PLL enable bit
432          */
433         __raw_writel(PHY_ENB | PLL_ENB, USBPCTL1);
434         while (i--) {
435                 if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) {
436                         /* Set the PHY RST bit */
437                         __raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
438                         printk(KERN_INFO "sh7786 usb setup done\n");
439                         break;
440                 }
441                 cpu_relax();
442         }
443 }
444 
445 enum {
446         UNUSED = 0,
447 
448         /* interrupt sources */
449         IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
450         IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
451         IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
452         IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
453 
454         IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
455         IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
456         IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
457         IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
458 
459         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
460         WDT,
461         TMU0_0, TMU0_1, TMU0_2, TMU0_3,
462         TMU1_0, TMU1_1, TMU1_2,
463         DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
464         HUDI1, HUDI0,
465         DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
466         HPB_0, HPB_1, HPB_2,
467         SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
468         SCIF1,
469         TMU2, TMU3,
470         SCIF2, SCIF3, SCIF4, SCIF5,
471         Eth_0, Eth_1,
472         PCIeC0_0, PCIeC0_1, PCIeC0_2,
473         PCIeC1_0, PCIeC1_1, PCIeC1_2,
474         USB,
475         I2C0, I2C1,
476         DU,
477         SSI0, SSI1, SSI2, SSI3,
478         PCIeC2_0, PCIeC2_1, PCIeC2_2,
479         HAC0, HAC1,
480         FLCTL,
481         HSPI,
482         GPIO0, GPIO1,
483         Thermal,
484         INTICI0, INTICI1, INTICI2, INTICI3,
485         INTICI4, INTICI5, INTICI6, INTICI7,
486 
487         /* Muxed sub-events */
488         TXI1, BRI1, RXI1, ERI1,
489 };
490 
491 static struct intc_vect sh7786_vectors[] __initdata = {
492         INTC_VECT(WDT, 0x3e0),
493         INTC_VECT(TMU0_0, 0x400), INTC_VECT(TMU0_1, 0x420),
494         INTC_VECT(TMU0_2, 0x440), INTC_VECT(TMU0_3, 0x460),
495         INTC_VECT(TMU1_0, 0x480), INTC_VECT(TMU1_1, 0x4a0),
496         INTC_VECT(TMU1_2, 0x4c0),
497         INTC_VECT(DMAC0_0, 0x500), INTC_VECT(DMAC0_1, 0x520),
498         INTC_VECT(DMAC0_2, 0x540), INTC_VECT(DMAC0_3, 0x560),
499         INTC_VECT(DMAC0_4, 0x580), INTC_VECT(DMAC0_5, 0x5a0),
500         INTC_VECT(DMAC0_6, 0x5c0),
501         INTC_VECT(HUDI1, 0x5e0), INTC_VECT(HUDI0, 0x600),
502         INTC_VECT(DMAC1_0, 0x620), INTC_VECT(DMAC1_1, 0x640),
503         INTC_VECT(DMAC1_2, 0x660), INTC_VECT(DMAC1_3, 0x680),
504         INTC_VECT(HPB_0, 0x6a0), INTC_VECT(HPB_1, 0x6c0),
505         INTC_VECT(HPB_2, 0x6e0),
506         INTC_VECT(SCIF0_0, 0x700), INTC_VECT(SCIF0_1, 0x720),
507         INTC_VECT(SCIF0_2, 0x740), INTC_VECT(SCIF0_3, 0x760),
508         INTC_VECT(SCIF1, 0x780),
509         INTC_VECT(TMU2, 0x7a0), INTC_VECT(TMU3, 0x7c0),
510         INTC_VECT(SCIF2, 0x840), INTC_VECT(SCIF3, 0x860),
511         INTC_VECT(SCIF4, 0x880), INTC_VECT(SCIF5, 0x8a0),
512         INTC_VECT(Eth_0, 0x8c0), INTC_VECT(Eth_1, 0x8e0),
513         INTC_VECT(PCIeC0_0, 0xae0), INTC_VECT(PCIeC0_1, 0xb00),
514         INTC_VECT(PCIeC0_2, 0xb20),
515         INTC_VECT(PCIeC1_0, 0xb40), INTC_VECT(PCIeC1_1, 0xb60),
516         INTC_VECT(PCIeC1_2, 0xb80),
517         INTC_VECT(USB, 0xba0),
518         INTC_VECT(I2C0, 0xcc0), INTC_VECT(I2C1, 0xce0),
519         INTC_VECT(DU, 0xd00),
520         INTC_VECT(SSI0, 0xd20), INTC_VECT(SSI1, 0xd40),
521         INTC_VECT(SSI2, 0xd60), INTC_VECT(SSI3, 0xd80),
522         INTC_VECT(PCIeC2_0, 0xda0), INTC_VECT(PCIeC2_1, 0xdc0),
523         INTC_VECT(PCIeC2_2, 0xde0),
524         INTC_VECT(HAC0, 0xe00), INTC_VECT(HAC1, 0xe20),
525         INTC_VECT(FLCTL, 0xe40),
526         INTC_VECT(HSPI, 0xe80),
527         INTC_VECT(GPIO0, 0xea0), INTC_VECT(GPIO1, 0xec0),
528         INTC_VECT(Thermal, 0xee0),
529         INTC_VECT(INTICI0, 0xf00), INTC_VECT(INTICI1, 0xf20),
530         INTC_VECT(INTICI2, 0xf40), INTC_VECT(INTICI3, 0xf60),
531         INTC_VECT(INTICI4, 0xf80), INTC_VECT(INTICI5, 0xfa0),
532         INTC_VECT(INTICI6, 0xfc0), INTC_VECT(INTICI7, 0xfe0),
533 };
534 
535 #define CnINTMSK0       0xfe410030
536 #define CnINTMSK1       0xfe410040
537 #define CnINTMSKCLR0    0xfe410050
538 #define CnINTMSKCLR1    0xfe410060
539 #define CnINT2MSKR0     0xfe410a20
540 #define CnINT2MSKR1     0xfe410a24
541 #define CnINT2MSKR2     0xfe410a28
542 #define CnINT2MSKR3     0xfe410a2c
543 #define CnINT2MSKCR0    0xfe410a30
544 #define CnINT2MSKCR1    0xfe410a34
545 #define CnINT2MSKCR2    0xfe410a38
546 #define CnINT2MSKCR3    0xfe410a3c
547 #define INTMSK2         0xfe410068
548 #define INTMSKCLR2      0xfe41006c
549 
550 #define INTDISTCR0      0xfe4100b0
551 #define INTDISTCR1      0xfe4100b4
552 #define INT2DISTCR0     0xfe410900
553 #define INT2DISTCR1     0xfe410904
554 #define INT2DISTCR2     0xfe410908
555 #define INT2DISTCR3     0xfe41090c
556 
557 static struct intc_mask_reg sh7786_mask_registers[] __initdata = {
558         { CnINTMSK0, CnINTMSKCLR0, 32,
559           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 },
560             INTC_SMP_BALANCING(INTDISTCR0) },
561         { INTMSK2, INTMSKCLR2, 32,
562           { IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
563             IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
564             IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
565             IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
566             IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
567             IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
568             IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
569             IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
570         { CnINT2MSKR0, CnINT2MSKCR0 , 32,
571           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
572             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, WDT },
573             INTC_SMP_BALANCING(INT2DISTCR0) },
574         { CnINT2MSKR1, CnINT2MSKCR1, 32,
575           { TMU0_0, TMU0_1, TMU0_2, TMU0_3, TMU1_0, TMU1_1, TMU1_2, 0,
576             DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
577             HUDI1, HUDI0,
578             DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
579             HPB_0, HPB_1, HPB_2,
580             SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
581             SCIF1,
582             TMU2, TMU3, 0, }, INTC_SMP_BALANCING(INT2DISTCR1) },
583         { CnINT2MSKR2, CnINT2MSKCR2, 32,
584           { 0, 0, SCIF2, SCIF3, SCIF4, SCIF5,
585             Eth_0, Eth_1,
586             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
587             PCIeC0_0, PCIeC0_1, PCIeC0_2,
588             PCIeC1_0, PCIeC1_1, PCIeC1_2,
589             USB, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR2) },
590         { CnINT2MSKR3, CnINT2MSKCR3, 32,
591           { 0, 0, 0, 0, 0, 0,
592             I2C0, I2C1,
593             DU, SSI0, SSI1, SSI2, SSI3,
594             PCIeC2_0, PCIeC2_1, PCIeC2_2,
595             HAC0, HAC1,
596             FLCTL, 0,
597             HSPI, GPIO0, GPIO1, Thermal,
598             0, 0, 0, 0, 0, 0, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR3) },
599 };
600 
601 static struct intc_prio_reg sh7786_prio_registers[] __initdata = {
602         { 0xfe410010, 0, 32, 4, /* INTPRI */   { IRQ0, IRQ1, IRQ2, IRQ3,
603                                                  IRQ4, IRQ5, IRQ6, IRQ7 } },
604         { 0xfe410800, 0, 32, 8, /* INT2PRI0 */ { 0, 0, 0, WDT } },
605         { 0xfe410804, 0, 32, 8, /* INT2PRI1 */ { TMU0_0, TMU0_1,
606                                                  TMU0_2, TMU0_3 } },
607         { 0xfe410808, 0, 32, 8, /* INT2PRI2 */ { TMU1_0, TMU1_1,
608                                                  TMU1_2, 0 } },
609         { 0xfe41080c, 0, 32, 8, /* INT2PRI3 */ { DMAC0_0, DMAC0_1,
610                                                  DMAC0_2, DMAC0_3 } },
611         { 0xfe410810, 0, 32, 8, /* INT2PRI4 */ { DMAC0_4, DMAC0_5,
612                                                  DMAC0_6, HUDI1 } },
613         { 0xfe410814, 0, 32, 8, /* INT2PRI5 */ { HUDI0, DMAC1_0,
614                                                  DMAC1_1, DMAC1_2 } },
615         { 0xfe410818, 0, 32, 8, /* INT2PRI6 */ { DMAC1_3, HPB_0,
616                                                  HPB_1, HPB_2 } },
617         { 0xfe41081c, 0, 32, 8, /* INT2PRI7 */ { SCIF0_0, SCIF0_1,
618                                                  SCIF0_2, SCIF0_3 } },
619         { 0xfe410820, 0, 32, 8, /* INT2PRI8 */ { SCIF1, TMU2, TMU3, 0 } },
620         { 0xfe410824, 0, 32, 8, /* INT2PRI9 */ { 0, 0, SCIF2, SCIF3 } },
621         { 0xfe410828, 0, 32, 8, /* INT2PRI10 */ { SCIF4, SCIF5,
622                                                   Eth_0, Eth_1 } },
623         { 0xfe41082c, 0, 32, 8, /* INT2PRI11 */ { 0, 0, 0, 0 } },
624         { 0xfe410830, 0, 32, 8, /* INT2PRI12 */ { 0, 0, 0, 0 } },
625         { 0xfe410834, 0, 32, 8, /* INT2PRI13 */ { 0, 0, 0, 0 } },
626         { 0xfe410838, 0, 32, 8, /* INT2PRI14 */ { 0, 0, 0, PCIeC0_0 } },
627         { 0xfe41083c, 0, 32, 8, /* INT2PRI15 */ { PCIeC0_1, PCIeC0_2,
628                                                   PCIeC1_0, PCIeC1_1 } },
629         { 0xfe410840, 0, 32, 8, /* INT2PRI16 */ { PCIeC1_2, USB, 0, 0 } },
630         { 0xfe410844, 0, 32, 8, /* INT2PRI17 */ { 0, 0, 0, 0 } },
631         { 0xfe410848, 0, 32, 8, /* INT2PRI18 */ { 0, 0, I2C0, I2C1 } },
632         { 0xfe41084c, 0, 32, 8, /* INT2PRI19 */ { DU, SSI0, SSI1, SSI2 } },
633         { 0xfe410850, 0, 32, 8, /* INT2PRI20 */ { SSI3, PCIeC2_0,
634                                                   PCIeC2_1, PCIeC2_2 } },
635         { 0xfe410854, 0, 32, 8, /* INT2PRI21 */ { HAC0, HAC1, FLCTL, 0 } },
636         { 0xfe410858, 0, 32, 8, /* INT2PRI22 */ { HSPI, GPIO0,
637                                                   GPIO1, Thermal } },
638         { 0xfe41085c, 0, 32, 8, /* INT2PRI23 */ { 0, 0, 0, 0 } },
639         { 0xfe410860, 0, 32, 8, /* INT2PRI24 */ { 0, 0, 0, 0 } },
640         { 0xfe410090, 0xfe4100a0, 32, 4, /* CnICIPRI / CnICIPRICLR */
641           { INTICI7, INTICI6, INTICI5, INTICI4,
642             INTICI3, INTICI2, INTICI1, INTICI0 }, INTC_SMP(4, 2) },
643 };
644 
645 static struct intc_subgroup sh7786_subgroups[] __initdata = {
646         { 0xfe410c20, 32, SCIF1,
647           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
648             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, TXI1, BRI1, RXI1, ERI1 } },
649 };
650 
651 static struct intc_desc sh7786_intc_desc __initdata = {
652         .name           = "sh7786",
653         .hw             = {
654                 .vectors        = sh7786_vectors,
655                 .nr_vectors     = ARRAY_SIZE(sh7786_vectors),
656                 .mask_regs      = sh7786_mask_registers,
657                 .nr_mask_regs   = ARRAY_SIZE(sh7786_mask_registers),
658                 .subgroups      = sh7786_subgroups,
659                 .nr_subgroups   = ARRAY_SIZE(sh7786_subgroups),
660                 .prio_regs      = sh7786_prio_registers,
661                 .nr_prio_regs   = ARRAY_SIZE(sh7786_prio_registers),
662         },
663 };
664 
665 /* Support for external interrupt pins in IRQ mode */
666 static struct intc_vect vectors_irq0123[] __initdata = {
667         INTC_VECT(IRQ0, 0x200), INTC_VECT(IRQ1, 0x240),
668         INTC_VECT(IRQ2, 0x280), INTC_VECT(IRQ3, 0x2c0),
669 };
670 
671 static struct intc_vect vectors_irq4567[] __initdata = {
672         INTC_VECT(IRQ4, 0x300), INTC_VECT(IRQ5, 0x340),
673         INTC_VECT(IRQ6, 0x380), INTC_VECT(IRQ7, 0x3c0),
674 };
675 
676 static struct intc_sense_reg sh7786_sense_registers[] __initdata = {
677         { 0xfe41001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
678                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
679 };
680 
681 static struct intc_mask_reg sh7786_ack_registers[] __initdata = {
682         { 0xfe410024, 0, 32, /* INTREQ */
683           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
684 };
685 
686 static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7786-irq0123",
687                              vectors_irq0123, NULL, sh7786_mask_registers,
688                              sh7786_prio_registers, sh7786_sense_registers,
689                              sh7786_ack_registers);
690 
691 static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7786-irq4567",
692                              vectors_irq4567, NULL, sh7786_mask_registers,
693                              sh7786_prio_registers, sh7786_sense_registers,
694                              sh7786_ack_registers);
695 
696 /* External interrupt pins in IRL mode */
697 
698 static struct intc_vect vectors_irl0123[] __initdata = {
699         INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
700         INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
701         INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
702         INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
703         INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
704         INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
705         INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
706         INTC_VECT(IRL0_HHHL, 0x3c0),
707 };
708 
709 static struct intc_vect vectors_irl4567[] __initdata = {
710         INTC_VECT(IRL4_LLLL, 0x900), INTC_VECT(IRL4_LLLH, 0x920),
711         INTC_VECT(IRL4_LLHL, 0x940), INTC_VECT(IRL4_LLHH, 0x960),
712         INTC_VECT(IRL4_LHLL, 0x980), INTC_VECT(IRL4_LHLH, 0x9a0),
713         INTC_VECT(IRL4_LHHL, 0x9c0), INTC_VECT(IRL4_LHHH, 0x9e0),
714         INTC_VECT(IRL4_HLLL, 0xa00), INTC_VECT(IRL4_HLLH, 0xa20),
715         INTC_VECT(IRL4_HLHL, 0xa40), INTC_VECT(IRL4_HLHH, 0xa60),
716         INTC_VECT(IRL4_HHLL, 0xa80), INTC_VECT(IRL4_HHLH, 0xaa0),
717         INTC_VECT(IRL4_HHHL, 0xac0),
718 };
719 
720 static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7786-irl0123", vectors_irl0123,
721                          NULL, sh7786_mask_registers, NULL, NULL);
722 
723 static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7786-irl4567", vectors_irl4567,
724                          NULL, sh7786_mask_registers, NULL, NULL);
725 
726 #define INTC_ICR0       0xfe410000
727 #define INTC_INTMSK0    CnINTMSK0
728 #define INTC_INTMSK1    CnINTMSK1
729 #define INTC_INTMSK2    INTMSK2
730 #define INTC_INTMSKCLR1 CnINTMSKCLR1
731 #define INTC_INTMSKCLR2 INTMSKCLR2
732 
733 void __init plat_irq_setup(void)
734 {
735         /* disable IRQ3-0 + IRQ7-4 */
736         __raw_writel(0xff000000, INTC_INTMSK0);
737 
738         /* disable IRL3-0 + IRL7-4 */
739         __raw_writel(0xc0000000, INTC_INTMSK1);
740         __raw_writel(0xfffefffe, INTC_INTMSK2);
741 
742         /* select IRL mode for IRL3-0 + IRL7-4 */
743         __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
744 
745         register_intc_controller(&sh7786_intc_desc);
746 }
747 
748 void __init plat_irq_setup_pins(int mode)
749 {
750         switch (mode) {
751         case IRQ_MODE_IRQ7654:
752                 /* select IRQ mode for IRL7-4 */
753                 __raw_writel(__raw_readl(INTC_ICR0) | 0x00400000, INTC_ICR0);
754                 register_intc_controller(&intc_desc_irq4567);
755                 break;
756         case IRQ_MODE_IRQ3210:
757                 /* select IRQ mode for IRL3-0 */
758                 __raw_writel(__raw_readl(INTC_ICR0) | 0x00800000, INTC_ICR0);
759                 register_intc_controller(&intc_desc_irq0123);
760                 break;
761         case IRQ_MODE_IRL7654:
762                 /* enable IRL7-4 but don't provide any masking */
763                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
764                 __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
765                 break;
766         case IRQ_MODE_IRL3210:
767                 /* enable IRL0-3 but don't provide any masking */
768                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
769                 __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
770                 break;
771         case IRQ_MODE_IRL7654_MASK:
772                 /* enable IRL7-4 and mask using cpu intc controller */
773                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
774                 register_intc_controller(&intc_desc_irl4567);
775                 break;
776         case IRQ_MODE_IRL3210_MASK:
777                 /* enable IRL0-3 and mask using cpu intc controller */
778                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
779                 register_intc_controller(&intc_desc_irl0123);
780                 break;
781         default:
782                 BUG();
783         }
784 }
785 
786 void __init plat_mem_setup(void)
787 {
788 }
789 
790 static int __init sh7786_devices_setup(void)
791 {
792         int ret, irq;
793 
794         sh7786_usb_setup();
795 
796         /*
797          * De-mux SCIF1 IRQs if possible
798          */
799         irq = intc_irq_lookup(sh7786_intc_desc.name, TXI1);
800         if (irq > 0) {
801                 scif1_demux_resources[1].start =
802                         intc_irq_lookup(sh7786_intc_desc.name, ERI1);
803                 scif1_demux_resources[2].start =
804                         intc_irq_lookup(sh7786_intc_desc.name, RXI1);
805                 scif1_demux_resources[3].start = irq;
806                 scif1_demux_resources[4].start =
807                         intc_irq_lookup(sh7786_intc_desc.name, BRI1);
808 
809                 scif1_device.resource = scif1_demux_resources;
810                 scif1_device.num_resources = ARRAY_SIZE(scif1_demux_resources);
811         }
812 
813         ret = platform_add_devices(sh7786_early_devices,
814                                    ARRAY_SIZE(sh7786_early_devices));
815         if (unlikely(ret != 0))
816                 return ret;
817 
818         return platform_add_devices(sh7786_devices,
819                                     ARRAY_SIZE(sh7786_devices));
820 }
821 arch_initcall(sh7786_devices_setup);
822 
823 void __init plat_early_device_setup(void)
824 {
825         sh_early_platform_add_devices(sh7786_early_devices,
826                                    ARRAY_SIZE(sh7786_early_devices));
827 }
828 

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