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dma-mapping: implement dma_map_single_attrs using dma_map_page_attrs
[linux.git] / arch / sh / kernel / cpu / sh4 / setup-sh7760.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * SH7760 Setup
4  *
5  *  Copyright (C) 2006  Paul Mundt
6  */
7 #include <linux/platform_device.h>
8 #include <linux/init.h>
9 #include <linux/serial.h>
10 #include <linux/sh_timer.h>
11 #include <linux/sh_intc.h>
12 #include <linux/serial_sci.h>
13 #include <linux/io.h>
14
15 enum {
16         UNUSED = 0,
17
18         /* interrupt sources */
19         IRL0, IRL1, IRL2, IRL3,
20         HUDI, GPIOI, DMAC,
21         IRQ4, IRQ5, IRQ6, IRQ7,
22         HCAN20, HCAN21,
23         SSI0, SSI1,
24         HAC0, HAC1,
25         I2C0, I2C1,
26         USB, LCDC,
27         DMABRG0, DMABRG1, DMABRG2,
28         SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
29         SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
30         SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI,
31         SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
32         HSPI,
33         MMCIF0, MMCIF1, MMCIF2, MMCIF3,
34         MFI, ADC, CMT,
35         TMU0, TMU1, TMU2,
36         WDT, REF,
37
38         /* interrupt groups */
39         DMABRG, SCIF0, SCIF1, SCIF2, SIM, MMCIF,
40 };
41
42 static struct intc_vect vectors[] __initdata = {
43         INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
44         INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
45         INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
46         INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
47         INTC_VECT(DMAC, 0x7c0), INTC_VECT(DMAC, 0x7e0),
48         INTC_VECT(DMAC, 0x6c0),
49         INTC_VECT(IRQ4, 0x800), INTC_VECT(IRQ5, 0x820),
50         INTC_VECT(IRQ6, 0x840), INTC_VECT(IRQ6, 0x860),
51         INTC_VECT(HCAN20, 0x900), INTC_VECT(HCAN21, 0x920),
52         INTC_VECT(SSI0, 0x940), INTC_VECT(SSI1, 0x960),
53         INTC_VECT(HAC0, 0x980), INTC_VECT(HAC1, 0x9a0),
54         INTC_VECT(I2C0, 0x9c0), INTC_VECT(I2C1, 0x9e0),
55         INTC_VECT(USB, 0xa00), INTC_VECT(LCDC, 0xa20),
56         INTC_VECT(DMABRG0, 0xa80), INTC_VECT(DMABRG1, 0xaa0),
57         INTC_VECT(DMABRG2, 0xac0),
58         INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
59         INTC_VECT(SCIF0_BRI, 0x8c0), INTC_VECT(SCIF0_TXI, 0x8e0),
60         INTC_VECT(SCIF1_ERI, 0xb00), INTC_VECT(SCIF1_RXI, 0xb20),
61         INTC_VECT(SCIF1_BRI, 0xb40), INTC_VECT(SCIF1_TXI, 0xb60),
62         INTC_VECT(SCIF2_ERI, 0xb80), INTC_VECT(SCIF2_RXI, 0xba0),
63         INTC_VECT(SCIF2_BRI, 0xbc0), INTC_VECT(SCIF2_TXI, 0xbe0),
64         INTC_VECT(SIM_ERI, 0xc00), INTC_VECT(SIM_RXI, 0xc20),
65         INTC_VECT(SIM_TXI, 0xc40), INTC_VECT(SIM_TEI, 0xc60),
66         INTC_VECT(HSPI, 0xc80),
67         INTC_VECT(MMCIF0, 0xd00), INTC_VECT(MMCIF1, 0xd20),
68         INTC_VECT(MMCIF2, 0xd40), INTC_VECT(MMCIF3, 0xd60),
69         INTC_VECT(MFI, 0xe80), /* 0xf80 according to data sheet */
70         INTC_VECT(ADC, 0xf80), INTC_VECT(CMT, 0xfa0),
71         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
72         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
73         INTC_VECT(WDT, 0x560),
74         INTC_VECT(REF, 0x580), INTC_VECT(REF, 0x5a0),
75 };
76
77 static struct intc_group groups[] __initdata = {
78         INTC_GROUP(DMABRG, DMABRG0, DMABRG1, DMABRG2),
79         INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
80         INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
81         INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
82         INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
83         INTC_GROUP(MMCIF, MMCIF0, MMCIF1, MMCIF2, MMCIF3),
84 };
85
86 static struct intc_mask_reg mask_registers[] __initdata = {
87         { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
88           { IRQ4, IRQ5, IRQ6, IRQ7, 0, 0, HCAN20, HCAN21,
89             SSI0, SSI1, HAC0, HAC1, I2C0, I2C1, USB, LCDC,
90             0, DMABRG0, DMABRG1, DMABRG2,
91             SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
92             SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
93             SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, } },
94         { 0xfe080044, 0xfe080064, 32, /* INTMSK04 / INTMSKCLR04 */
95           { 0, 0, 0, 0, 0, 0, 0, 0,
96             SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
97             HSPI, MMCIF0, MMCIF1, MMCIF2,
98             MMCIF3, 0, 0, 0, 0, 0, 0, 0,
99             0, MFI, 0, 0, 0, 0, ADC, CMT, } },
100 };
101
102 static struct intc_prio_reg prio_registers[] __initdata = {
103         { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } },
104         { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
105         { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, 0, HUDI } },
106         { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
107         { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
108         { 0xfe080004, 0, 32, 4, /* INTPRI04 */ { HCAN20, HCAN21, SSI0, SSI1,
109                                                  HAC0, HAC1, I2C0, I2C1 } },
110         { 0xfe080008, 0, 32, 4, /* INTPRI08 */ { USB, LCDC, DMABRG, SCIF0,
111                                                  SCIF1, SCIF2, SIM, HSPI } },
112         { 0xfe08000c, 0, 32, 4, /* INTPRI0C */ { 0, 0, MMCIF, 0,
113                                                  MFI, 0, ADC, CMT } },
114 };
115
116 static DECLARE_INTC_DESC(intc_desc, "sh7760", vectors, groups,
117                          mask_registers, prio_registers, NULL);
118
119 static struct intc_vect vectors_irq[] __initdata = {
120         INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
121         INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
122 };
123
124 static DECLARE_INTC_DESC(intc_desc_irq, "sh7760-irq", vectors_irq, groups,
125                          mask_registers, prio_registers, NULL);
126
127 static struct plat_sci_port scif0_platform_data = {
128         .scscr          = SCSCR_REIE,
129         .type           = PORT_SCIF,
130         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
131 };
132
133 static struct resource scif0_resources[] = {
134         DEFINE_RES_MEM(0xfe600000, 0x100),
135         DEFINE_RES_IRQ(evt2irq(0x880)),
136         DEFINE_RES_IRQ(evt2irq(0x8a0)),
137         DEFINE_RES_IRQ(evt2irq(0x8e0)),
138         DEFINE_RES_IRQ(evt2irq(0x8c0)),
139 };
140
141 static struct platform_device scif0_device = {
142         .name           = "sh-sci",
143         .id             = 0,
144         .resource       = scif0_resources,
145         .num_resources  = ARRAY_SIZE(scif0_resources),
146         .dev            = {
147                 .platform_data  = &scif0_platform_data,
148         },
149 };
150
151 static struct plat_sci_port scif1_platform_data = {
152         .type           = PORT_SCIF,
153         .scscr          = SCSCR_REIE,
154         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
155 };
156
157 static struct resource scif1_resources[] = {
158         DEFINE_RES_MEM(0xfe610000, 0x100),
159         DEFINE_RES_IRQ(evt2irq(0xb00)),
160         DEFINE_RES_IRQ(evt2irq(0xb20)),
161         DEFINE_RES_IRQ(evt2irq(0xb60)),
162         DEFINE_RES_IRQ(evt2irq(0xb40)),
163 };
164
165 static struct platform_device scif1_device = {
166         .name           = "sh-sci",
167         .id             = 1,
168         .resource       = scif1_resources,
169         .num_resources  = ARRAY_SIZE(scif1_resources),
170         .dev            = {
171                 .platform_data  = &scif1_platform_data,
172         },
173 };
174
175 static struct plat_sci_port scif2_platform_data = {
176         .scscr          = SCSCR_REIE,
177         .type           = PORT_SCIF,
178         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
179 };
180
181 static struct resource scif2_resources[] = {
182         DEFINE_RES_MEM(0xfe620000, 0x100),
183         DEFINE_RES_IRQ(evt2irq(0xb80)),
184         DEFINE_RES_IRQ(evt2irq(0xba0)),
185         DEFINE_RES_IRQ(evt2irq(0xbe0)),
186         DEFINE_RES_IRQ(evt2irq(0xbc0)),
187 };
188
189 static struct platform_device scif2_device = {
190         .name           = "sh-sci",
191         .id             = 2,
192         .resource       = scif2_resources,
193         .num_resources  = ARRAY_SIZE(scif2_resources),
194         .dev            = {
195                 .platform_data  = &scif2_platform_data,
196         },
197 };
198
199 static struct plat_sci_port scif3_platform_data = {
200         /*
201          * This is actually a SIM card module serial port, based on an SCI with
202          * additional registers. The sh-sci driver doesn't support the SIM port
203          * type, declare it as a SCI. Don't declare the additional registers in
204          * the memory resource or the driver will compute an incorrect regshift
205          * value.
206          */
207         .type           = PORT_SCI,
208 };
209
210 static struct resource scif3_resources[] = {
211         DEFINE_RES_MEM(0xfe480000, 0x10),
212         DEFINE_RES_IRQ(evt2irq(0xc00)),
213         DEFINE_RES_IRQ(evt2irq(0xc20)),
214         DEFINE_RES_IRQ(evt2irq(0xc40)),
215 };
216
217 static struct platform_device scif3_device = {
218         .name           = "sh-sci",
219         .id             = 3,
220         .resource       = scif3_resources,
221         .num_resources  = ARRAY_SIZE(scif3_resources),
222         .dev            = {
223                 .platform_data  = &scif3_platform_data,
224         },
225 };
226
227 static struct sh_timer_config tmu0_platform_data = {
228         .channels_mask = 7,
229 };
230
231 static struct resource tmu0_resources[] = {
232         DEFINE_RES_MEM(0xffd80000, 0x30),
233         DEFINE_RES_IRQ(evt2irq(0x400)),
234         DEFINE_RES_IRQ(evt2irq(0x420)),
235         DEFINE_RES_IRQ(evt2irq(0x440)),
236 };
237
238 static struct platform_device tmu0_device = {
239         .name           = "sh-tmu",
240         .id             = 0,
241         .dev = {
242                 .platform_data  = &tmu0_platform_data,
243         },
244         .resource       = tmu0_resources,
245         .num_resources  = ARRAY_SIZE(tmu0_resources),
246 };
247
248
249 static struct platform_device *sh7760_devices[] __initdata = {
250         &scif0_device,
251         &scif1_device,
252         &scif2_device,
253         &scif3_device,
254         &tmu0_device,
255 };
256
257 static int __init sh7760_devices_setup(void)
258 {
259         return platform_add_devices(sh7760_devices,
260                                     ARRAY_SIZE(sh7760_devices));
261 }
262 arch_initcall(sh7760_devices_setup);
263
264 static struct platform_device *sh7760_early_devices[] __initdata = {
265         &scif0_device,
266         &scif1_device,
267         &scif2_device,
268         &scif3_device,
269         &tmu0_device,
270 };
271
272 void __init plat_early_device_setup(void)
273 {
274         early_platform_add_devices(sh7760_early_devices,
275                                    ARRAY_SIZE(sh7760_early_devices));
276 }
277
278 #define INTC_ICR        0xffd00000UL
279 #define INTC_ICR_IRLM   (1 << 7)
280
281 void __init plat_irq_setup_pins(int mode)
282 {
283         switch (mode) {
284         case IRQ_MODE_IRQ:
285                 __raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
286                 register_intc_controller(&intc_desc_irq);
287                 break;
288         default:
289                 BUG();
290         }
291 }
292
293 void __init plat_irq_setup(void)
294 {
295         register_intc_controller(&intc_desc);
296 }
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