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eccf0607 MD |
1 | /* |
2 | * r8a73a4 processor support | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Copyright (C) 2013 Magnus Damm | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; version 2 of the License. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | #include <linux/irq.h> | |
eccf0607 MD |
21 | #include <linux/kernel.h> |
22 | #include <linux/of_platform.h> | |
984ca295 | 23 | #include <linux/platform_data/irq-renesas-irqc.h> |
e481a528 | 24 | #include <linux/serial_sci.h> |
9f754b4a | 25 | #include <linux/sh_dma.h> |
a7b99f27 | 26 | #include <linux/sh_timer.h> |
fac49568 | 27 | |
eccf0607 MD |
28 | #include <asm/mach/arch.h> |
29 | ||
fd44aa5e | 30 | #include "common.h" |
74ac0de8 | 31 | #include "dma-register.h" |
b6bab126 | 32 | #include "irqs.h" |
fac49568 | 33 | #include "r8a73a4.h" |
eccf0607 | 34 | |
d313d068 MD |
35 | static const struct resource pfc_resources[] = { |
36 | DEFINE_RES_MEM(0xe6050000, 0x9000), | |
37 | }; | |
38 | ||
39 | void __init r8a73a4_pinmux_init(void) | |
40 | { | |
41 | platform_device_register_simple("pfc-r8a73a4", -1, pfc_resources, | |
42 | ARRAY_SIZE(pfc_resources)); | |
43 | } | |
44 | ||
4d32e834 LP |
45 | #define R8A73A4_SCIF(scif_type, _scscr, index, baseaddr, irq) \ |
46 | static struct plat_sci_port scif##index##_platform_data = { \ | |
e481a528 | 47 | .type = scif_type, \ |
e481a528 | 48 | .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ |
4d32e834 | 49 | .scscr = _scscr, \ |
8826478e LP |
50 | }; \ |
51 | \ | |
52 | static struct resource scif##index##_resources[] = { \ | |
53 | DEFINE_RES_MEM(baseaddr, 0x100), \ | |
54 | DEFINE_RES_IRQ(irq), \ | |
e481a528 MD |
55 | } |
56 | ||
4d32e834 LP |
57 | #define R8A73A4_SCIFA(index, baseaddr, irq) \ |
58 | R8A73A4_SCIF(PORT_SCIFA, SCSCR_RE | SCSCR_TE | SCSCR_CKE0, \ | |
59 | index, baseaddr, irq) | |
e481a528 | 60 | |
4d32e834 LP |
61 | #define R8A73A4_SCIFB(index, baseaddr, irq) \ |
62 | R8A73A4_SCIF(PORT_SCIFB, SCSCR_RE | SCSCR_TE, \ | |
63 | index, baseaddr, irq) | |
e481a528 | 64 | |
4d32e834 LP |
65 | R8A73A4_SCIFA(0, 0xe6c40000, gic_spi(144)); /* SCIFA0 */ |
66 | R8A73A4_SCIFA(1, 0xe6c50000, gic_spi(145)); /* SCIFA1 */ | |
67 | R8A73A4_SCIFB(2, 0xe6c20000, gic_spi(148)); /* SCIFB0 */ | |
68 | R8A73A4_SCIFB(3, 0xe6c30000, gic_spi(149)); /* SCIFB1 */ | |
69 | R8A73A4_SCIFB(4, 0xe6ce0000, gic_spi(150)); /* SCIFB2 */ | |
70 | R8A73A4_SCIFB(5, 0xe6cf0000, gic_spi(151)); /* SCIFB3 */ | |
e481a528 | 71 | |
4d32e834 | 72 | #define r8a73a4_register_scif(index) \ |
d2168146 | 73 | platform_device_register_resndata(NULL, "sh-sci", index, \ |
8826478e LP |
74 | scif##index##_resources, \ |
75 | ARRAY_SIZE(scif##index##_resources), \ | |
76 | &scif##index##_platform_data, \ | |
77 | sizeof(scif##index##_platform_data)) | |
e481a528 | 78 | |
984ca295 MD |
79 | static const struct renesas_irqc_config irqc0_data = { |
80 | .irq_base = irq_pin(0), /* IRQ0 -> IRQ31 */ | |
81 | }; | |
82 | ||
83 | static const struct resource irqc0_resources[] = { | |
84 | DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ | |
85 | DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ | |
86 | DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ | |
87 | DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */ | |
88 | DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */ | |
89 | DEFINE_RES_IRQ(gic_spi(4)), /* IRQ4 */ | |
90 | DEFINE_RES_IRQ(gic_spi(5)), /* IRQ5 */ | |
91 | DEFINE_RES_IRQ(gic_spi(6)), /* IRQ6 */ | |
92 | DEFINE_RES_IRQ(gic_spi(7)), /* IRQ7 */ | |
93 | DEFINE_RES_IRQ(gic_spi(8)), /* IRQ8 */ | |
94 | DEFINE_RES_IRQ(gic_spi(9)), /* IRQ9 */ | |
95 | DEFINE_RES_IRQ(gic_spi(10)), /* IRQ10 */ | |
96 | DEFINE_RES_IRQ(gic_spi(11)), /* IRQ11 */ | |
97 | DEFINE_RES_IRQ(gic_spi(12)), /* IRQ12 */ | |
98 | DEFINE_RES_IRQ(gic_spi(13)), /* IRQ13 */ | |
99 | DEFINE_RES_IRQ(gic_spi(14)), /* IRQ14 */ | |
100 | DEFINE_RES_IRQ(gic_spi(15)), /* IRQ15 */ | |
101 | DEFINE_RES_IRQ(gic_spi(16)), /* IRQ16 */ | |
102 | DEFINE_RES_IRQ(gic_spi(17)), /* IRQ17 */ | |
103 | DEFINE_RES_IRQ(gic_spi(18)), /* IRQ18 */ | |
104 | DEFINE_RES_IRQ(gic_spi(19)), /* IRQ19 */ | |
105 | DEFINE_RES_IRQ(gic_spi(20)), /* IRQ20 */ | |
106 | DEFINE_RES_IRQ(gic_spi(21)), /* IRQ21 */ | |
107 | DEFINE_RES_IRQ(gic_spi(22)), /* IRQ22 */ | |
108 | DEFINE_RES_IRQ(gic_spi(23)), /* IRQ23 */ | |
109 | DEFINE_RES_IRQ(gic_spi(24)), /* IRQ24 */ | |
110 | DEFINE_RES_IRQ(gic_spi(25)), /* IRQ25 */ | |
111 | DEFINE_RES_IRQ(gic_spi(26)), /* IRQ26 */ | |
112 | DEFINE_RES_IRQ(gic_spi(27)), /* IRQ27 */ | |
113 | DEFINE_RES_IRQ(gic_spi(28)), /* IRQ28 */ | |
114 | DEFINE_RES_IRQ(gic_spi(29)), /* IRQ29 */ | |
115 | DEFINE_RES_IRQ(gic_spi(30)), /* IRQ30 */ | |
116 | DEFINE_RES_IRQ(gic_spi(31)), /* IRQ31 */ | |
117 | }; | |
118 | ||
119 | static const struct renesas_irqc_config irqc1_data = { | |
120 | .irq_base = irq_pin(32), /* IRQ32 -> IRQ57 */ | |
121 | }; | |
122 | ||
123 | static const struct resource irqc1_resources[] = { | |
124 | DEFINE_RES_MEM(0xe61c0200, 0x200), /* IRQC Event Detector Block_1 */ | |
125 | DEFINE_RES_IRQ(gic_spi(32)), /* IRQ32 */ | |
126 | DEFINE_RES_IRQ(gic_spi(33)), /* IRQ33 */ | |
127 | DEFINE_RES_IRQ(gic_spi(34)), /* IRQ34 */ | |
128 | DEFINE_RES_IRQ(gic_spi(35)), /* IRQ35 */ | |
129 | DEFINE_RES_IRQ(gic_spi(36)), /* IRQ36 */ | |
130 | DEFINE_RES_IRQ(gic_spi(37)), /* IRQ37 */ | |
131 | DEFINE_RES_IRQ(gic_spi(38)), /* IRQ38 */ | |
132 | DEFINE_RES_IRQ(gic_spi(39)), /* IRQ39 */ | |
133 | DEFINE_RES_IRQ(gic_spi(40)), /* IRQ40 */ | |
134 | DEFINE_RES_IRQ(gic_spi(41)), /* IRQ41 */ | |
135 | DEFINE_RES_IRQ(gic_spi(42)), /* IRQ42 */ | |
136 | DEFINE_RES_IRQ(gic_spi(43)), /* IRQ43 */ | |
137 | DEFINE_RES_IRQ(gic_spi(44)), /* IRQ44 */ | |
138 | DEFINE_RES_IRQ(gic_spi(45)), /* IRQ45 */ | |
139 | DEFINE_RES_IRQ(gic_spi(46)), /* IRQ46 */ | |
140 | DEFINE_RES_IRQ(gic_spi(47)), /* IRQ47 */ | |
141 | DEFINE_RES_IRQ(gic_spi(48)), /* IRQ48 */ | |
142 | DEFINE_RES_IRQ(gic_spi(49)), /* IRQ49 */ | |
143 | DEFINE_RES_IRQ(gic_spi(50)), /* IRQ50 */ | |
144 | DEFINE_RES_IRQ(gic_spi(51)), /* IRQ51 */ | |
145 | DEFINE_RES_IRQ(gic_spi(52)), /* IRQ52 */ | |
146 | DEFINE_RES_IRQ(gic_spi(53)), /* IRQ53 */ | |
147 | DEFINE_RES_IRQ(gic_spi(54)), /* IRQ54 */ | |
148 | DEFINE_RES_IRQ(gic_spi(55)), /* IRQ55 */ | |
149 | DEFINE_RES_IRQ(gic_spi(56)), /* IRQ56 */ | |
150 | DEFINE_RES_IRQ(gic_spi(57)), /* IRQ57 */ | |
151 | }; | |
152 | ||
153 | #define r8a73a4_register_irqc(idx) \ | |
d2168146 | 154 | platform_device_register_resndata(NULL, "renesas_irqc", \ |
984ca295 MD |
155 | idx, irqc##idx##_resources, \ |
156 | ARRAY_SIZE(irqc##idx##_resources), \ | |
157 | &irqc##idx##_data, \ | |
158 | sizeof(struct renesas_irqc_config)) | |
159 | ||
c91cf2fa KM |
160 | /* Thermal0 -> Thermal2 */ |
161 | static const struct resource thermal0_resources[] = { | |
162 | DEFINE_RES_MEM(0xe61f0000, 0x14), | |
163 | DEFINE_RES_MEM(0xe61f0100, 0x38), | |
164 | DEFINE_RES_MEM(0xe61f0200, 0x38), | |
165 | DEFINE_RES_MEM(0xe61f0300, 0x38), | |
166 | DEFINE_RES_IRQ(gic_spi(69)), | |
167 | }; | |
168 | ||
169 | #define r8a73a4_register_thermal() \ | |
170 | platform_device_register_simple("rcar_thermal", -1, \ | |
171 | thermal0_resources, \ | |
172 | ARRAY_SIZE(thermal0_resources)) | |
173 | ||
52065ef7 LP |
174 | static struct sh_timer_config cmt1_platform_data = { |
175 | .channels_mask = 0xff, | |
a7b99f27 MD |
176 | }; |
177 | ||
52065ef7 LP |
178 | static struct resource cmt1_resources[] = { |
179 | DEFINE_RES_MEM(0xe6130000, 0x1004), | |
180 | DEFINE_RES_IRQ(gic_spi(120)), | |
a7b99f27 MD |
181 | }; |
182 | ||
183 | #define r8a7790_register_cmt(idx) \ | |
d2168146 | 184 | platform_device_register_resndata(NULL, "sh-cmt-48-gen2", \ |
a7b99f27 MD |
185 | idx, cmt##idx##_resources, \ |
186 | ARRAY_SIZE(cmt##idx##_resources), \ | |
187 | &cmt##idx##_platform_data, \ | |
188 | sizeof(struct sh_timer_config)) | |
189 | ||
69f36661 | 190 | void __init r8a73a4_add_dt_devices(void) |
eccf0607 | 191 | { |
52065ef7 | 192 | r8a7790_register_cmt(1); |
69f36661 GL |
193 | } |
194 | ||
9f754b4a GL |
195 | /* DMA */ |
196 | static const struct sh_dmae_slave_config dma_slaves[] = { | |
197 | { | |
198 | .slave_id = SHDMA_SLAVE_MMCIF0_TX, | |
199 | .addr = 0xee200034, | |
200 | .chcr = CHCR_TX(XMIT_SZ_32BIT), | |
201 | .mid_rid = 0xd1, | |
202 | }, { | |
203 | .slave_id = SHDMA_SLAVE_MMCIF0_RX, | |
204 | .addr = 0xee200034, | |
205 | .chcr = CHCR_RX(XMIT_SZ_32BIT), | |
206 | .mid_rid = 0xd2, | |
207 | }, { | |
208 | .slave_id = SHDMA_SLAVE_MMCIF1_TX, | |
209 | .addr = 0xee220034, | |
210 | .chcr = CHCR_TX(XMIT_SZ_32BIT), | |
211 | .mid_rid = 0xe1, | |
212 | }, { | |
213 | .slave_id = SHDMA_SLAVE_MMCIF1_RX, | |
214 | .addr = 0xee220034, | |
215 | .chcr = CHCR_RX(XMIT_SZ_32BIT), | |
216 | .mid_rid = 0xe2, | |
217 | }, | |
218 | }; | |
219 | ||
220 | #define DMAE_CHANNEL(a, b) \ | |
221 | { \ | |
222 | .offset = (a) - 0x20, \ | |
223 | .dmars = (a) - 0x20 + 0x40, \ | |
224 | .chclr_bit = (b), \ | |
225 | .chclr_offset = 0x80 - 0x20, \ | |
226 | } | |
227 | ||
228 | static const struct sh_dmae_channel dma_channels[] = { | |
229 | DMAE_CHANNEL(0x8000, 0), | |
230 | DMAE_CHANNEL(0x8080, 1), | |
231 | DMAE_CHANNEL(0x8100, 2), | |
232 | DMAE_CHANNEL(0x8180, 3), | |
233 | DMAE_CHANNEL(0x8200, 4), | |
234 | DMAE_CHANNEL(0x8280, 5), | |
235 | DMAE_CHANNEL(0x8300, 6), | |
236 | DMAE_CHANNEL(0x8380, 7), | |
237 | DMAE_CHANNEL(0x8400, 8), | |
238 | DMAE_CHANNEL(0x8480, 9), | |
239 | DMAE_CHANNEL(0x8500, 10), | |
240 | DMAE_CHANNEL(0x8580, 11), | |
241 | DMAE_CHANNEL(0x8600, 12), | |
242 | DMAE_CHANNEL(0x8680, 13), | |
243 | DMAE_CHANNEL(0x8700, 14), | |
244 | DMAE_CHANNEL(0x8780, 15), | |
245 | DMAE_CHANNEL(0x8800, 16), | |
246 | DMAE_CHANNEL(0x8880, 17), | |
247 | DMAE_CHANNEL(0x8900, 18), | |
248 | DMAE_CHANNEL(0x8980, 19), | |
249 | }; | |
250 | ||
251 | static const struct sh_dmae_pdata dma_pdata = { | |
252 | .slave = dma_slaves, | |
253 | .slave_num = ARRAY_SIZE(dma_slaves), | |
254 | .channel = dma_channels, | |
255 | .channel_num = ARRAY_SIZE(dma_channels), | |
256 | .ts_low_shift = TS_LOW_SHIFT, | |
257 | .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, | |
258 | .ts_high_shift = TS_HI_SHIFT, | |
259 | .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, | |
260 | .ts_shift = dma_ts_shift, | |
261 | .ts_shift_num = ARRAY_SIZE(dma_ts_shift), | |
262 | .dmaor_init = DMAOR_DME, | |
263 | .chclr_present = 1, | |
264 | .chclr_bitwise = 1, | |
265 | }; | |
266 | ||
267 | static struct resource dma_resources[] = { | |
268 | DEFINE_RES_MEM(0xe6700020, 0x89e0), | |
1a936a38 | 269 | DEFINE_RES_IRQ(gic_spi(220)), |
9f754b4a GL |
270 | { |
271 | /* IRQ for channels 0-19 */ | |
272 | .start = gic_spi(200), | |
273 | .end = gic_spi(219), | |
274 | .flags = IORESOURCE_IRQ, | |
275 | }, | |
276 | }; | |
277 | ||
278 | #define r8a73a4_register_dmac() \ | |
d2168146 | 279 | platform_device_register_resndata(NULL, "sh-dma-engine", 0, \ |
9f754b4a GL |
280 | dma_resources, ARRAY_SIZE(dma_resources), \ |
281 | &dma_pdata, sizeof(dma_pdata)) | |
282 | ||
69f36661 GL |
283 | void __init r8a73a4_add_standard_devices(void) |
284 | { | |
285 | r8a73a4_add_dt_devices(); | |
27bc8235 SH |
286 | r8a73a4_register_scif(0); |
287 | r8a73a4_register_scif(1); | |
288 | r8a73a4_register_scif(2); | |
289 | r8a73a4_register_scif(3); | |
290 | r8a73a4_register_scif(4); | |
291 | r8a73a4_register_scif(5); | |
984ca295 MD |
292 | r8a73a4_register_irqc(0); |
293 | r8a73a4_register_irqc(1); | |
c91cf2fa | 294 | r8a73a4_register_thermal(); |
9f754b4a | 295 | r8a73a4_register_dmac(); |
eccf0607 MD |
296 | } |
297 | ||
298 | #ifdef CONFIG_USE_OF | |
eccf0607 MD |
299 | |
300 | static const char *r8a73a4_boards_compat_dt[] __initdata = { | |
301 | "renesas,r8a73a4", | |
302 | NULL, | |
303 | }; | |
304 | ||
305 | DT_MACHINE_START(R8A73A4_DT, "Generic R8A73A4 (Flattened Device Tree)") | |
f5720080 | 306 | .init_early = shmobile_init_delay, |
0592d1b5 | 307 | .init_late = shmobile_init_late, |
eccf0607 MD |
308 | .dt_compat = r8a73a4_boards_compat_dt, |
309 | MACHINE_END | |
310 | #endif /* CONFIG_USE_OF */ |