1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * SH3 Setup code for SH7706, SH7707, SH7708, SH7709
4 *
5 * Copyright (C) 2007 Magnus Damm
6 * Copyright (C) 2009 Paul Mundt
7 *
8 * Based on setup-sh7709.c
9 *
10 * Copyright (C) 2006 Paul Mundt
11 */
12 #include <linux/init.h>
13 #include <linux/io.h>
14 #include <linux/irq.h>
15 #include <linux/platform_device.h>
16 #include <linux/serial.h>
17 #include <linux/serial_sci.h>
18 #include <linux/sh_timer.h>
19 #include <linux/sh_intc.h>
20 #include <cpu/serial.h>
21
22 enum {
23 UNUSED = 0,
24
25 /* interrupt sources */
26 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
27 PINT07, PINT815,
28 DMAC, SCIF0, SCIF2, SCI, ADC_ADI,
29 LCDC, PCC0, PCC1,
30 TMU0, TMU1, TMU2,
31 RTC, WDT, REF,
32 };
33
34 static struct intc_vect vectors[] __initdata = {
35 INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
36 INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
37 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
38 INTC_VECT(RTC, 0x4c0),
39 INTC_VECT(SCI, 0x4e0), INTC_VECT(SCI, 0x500),
40 INTC_VECT(SCI, 0x520), INTC_VECT(SCI, 0x540),
41 INTC_VECT(WDT, 0x560),
42 INTC_VECT(REF, 0x580),
43 INTC_VECT(REF, 0x5a0),
44 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
45 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
46 defined(CONFIG_CPU_SUBTYPE_SH7709)
47 /* IRQ0->5 are handled in setup-sh3.c */
48 INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
49 INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
50 INTC_VECT(ADC_ADI, 0x980),
51 INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
52 INTC_VECT(SCIF2, 0x940), INTC_VECT(SCIF2, 0x960),
53 #endif
54 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
55 defined(CONFIG_CPU_SUBTYPE_SH7709)
56 INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
57 INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
58 INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
59 #endif
60 #if defined(CONFIG_CPU_SUBTYPE_SH7707)
61 INTC_VECT(LCDC, 0x9a0),
62 INTC_VECT(PCC0, 0x9c0), INTC_VECT(PCC1, 0x9e0),
63 #endif
64 };
65
66 static struct intc_prio_reg prio_registers[] __initdata = {
67 { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
68 { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, SCI, 0 } },
69 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
70 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
71 defined(CONFIG_CPU_SUBTYPE_SH7709)
72 { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
73 { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
74 { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, 0, SCIF2, ADC_ADI } },
75 #endif
76 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
77 defined(CONFIG_CPU_SUBTYPE_SH7709)
78 { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, } },
79 { 0xa400001a, 0, 16, 4, /* IPRE */ { 0, SCIF0 } },
80 #endif
81 #if defined(CONFIG_CPU_SUBTYPE_SH7707)
82 { 0xa400001c, 0, 16, 4, /* IPRF */ { 0, LCDC, PCC0, PCC1, } },
83 #endif
84 };
85
86 static DECLARE_INTC_DESC(intc_desc, "sh770x", vectors, NULL,
87 NULL, prio_registers, NULL);
88
89 static struct resource rtc_resources[] = {
90 [0] = {
91 .start = 0xfffffec0,
92 .end = 0xfffffec0 + 0x1e,
93 .flags = IORESOURCE_IO,
94 },
95 [1] = {
96 .start = evt2irq(0x480),
97 .flags = IORESOURCE_IRQ,
98 },
99 };
100
101 static struct platform_device rtc_device = {
102 .name = "sh-rtc",
103 .id = -1,
104 .num_resources = ARRAY_SIZE(rtc_resources),
105 .resource = rtc_resources,
106 };
107
108 static struct plat_sci_port scif0_platform_data = {
109 .type = PORT_SCI,
110 .ops = &sh770x_sci_port_ops,
111 };
112
113 static struct resource scif0_resources[] = {
114 DEFINE_RES_MEM(0xfffffe80, 0x10),
115 DEFINE_RES_IRQ(evt2irq(0x4e0)),
116 };
117
118 static struct platform_device scif0_device = {
119 .name = "sh-sci",
120 .id = 0,
121 .resource = scif0_resources,
122 .num_resources = ARRAY_SIZE(scif0_resources),
123 .dev = {
124 .platform_data = &scif0_platform_data,
125 },
126 };
127 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
128 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
129 defined(CONFIG_CPU_SUBTYPE_SH7709)
130 static struct plat_sci_port scif1_platform_data = {
131 .type = PORT_SCIF,
132 .ops = &sh770x_sci_port_ops,
133 .regtype = SCIx_SH3_SCIF_REGTYPE,
134 };
135
136 static struct resource scif1_resources[] = {
137 DEFINE_RES_MEM(0xa4000150, 0x10),
138 DEFINE_RES_IRQ(evt2irq(0x900)),
139 };
140
141 static struct platform_device scif1_device = {
142 .name = "sh-sci",
143 .id = 1,
144 .resource = scif1_resources,
145 .num_resources = ARRAY_SIZE(scif1_resources),
146 .dev = {
147 .platform_data = &scif1_platform_data,
148 },
149 };
150 #endif
151 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
152 defined(CONFIG_CPU_SUBTYPE_SH7709)
153 static struct plat_sci_port scif2_platform_data = {
154 .type = PORT_IRDA,
155 .ops = &sh770x_sci_port_ops,
156 };
157
158 static struct resource scif2_resources[] = {
159 DEFINE_RES_MEM(0xa4000140, 0x10),
160 DEFINE_RES_IRQ(evt2irq(0x880)),
161 };
162
163 static struct platform_device scif2_device = {
164 .name = "sh-sci",
165 .id = 2,
166 .resource = scif2_resources,
167 .num_resources = ARRAY_SIZE(scif2_resources),
168 .dev = {
169 .platform_data = &scif2_platform_data,
170 },
171 };
172 #endif
173
174 static struct sh_timer_config tmu0_platform_data = {
175 .channels_mask = 7,
176 };
177
178 static struct resource tmu0_resources[] = {
179 DEFINE_RES_MEM(0xfffffe90, 0x2c),
180 DEFINE_RES_IRQ(evt2irq(0x400)),
181 DEFINE_RES_IRQ(evt2irq(0x420)),
182 DEFINE_RES_IRQ(evt2irq(0x440)),
183 };
184
185 static struct platform_device tmu0_device = {
186 .name = "sh-tmu-sh3",
187 .id = 0,
188 .dev = {
189 .platform_data = &tmu0_platform_data,
190 },
191 .resource = tmu0_resources,
192 .num_resources = ARRAY_SIZE(tmu0_resources),
193 };
194
195 static struct platform_device *sh770x_devices[] __initdata = {
196 &scif0_device,
197 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
198 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
199 defined(CONFIG_CPU_SUBTYPE_SH7709)
200 &scif1_device,
201 #endif
202 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
203 defined(CONFIG_CPU_SUBTYPE_SH7709)
204 &scif2_device,
205 #endif
206 &tmu0_device,
207 &rtc_device,
208 };
209
sh770x_devices_setup(void)210 static int __init sh770x_devices_setup(void)
211 {
212 return platform_add_devices(sh770x_devices,
213 ARRAY_SIZE(sh770x_devices));
214 }
215 arch_initcall(sh770x_devices_setup);
216
217 static struct platform_device *sh770x_early_devices[] __initdata = {
218 &scif0_device,
219 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
220 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
221 defined(CONFIG_CPU_SUBTYPE_SH7709)
222 &scif1_device,
223 #endif
224 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
225 defined(CONFIG_CPU_SUBTYPE_SH7709)
226 &scif2_device,
227 #endif
228 &tmu0_device,
229 };
230
plat_early_device_setup(void)231 void __init plat_early_device_setup(void)
232 {
233 early_platform_add_devices(sh770x_early_devices,
234 ARRAY_SIZE(sh770x_early_devices));
235 }
236
plat_irq_setup(void)237 void __init plat_irq_setup(void)
238 {
239 register_intc_controller(&intc_desc);
240 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
241 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
242 defined(CONFIG_CPU_SUBTYPE_SH7709)
243 plat_irq_setup_sh3();
244 #endif
245 }
246