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#include <asm/platform_early.h>
22
23enum {
24	UNUSED = 0,
25
26	/* interrupt sources */
27	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
28	PINT07, PINT815,
29	DMAC, SCIF0, SCIF2, SCI, ADC_ADI,
30	LCDC, PCC0, PCC1,
31	TMU0, TMU1, TMU2,
32	RTC, WDT, REF,
33};
34
35static struct intc_vect vectors[] __initdata = {
36	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
37	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
38	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
39	INTC_VECT(RTC, 0x4c0),
40	INTC_VECT(SCI, 0x4e0), INTC_VECT(SCI, 0x500),
41	INTC_VECT(SCI, 0x520), INTC_VECT(SCI, 0x540),
42	INTC_VECT(WDT, 0x560),
43	INTC_VECT(REF, 0x580),
44	INTC_VECT(REF, 0x5a0),
45#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
46    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
47    defined(CONFIG_CPU_SUBTYPE_SH7709)
48	/* IRQ0->5 are handled in setup-sh3.c */
49	INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
50	INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
51	INTC_VECT(ADC_ADI, 0x980),
52	INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
53	INTC_VECT(SCIF2, 0x940), INTC_VECT(SCIF2, 0x960),
54#endif
55#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
56    defined(CONFIG_CPU_SUBTYPE_SH7709)
57	INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
58	INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
59	INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
60#endif
61#if defined(CONFIG_CPU_SUBTYPE_SH7707)
62	INTC_VECT(LCDC, 0x9a0),
63	INTC_VECT(PCC0, 0x9c0), INTC_VECT(PCC1, 0x9e0),
64#endif
65};
66
67static struct intc_prio_reg prio_registers[] __initdata = {
68	{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
69	{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, SCI, 0 } },
70#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
71    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
72    defined(CONFIG_CPU_SUBTYPE_SH7709)
73	{ 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
74	{ 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
75	{ 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, 0, SCIF2, ADC_ADI } },
76#endif
77#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
78    defined(CONFIG_CPU_SUBTYPE_SH7709)
79	{ 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, } },
80	{ 0xa400001a, 0, 16, 4, /* IPRE */ { 0, SCIF0 } },
81#endif
82#if defined(CONFIG_CPU_SUBTYPE_SH7707)
83	{ 0xa400001c, 0, 16, 4, /* IPRF */ { 0, LCDC, PCC0, PCC1, } },
84#endif
85};
86
87static DECLARE_INTC_DESC(intc_desc, "sh770x", vectors, NULL,
88			 NULL, prio_registers, NULL);
89
90static struct resource rtc_resources[] = {
91	[0] =	{
92		.start	= 0xfffffec0,
93		.end	= 0xfffffec0 + 0x1e,
94		.flags  = IORESOURCE_IO,
95	},
96	[1] =	{
97		.start	= evt2irq(0x480),
98		.flags  = IORESOURCE_IRQ,
99	},
100};
101
102static struct platform_device rtc_device = {
103	.name		= "sh-rtc",
104	.id		= -1,
105	.num_resources	= ARRAY_SIZE(rtc_resources),
106	.resource	= rtc_resources,
107};
108
109static struct plat_sci_port scif0_platform_data = {
110	.type		= PORT_SCI,
111	.ops		= &sh770x_sci_port_ops,
112};
113
114static struct resource scif0_resources[] = {
115	DEFINE_RES_MEM(0xfffffe80, 0x10),
116	DEFINE_RES_IRQ(evt2irq(0x4e0)),
117};
118
119static struct platform_device scif0_device = {
120	.name		= "sh-sci",
121	.id		= 0,
122	.resource	= scif0_resources,
123	.num_resources	= ARRAY_SIZE(scif0_resources),
124	.dev		= {
125		.platform_data	= &scif0_platform_data,
126	},
127};
128#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
129    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
130    defined(CONFIG_CPU_SUBTYPE_SH7709)
131static struct plat_sci_port scif1_platform_data = {
132	.type		= PORT_SCIF,
133	.ops		= &sh770x_sci_port_ops,
134	.regtype	= SCIx_SH3_SCIF_REGTYPE,
135};
136
137static struct resource scif1_resources[] = {
138	DEFINE_RES_MEM(0xa4000150, 0x10),
139	DEFINE_RES_IRQ(evt2irq(0x900)),
140};
141
142static struct platform_device scif1_device = {
143	.name		= "sh-sci",
144	.id		= 1,
145	.resource	= scif1_resources,
146	.num_resources	= ARRAY_SIZE(scif1_resources),
147	.dev		= {
148		.platform_data	= &scif1_platform_data,
149	},
150};
151#endif
152#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
153    defined(CONFIG_CPU_SUBTYPE_SH7709)
154static struct plat_sci_port scif2_platform_data = {
155	.type		= PORT_IRDA,
156	.ops		= &sh770x_sci_port_ops,
157};
158
159static struct resource scif2_resources[] = {
160	DEFINE_RES_MEM(0xa4000140, 0x10),
161	DEFINE_RES_IRQ(evt2irq(0x880)),
162};
163
164static struct platform_device scif2_device = {
165	.name		= "sh-sci",
166	.id		= 2,
167	.resource	= scif2_resources,
168	.num_resources	= ARRAY_SIZE(scif2_resources),
169	.dev		= {
170		.platform_data	= &scif2_platform_data,
171	},
172};
173#endif
174
175static struct sh_timer_config tmu0_platform_data = {
176	.channels_mask = 7,
177};
178
179static struct resource tmu0_resources[] = {
180	DEFINE_RES_MEM(0xfffffe90, 0x2c),
181	DEFINE_RES_IRQ(evt2irq(0x400)),
182	DEFINE_RES_IRQ(evt2irq(0x420)),
183	DEFINE_RES_IRQ(evt2irq(0x440)),
184};
185
186static struct platform_device tmu0_device = {
187	.name		= "sh-tmu-sh3",
188	.id		= 0,
189	.dev = {
190		.platform_data	= &tmu0_platform_data,
191	},
192	.resource	= tmu0_resources,
193	.num_resources	= ARRAY_SIZE(tmu0_resources),
194};
195
196static struct platform_device *sh770x_devices[] __initdata = {
197	&scif0_device,
198#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
199    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
200    defined(CONFIG_CPU_SUBTYPE_SH7709)
201	&scif1_device,
202#endif
203#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
204    defined(CONFIG_CPU_SUBTYPE_SH7709)
205	&scif2_device,
206#endif
207	&tmu0_device,
208	&rtc_device,
209};
210
211static int __init sh770x_devices_setup(void)
212{
213	return platform_add_devices(sh770x_devices,
214		ARRAY_SIZE(sh770x_devices));
215}
216arch_initcall(sh770x_devices_setup);
217
218static struct platform_device *sh770x_early_devices[] __initdata = {
219	&scif0_device,
220#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
221    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
222    defined(CONFIG_CPU_SUBTYPE_SH7709)
223	&scif1_device,
224#endif
225#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
226    defined(CONFIG_CPU_SUBTYPE_SH7709)
227	&scif2_device,
228#endif
229	&tmu0_device,
230};
231
232void __init plat_early_device_setup(void)
233{
234	sh_early_platform_add_devices(sh770x_early_devices,
235				   ARRAY_SIZE(sh770x_early_devices));
236}
237
238void __init plat_irq_setup(void)
239{
240	register_intc_controller(&intc_desc);
241#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
242    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
243    defined(CONFIG_CPU_SUBTYPE_SH7709)
244	plat_irq_setup_sh3();
245#endif
246}
247