1// SPDX-License-Identifier: GPL-2.0
2/*
3 * SH7705 Setup
4 *
5 *  Copyright (C) 2006 - 2009  Paul Mundt
6 *  Copyright (C) 2007  Nobuhiro Iwamatsu
7 */
8#include <linux/platform_device.h>
9#include <linux/init.h>
10#include <linux/irq.h>
11#include <linux/serial.h>
12#include <linux/serial_sci.h>
13#include <linux/sh_timer.h>
14#include <linux/sh_intc.h>
15#include <asm/rtc.h>
16#include <cpu/serial.h>
17#include <asm/platform_early.h>
18
19enum {
20	UNUSED = 0,
21
22	/* interrupt sources */
23	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
24	PINT07, PINT815,
25
26	DMAC, SCIF0, SCIF2, ADC_ADI, USB,
27
28	TPU0, TPU1, TPU2, TPU3,
29	TMU0, TMU1, TMU2,
30
31	RTC, WDT, REF_RCMI,
32};
33
34static struct intc_vect vectors[] __initdata = {
35	/* IRQ0->5 are handled in setup-sh3.c */
36	INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
37	INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
38	INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
39	INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
40	INTC_VECT(SCIF0, 0x8e0),
41	INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
42	INTC_VECT(SCIF2, 0x960),
43	INTC_VECT(ADC_ADI, 0x980),
44	INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
45	INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
46	INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
47	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
48	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
49	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
50	INTC_VECT(RTC, 0x4c0),
51	INTC_VECT(WDT, 0x560),
52	INTC_VECT(REF_RCMI, 0x580),
53};
54
55static struct intc_prio_reg prio_registers[] __initdata = {
56	{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
57	{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
58	{ 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
59	{ 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
60	{ 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
61	{ 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
62	{ 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
63	{ 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
64
65};
66
67static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
68			 NULL, prio_registers, NULL);
69
70static struct plat_sci_port scif0_platform_data = {
71	.scscr		= SCSCR_CKE1,
72	.type		= PORT_SCIF,
73	.ops		= &sh770x_sci_port_ops,
74	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
75};
76
77static struct resource scif0_resources[] = {
78	DEFINE_RES_MEM(0xa4410000, 0x100),
79	DEFINE_RES_IRQ(evt2irq(0x900)),
80};
81
82static struct platform_device scif0_device = {
83	.name		= "sh-sci",
84	.id		= 0,
85	.resource	= scif0_resources,
86	.num_resources	= ARRAY_SIZE(scif0_resources),
87	.dev		= {
88		.platform_data	= &scif0_platform_data,
89	},
90};
91
92static struct plat_sci_port scif1_platform_data = {
93	.type		= PORT_SCIF,
94	.ops		= &sh770x_sci_port_ops,
95	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
96};
97
98static struct resource scif1_resources[] = {
99	DEFINE_RES_MEM(0xa4400000, 0x100),
100	DEFINE_RES_IRQ(evt2irq(0x880)),
101};
102
103static struct platform_device scif1_device = {
104	.name		= "sh-sci",
105	.id		= 1,
106	.resource	= scif1_resources,
107	.num_resources	= ARRAY_SIZE(scif1_resources),
108	.dev		= {
109		.platform_data	= &scif1_platform_data,
110	},
111};
112
113static struct resource rtc_resources[] = {
114	[0] =	{
115		.start	= 0xfffffec0,
116		.end	= 0xfffffec0 + 0x1e,
117		.flags  = IORESOURCE_IO,
118	},
119	[1] =	{
120		.start  = evt2irq(0x480),
121		.flags	= IORESOURCE_IRQ,
122	},
123};
124
125static struct sh_rtc_platform_info rtc_info = {
126	.capabilities	= RTC_CAP_4_DIGIT_YEAR,
127};
128
129static struct platform_device rtc_device = {
130	.name		= "sh-rtc",
131	.id		= -1,
132	.num_resources	= ARRAY_SIZE(rtc_resources),
133	.resource	= rtc_resources,
134	.dev		= {
135		.platform_data = &rtc_info,
136	},
137};
138
139static struct sh_timer_config tmu0_platform_data = {
140	.channels_mask = 7,
141};
142
143static struct resource tmu0_resources[] = {
144	DEFINE_RES_MEM(0xfffffe90, 0x2c),
145	DEFINE_RES_IRQ(evt2irq(0x400)),
146	DEFINE_RES_IRQ(evt2irq(0x420)),
147	DEFINE_RES_IRQ(evt2irq(0x440)),
148};
149
150static struct platform_device tmu0_device = {
151	.name		= "sh-tmu-sh3",
152	.id		= 0,
153	.dev = {
154		.platform_data	= &tmu0_platform_data,
155	},
156	.resource	= tmu0_resources,
157	.num_resources	= ARRAY_SIZE(tmu0_resources),
158};
159
160static struct platform_device *sh7705_devices[] __initdata = {
161	&scif0_device,
162	&scif1_device,
163	&tmu0_device,
164	&rtc_device,
165};
166
167static int __init sh7705_devices_setup(void)
168{
169	return platform_add_devices(sh7705_devices,
170				    ARRAY_SIZE(sh7705_devices));
171}
172arch_initcall(sh7705_devices_setup);
173
174static struct platform_device *sh7705_early_devices[] __initdata = {
175	&scif0_device,
176	&scif1_device,
177	&tmu0_device,
178};
179
180void __init plat_early_device_setup(void)
181{
182	sh_early_platform_add_devices(sh7705_early_devices,
183				   ARRAY_SIZE(sh7705_early_devices));
184}
185
186void __init plat_irq_setup(void)
187{
188	register_intc_controller(&intc_desc);
189	plat_irq_setup_sh3();
190}
191