xref: /openbmc/linux/arch/sh/kernel/cpu/sh3/setup-sh770x.c (revision a89988a6)
1 /*
2  * SH3 Setup code for SH7706, SH7707, SH7708, SH7709
3  *
4  *  Copyright (C) 2007  Magnus Damm
5  *  Copyright (C) 2009  Paul Mundt
6  *
7  * Based on setup-sh7709.c
8  *
9  *  Copyright (C) 2006  Paul Mundt
10  *
11  * This file is subject to the terms and conditions of the GNU General Public
12  * License.  See the file "COPYING" in the main directory of this archive
13  * for more details.
14  */
15 #include <linux/init.h>
16 #include <linux/io.h>
17 #include <linux/irq.h>
18 #include <linux/platform_device.h>
19 #include <linux/serial.h>
20 #include <linux/serial_sci.h>
21 #include <linux/sh_timer.h>
22 #include <linux/sh_intc.h>
23 #include <cpu/serial.h>
24 
25 enum {
26 	UNUSED = 0,
27 
28 	/* interrupt sources */
29 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
30 	PINT07, PINT815,
31 	DMAC, SCIF0, SCIF2, SCI, ADC_ADI,
32 	LCDC, PCC0, PCC1,
33 	TMU0, TMU1, TMU2,
34 	RTC, WDT, REF,
35 };
36 
37 static struct intc_vect vectors[] __initdata = {
38 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
39 	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
40 	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
41 	INTC_VECT(RTC, 0x4c0),
42 	INTC_VECT(SCI, 0x4e0), INTC_VECT(SCI, 0x500),
43 	INTC_VECT(SCI, 0x520), INTC_VECT(SCI, 0x540),
44 	INTC_VECT(WDT, 0x560),
45 	INTC_VECT(REF, 0x580),
46 	INTC_VECT(REF, 0x5a0),
47 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
48     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
49     defined(CONFIG_CPU_SUBTYPE_SH7709)
50 	/* IRQ0->5 are handled in setup-sh3.c */
51 	INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
52 	INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
53 	INTC_VECT(ADC_ADI, 0x980),
54 	INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
55 	INTC_VECT(SCIF2, 0x940), INTC_VECT(SCIF2, 0x960),
56 #endif
57 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
58     defined(CONFIG_CPU_SUBTYPE_SH7709)
59 	INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
60 	INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
61 	INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
62 #endif
63 #if defined(CONFIG_CPU_SUBTYPE_SH7707)
64 	INTC_VECT(LCDC, 0x9a0),
65 	INTC_VECT(PCC0, 0x9c0), INTC_VECT(PCC1, 0x9e0),
66 #endif
67 };
68 
69 static struct intc_prio_reg prio_registers[] __initdata = {
70 	{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
71 	{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, SCI, 0 } },
72 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
73     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
74     defined(CONFIG_CPU_SUBTYPE_SH7709)
75 	{ 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
76 	{ 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
77 	{ 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, 0, SCIF2, ADC_ADI } },
78 #endif
79 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
80     defined(CONFIG_CPU_SUBTYPE_SH7709)
81 	{ 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, } },
82 	{ 0xa400001a, 0, 16, 4, /* IPRE */ { 0, SCIF0 } },
83 #endif
84 #if defined(CONFIG_CPU_SUBTYPE_SH7707)
85 	{ 0xa400001c, 0, 16, 4, /* IPRF */ { 0, LCDC, PCC0, PCC1, } },
86 #endif
87 };
88 
89 static DECLARE_INTC_DESC(intc_desc, "sh770x", vectors, NULL,
90 			 NULL, prio_registers, NULL);
91 
92 static struct resource rtc_resources[] = {
93 	[0] =	{
94 		.start	= 0xfffffec0,
95 		.end	= 0xfffffec0 + 0x1e,
96 		.flags  = IORESOURCE_IO,
97 	},
98 	[1] =	{
99 		.start	= evt2irq(0x480),
100 		.flags  = IORESOURCE_IRQ,
101 	},
102 };
103 
104 static struct platform_device rtc_device = {
105 	.name		= "sh-rtc",
106 	.id		= -1,
107 	.num_resources	= ARRAY_SIZE(rtc_resources),
108 	.resource	= rtc_resources,
109 };
110 
111 static struct plat_sci_port scif0_platform_data = {
112 	.type		= PORT_SCI,
113 	.ops		= &sh770x_sci_port_ops,
114 };
115 
116 static struct resource scif0_resources[] = {
117 	DEFINE_RES_MEM(0xfffffe80, 0x10),
118 	DEFINE_RES_IRQ(evt2irq(0x4e0)),
119 };
120 
121 static struct platform_device scif0_device = {
122 	.name		= "sh-sci",
123 	.id		= 0,
124 	.resource	= scif0_resources,
125 	.num_resources	= ARRAY_SIZE(scif0_resources),
126 	.dev		= {
127 		.platform_data	= &scif0_platform_data,
128 	},
129 };
130 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
131     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
132     defined(CONFIG_CPU_SUBTYPE_SH7709)
133 static struct plat_sci_port scif1_platform_data = {
134 	.type		= PORT_SCIF,
135 	.ops		= &sh770x_sci_port_ops,
136 	.regtype	= SCIx_SH3_SCIF_REGTYPE,
137 };
138 
139 static struct resource scif1_resources[] = {
140 	DEFINE_RES_MEM(0xa4000150, 0x10),
141 	DEFINE_RES_IRQ(evt2irq(0x900)),
142 };
143 
144 static struct platform_device scif1_device = {
145 	.name		= "sh-sci",
146 	.id		= 1,
147 	.resource	= scif1_resources,
148 	.num_resources	= ARRAY_SIZE(scif1_resources),
149 	.dev		= {
150 		.platform_data	= &scif1_platform_data,
151 	},
152 };
153 #endif
154 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
155     defined(CONFIG_CPU_SUBTYPE_SH7709)
156 static struct plat_sci_port scif2_platform_data = {
157 	.type		= PORT_IRDA,
158 	.ops		= &sh770x_sci_port_ops,
159 };
160 
161 static struct resource scif2_resources[] = {
162 	DEFINE_RES_MEM(0xa4000140, 0x10),
163 	DEFINE_RES_IRQ(evt2irq(0x880)),
164 };
165 
166 static struct platform_device scif2_device = {
167 	.name		= "sh-sci",
168 	.id		= 2,
169 	.resource	= scif2_resources,
170 	.num_resources	= ARRAY_SIZE(scif2_resources),
171 	.dev		= {
172 		.platform_data	= &scif2_platform_data,
173 	},
174 };
175 #endif
176 
177 static struct sh_timer_config tmu0_platform_data = {
178 	.channels_mask = 7,
179 };
180 
181 static struct resource tmu0_resources[] = {
182 	DEFINE_RES_MEM(0xfffffe90, 0x2c),
183 	DEFINE_RES_IRQ(evt2irq(0x400)),
184 	DEFINE_RES_IRQ(evt2irq(0x420)),
185 	DEFINE_RES_IRQ(evt2irq(0x440)),
186 };
187 
188 static struct platform_device tmu0_device = {
189 	.name		= "sh-tmu-sh3",
190 	.id		= 0,
191 	.dev = {
192 		.platform_data	= &tmu0_platform_data,
193 	},
194 	.resource	= tmu0_resources,
195 	.num_resources	= ARRAY_SIZE(tmu0_resources),
196 };
197 
198 static struct platform_device *sh770x_devices[] __initdata = {
199 	&scif0_device,
200 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
201     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
202     defined(CONFIG_CPU_SUBTYPE_SH7709)
203 	&scif1_device,
204 #endif
205 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
206     defined(CONFIG_CPU_SUBTYPE_SH7709)
207 	&scif2_device,
208 #endif
209 	&tmu0_device,
210 	&rtc_device,
211 };
212 
213 static int __init sh770x_devices_setup(void)
214 {
215 	return platform_add_devices(sh770x_devices,
216 		ARRAY_SIZE(sh770x_devices));
217 }
218 arch_initcall(sh770x_devices_setup);
219 
220 static struct platform_device *sh770x_early_devices[] __initdata = {
221 	&scif0_device,
222 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
223     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
224     defined(CONFIG_CPU_SUBTYPE_SH7709)
225 	&scif1_device,
226 #endif
227 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
228     defined(CONFIG_CPU_SUBTYPE_SH7709)
229 	&scif2_device,
230 #endif
231 	&tmu0_device,
232 };
233 
234 void __init plat_early_device_setup(void)
235 {
236 	early_platform_add_devices(sh770x_early_devices,
237 				   ARRAY_SIZE(sh770x_early_devices));
238 }
239 
240 void __init plat_irq_setup(void)
241 {
242 	register_intc_controller(&intc_desc);
243 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
244     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
245     defined(CONFIG_CPU_SUBTYPE_SH7709)
246 	plat_irq_setup_sh3();
247 #endif
248 }
249