xref: /openbmc/linux/arch/sh/kernel/cpu/sh3/setup-sh770x.c (revision a8da474e)
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 	.port_reg	= 0xa4000136,
113 	.flags		= UPF_BOOT_AUTOCONF,
114 	.scscr		= SCSCR_TE | SCSCR_RE,
115 	.type		= PORT_SCI,
116 	.ops		= &sh770x_sci_port_ops,
117 	.regshift	= 1,
118 };
119 
120 static struct resource scif0_resources[] = {
121 	DEFINE_RES_MEM(0xfffffe80, 0x10),
122 	DEFINE_RES_IRQ(evt2irq(0x4e0)),
123 };
124 
125 static struct platform_device scif0_device = {
126 	.name		= "sh-sci",
127 	.id		= 0,
128 	.resource	= scif0_resources,
129 	.num_resources	= ARRAY_SIZE(scif0_resources),
130 	.dev		= {
131 		.platform_data	= &scif0_platform_data,
132 	},
133 };
134 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
135     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
136     defined(CONFIG_CPU_SUBTYPE_SH7709)
137 static struct plat_sci_port scif1_platform_data = {
138 	.flags		= UPF_BOOT_AUTOCONF,
139 	.scscr		= SCSCR_TE | SCSCR_RE,
140 	.type		= PORT_SCIF,
141 	.ops		= &sh770x_sci_port_ops,
142 	.regtype	= SCIx_SH3_SCIF_REGTYPE,
143 };
144 
145 static struct resource scif1_resources[] = {
146 	DEFINE_RES_MEM(0xa4000150, 0x10),
147 	DEFINE_RES_IRQ(evt2irq(0x900)),
148 };
149 
150 static struct platform_device scif1_device = {
151 	.name		= "sh-sci",
152 	.id		= 1,
153 	.resource	= scif1_resources,
154 	.num_resources	= ARRAY_SIZE(scif1_resources),
155 	.dev		= {
156 		.platform_data	= &scif1_platform_data,
157 	},
158 };
159 #endif
160 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
161     defined(CONFIG_CPU_SUBTYPE_SH7709)
162 static struct plat_sci_port scif2_platform_data = {
163 	.port_reg	= SCIx_NOT_SUPPORTED,
164 	.flags		= UPF_BOOT_AUTOCONF,
165 	.scscr		= SCSCR_TE | SCSCR_RE,
166 	.type		= PORT_IRDA,
167 	.ops		= &sh770x_sci_port_ops,
168 	.regshift	= 1,
169 };
170 
171 static struct resource scif2_resources[] = {
172 	DEFINE_RES_MEM(0xa4000140, 0x10),
173 	DEFINE_RES_IRQ(evt2irq(0x880)),
174 };
175 
176 static struct platform_device scif2_device = {
177 	.name		= "sh-sci",
178 	.id		= 2,
179 	.resource	= scif2_resources,
180 	.num_resources	= ARRAY_SIZE(scif2_resources),
181 	.dev		= {
182 		.platform_data	= &scif2_platform_data,
183 	},
184 };
185 #endif
186 
187 static struct sh_timer_config tmu0_platform_data = {
188 	.channels_mask = 7,
189 };
190 
191 static struct resource tmu0_resources[] = {
192 	DEFINE_RES_MEM(0xfffffe90, 0x2c),
193 	DEFINE_RES_IRQ(evt2irq(0x400)),
194 	DEFINE_RES_IRQ(evt2irq(0x420)),
195 	DEFINE_RES_IRQ(evt2irq(0x440)),
196 };
197 
198 static struct platform_device tmu0_device = {
199 	.name		= "sh-tmu-sh3",
200 	.id		= 0,
201 	.dev = {
202 		.platform_data	= &tmu0_platform_data,
203 	},
204 	.resource	= tmu0_resources,
205 	.num_resources	= ARRAY_SIZE(tmu0_resources),
206 };
207 
208 static struct platform_device *sh770x_devices[] __initdata = {
209 	&scif0_device,
210 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
211     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
212     defined(CONFIG_CPU_SUBTYPE_SH7709)
213 	&scif1_device,
214 #endif
215 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
216     defined(CONFIG_CPU_SUBTYPE_SH7709)
217 	&scif2_device,
218 #endif
219 	&tmu0_device,
220 	&rtc_device,
221 };
222 
223 static int __init sh770x_devices_setup(void)
224 {
225 	return platform_add_devices(sh770x_devices,
226 		ARRAY_SIZE(sh770x_devices));
227 }
228 arch_initcall(sh770x_devices_setup);
229 
230 static struct platform_device *sh770x_early_devices[] __initdata = {
231 	&scif0_device,
232 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
233     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
234     defined(CONFIG_CPU_SUBTYPE_SH7709)
235 	&scif1_device,
236 #endif
237 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
238     defined(CONFIG_CPU_SUBTYPE_SH7709)
239 	&scif2_device,
240 #endif
241 	&tmu0_device,
242 };
243 
244 void __init plat_early_device_setup(void)
245 {
246 	early_platform_add_devices(sh770x_early_devices,
247 				   ARRAY_SIZE(sh770x_early_devices));
248 }
249 
250 void __init plat_irq_setup(void)
251 {
252 	register_intc_controller(&intc_desc);
253 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
254     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
255     defined(CONFIG_CPU_SUBTYPE_SH7709)
256 	plat_irq_setup_sh3();
257 #endif
258 }
259