xref: /openbmc/linux/arch/sh/kernel/cpu/sh3/setup-sh7705.c (revision 23c2b932)
1 /*
2  * SH7705 Setup
3  *
4  *  Copyright (C) 2006 - 2009  Paul Mundt
5  *  Copyright (C) 2007  Nobuhiro Iwamatsu
6  *
7  * This file is subject to the terms and conditions of the GNU General Public
8  * License.  See the file "COPYING" in the main directory of this archive
9  * for more details.
10  */
11 #include <linux/platform_device.h>
12 #include <linux/init.h>
13 #include <linux/irq.h>
14 #include <linux/serial.h>
15 #include <linux/serial_sci.h>
16 #include <linux/sh_timer.h>
17 #include <linux/sh_intc.h>
18 #include <asm/rtc.h>
19 #include <cpu/serial.h>
20 
21 enum {
22 	UNUSED = 0,
23 
24 	/* interrupt sources */
25 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
26 	PINT07, PINT815,
27 
28 	DMAC, SCIF0, SCIF2, ADC_ADI, USB,
29 
30 	TPU0, TPU1, TPU2, TPU3,
31 	TMU0, TMU1, TMU2,
32 
33 	RTC, WDT, REF_RCMI,
34 };
35 
36 static struct intc_vect vectors[] __initdata = {
37 	/* IRQ0->5 are handled in setup-sh3.c */
38 	INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
39 	INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
40 	INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
41 	INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
42 	INTC_VECT(SCIF0, 0x8e0),
43 	INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
44 	INTC_VECT(SCIF2, 0x960),
45 	INTC_VECT(ADC_ADI, 0x980),
46 	INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
47 	INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
48 	INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
49 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
50 	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
51 	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
52 	INTC_VECT(RTC, 0x4c0),
53 	INTC_VECT(WDT, 0x560),
54 	INTC_VECT(REF_RCMI, 0x580),
55 };
56 
57 static struct intc_prio_reg prio_registers[] __initdata = {
58 	{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
59 	{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
60 	{ 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
61 	{ 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
62 	{ 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
63 	{ 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
64 	{ 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
65 	{ 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
66 
67 };
68 
69 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
70 			 NULL, prio_registers, NULL);
71 
72 static struct plat_sci_port scif0_platform_data = {
73 	.flags		= UPF_BOOT_AUTOCONF,
74 	.scscr		= SCSCR_TIE | SCSCR_RIE  | SCSCR_TE |
75 			  SCSCR_RE  | SCSCR_CKE1 | SCSCR_CKE0,
76 	.type		= PORT_SCIF,
77 	.ops		= &sh770x_sci_port_ops,
78 	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
79 };
80 
81 static struct resource scif0_resources[] = {
82 	DEFINE_RES_MEM(0xa4410000, 0x100),
83 	DEFINE_RES_IRQ(evt2irq(0x900)),
84 };
85 
86 static struct platform_device scif0_device = {
87 	.name		= "sh-sci",
88 	.id		= 0,
89 	.resource	= scif0_resources,
90 	.num_resources	= ARRAY_SIZE(scif0_resources),
91 	.dev		= {
92 		.platform_data	= &scif0_platform_data,
93 	},
94 };
95 
96 static struct plat_sci_port scif1_platform_data = {
97 	.flags		= UPF_BOOT_AUTOCONF,
98 	.scscr		= SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE,
99 	.type		= PORT_SCIF,
100 	.ops		= &sh770x_sci_port_ops,
101 	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
102 };
103 
104 static struct resource scif1_resources[] = {
105 	DEFINE_RES_MEM(0xa4400000, 0x100),
106 	DEFINE_RES_IRQ(evt2irq(0x880)),
107 };
108 
109 static struct platform_device scif1_device = {
110 	.name		= "sh-sci",
111 	.id		= 1,
112 	.resource	= scif1_resources,
113 	.num_resources	= ARRAY_SIZE(scif1_resources),
114 	.dev		= {
115 		.platform_data	= &scif1_platform_data,
116 	},
117 };
118 
119 static struct resource rtc_resources[] = {
120 	[0] =	{
121 		.start	= 0xfffffec0,
122 		.end	= 0xfffffec0 + 0x1e,
123 		.flags  = IORESOURCE_IO,
124 	},
125 	[1] =	{
126 		.start  = evt2irq(0x480),
127 		.flags	= IORESOURCE_IRQ,
128 	},
129 };
130 
131 static struct sh_rtc_platform_info rtc_info = {
132 	.capabilities	= RTC_CAP_4_DIGIT_YEAR,
133 };
134 
135 static struct platform_device rtc_device = {
136 	.name		= "sh-rtc",
137 	.id		= -1,
138 	.num_resources	= ARRAY_SIZE(rtc_resources),
139 	.resource	= rtc_resources,
140 	.dev		= {
141 		.platform_data = &rtc_info,
142 	},
143 };
144 
145 static struct sh_timer_config tmu0_platform_data = {
146 	.channels_mask = 7,
147 };
148 
149 static struct resource tmu0_resources[] = {
150 	DEFINE_RES_MEM(0xfffffe90, 0x2c),
151 	DEFINE_RES_IRQ(evt2irq(0x400)),
152 	DEFINE_RES_IRQ(evt2irq(0x420)),
153 	DEFINE_RES_IRQ(evt2irq(0x440)),
154 };
155 
156 static struct platform_device tmu0_device = {
157 	.name		= "sh-tmu-sh3",
158 	.id		= 0,
159 	.dev = {
160 		.platform_data	= &tmu0_platform_data,
161 	},
162 	.resource	= tmu0_resources,
163 	.num_resources	= ARRAY_SIZE(tmu0_resources),
164 };
165 
166 static struct platform_device *sh7705_devices[] __initdata = {
167 	&scif0_device,
168 	&scif1_device,
169 	&tmu0_device,
170 	&rtc_device,
171 };
172 
173 static int __init sh7705_devices_setup(void)
174 {
175 	return platform_add_devices(sh7705_devices,
176 				    ARRAY_SIZE(sh7705_devices));
177 }
178 arch_initcall(sh7705_devices_setup);
179 
180 static struct platform_device *sh7705_early_devices[] __initdata = {
181 	&scif0_device,
182 	&scif1_device,
183 	&tmu0_device,
184 };
185 
186 void __init plat_early_device_setup(void)
187 {
188 	early_platform_add_devices(sh7705_early_devices,
189 				   ARRAY_SIZE(sh7705_early_devices));
190 }
191 
192 void __init plat_irq_setup(void)
193 {
194 	register_intc_controller(&intc_desc);
195 	plat_irq_setup_sh3();
196 }
197