xref: /openbmc/linux/arch/sh/kernel/cpu/sh3/setup-sh7720.c (revision b627b4ed)
1 /*
2  * SH7720 Setup
3  *
4  *  Copyright (C) 2007  Markus Brunner, Mark Jonas
5  *  Copyright (C) 2009  Paul Mundt
6  *
7  *  Based on arch/sh/kernel/cpu/sh4/setup-sh7750.c:
8  *
9  *  Copyright (C) 2006  Paul Mundt
10  *  Copyright (C) 2006  Jamie Lenehan
11  *
12  * This file is subject to the terms and conditions of the GNU General Public
13  * License.  See the file "COPYING" in the main directory of this archive
14  * for more details.
15  */
16 #include <linux/platform_device.h>
17 #include <linux/init.h>
18 #include <linux/serial.h>
19 #include <linux/io.h>
20 #include <linux/serial_sci.h>
21 #include <asm/rtc.h>
22 
23 static struct resource rtc_resources[] = {
24 	[0] = {
25 		.start	= 0xa413fec0,
26 		.end	= 0xa413fec0 + 0x28 - 1,
27 		.flags	= IORESOURCE_IO,
28 	},
29 	[1] = {
30 		/* Shared Period/Carry/Alarm IRQ */
31 		.start	= 20,
32 		.flags	= IORESOURCE_IRQ,
33 	},
34 };
35 
36 static struct sh_rtc_platform_info rtc_info = {
37 	.capabilities	= RTC_CAP_4_DIGIT_YEAR,
38 };
39 
40 static struct platform_device rtc_device = {
41 	.name		= "sh-rtc",
42 	.id		= -1,
43 	.num_resources	= ARRAY_SIZE(rtc_resources),
44 	.resource	= rtc_resources,
45 	.dev		= {
46 		.platform_data = &rtc_info,
47 	},
48 };
49 
50 static struct plat_sci_port sci_platform_data[] = {
51 	{
52 		.mapbase	= 0xa4430000,
53 		.flags		= UPF_BOOT_AUTOCONF,
54 		.type		= PORT_SCIF,
55 		.irqs		= { 80, 80, 80, 80 },
56 	}, {
57 		.mapbase	= 0xa4438000,
58 		.flags		= UPF_BOOT_AUTOCONF,
59 		.type		= PORT_SCIF,
60 		.irqs           = { 81, 81, 81, 81 },
61 	}, {
62 
63 		.flags = 0,
64 	}
65 };
66 
67 static struct platform_device sci_device = {
68 	.name		= "sh-sci",
69 	.id		= -1,
70 	.dev		= {
71 		.platform_data	= sci_platform_data,
72 	},
73 };
74 
75 static struct resource usb_ohci_resources[] = {
76 	[0] = {
77 		.start	= 0xA4428000,
78 		.end	= 0xA44280FF,
79 		.flags	= IORESOURCE_MEM,
80 	},
81 	[1] = {
82 		.start	= 67,
83 		.end	= 67,
84 		.flags	= IORESOURCE_IRQ,
85 	},
86 };
87 
88 static u64 usb_ohci_dma_mask = 0xffffffffUL;
89 static struct platform_device usb_ohci_device = {
90 	.name		= "sh_ohci",
91 	.id		= -1,
92 	.dev = {
93 		.dma_mask		= &usb_ohci_dma_mask,
94 		.coherent_dma_mask	= 0xffffffff,
95 	},
96 	.num_resources	= ARRAY_SIZE(usb_ohci_resources),
97 	.resource	= usb_ohci_resources,
98 };
99 
100 static struct resource usbf_resources[] = {
101 	[0] = {
102 		.name	= "sh_udc",
103 		.start	= 0xA4420000,
104 		.end	= 0xA44200FF,
105 		.flags	= IORESOURCE_MEM,
106 	},
107 	[1] = {
108 		.name	= "sh_udc",
109 		.start	= 65,
110 		.end	= 65,
111 		.flags	= IORESOURCE_IRQ,
112 	},
113 };
114 
115 static struct platform_device usbf_device = {
116 	.name		= "sh_udc",
117 	.id		= -1,
118 	.dev = {
119 		.dma_mask		= NULL,
120 		.coherent_dma_mask	= 0xffffffff,
121 	},
122 	.num_resources	= ARRAY_SIZE(usbf_resources),
123 	.resource	= usbf_resources,
124 };
125 
126 static struct platform_device *sh7720_devices[] __initdata = {
127 	&rtc_device,
128 	&sci_device,
129 	&usb_ohci_device,
130 	&usbf_device,
131 };
132 
133 static int __init sh7720_devices_setup(void)
134 {
135 	return platform_add_devices(sh7720_devices,
136 				    ARRAY_SIZE(sh7720_devices));
137 }
138 __initcall(sh7720_devices_setup);
139 
140 enum {
141 	UNUSED = 0,
142 
143 	/* interrupt sources */
144 	TMU0, TMU1, TMU2, RTC,
145 	WDT, REF_RCMI, SIM,
146 	IRQ0, IRQ1, IRQ2, IRQ3,
147 	USBF_SPD, TMU_SUNI, IRQ5, IRQ4,
148 	DMAC1, LCDC, SSL,
149 	ADC, DMAC2, USBFI, CMT,
150 	SCIF0, SCIF1,
151 	PINT07, PINT815, TPU, IIC,
152 	SIOF0, SIOF1, MMC, PCC,
153 	USBHI, AFEIF,
154 	H_UDI,
155 };
156 
157 static struct intc_vect vectors[] __initdata = {
158 	/* IRQ0->5 are handled in setup-sh3.c */
159 	INTC_VECT(TMU0, 0x400),       INTC_VECT(TMU1, 0x420),
160 	INTC_VECT(TMU2, 0x440),       INTC_VECT(RTC, 0x480),
161 	INTC_VECT(RTC, 0x4a0),	      INTC_VECT(RTC, 0x4c0),
162 	INTC_VECT(SIM, 0x4e0),	      INTC_VECT(SIM, 0x500),
163 	INTC_VECT(SIM, 0x520),	      INTC_VECT(SIM, 0x540),
164 	INTC_VECT(WDT, 0x560),        INTC_VECT(REF_RCMI, 0x580),
165 	/* H_UDI cannot be masked */  INTC_VECT(TMU_SUNI, 0x6c0),
166 	INTC_VECT(USBF_SPD, 0x6e0),   INTC_VECT(DMAC1, 0x800),
167 	INTC_VECT(DMAC1, 0x820),      INTC_VECT(DMAC1, 0x840),
168 	INTC_VECT(DMAC1, 0x860),      INTC_VECT(LCDC, 0x900),
169 #if defined(CONFIG_CPU_SUBTYPE_SH7720)
170 	INTC_VECT(SSL, 0x980),
171 #endif
172 	INTC_VECT(USBFI, 0xa20),      INTC_VECT(USBFI, 0xa40),
173 	INTC_VECT(USBHI, 0xa60),
174 	INTC_VECT(DMAC2, 0xb80),      INTC_VECT(DMAC2, 0xba0),
175 	INTC_VECT(ADC, 0xbe0),        INTC_VECT(SCIF0, 0xc00),
176 	INTC_VECT(SCIF1, 0xc20),      INTC_VECT(PINT07, 0xc80),
177 	INTC_VECT(PINT815, 0xca0),    INTC_VECT(SIOF0, 0xd00),
178 	INTC_VECT(SIOF1, 0xd20),      INTC_VECT(TPU, 0xd80),
179 	INTC_VECT(TPU, 0xda0),        INTC_VECT(TPU, 0xdc0),
180 	INTC_VECT(TPU, 0xde0),        INTC_VECT(IIC, 0xe00),
181 	INTC_VECT(MMC, 0xe80),        INTC_VECT(MMC, 0xea0),
182 	INTC_VECT(MMC, 0xec0),        INTC_VECT(MMC, 0xee0),
183 	INTC_VECT(CMT, 0xf00),        INTC_VECT(PCC, 0xf60),
184 	INTC_VECT(AFEIF, 0xfe0),
185 };
186 
187 static struct intc_prio_reg prio_registers[] __initdata = {
188 	{ 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
189 	{ 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } },
190 	{ 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
191 	{ 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } },
192 	{ 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
193 	{ 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } },
194 	{ 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } },
195 	{ 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } },
196 	{ 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } },
197 	{ 0xA4080008UL, 0, 16, 4, /* IPRJ */ { 0, USBHI, 0, AFEIF } },
198 };
199 
200 static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, NULL,
201 		NULL, prio_registers, NULL);
202 
203 void __init plat_irq_setup(void)
204 {
205 	register_intc_controller(&intc_desc);
206 	plat_irq_setup_sh3();
207 }
208