xref: /openbmc/linux/arch/sh/kernel/cpu/sh3/setup-sh7720.c (revision 5d0e4d78)
1 /*
2  * Setup code for SH7720, SH7721.
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 <linux/sh_timer.h>
22 #include <linux/sh_intc.h>
23 #include <linux/usb/ohci_pdriver.h>
24 #include <asm/rtc.h>
25 #include <cpu/serial.h>
26 
27 static struct resource rtc_resources[] = {
28 	[0] = {
29 		.start	= 0xa413fec0,
30 		.end	= 0xa413fec0 + 0x28 - 1,
31 		.flags	= IORESOURCE_IO,
32 	},
33 	[1] = {
34 		/* Shared Period/Carry/Alarm IRQ */
35 		.start	= evt2irq(0x480),
36 		.flags	= IORESOURCE_IRQ,
37 	},
38 };
39 
40 static struct sh_rtc_platform_info rtc_info = {
41 	.capabilities	= RTC_CAP_4_DIGIT_YEAR,
42 };
43 
44 static struct platform_device rtc_device = {
45 	.name		= "sh-rtc",
46 	.id		= -1,
47 	.num_resources	= ARRAY_SIZE(rtc_resources),
48 	.resource	= rtc_resources,
49 	.dev		= {
50 		.platform_data = &rtc_info,
51 	},
52 };
53 
54 static struct plat_sci_port scif0_platform_data = {
55 	.type		= PORT_SCIF,
56 	.ops		= &sh7720_sci_port_ops,
57 	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
58 };
59 
60 static struct resource scif0_resources[] = {
61 	DEFINE_RES_MEM(0xa4430000, 0x100),
62 	DEFINE_RES_IRQ(evt2irq(0xc00)),
63 };
64 
65 static struct platform_device scif0_device = {
66 	.name		= "sh-sci",
67 	.id		= 0,
68 	.resource	= scif0_resources,
69 	.num_resources	= ARRAY_SIZE(scif0_resources),
70 	.dev		= {
71 		.platform_data	= &scif0_platform_data,
72 	},
73 };
74 
75 static struct plat_sci_port scif1_platform_data = {
76 	.type		= PORT_SCIF,
77 	.ops		= &sh7720_sci_port_ops,
78 	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
79 };
80 
81 static struct resource scif1_resources[] = {
82 	DEFINE_RES_MEM(0xa4438000, 0x100),
83 	DEFINE_RES_IRQ(evt2irq(0xc20)),
84 };
85 
86 static struct platform_device scif1_device = {
87 	.name		= "sh-sci",
88 	.id		= 1,
89 	.resource	= scif1_resources,
90 	.num_resources	= ARRAY_SIZE(scif1_resources),
91 	.dev		= {
92 		.platform_data	= &scif1_platform_data,
93 	},
94 };
95 
96 static struct resource usb_ohci_resources[] = {
97 	[0] = {
98 		.start	= 0xA4428000,
99 		.end	= 0xA44280FF,
100 		.flags	= IORESOURCE_MEM,
101 	},
102 	[1] = {
103 		.start	= evt2irq(0xa60),
104 		.end	= evt2irq(0xa60),
105 		.flags	= IORESOURCE_IRQ,
106 	},
107 };
108 
109 static u64 usb_ohci_dma_mask = 0xffffffffUL;
110 
111 static struct usb_ohci_pdata usb_ohci_pdata;
112 
113 static struct platform_device usb_ohci_device = {
114 	.name		= "ohci-platform",
115 	.id		= -1,
116 	.dev = {
117 		.dma_mask		= &usb_ohci_dma_mask,
118 		.coherent_dma_mask	= 0xffffffff,
119 		.platform_data		= &usb_ohci_pdata,
120 	},
121 	.num_resources	= ARRAY_SIZE(usb_ohci_resources),
122 	.resource	= usb_ohci_resources,
123 };
124 
125 static struct resource usbf_resources[] = {
126 	[0] = {
127 		.name	= "sh_udc",
128 		.start	= 0xA4420000,
129 		.end	= 0xA44200FF,
130 		.flags	= IORESOURCE_MEM,
131 	},
132 	[1] = {
133 		.name	= "sh_udc",
134 		.start	= evt2irq(0xa20),
135 		.end	= evt2irq(0xa20),
136 		.flags	= IORESOURCE_IRQ,
137 	},
138 };
139 
140 static struct platform_device usbf_device = {
141 	.name		= "sh_udc",
142 	.id		= -1,
143 	.dev = {
144 		.dma_mask		= NULL,
145 		.coherent_dma_mask	= 0xffffffff,
146 	},
147 	.num_resources	= ARRAY_SIZE(usbf_resources),
148 	.resource	= usbf_resources,
149 };
150 
151 static struct sh_timer_config cmt_platform_data = {
152 	.channels_mask = 0x1f,
153 };
154 
155 static struct resource cmt_resources[] = {
156 	DEFINE_RES_MEM(0x044a0000, 0x60),
157 	DEFINE_RES_IRQ(evt2irq(0xf00)),
158 };
159 
160 static struct platform_device cmt_device = {
161 	.name		= "sh-cmt-32",
162 	.id		= 0,
163 	.dev = {
164 		.platform_data	= &cmt_platform_data,
165 	},
166 	.resource	= cmt_resources,
167 	.num_resources	= ARRAY_SIZE(cmt_resources),
168 };
169 
170 static struct sh_timer_config tmu0_platform_data = {
171 	.channels_mask = 7,
172 };
173 
174 static struct resource tmu0_resources[] = {
175 	DEFINE_RES_MEM(0xa412fe90, 0x28),
176 	DEFINE_RES_IRQ(evt2irq(0x400)),
177 	DEFINE_RES_IRQ(evt2irq(0x420)),
178 	DEFINE_RES_IRQ(evt2irq(0x440)),
179 };
180 
181 static struct platform_device tmu0_device = {
182 	.name		= "sh-tmu-sh3",
183 	.id		= 0,
184 	.dev = {
185 		.platform_data	= &tmu0_platform_data,
186 	},
187 	.resource	= tmu0_resources,
188 	.num_resources	= ARRAY_SIZE(tmu0_resources),
189 };
190 
191 static struct platform_device *sh7720_devices[] __initdata = {
192 	&scif0_device,
193 	&scif1_device,
194 	&cmt_device,
195 	&tmu0_device,
196 	&rtc_device,
197 	&usb_ohci_device,
198 	&usbf_device,
199 };
200 
201 static int __init sh7720_devices_setup(void)
202 {
203 	return platform_add_devices(sh7720_devices,
204 				    ARRAY_SIZE(sh7720_devices));
205 }
206 arch_initcall(sh7720_devices_setup);
207 
208 static struct platform_device *sh7720_early_devices[] __initdata = {
209 	&scif0_device,
210 	&scif1_device,
211 	&cmt_device,
212 	&tmu0_device,
213 };
214 
215 void __init plat_early_device_setup(void)
216 {
217 	early_platform_add_devices(sh7720_early_devices,
218 				   ARRAY_SIZE(sh7720_early_devices));
219 }
220 
221 enum {
222 	UNUSED = 0,
223 
224 	/* interrupt sources */
225 	TMU0, TMU1, TMU2, RTC,
226 	WDT, REF_RCMI, SIM,
227 	IRQ0, IRQ1, IRQ2, IRQ3,
228 	USBF_SPD, TMU_SUNI, IRQ5, IRQ4,
229 	DMAC1, LCDC, SSL,
230 	ADC, DMAC2, USBFI, CMT,
231 	SCIF0, SCIF1,
232 	PINT07, PINT815, TPU, IIC,
233 	SIOF0, SIOF1, MMC, PCC,
234 	USBHI, AFEIF,
235 	H_UDI,
236 };
237 
238 static struct intc_vect vectors[] __initdata = {
239 	/* IRQ0->5 are handled in setup-sh3.c */
240 	INTC_VECT(TMU0, 0x400),       INTC_VECT(TMU1, 0x420),
241 	INTC_VECT(TMU2, 0x440),       INTC_VECT(RTC, 0x480),
242 	INTC_VECT(RTC, 0x4a0),	      INTC_VECT(RTC, 0x4c0),
243 	INTC_VECT(SIM, 0x4e0),	      INTC_VECT(SIM, 0x500),
244 	INTC_VECT(SIM, 0x520),	      INTC_VECT(SIM, 0x540),
245 	INTC_VECT(WDT, 0x560),        INTC_VECT(REF_RCMI, 0x580),
246 	/* H_UDI cannot be masked */  INTC_VECT(TMU_SUNI, 0x6c0),
247 	INTC_VECT(USBF_SPD, 0x6e0),   INTC_VECT(DMAC1, 0x800),
248 	INTC_VECT(DMAC1, 0x820),      INTC_VECT(DMAC1, 0x840),
249 	INTC_VECT(DMAC1, 0x860),      INTC_VECT(LCDC, 0x900),
250 #if defined(CONFIG_CPU_SUBTYPE_SH7720)
251 	INTC_VECT(SSL, 0x980),
252 #endif
253 	INTC_VECT(USBFI, 0xa20),      INTC_VECT(USBFI, 0xa40),
254 	INTC_VECT(USBHI, 0xa60),
255 	INTC_VECT(DMAC2, 0xb80),      INTC_VECT(DMAC2, 0xba0),
256 	INTC_VECT(ADC, 0xbe0),        INTC_VECT(SCIF0, 0xc00),
257 	INTC_VECT(SCIF1, 0xc20),      INTC_VECT(PINT07, 0xc80),
258 	INTC_VECT(PINT815, 0xca0),    INTC_VECT(SIOF0, 0xd00),
259 	INTC_VECT(SIOF1, 0xd20),      INTC_VECT(TPU, 0xd80),
260 	INTC_VECT(TPU, 0xda0),        INTC_VECT(TPU, 0xdc0),
261 	INTC_VECT(TPU, 0xde0),        INTC_VECT(IIC, 0xe00),
262 	INTC_VECT(MMC, 0xe80),        INTC_VECT(MMC, 0xea0),
263 	INTC_VECT(MMC, 0xec0),        INTC_VECT(MMC, 0xee0),
264 	INTC_VECT(CMT, 0xf00),        INTC_VECT(PCC, 0xf60),
265 	INTC_VECT(AFEIF, 0xfe0),
266 };
267 
268 static struct intc_prio_reg prio_registers[] __initdata = {
269 	{ 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
270 	{ 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } },
271 	{ 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
272 	{ 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } },
273 	{ 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
274 	{ 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } },
275 	{ 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } },
276 	{ 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } },
277 	{ 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } },
278 	{ 0xA4080008UL, 0, 16, 4, /* IPRJ */ { 0, USBHI, 0, AFEIF } },
279 };
280 
281 static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, NULL,
282 		NULL, prio_registers, NULL);
283 
284 void __init plat_irq_setup(void)
285 {
286 	register_intc_controller(&intc_desc);
287 	plat_irq_setup_sh3();
288 }
289