xref: /openbmc/linux/arch/sh/kernel/cpu/sh3/setup-sh7720.c (revision 176f011b)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Setup code for SH7720, SH7721.
4  *
5  *  Copyright (C) 2007  Markus Brunner, Mark Jonas
6  *  Copyright (C) 2009  Paul Mundt
7  *
8  *  Based on arch/sh/kernel/cpu/sh4/setup-sh7750.c:
9  *
10  *  Copyright (C) 2006  Paul Mundt
11  *  Copyright (C) 2006  Jamie Lenehan
12  */
13 #include <linux/platform_device.h>
14 #include <linux/init.h>
15 #include <linux/serial.h>
16 #include <linux/io.h>
17 #include <linux/serial_sci.h>
18 #include <linux/sh_timer.h>
19 #include <linux/sh_intc.h>
20 #include <linux/usb/ohci_pdriver.h>
21 #include <asm/rtc.h>
22 #include <cpu/serial.h>
23 
24 static struct resource rtc_resources[] = {
25 	[0] = {
26 		.start	= 0xa413fec0,
27 		.end	= 0xa413fec0 + 0x28 - 1,
28 		.flags	= IORESOURCE_IO,
29 	},
30 	[1] = {
31 		/* Shared Period/Carry/Alarm IRQ */
32 		.start	= evt2irq(0x480),
33 		.flags	= IORESOURCE_IRQ,
34 	},
35 };
36 
37 static struct sh_rtc_platform_info rtc_info = {
38 	.capabilities	= RTC_CAP_4_DIGIT_YEAR,
39 };
40 
41 static struct platform_device rtc_device = {
42 	.name		= "sh-rtc",
43 	.id		= -1,
44 	.num_resources	= ARRAY_SIZE(rtc_resources),
45 	.resource	= rtc_resources,
46 	.dev		= {
47 		.platform_data = &rtc_info,
48 	},
49 };
50 
51 static struct plat_sci_port scif0_platform_data = {
52 	.type		= PORT_SCIF,
53 	.ops		= &sh7720_sci_port_ops,
54 	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
55 };
56 
57 static struct resource scif0_resources[] = {
58 	DEFINE_RES_MEM(0xa4430000, 0x100),
59 	DEFINE_RES_IRQ(evt2irq(0xc00)),
60 };
61 
62 static struct platform_device scif0_device = {
63 	.name		= "sh-sci",
64 	.id		= 0,
65 	.resource	= scif0_resources,
66 	.num_resources	= ARRAY_SIZE(scif0_resources),
67 	.dev		= {
68 		.platform_data	= &scif0_platform_data,
69 	},
70 };
71 
72 static struct plat_sci_port scif1_platform_data = {
73 	.type		= PORT_SCIF,
74 	.ops		= &sh7720_sci_port_ops,
75 	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
76 };
77 
78 static struct resource scif1_resources[] = {
79 	DEFINE_RES_MEM(0xa4438000, 0x100),
80 	DEFINE_RES_IRQ(evt2irq(0xc20)),
81 };
82 
83 static struct platform_device scif1_device = {
84 	.name		= "sh-sci",
85 	.id		= 1,
86 	.resource	= scif1_resources,
87 	.num_resources	= ARRAY_SIZE(scif1_resources),
88 	.dev		= {
89 		.platform_data	= &scif1_platform_data,
90 	},
91 };
92 
93 static struct resource usb_ohci_resources[] = {
94 	[0] = {
95 		.start	= 0xA4428000,
96 		.end	= 0xA44280FF,
97 		.flags	= IORESOURCE_MEM,
98 	},
99 	[1] = {
100 		.start	= evt2irq(0xa60),
101 		.end	= evt2irq(0xa60),
102 		.flags	= IORESOURCE_IRQ,
103 	},
104 };
105 
106 static u64 usb_ohci_dma_mask = 0xffffffffUL;
107 
108 static struct usb_ohci_pdata usb_ohci_pdata;
109 
110 static struct platform_device usb_ohci_device = {
111 	.name		= "ohci-platform",
112 	.id		= -1,
113 	.dev = {
114 		.dma_mask		= &usb_ohci_dma_mask,
115 		.coherent_dma_mask	= 0xffffffff,
116 		.platform_data		= &usb_ohci_pdata,
117 	},
118 	.num_resources	= ARRAY_SIZE(usb_ohci_resources),
119 	.resource	= usb_ohci_resources,
120 };
121 
122 static struct resource usbf_resources[] = {
123 	[0] = {
124 		.name	= "sh_udc",
125 		.start	= 0xA4420000,
126 		.end	= 0xA44200FF,
127 		.flags	= IORESOURCE_MEM,
128 	},
129 	[1] = {
130 		.name	= "sh_udc",
131 		.start	= evt2irq(0xa20),
132 		.end	= evt2irq(0xa20),
133 		.flags	= IORESOURCE_IRQ,
134 	},
135 };
136 
137 static struct platform_device usbf_device = {
138 	.name		= "sh_udc",
139 	.id		= -1,
140 	.dev = {
141 		.dma_mask		= NULL,
142 		.coherent_dma_mask	= 0xffffffff,
143 	},
144 	.num_resources	= ARRAY_SIZE(usbf_resources),
145 	.resource	= usbf_resources,
146 };
147 
148 static struct sh_timer_config cmt_platform_data = {
149 	.channels_mask = 0x1f,
150 };
151 
152 static struct resource cmt_resources[] = {
153 	DEFINE_RES_MEM(0x044a0000, 0x60),
154 	DEFINE_RES_IRQ(evt2irq(0xf00)),
155 };
156 
157 static struct platform_device cmt_device = {
158 	.name		= "sh-cmt-32",
159 	.id		= 0,
160 	.dev = {
161 		.platform_data	= &cmt_platform_data,
162 	},
163 	.resource	= cmt_resources,
164 	.num_resources	= ARRAY_SIZE(cmt_resources),
165 };
166 
167 static struct sh_timer_config tmu0_platform_data = {
168 	.channels_mask = 7,
169 };
170 
171 static struct resource tmu0_resources[] = {
172 	DEFINE_RES_MEM(0xa412fe90, 0x28),
173 	DEFINE_RES_IRQ(evt2irq(0x400)),
174 	DEFINE_RES_IRQ(evt2irq(0x420)),
175 	DEFINE_RES_IRQ(evt2irq(0x440)),
176 };
177 
178 static struct platform_device tmu0_device = {
179 	.name		= "sh-tmu-sh3",
180 	.id		= 0,
181 	.dev = {
182 		.platform_data	= &tmu0_platform_data,
183 	},
184 	.resource	= tmu0_resources,
185 	.num_resources	= ARRAY_SIZE(tmu0_resources),
186 };
187 
188 static struct platform_device *sh7720_devices[] __initdata = {
189 	&scif0_device,
190 	&scif1_device,
191 	&cmt_device,
192 	&tmu0_device,
193 	&rtc_device,
194 	&usb_ohci_device,
195 	&usbf_device,
196 };
197 
198 static int __init sh7720_devices_setup(void)
199 {
200 	return platform_add_devices(sh7720_devices,
201 				    ARRAY_SIZE(sh7720_devices));
202 }
203 arch_initcall(sh7720_devices_setup);
204 
205 static struct platform_device *sh7720_early_devices[] __initdata = {
206 	&scif0_device,
207 	&scif1_device,
208 	&cmt_device,
209 	&tmu0_device,
210 };
211 
212 void __init plat_early_device_setup(void)
213 {
214 	early_platform_add_devices(sh7720_early_devices,
215 				   ARRAY_SIZE(sh7720_early_devices));
216 }
217 
218 enum {
219 	UNUSED = 0,
220 
221 	/* interrupt sources */
222 	TMU0, TMU1, TMU2, RTC,
223 	WDT, REF_RCMI, SIM,
224 	IRQ0, IRQ1, IRQ2, IRQ3,
225 	USBF_SPD, TMU_SUNI, IRQ5, IRQ4,
226 	DMAC1, LCDC, SSL,
227 	ADC, DMAC2, USBFI, CMT,
228 	SCIF0, SCIF1,
229 	PINT07, PINT815, TPU, IIC,
230 	SIOF0, SIOF1, MMC, PCC,
231 	USBHI, AFEIF,
232 	H_UDI,
233 };
234 
235 static struct intc_vect vectors[] __initdata = {
236 	/* IRQ0->5 are handled in setup-sh3.c */
237 	INTC_VECT(TMU0, 0x400),       INTC_VECT(TMU1, 0x420),
238 	INTC_VECT(TMU2, 0x440),       INTC_VECT(RTC, 0x480),
239 	INTC_VECT(RTC, 0x4a0),	      INTC_VECT(RTC, 0x4c0),
240 	INTC_VECT(SIM, 0x4e0),	      INTC_VECT(SIM, 0x500),
241 	INTC_VECT(SIM, 0x520),	      INTC_VECT(SIM, 0x540),
242 	INTC_VECT(WDT, 0x560),        INTC_VECT(REF_RCMI, 0x580),
243 	/* H_UDI cannot be masked */  INTC_VECT(TMU_SUNI, 0x6c0),
244 	INTC_VECT(USBF_SPD, 0x6e0),   INTC_VECT(DMAC1, 0x800),
245 	INTC_VECT(DMAC1, 0x820),      INTC_VECT(DMAC1, 0x840),
246 	INTC_VECT(DMAC1, 0x860),      INTC_VECT(LCDC, 0x900),
247 #if defined(CONFIG_CPU_SUBTYPE_SH7720)
248 	INTC_VECT(SSL, 0x980),
249 #endif
250 	INTC_VECT(USBFI, 0xa20),      INTC_VECT(USBFI, 0xa40),
251 	INTC_VECT(USBHI, 0xa60),
252 	INTC_VECT(DMAC2, 0xb80),      INTC_VECT(DMAC2, 0xba0),
253 	INTC_VECT(ADC, 0xbe0),        INTC_VECT(SCIF0, 0xc00),
254 	INTC_VECT(SCIF1, 0xc20),      INTC_VECT(PINT07, 0xc80),
255 	INTC_VECT(PINT815, 0xca0),    INTC_VECT(SIOF0, 0xd00),
256 	INTC_VECT(SIOF1, 0xd20),      INTC_VECT(TPU, 0xd80),
257 	INTC_VECT(TPU, 0xda0),        INTC_VECT(TPU, 0xdc0),
258 	INTC_VECT(TPU, 0xde0),        INTC_VECT(IIC, 0xe00),
259 	INTC_VECT(MMC, 0xe80),        INTC_VECT(MMC, 0xea0),
260 	INTC_VECT(MMC, 0xec0),        INTC_VECT(MMC, 0xee0),
261 	INTC_VECT(CMT, 0xf00),        INTC_VECT(PCC, 0xf60),
262 	INTC_VECT(AFEIF, 0xfe0),
263 };
264 
265 static struct intc_prio_reg prio_registers[] __initdata = {
266 	{ 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
267 	{ 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } },
268 	{ 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
269 	{ 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } },
270 	{ 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
271 	{ 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } },
272 	{ 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } },
273 	{ 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } },
274 	{ 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } },
275 	{ 0xA4080008UL, 0, 16, 4, /* IPRJ */ { 0, USBHI, 0, AFEIF } },
276 };
277 
278 static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, NULL,
279 		NULL, prio_registers, NULL);
280 
281 void __init plat_irq_setup(void)
282 {
283 	register_intc_controller(&intc_desc);
284 	plat_irq_setup_sh3();
285 }
286