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