Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / sh / kernel / cpu / sh3 / setup-sh7720.c
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         .flags          = UPF_BOOT_AUTOCONF,
56         .scscr          = SCSCR_RE | SCSCR_TE,
57         .type           = PORT_SCIF,
58         .ops            = &sh7720_sci_port_ops,
59         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
60 };
61
62 static struct resource scif0_resources[] = {
63         DEFINE_RES_MEM(0xa4430000, 0x100),
64         DEFINE_RES_IRQ(evt2irq(0xc00)),
65 };
66
67 static struct platform_device scif0_device = {
68         .name           = "sh-sci",
69         .id             = 0,
70         .resource       = scif0_resources,
71         .num_resources  = ARRAY_SIZE(scif0_resources),
72         .dev            = {
73                 .platform_data  = &scif0_platform_data,
74         },
75 };
76
77 static struct plat_sci_port scif1_platform_data = {
78         .flags          = UPF_BOOT_AUTOCONF,
79         .scscr          = SCSCR_RE | SCSCR_TE,
80         .type           = PORT_SCIF,
81         .ops            = &sh7720_sci_port_ops,
82         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
83 };
84
85 static struct resource scif1_resources[] = {
86         DEFINE_RES_MEM(0xa4438000, 0x100),
87         DEFINE_RES_IRQ(evt2irq(0xc20)),
88 };
89
90 static struct platform_device scif1_device = {
91         .name           = "sh-sci",
92         .id             = 1,
93         .resource       = scif1_resources,
94         .num_resources  = ARRAY_SIZE(scif1_resources),
95         .dev            = {
96                 .platform_data  = &scif1_platform_data,
97         },
98 };
99
100 static struct resource usb_ohci_resources[] = {
101         [0] = {
102                 .start  = 0xA4428000,
103                 .end    = 0xA44280FF,
104                 .flags  = IORESOURCE_MEM,
105         },
106         [1] = {
107                 .start  = evt2irq(0xa60),
108                 .end    = evt2irq(0xa60),
109                 .flags  = IORESOURCE_IRQ,
110         },
111 };
112
113 static u64 usb_ohci_dma_mask = 0xffffffffUL;
114
115 static struct usb_ohci_pdata usb_ohci_pdata;
116
117 static struct platform_device usb_ohci_device = {
118         .name           = "ohci-platform",
119         .id             = -1,
120         .dev = {
121                 .dma_mask               = &usb_ohci_dma_mask,
122                 .coherent_dma_mask      = 0xffffffff,
123                 .platform_data          = &usb_ohci_pdata,
124         },
125         .num_resources  = ARRAY_SIZE(usb_ohci_resources),
126         .resource       = usb_ohci_resources,
127 };
128
129 static struct resource usbf_resources[] = {
130         [0] = {
131                 .name   = "sh_udc",
132                 .start  = 0xA4420000,
133                 .end    = 0xA44200FF,
134                 .flags  = IORESOURCE_MEM,
135         },
136         [1] = {
137                 .name   = "sh_udc",
138                 .start  = evt2irq(0xa20),
139                 .end    = evt2irq(0xa20),
140                 .flags  = IORESOURCE_IRQ,
141         },
142 };
143
144 static struct platform_device usbf_device = {
145         .name           = "sh_udc",
146         .id             = -1,
147         .dev = {
148                 .dma_mask               = NULL,
149                 .coherent_dma_mask      = 0xffffffff,
150         },
151         .num_resources  = ARRAY_SIZE(usbf_resources),
152         .resource       = usbf_resources,
153 };
154
155 static struct sh_timer_config cmt_platform_data = {
156         .channels_mask = 0x1f,
157 };
158
159 static struct resource cmt_resources[] = {
160         DEFINE_RES_MEM(0x044a0000, 0x60),
161         DEFINE_RES_IRQ(evt2irq(0xf00)),
162 };
163
164 static struct platform_device cmt_device = {
165         .name           = "sh-cmt-32",
166         .id             = 0,
167         .dev = {
168                 .platform_data  = &cmt_platform_data,
169         },
170         .resource       = cmt_resources,
171         .num_resources  = ARRAY_SIZE(cmt_resources),
172 };
173
174 static struct sh_timer_config tmu0_platform_data = {
175         .channels_mask = 7,
176 };
177
178 static struct resource tmu0_resources[] = {
179         DEFINE_RES_MEM(0xa412fe90, 0x28),
180         DEFINE_RES_IRQ(evt2irq(0x400)),
181         DEFINE_RES_IRQ(evt2irq(0x420)),
182         DEFINE_RES_IRQ(evt2irq(0x440)),
183 };
184
185 static struct platform_device tmu0_device = {
186         .name           = "sh-tmu-sh3",
187         .id             = 0,
188         .dev = {
189                 .platform_data  = &tmu0_platform_data,
190         },
191         .resource       = tmu0_resources,
192         .num_resources  = ARRAY_SIZE(tmu0_resources),
193 };
194
195 static struct platform_device *sh7720_devices[] __initdata = {
196         &scif0_device,
197         &scif1_device,
198         &cmt_device,
199         &tmu0_device,
200         &rtc_device,
201         &usb_ohci_device,
202         &usbf_device,
203 };
204
205 static int __init sh7720_devices_setup(void)
206 {
207         return platform_add_devices(sh7720_devices,
208                                     ARRAY_SIZE(sh7720_devices));
209 }
210 arch_initcall(sh7720_devices_setup);
211
212 static struct platform_device *sh7720_early_devices[] __initdata = {
213         &scif0_device,
214         &scif1_device,
215         &cmt_device,
216         &tmu0_device,
217 };
218
219 void __init plat_early_device_setup(void)
220 {
221         early_platform_add_devices(sh7720_early_devices,
222                                    ARRAY_SIZE(sh7720_early_devices));
223 }
224
225 enum {
226         UNUSED = 0,
227
228         /* interrupt sources */
229         TMU0, TMU1, TMU2, RTC,
230         WDT, REF_RCMI, SIM,
231         IRQ0, IRQ1, IRQ2, IRQ3,
232         USBF_SPD, TMU_SUNI, IRQ5, IRQ4,
233         DMAC1, LCDC, SSL,
234         ADC, DMAC2, USBFI, CMT,
235         SCIF0, SCIF1,
236         PINT07, PINT815, TPU, IIC,
237         SIOF0, SIOF1, MMC, PCC,
238         USBHI, AFEIF,
239         H_UDI,
240 };
241
242 static struct intc_vect vectors[] __initdata = {
243         /* IRQ0->5 are handled in setup-sh3.c */
244         INTC_VECT(TMU0, 0x400),       INTC_VECT(TMU1, 0x420),
245         INTC_VECT(TMU2, 0x440),       INTC_VECT(RTC, 0x480),
246         INTC_VECT(RTC, 0x4a0),        INTC_VECT(RTC, 0x4c0),
247         INTC_VECT(SIM, 0x4e0),        INTC_VECT(SIM, 0x500),
248         INTC_VECT(SIM, 0x520),        INTC_VECT(SIM, 0x540),
249         INTC_VECT(WDT, 0x560),        INTC_VECT(REF_RCMI, 0x580),
250         /* H_UDI cannot be masked */  INTC_VECT(TMU_SUNI, 0x6c0),
251         INTC_VECT(USBF_SPD, 0x6e0),   INTC_VECT(DMAC1, 0x800),
252         INTC_VECT(DMAC1, 0x820),      INTC_VECT(DMAC1, 0x840),
253         INTC_VECT(DMAC1, 0x860),      INTC_VECT(LCDC, 0x900),
254 #if defined(CONFIG_CPU_SUBTYPE_SH7720)
255         INTC_VECT(SSL, 0x980),
256 #endif
257         INTC_VECT(USBFI, 0xa20),      INTC_VECT(USBFI, 0xa40),
258         INTC_VECT(USBHI, 0xa60),
259         INTC_VECT(DMAC2, 0xb80),      INTC_VECT(DMAC2, 0xba0),
260         INTC_VECT(ADC, 0xbe0),        INTC_VECT(SCIF0, 0xc00),
261         INTC_VECT(SCIF1, 0xc20),      INTC_VECT(PINT07, 0xc80),
262         INTC_VECT(PINT815, 0xca0),    INTC_VECT(SIOF0, 0xd00),
263         INTC_VECT(SIOF1, 0xd20),      INTC_VECT(TPU, 0xd80),
264         INTC_VECT(TPU, 0xda0),        INTC_VECT(TPU, 0xdc0),
265         INTC_VECT(TPU, 0xde0),        INTC_VECT(IIC, 0xe00),
266         INTC_VECT(MMC, 0xe80),        INTC_VECT(MMC, 0xea0),
267         INTC_VECT(MMC, 0xec0),        INTC_VECT(MMC, 0xee0),
268         INTC_VECT(CMT, 0xf00),        INTC_VECT(PCC, 0xf60),
269         INTC_VECT(AFEIF, 0xfe0),
270 };
271
272 static struct intc_prio_reg prio_registers[] __initdata = {
273         { 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
274         { 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } },
275         { 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
276         { 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } },
277         { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
278         { 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } },
279         { 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } },
280         { 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } },
281         { 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } },
282         { 0xA4080008UL, 0, 16, 4, /* IPRJ */ { 0, USBHI, 0, AFEIF } },
283 };
284
285 static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, NULL,
286                 NULL, prio_registers, NULL);
287
288 void __init plat_irq_setup(void)
289 {
290         register_intc_controller(&intc_desc);
291         plat_irq_setup_sh3();
292 }