Linux Kernel  3.7.1
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setup-sh7705.c
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1 /*
2  * SH7705 Setup
3  *
4  * Copyright (C) 2006 - 2009 Paul Mundt
5  * Copyright (C) 2007 Nobuhiro Iwamatsu
6  *
7  * This file is subject to the terms and conditions of the GNU General Public
8  * License. See the file "COPYING" in the main directory of this archive
9  * for more details.
10  */
11 #include <linux/platform_device.h>
12 #include <linux/init.h>
13 #include <linux/irq.h>
14 #include <linux/serial.h>
15 #include <linux/serial_sci.h>
16 #include <linux/sh_timer.h>
17 #include <linux/sh_intc.h>
18 #include <asm/rtc.h>
19 #include <cpu/serial.h>
20 
21 enum {
22  UNUSED = 0,
23 
24  /* interrupt sources */
27 
29 
32 
34 };
35 
36 static struct intc_vect vectors[] __initdata = {
37  /* IRQ0->5 are handled in setup-sh3.c */
38  INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
39  INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
40  INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
41  INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
42  INTC_VECT(SCIF0, 0x8e0),
43  INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
44  INTC_VECT(SCIF2, 0x960),
45  INTC_VECT(ADC_ADI, 0x980),
46  INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
47  INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
48  INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
49  INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
50  INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
51  INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
52  INTC_VECT(RTC, 0x4c0),
53  INTC_VECT(WDT, 0x560),
54  INTC_VECT(REF_RCMI, 0x580),
55 };
56 
57 static struct intc_prio_reg prio_registers[] __initdata = {
58  { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
59  { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
60  { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
61  { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
62  { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
63  { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
64  { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
65  { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
66 
67 };
68 
69 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
70  NULL, prio_registers, NULL);
71 
72 static struct plat_sci_port scif0_platform_data = {
73  .mapbase = 0xa4410000,
74  .flags = UPF_BOOT_AUTOCONF,
75  .scscr = SCSCR_TIE | SCSCR_RIE | SCSCR_TE |
77  .scbrr_algo_id = SCBRR_ALGO_4,
78  .type = PORT_SCIF,
79  .irqs = SCIx_IRQ_MUXED(evt2irq(0x900)),
80  .ops = &sh770x_sci_port_ops,
81  .regtype = SCIx_SH7705_SCIF_REGTYPE,
82 };
83 
84 static struct platform_device scif0_device = {
85  .name = "sh-sci",
86  .id = 0,
87  .dev = {
88  .platform_data = &scif0_platform_data,
89  },
90 };
91 
92 static struct plat_sci_port scif1_platform_data = {
93  .mapbase = 0xa4400000,
94  .flags = UPF_BOOT_AUTOCONF,
95  .scscr = SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE,
96  .scbrr_algo_id = SCBRR_ALGO_4,
97  .type = PORT_SCIF,
98  .irqs = SCIx_IRQ_MUXED(evt2irq(0x880)),
99  .ops = &sh770x_sci_port_ops,
100  .regtype = SCIx_SH7705_SCIF_REGTYPE,
101 };
102 
103 static struct platform_device scif1_device = {
104  .name = "sh-sci",
105  .id = 1,
106  .dev = {
107  .platform_data = &scif1_platform_data,
108  },
109 };
110 
111 static struct resource rtc_resources[] = {
112  [0] = {
113  .start = 0xfffffec0,
114  .end = 0xfffffec0 + 0x1e,
115  .flags = IORESOURCE_IO,
116  },
117  [1] = {
118  .start = evt2irq(0x480),
119  .flags = IORESOURCE_IRQ,
120  },
121 };
122 
123 static struct sh_rtc_platform_info rtc_info = {
124  .capabilities = RTC_CAP_4_DIGIT_YEAR,
125 };
126 
127 static struct platform_device rtc_device = {
128  .name = "sh-rtc",
129  .id = -1,
130  .num_resources = ARRAY_SIZE(rtc_resources),
131  .resource = rtc_resources,
132  .dev = {
133  .platform_data = &rtc_info,
134  },
135 };
136 
137 static struct sh_timer_config tmu0_platform_data = {
138  .channel_offset = 0x02,
139  .timer_bit = 0,
140  .clockevent_rating = 200,
141 };
142 
143 static struct resource tmu0_resources[] = {
144  [0] = {
145  .start = 0xfffffe94,
146  .end = 0xfffffe9f,
147  .flags = IORESOURCE_MEM,
148  },
149  [1] = {
150  .start = evt2irq(0x400),
151  .flags = IORESOURCE_IRQ,
152  },
153 };
154 
155 static struct platform_device tmu0_device = {
156  .name = "sh_tmu",
157  .id = 0,
158  .dev = {
159  .platform_data = &tmu0_platform_data,
160  },
161  .resource = tmu0_resources,
162  .num_resources = ARRAY_SIZE(tmu0_resources),
163 };
164 
165 static struct sh_timer_config tmu1_platform_data = {
166  .channel_offset = 0xe,
167  .timer_bit = 1,
168  .clocksource_rating = 200,
169 };
170 
171 static struct resource tmu1_resources[] = {
172  [0] = {
173  .start = 0xfffffea0,
174  .end = 0xfffffeab,
175  .flags = IORESOURCE_MEM,
176  },
177  [1] = {
178  .start = evt2irq(0x420),
179  .flags = IORESOURCE_IRQ,
180  },
181 };
182 
183 static struct platform_device tmu1_device = {
184  .name = "sh_tmu",
185  .id = 1,
186  .dev = {
187  .platform_data = &tmu1_platform_data,
188  },
189  .resource = tmu1_resources,
190  .num_resources = ARRAY_SIZE(tmu1_resources),
191 };
192 
193 static struct sh_timer_config tmu2_platform_data = {
194  .channel_offset = 0x1a,
195  .timer_bit = 2,
196 };
197 
198 static struct resource tmu2_resources[] = {
199  [0] = {
200  .start = 0xfffffeac,
201  .end = 0xfffffebb,
202  .flags = IORESOURCE_MEM,
203  },
204  [1] = {
205  .start = evt2irq(0x440),
206  .flags = IORESOURCE_IRQ,
207  },
208 };
209 
210 static struct platform_device tmu2_device = {
211  .name = "sh_tmu",
212  .id = 2,
213  .dev = {
214  .platform_data = &tmu2_platform_data,
215  },
216  .resource = tmu2_resources,
217  .num_resources = ARRAY_SIZE(tmu2_resources),
218 };
219 
220 static struct platform_device *sh7705_devices[] __initdata = {
221  &scif0_device,
222  &scif1_device,
223  &tmu0_device,
224  &tmu1_device,
225  &tmu2_device,
226  &rtc_device,
227 };
228 
229 static int __init sh7705_devices_setup(void)
230 {
231  return platform_add_devices(sh7705_devices,
232  ARRAY_SIZE(sh7705_devices));
233 }
234 arch_initcall(sh7705_devices_setup);
235 
236 static struct platform_device *sh7705_early_devices[] __initdata = {
237  &scif0_device,
238  &scif1_device,
239  &tmu0_device,
240  &tmu1_device,
241  &tmu2_device,
242 };
243 
245 {
246  early_platform_add_devices(sh7705_early_devices,
247  ARRAY_SIZE(sh7705_early_devices));
248 }
249 
251 {
254 }