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Linux/arch/sh/kernel/cpu/sh3/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 */
 25         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
 26         PINT07, PINT815,
 27 
 28         DMAC, SCIF0, SCIF2, ADC_ADI, USB,
 29 
 30         TPU0, TPU1, TPU2, TPU3,
 31         TMU0, TMU1, TMU2,
 32 
 33         RTC, WDT, REF_RCMI,
 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         .scscr          = SCSCR_CKE1,
 74         .type           = PORT_SCIF,
 75         .ops            = &sh770x_sci_port_ops,
 76         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
 77 };
 78 
 79 static struct resource scif0_resources[] = {
 80         DEFINE_RES_MEM(0xa4410000, 0x100),
 81         DEFINE_RES_IRQ(evt2irq(0x900)),
 82 };
 83 
 84 static struct platform_device scif0_device = {
 85         .name           = "sh-sci",
 86         .id             = 0,
 87         .resource       = scif0_resources,
 88         .num_resources  = ARRAY_SIZE(scif0_resources),
 89         .dev            = {
 90                 .platform_data  = &scif0_platform_data,
 91         },
 92 };
 93 
 94 static struct plat_sci_port scif1_platform_data = {
 95         .type           = PORT_SCIF,
 96         .ops            = &sh770x_sci_port_ops,
 97         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
 98 };
 99 
100 static struct resource scif1_resources[] = {
101         DEFINE_RES_MEM(0xa4400000, 0x100),
102         DEFINE_RES_IRQ(evt2irq(0x880)),
103 };
104 
105 static struct platform_device scif1_device = {
106         .name           = "sh-sci",
107         .id             = 1,
108         .resource       = scif1_resources,
109         .num_resources  = ARRAY_SIZE(scif1_resources),
110         .dev            = {
111                 .platform_data  = &scif1_platform_data,
112         },
113 };
114 
115 static struct resource rtc_resources[] = {
116         [0] =   {
117                 .start  = 0xfffffec0,
118                 .end    = 0xfffffec0 + 0x1e,
119                 .flags  = IORESOURCE_IO,
120         },
121         [1] =   {
122                 .start  = evt2irq(0x480),
123                 .flags  = IORESOURCE_IRQ,
124         },
125 };
126 
127 static struct sh_rtc_platform_info rtc_info = {
128         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
129 };
130 
131 static struct platform_device rtc_device = {
132         .name           = "sh-rtc",
133         .id             = -1,
134         .num_resources  = ARRAY_SIZE(rtc_resources),
135         .resource       = rtc_resources,
136         .dev            = {
137                 .platform_data = &rtc_info,
138         },
139 };
140 
141 static struct sh_timer_config tmu0_platform_data = {
142         .channels_mask = 7,
143 };
144 
145 static struct resource tmu0_resources[] = {
146         DEFINE_RES_MEM(0xfffffe90, 0x2c),
147         DEFINE_RES_IRQ(evt2irq(0x400)),
148         DEFINE_RES_IRQ(evt2irq(0x420)),
149         DEFINE_RES_IRQ(evt2irq(0x440)),
150 };
151 
152 static struct platform_device tmu0_device = {
153         .name           = "sh-tmu-sh3",
154         .id             = 0,
155         .dev = {
156                 .platform_data  = &tmu0_platform_data,
157         },
158         .resource       = tmu0_resources,
159         .num_resources  = ARRAY_SIZE(tmu0_resources),
160 };
161 
162 static struct platform_device *sh7705_devices[] __initdata = {
163         &scif0_device,
164         &scif1_device,
165         &tmu0_device,
166         &rtc_device,
167 };
168 
169 static int __init sh7705_devices_setup(void)
170 {
171         return platform_add_devices(sh7705_devices,
172                                     ARRAY_SIZE(sh7705_devices));
173 }
174 arch_initcall(sh7705_devices_setup);
175 
176 static struct platform_device *sh7705_early_devices[] __initdata = {
177         &scif0_device,
178         &scif1_device,
179         &tmu0_device,
180 };
181 
182 void __init plat_early_device_setup(void)
183 {
184         early_platform_add_devices(sh7705_early_devices,
185                                    ARRAY_SIZE(sh7705_early_devices));
186 }
187 
188 void __init plat_irq_setup(void)
189 {
190         register_intc_controller(&intc_desc);
191         plat_irq_setup_sh3();
192 }
193 

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