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Linux/arch/sh/kernel/cpu/sh3/setup-sh7710.c

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  1 /*
  2  * SH3 Setup code for SH7710, SH7712
  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 
 20 enum {
 21         UNUSED = 0,
 22 
 23         /* interrupt sources */
 24         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
 25         DMAC1, SCIF0, SCIF1, DMAC2, IPSEC,
 26         EDMAC0, EDMAC1, EDMAC2,
 27         SIOF0, SIOF1,
 28 
 29         TMU0, TMU1, TMU2,
 30         RTC, WDT, REF,
 31 };
 32 
 33 static struct intc_vect vectors[] __initdata = {
 34         /* IRQ0->5 are handled in setup-sh3.c */
 35         INTC_VECT(DMAC1, 0x800), INTC_VECT(DMAC1, 0x820),
 36         INTC_VECT(DMAC1, 0x840), INTC_VECT(DMAC1, 0x860),
 37         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
 38         INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
 39         INTC_VECT(SCIF1, 0x900), INTC_VECT(SCIF1, 0x920),
 40         INTC_VECT(SCIF1, 0x940), INTC_VECT(SCIF1, 0x960),
 41         INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0),
 42 #ifdef CONFIG_CPU_SUBTYPE_SH7710
 43         INTC_VECT(IPSEC, 0xbe0),
 44 #endif
 45         INTC_VECT(EDMAC0, 0xc00), INTC_VECT(EDMAC1, 0xc20),
 46         INTC_VECT(EDMAC2, 0xc40),
 47         INTC_VECT(SIOF0, 0xe00), INTC_VECT(SIOF0, 0xe20),
 48         INTC_VECT(SIOF0, 0xe40), INTC_VECT(SIOF0, 0xe60),
 49         INTC_VECT(SIOF1, 0xe80), INTC_VECT(SIOF1, 0xea0),
 50         INTC_VECT(SIOF1, 0xec0), INTC_VECT(SIOF1, 0xee0),
 51         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
 52         INTC_VECT(TMU2, 0x440),
 53         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
 54         INTC_VECT(RTC, 0x4c0),
 55         INTC_VECT(WDT, 0x560),
 56         INTC_VECT(REF, 0x580),
 57 };
 58 
 59 static struct intc_prio_reg prio_registers[] __initdata = {
 60         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
 61         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
 62         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
 63         { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
 64         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } },
 65         { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } },
 66         { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } },
 67         { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } },
 68         { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } },
 69 };
 70 
 71 static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, NULL,
 72                          NULL, prio_registers, NULL);
 73 
 74 static struct resource rtc_resources[] = {
 75         [0] =   {
 76                 .start  = 0xa413fec0,
 77                 .end    = 0xa413fec0 + 0x1e,
 78                 .flags  = IORESOURCE_IO,
 79         },
 80         [1] =   {
 81                 .start  = evt2irq(0x480),
 82                 .flags  = IORESOURCE_IRQ,
 83         },
 84 };
 85 
 86 static struct sh_rtc_platform_info rtc_info = {
 87         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
 88 };
 89 
 90 static struct platform_device rtc_device = {
 91         .name           = "sh-rtc",
 92         .id             = -1,
 93         .num_resources  = ARRAY_SIZE(rtc_resources),
 94         .resource       = rtc_resources,
 95         .dev            = {
 96                 .platform_data = &rtc_info,
 97         },
 98 };
 99 
100 static struct plat_sci_port scif0_platform_data = {
101         .scscr          = SCSCR_REIE | SCSCR_CKE1,
102         .type           = PORT_SCIF,
103 };
104 
105 static struct resource scif0_resources[] = {
106         DEFINE_RES_MEM(0xa4400000, 0x100),
107         DEFINE_RES_IRQ(evt2irq(0x880)),
108 };
109 
110 static struct platform_device scif0_device = {
111         .name           = "sh-sci",
112         .id             = 0,
113         .resource       = scif0_resources,
114         .num_resources  = ARRAY_SIZE(scif0_resources),
115         .dev            = {
116                 .platform_data  = &scif0_platform_data,
117         },
118 };
119 
120 static struct plat_sci_port scif1_platform_data = {
121         .scscr          = SCSCR_REIE | SCSCR_CKE1,
122         .type           = PORT_SCIF,
123 };
124 
125 static struct resource scif1_resources[] = {
126         DEFINE_RES_MEM(0xa4410000, 0x100),
127         DEFINE_RES_IRQ(evt2irq(0x900)),
128 };
129 
130 static struct platform_device scif1_device = {
131         .name           = "sh-sci",
132         .id             = 1,
133         .resource       = scif1_resources,
134         .num_resources  = ARRAY_SIZE(scif1_resources),
135         .dev            = {
136                 .platform_data  = &scif1_platform_data,
137         },
138 };
139 
140 static struct sh_timer_config tmu0_platform_data = {
141         .channels_mask = 7,
142 };
143 
144 static struct resource tmu0_resources[] = {
145         DEFINE_RES_MEM(0xa412fe90, 0x28),
146         DEFINE_RES_IRQ(evt2irq(0x400)),
147         DEFINE_RES_IRQ(evt2irq(0x420)),
148         DEFINE_RES_IRQ(evt2irq(0x440)),
149 };
150 
151 static struct platform_device tmu0_device = {
152         .name           = "sh-tmu-sh3",
153         .id             = 0,
154         .dev = {
155                 .platform_data  = &tmu0_platform_data,
156         },
157         .resource       = tmu0_resources,
158         .num_resources  = ARRAY_SIZE(tmu0_resources),
159 };
160 
161 static struct platform_device *sh7710_devices[] __initdata = {
162         &scif0_device,
163         &scif1_device,
164         &tmu0_device,
165         &rtc_device,
166 };
167 
168 static int __init sh7710_devices_setup(void)
169 {
170         return platform_add_devices(sh7710_devices,
171                                     ARRAY_SIZE(sh7710_devices));
172 }
173 arch_initcall(sh7710_devices_setup);
174 
175 static struct platform_device *sh7710_early_devices[] __initdata = {
176         &scif0_device,
177         &scif1_device,
178         &tmu0_device,
179 };
180 
181 void __init plat_early_device_setup(void)
182 {
183         early_platform_add_devices(sh7710_early_devices,
184                                    ARRAY_SIZE(sh7710_early_devices));
185 }
186 
187 void __init plat_irq_setup(void)
188 {
189         register_intc_controller(&intc_desc);
190         plat_irq_setup_sh3();
191 }
192 

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