8816844d7e4853984d1d467de8058cd3c03ae047
[linux-2.6.git] / arch / arm / mach-ux500 / cpu-db5500.c
1 /*
2  * Copyright (C) ST-Ericsson SA 2010
3  *
4  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
5  * License terms: GNU General Public License (GPL) version 2
6  */
7
8 #include <linux/platform_device.h>
9 #include <linux/amba/bus.h>
10 #include <linux/io.h>
11 #include <linux/irq.h>
12
13 #include <asm/mach/map.h>
14
15 #include <mach/hardware.h>
16 #include <mach/devices.h>
17 #include <mach/setup.h>
18 #include <mach/irqs.h>
19
20 #include "devices-db5500.h"
21
22 static struct map_desc u5500_io_desc[] __initdata = {
23         __IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K),
24         __IO_DEV_DESC(U5500_GPIO1_BASE, SZ_4K),
25         __IO_DEV_DESC(U5500_GPIO2_BASE, SZ_4K),
26         __IO_DEV_DESC(U5500_GPIO3_BASE, SZ_4K),
27         __IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K),
28         __IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K),
29 };
30
31 static struct resource mbox0_resources[] = {
32         {
33                 .name = "mbox_peer",
34                 .start = U5500_MBOX0_PEER_START,
35                 .end = U5500_MBOX0_PEER_END,
36                 .flags = IORESOURCE_MEM,
37         },
38         {
39                 .name = "mbox_local",
40                 .start = U5500_MBOX0_LOCAL_START,
41                 .end = U5500_MBOX0_LOCAL_END,
42                 .flags = IORESOURCE_MEM,
43         },
44         {
45                 .name = "mbox_irq",
46                 .start = MBOX_PAIR0_VIRT_IRQ,
47                 .end = MBOX_PAIR0_VIRT_IRQ,
48                 .flags = IORESOURCE_IRQ,
49         }
50 };
51
52 static struct resource mbox1_resources[] = {
53         {
54                 .name = "mbox_peer",
55                 .start = U5500_MBOX1_PEER_START,
56                 .end = U5500_MBOX1_PEER_END,
57                 .flags = IORESOURCE_MEM,
58         },
59         {
60                 .name = "mbox_local",
61                 .start = U5500_MBOX1_LOCAL_START,
62                 .end = U5500_MBOX1_LOCAL_END,
63                 .flags = IORESOURCE_MEM,
64         },
65         {
66                 .name = "mbox_irq",
67                 .start = MBOX_PAIR1_VIRT_IRQ,
68                 .end = MBOX_PAIR1_VIRT_IRQ,
69                 .flags = IORESOURCE_IRQ,
70         }
71 };
72
73 static struct resource mbox2_resources[] = {
74         {
75                 .name = "mbox_peer",
76                 .start = U5500_MBOX2_PEER_START,
77                 .end = U5500_MBOX2_PEER_END,
78                 .flags = IORESOURCE_MEM,
79         },
80         {
81                 .name = "mbox_local",
82                 .start = U5500_MBOX2_LOCAL_START,
83                 .end = U5500_MBOX2_LOCAL_END,
84                 .flags = IORESOURCE_MEM,
85         },
86         {
87                 .name = "mbox_irq",
88                 .start = MBOX_PAIR2_VIRT_IRQ,
89                 .end = MBOX_PAIR2_VIRT_IRQ,
90                 .flags = IORESOURCE_IRQ,
91         }
92 };
93
94 static struct platform_device mbox0_device = {
95         .id = 0,
96         .name = "mbox",
97         .resource = mbox0_resources,
98         .num_resources = ARRAY_SIZE(mbox0_resources),
99 };
100
101 static struct platform_device mbox1_device = {
102         .id = 1,
103         .name = "mbox",
104         .resource = mbox1_resources,
105         .num_resources = ARRAY_SIZE(mbox1_resources),
106 };
107
108 static struct platform_device mbox2_device = {
109         .id = 2,
110         .name = "mbox",
111         .resource = mbox2_resources,
112         .num_resources = ARRAY_SIZE(mbox2_resources),
113 };
114
115 static struct platform_device *u5500_platform_devs[] __initdata = {
116         &u5500_gpio_devs[0],
117         &u5500_gpio_devs[1],
118         &u5500_gpio_devs[2],
119         &u5500_gpio_devs[3],
120         &u5500_gpio_devs[4],
121         &u5500_gpio_devs[5],
122         &u5500_gpio_devs[6],
123         &u5500_gpio_devs[7],
124         &mbox0_device,
125         &mbox1_device,
126         &mbox2_device,
127 };
128
129 void __init u5500_map_io(void)
130 {
131         ux500_map_io();
132
133         iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc));
134 }
135
136 void __init u5500_init_devices(void)
137 {
138         db5500_dma_init();
139
140         db5500_add_rtc();
141
142         platform_add_devices(u5500_platform_devs,
143                              ARRAY_SIZE(u5500_platform_devs));
144 }