1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* arch/arm/mach-spear3xx/spear3xx.c
*
* SPEAr3XX machines common source file
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar<viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/types.h>
#include <linux/amba/pl061.h>
#include <linux/ptrace.h>
#include <linux/io.h>
#include <asm/hardware/vic.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <mach/generic.h>
#include <mach/spear.h>
/* Add spear3xx machines common devices here */
/* gpio device registeration */
static struct pl061_platform_data gpio_plat_data = {
.gpio_base = 0,
.irq_base = SPEAR_GPIO_INT_BASE,
};
struct amba_device gpio_device = {
.dev = {
.init_name = "gpio",
.platform_data = &gpio_plat_data,
},
.res = {
.start = SPEAR3XX_ICM3_GPIO_BASE,
.end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_BASIC_GPIO, NO_IRQ},
};
/* uart device registeration */
struct amba_device uart_device = {
.dev = {
.init_name = "uart",
},
.res = {
.start = SPEAR3XX_ICM1_UART_BASE,
.end = SPEAR3XX_ICM1_UART_BASE + SPEAR3XX_ICM1_UART_SIZE - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_UART, NO_IRQ},
};
/* Do spear3xx familiy common initialization part here */
void __init spear3xx_init(void)
{
/* nothing to do for now */
}
/* This will initialize vic */
void __init spear3xx_init_irq(void)
{
vic_init((void __iomem *)VA_SPEAR3XX_ML1_VIC_BASE, 0, ~0, 0);
}
/* Following will create static virtual/physical mappings */
struct map_desc spear3xx_io_desc[] __initdata = {
{
.virtual = VA_SPEAR3XX_ICM1_UART_BASE,
.pfn = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE),
.length = SPEAR3XX_ICM1_UART_SIZE,
.type = MT_DEVICE
}, {
.virtual = VA_SPEAR3XX_ML1_VIC_BASE,
.pfn = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE),
.length = SPEAR3XX_ML1_VIC_SIZE,
.type = MT_DEVICE
}, {
.virtual = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE,
.pfn = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE),
.length = SPEAR3XX_ICM3_SYS_CTRL_SIZE,
.type = MT_DEVICE
}, {
.virtual = VA_SPEAR3XX_ICM3_MISC_REG_BASE,
.pfn = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE),
.length = SPEAR3XX_ICM3_MISC_REG_SIZE,
.type = MT_DEVICE
},
};
/* This will create static memory mapping for selected devices */
void __init spear3xx_map_io(void)
{
iotable_init(spear3xx_io_desc, ARRAY_SIZE(spear3xx_io_desc));
/* This will initialize clock framework */
clk_init();
}
|
