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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* linux/arch/arm/mach-mmp/ttc_dkb.c
*
* Support for the Marvell PXA910-based TTC_DKB Development Platform.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* publishhed by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/onenand.h>
#include <linux/interrupt.h>
#include <linux/i2c/pca953x.h>
#include <linux/gpio.h>
#include <linux/mfd/88pm860x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <mach/addr-map.h>
#include <mach/mfp-pxa910.h>
#include <mach/pxa910.h>
#include <mach/irqs.h>
#include "common.h"
#define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 : \
((x < 16) ? x : 15)))
#define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
((x < 16) ? x : 15)))
/*
* 16 board interrupts -- MAX7312 GPIO expander
* 16 board interrupts -- PCA9575 GPIO expander
* 24 board interrupts -- 88PM860x PMIC
*/
#define TTCDKB_NR_IRQS (MMP_NR_IRQS + 16 + 16 + 24)
static unsigned long ttc_dkb_pin_config[] __initdata = {
/* UART2 */
GPIO47_UART2_RXD,
GPIO48_UART2_TXD,
/* DFI */
DF_IO0_ND_IO0,
DF_IO1_ND_IO1,
DF_IO2_ND_IO2,
DF_IO3_ND_IO3,
DF_IO4_ND_IO4,
DF_IO5_ND_IO5,
DF_IO6_ND_IO6,
DF_IO7_ND_IO7,
DF_IO8_ND_IO8,
DF_IO9_ND_IO9,
DF_IO10_ND_IO10,
DF_IO11_ND_IO11,
DF_IO12_ND_IO12,
DF_IO13_ND_IO13,
DF_IO14_ND_IO14,
DF_IO15_ND_IO15,
DF_nCS0_SM_nCS2_nCS0,
DF_ALE_SM_WEn_ND_ALE,
DF_CLE_SM_OEn_ND_CLE,
DF_WEn_DF_WEn,
DF_REn_DF_REn,
DF_RDY0_DF_RDY0,
};
static struct mtd_partition ttc_dkb_onenand_partitions[] = {
{
.name = "bootloader",
.offset = 0,
.size = SZ_1M,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "reserved",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "reserved",
.offset = MTDPART_OFS_APPEND,
.size = SZ_8M,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = (SZ_2M + SZ_1M),
.mask_flags = 0,
}, {
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = SZ_32M + SZ_16M,
.mask_flags = 0,
}
};
static struct onenand_platform_data ttc_dkb_onenand_info = {
.parts = ttc_dkb_onenand_partitions,
.nr_parts = ARRAY_SIZE(ttc_dkb_onenand_partitions),
};
static struct resource ttc_dkb_resource_onenand[] = {
[0] = {
.start = SMC_CS0_PHYS_BASE,
.end = SMC_CS0_PHYS_BASE + SZ_1M,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ttc_dkb_device_onenand = {
.name = "onenand-flash",
.id = -1,
.resource = ttc_dkb_resource_onenand,
.num_resources = ARRAY_SIZE(ttc_dkb_resource_onenand),
.dev = {
.platform_data = &ttc_dkb_onenand_info,
},
};
static struct platform_device *ttc_dkb_devices[] = {
&pxa910_device_gpio,
&pxa910_device_rtc,
&ttc_dkb_device_onenand,
};
static struct pca953x_platform_data max7312_data[] = {
{
.gpio_base = TTCDKB_GPIO_EXT0(0),
.irq_base = MMP_NR_IRQS,
},
};
static struct pm860x_platform_data ttc_dkb_pm8607_info = {
.irq_base = IRQ_BOARD_START,
};
static struct i2c_board_info ttc_dkb_i2c_info[] = {
{
.type = "88PM860x",
.addr = 0x34,
.platform_data = &ttc_dkb_pm8607_info,
.irq = IRQ_PXA910_PMIC_INT,
},
{
.type = "max7312",
.addr = 0x23,
.irq = MMP_GPIO_TO_IRQ(80),
.platform_data = &max7312_data,
},
};
static void __init ttc_dkb_init(void)
{
mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
/* on-chip devices */
pxa910_add_uart(1);
/* off-chip devices */
pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
}
MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
.map_io = mmp_map_io,
.nr_irqs = TTCDKB_NR_IRQS,
.init_irq = pxa910_init_irq,
.timer = &pxa910_timer,
.init_machine = ttc_dkb_init,
.restart = mmp_restart,
MACHINE_END
|
