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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
// SPDX-License-Identifier: GPL-2.0+
//
// Copyright (c) 2006 American Microsystems Limited
// David Anders <danders@amltd.com>
//
// @History:
// derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
// Ben Dooks <ben@simtec.co.uk>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/proc_fs.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/io.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <mach/fb.h>
#include <mach/regs-lcd.h>
#include <mach/regs-gpio.h>
#include <mach/gpio-samsung.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/gpio-cfg.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/map.h>
#include <linux/mtd/physmap.h>
#include <plat/samsung-time.h>
#include "common.h"
static struct resource amlm5900_nor_resource =
DEFINE_RES_MEM(0x00000000, SZ_16M);
static struct mtd_partition amlm5900_mtd_partitions[] = {
{
.name = "System",
.size = 0x240000,
.offset = 0,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "Kernel",
.size = 0x100000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "Ramdisk",
.size = 0x300000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "JFFS2",
.size = 0x9A0000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "Settings",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_APPEND,
}
};
static struct physmap_flash_data amlm5900_flash_data = {
.width = 2,
.parts = amlm5900_mtd_partitions,
.nr_parts = ARRAY_SIZE(amlm5900_mtd_partitions),
};
static struct platform_device amlm5900_device_nor = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &amlm5900_flash_data,
},
.num_resources = 1,
.resource = &amlm5900_nor_resource,
};
static struct map_desc amlm5900_iodesc[] __initdata = {
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg amlm5900_uartcfgs[] = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
}
};
static struct platform_device *amlm5900_devices[] __initdata = {
#ifdef CONFIG_FB_S3C2410
&s3c_device_lcd,
#endif
&s3c_device_adc,
&s3c_device_wdt,
&s3c_device_i2c0,
&s3c_device_ohci,
&s3c_device_rtc,
&s3c_device_usbgadget,
&s3c_device_sdi,
&amlm5900_device_nor,
};
static void __init amlm5900_map_io(void)
{
s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc));
s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
}
static void __init amlm5900_init_time(void)
{
s3c2410_init_clocks(12000000);
samsung_timer_init();
}
#ifdef CONFIG_FB_S3C2410
static struct s3c2410fb_display __initdata amlm5900_lcd_info = {
.width = 160,
.height = 160,
.type = S3C2410_LCDCON1_STN4,
.pixclock = 680000, /* HCLK = 100MHz */
.xres = 160,
.yres = 160,
.bpp = 4,
.left_margin = 1 << (4 + 3),
.right_margin = 8 << 3,
.hsync_len = 48,
.upper_margin = 0,
.lower_margin = 0,
.lcdcon5 = 0x00000001,
};
static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = {
.displays = &amlm5900_lcd_info,
.num_displays = 1,
.default_display = 0,
.gpccon = 0xaaaaaaaa,
.gpccon_mask = 0xffffffff,
.gpcup = 0x0000ffff,
.gpcup_mask = 0xffffffff,
.gpdcon = 0xaaaaaaaa,
.gpdcon_mask = 0xffffffff,
.gpdup = 0x0000ffff,
.gpdup_mask = 0xffffffff,
};
#endif
static irqreturn_t
amlm5900_wake_interrupt(int irq, void *ignored)
{
return IRQ_HANDLED;
}
static void amlm5900_init_pm(void)
{
int ret = 0;
ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt,
IRQF_TRIGGER_RISING | IRQF_SHARED,
"amlm5900_wakeup", &amlm5900_wake_interrupt);
if (ret != 0) {
printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret);
} else {
enable_irq_wake(IRQ_EINT9);
/* configure the suspend/resume status pin */
s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP);
}
}
static void __init amlm5900_init(void)
{
amlm5900_init_pm();
#ifdef CONFIG_FB_S3C2410
s3c24xx_fb_set_platdata(&amlm5900_fb_info);
#endif
s3c_i2c0_set_platdata(NULL);
platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
}
MACHINE_START(AML_M5900, "AML_M5900")
.atag_offset = 0x100,
.map_io = amlm5900_map_io,
.init_irq = s3c2410_init_irq,
.init_machine = amlm5900_init,
.init_time = amlm5900_init_time,
MACHINE_END
|
