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
|
/*
* linux/arch/arm/mach-nuc93x/cpu.c
*
* Copyright (c) 2009 Nuvoton corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* NUC93x series cpu common support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation;version 2 of the License.
*
*/
#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/platform_device.h>
#include <linux/io.h>
#include <linux/serial_8250.h>
#include <linux/delay.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/irq.h>
#include <mach/hardware.h>
#include <mach/regs-serial.h>
#include <mach/regs-clock.h>
#include <mach/regs-ebi.h>
#include "cpu.h"
#include "clock.h"
/* Initial IO mappings */
static struct map_desc nuc93x_iodesc[] __initdata = {
IODESC_ENT(IRQ),
IODESC_ENT(GCR),
IODESC_ENT(UART),
IODESC_ENT(TIMER),
IODESC_ENT(EBI),
};
/* Initial nuc932 clock declarations. */
static DEFINE_CLK(audio, 2);
static DEFINE_CLK(sd, 3);
static DEFINE_CLK(jpg, 4);
static DEFINE_CLK(video, 5);
static DEFINE_CLK(vpost, 6);
static DEFINE_CLK(2d, 7);
static DEFINE_CLK(gpu, 8);
static DEFINE_CLK(gdma, 9);
static DEFINE_CLK(adc, 10);
static DEFINE_CLK(uart, 11);
static DEFINE_CLK(spi, 12);
static DEFINE_CLK(pwm, 13);
static DEFINE_CLK(timer, 14);
static DEFINE_CLK(wdt, 15);
static DEFINE_CLK(ac97, 16);
static DEFINE_CLK(i2s, 16);
static DEFINE_CLK(usbck, 17);
static DEFINE_CLK(usb48, 18);
static DEFINE_CLK(usbh, 19);
static DEFINE_CLK(i2c, 20);
static DEFINE_CLK(ext, 0);
static struct clk_lookup nuc932_clkregs[] = {
DEF_CLKLOOK(&clk_audio, "nuc932-audio", NULL),
DEF_CLKLOOK(&clk_sd, "nuc932-sd", NULL),
DEF_CLKLOOK(&clk_jpg, "nuc932-jpg", "NULL"),
DEF_CLKLOOK(&clk_video, "nuc932-video", "NULL"),
DEF_CLKLOOK(&clk_vpost, "nuc932-vpost", NULL),
DEF_CLKLOOK(&clk_2d, "nuc932-2d", NULL),
DEF_CLKLOOK(&clk_gpu, "nuc932-gpu", NULL),
DEF_CLKLOOK(&clk_gdma, "nuc932-gdma", "NULL"),
DEF_CLKLOOK(&clk_adc, "nuc932-adc", NULL),
DEF_CLKLOOK(&clk_uart, NULL, "uart"),
DEF_CLKLOOK(&clk_spi, "nuc932-spi", NULL),
DEF_CLKLOOK(&clk_pwm, "nuc932-pwm", NULL),
DEF_CLKLOOK(&clk_timer, NULL, "timer"),
DEF_CLKLOOK(&clk_wdt, "nuc932-wdt", NULL),
DEF_CLKLOOK(&clk_ac97, "nuc932-ac97", NULL),
DEF_CLKLOOK(&clk_i2s, "nuc932-i2s", NULL),
DEF_CLKLOOK(&clk_usbck, "nuc932-usbck", NULL),
DEF_CLKLOOK(&clk_usb48, "nuc932-usb48", NULL),
DEF_CLKLOOK(&clk_usbh, "nuc932-usbh", NULL),
DEF_CLKLOOK(&clk_i2c, "nuc932-i2c", NULL),
DEF_CLKLOOK(&clk_ext, NULL, "ext"),
};
/* Initial serial platform data */
struct plat_serial8250_port nuc93x_uart_data[] = {
NUC93X_8250PORT(UART0),
{},
};
struct platform_device nuc93x_serial_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = nuc93x_uart_data,
},
};
/*Init NUC93x evb io*/
void __init nuc93x_map_io(struct map_desc *mach_desc, int mach_size)
{
unsigned long idcode = 0x0;
iotable_init(mach_desc, mach_size);
iotable_init(nuc93x_iodesc, ARRAY_SIZE(nuc93x_iodesc));
idcode = __raw_readl(NUC93XPDID);
if (idcode == NUC932_CPUID)
printk(KERN_INFO "CPU type 0x%08lx is NUC910\n", idcode);
else
printk(KERN_ERR "CPU type detect error!\n");
}
/*Init NUC93x clock*/
void __init nuc93x_init_clocks(void)
{
clks_register(nuc932_clkregs, ARRAY_SIZE(nuc932_clkregs));
}
|
