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
|
/*
* Copyright (C) 2012 Juergen Beisert
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* The FriendlyARM's Tiny6410 evaluation board comes with all connectors and
* devices to make the Tiny6410 CPU card work. This includes:
*
* - the DM9000 network controller
* - USB/MCI connectors
* - display connector
*
*/
#include <common.h>
#include <driver.h>
#include <init.h>
#include <gpio.h>
#include <dm9000.h>
#include <mach/devices-s3c64xx.h>
#include <mach/s3c-generic.h>
#include "tiny6410.h"
/*
* dm9000 network controller onboard
* Connected to CS line 1 and interrupt line EINT7,
* data width is 16 bit
* Area 1: Offset 0x300...0x301
* Area 2: Offset 0x304...0x305
*/
static struct dm9000_platform_data dm9000_data = {
.srom = 0, /* no serial ROM for the ethernet address */
};
static const struct s3c6410_chipselect dm900_cs = {
.adr_setup_t = 0,
.access_setup_t = 0,
.access_t = 20,
.cs_hold_t = 3,
.adr_hold_t = 20, /* CS must be de-asserted for at least 20 ns */
.width = 16,
};
static void tiny6410evk_setup_dm9000_cs(void)
{
s3c6410_setup_chipselect(1, &dm900_cs);
}
static const unsigned tiny6410evk_pin_usage[] = {
/* UART1 (V24) */
GPA4_RXD1 | ENABLE_PU,
GPA5_TXD1,
GPA6_NCTS1 | ENABLE_PU,
GPA7_NRTS1,
/* UART2 (V24) */
GPB0_RXD2 | ENABLE_PU,
GPB1_TXD2,
/* UART3 (spare, 3,3 V TTL level only) */
GPB2_RXD3 | ENABLE_PU,
GPB3_TXD3,
};
static int tiny6410evk_devices_init(void)
{
int i;
/* init CPU card specific devices first */
tiny6410_init("FA EVK");
/* ----------- configure the access to the outer space ---------- */
for (i = 0; i < ARRAY_SIZE(tiny6410evk_pin_usage); i++)
s3c_gpio_mode(tiny6410evk_pin_usage[i]);
tiny6410evk_setup_dm9000_cs();
add_dm9000_device(0, S3C_CS1_BASE + 0x300, S3C_CS1_BASE + 0x304,
IORESOURCE_MEM_16BIT, &dm9000_data);
return 0;
}
device_initcall(tiny6410evk_devices_init);
static int tiny6410evk_console_init(void)
{
/* note: UART0 has no RTS/CTS connected */
s3c_gpio_mode(GPA0_RXD0 | ENABLE_PU);
s3c_gpio_mode(GPA1_TXD0);
barebox_set_model("Friendlyarm tiny6410");
barebox_set_hostname("tiny6410");
s3c64xx_add_uart1();
return 0;
}
console_initcall(tiny6410evk_console_init);
|
