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
|
/*
* (C) Copyright 2011 Comelit Group SpA
* Luca Ceresoli <luca.ceresoli@comelit.it>
*
* Based on board/ti/beagle/beagle.c:
* (C) Copyright 2004-2008
* Texas Instruments, <www.ti.com>
*
* Author :
* Sunil Kumar <sunilsaini05@gmail.com>
* Shashi Ranjan <shashiranjanmca05@gmail.com>
*
* Derived from Beagle Board and 3430 SDP code by
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
*
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <netdev.h>
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/omap3-regs.h>
#include <asm/arch/mux.h>
#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/mach-types.h>
#include "dig297.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_CMD_NET
static void setup_net_chip(void);
#define NET_LAN9221_RESET_GPIO 12
/* GPMC CS 5 connected to an SMSC LAN9220 ethernet controller */
#define NET_LAN9220_GPMC_CONFIG1 (DEVICESIZE_16BIT)
#define NET_LAN9220_GPMC_CONFIG2 (CSWROFFTIME(8) | \
CSRDOFFTIME(7) | \
ADVONTIME(1))
#define NET_LAN9220_GPMC_CONFIG3 (ADVWROFFTIME(2) | \
ADVRDOFFTIME(2) | \
ADVONTIME(1))
#define NET_LAN9220_GPMC_CONFIG4 (WEOFFTIME(8) | \
WEONTIME(1) | \
OEOFFTIME(7)| \
OEONTIME(1))
#define NET_LAN9220_GPMC_CONFIG5 (PAGEBURSTACCESSTIME(0) | \
RDACCESSTIME(6) | \
WRCYCLETIME(0x1D) | \
RDCYCLETIME(0x1D))
#define NET_LAN9220_GPMC_CONFIG6 ((1 << 31) | \
WRACCESSTIME(0x1D) | \
WRDATAONADMUXBUS(3))
static const u32 gpmc_lan_config[] = {
NET_LAN9220_GPMC_CONFIG1,
NET_LAN9220_GPMC_CONFIG2,
NET_LAN9220_GPMC_CONFIG3,
NET_LAN9220_GPMC_CONFIG4,
NET_LAN9220_GPMC_CONFIG5,
NET_LAN9220_GPMC_CONFIG6,
/* CONFIG7: computed by enable_gpmc_cs_config() */
};
#endif /* CONFIG_CMD_NET */
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
twl4030_power_init();
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
/*
* GPIO list
* - 159 OUT (GPIO5+31): reset for remote camera interface connector.
* - 19 OUT (GPIO1+19): integrated speaker amplifier (1=on, 0=shdn).
* - 20 OUT (GPIO1+20): handset amplifier (1=on, 0=shdn).
*/
/* Configure GPIOs to output */
writel(~(GPIO19 | GPIO20), &gpio1_base->oe);
writel(~(GPIO31), &gpio5_base->oe);
/* Set GPIO values */
writel((GPIO19 | GPIO20), &gpio1_base->setdataout);
writel(0, &gpio5_base->setdataout);
#if defined(CONFIG_CMD_NET)
setup_net_chip();
#endif
dieid_num_r();
return 0;
}
/*
* Routine: set_muxconf_regs
* Description: Setting up the configuration Mux registers specific to the
* hardware. Many pins need to be moved from protect to primary
* mode.
*/
void set_muxconf_regs(void)
{
MUX_DIG297();
}
#ifdef CONFIG_GENERIC_MMC
int board_mmc_init(bd_t *bis)
{
omap_mmc_init(0, 0, 0);
return 0;
}
#endif
#ifdef CONFIG_CMD_NET
/*
* Routine: setup_net_chip
* Description: Setting up the configuration GPMC registers specific to the
* Ethernet hardware.
*/
static void setup_net_chip(void)
{
struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
/* Configure GPMC registers */
enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
&ctrl_base->gpmc_nadv_ale);
/* Make GPIO 12 as output pin and send a magic pulse through it */
if (!gpio_request(NET_LAN9221_RESET_GPIO, "")) {
gpio_direction_output(NET_LAN9221_RESET_GPIO, 0);
gpio_set_value(NET_LAN9221_RESET_GPIO, 1);
udelay(1);
gpio_set_value(NET_LAN9221_RESET_GPIO, 0);
udelay(31000); /* Should be >= 30ms according to datasheet */
gpio_set_value(NET_LAN9221_RESET_GPIO, 1);
}
}
#endif /* CONFIG_CMD_NET */
int board_eth_init(bd_t *bis)
{
int rc = 0;
rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
return rc;
}
|
