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
|
/*
* (C) Copyright 2004-2008
* Texas Instruments, <www.ti.com>
*
* Author :
* Sunil Kumar <sunilsaini05@gmail.com>
* Shashi Ranjan <shashiranjanmca05@gmail.com>
*
* (C) Copyright 2009
* Frederik Kriewitz <frederik@kriewitz.eu>
*
* 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 <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mem.h>
#include <asm/mach-types.h>
#include "devkit8000.h"
#include <asm/gpio.h>
#ifdef CONFIG_DRIVER_DM9000
#include <net.h>
#include <netdev.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
static u32 gpmc_net_config[GPMC_MAX_REG] = {
NET_GPMC_CONFIG1,
NET_GPMC_CONFIG2,
NET_GPMC_CONFIG3,
NET_GPMC_CONFIG4,
NET_GPMC_CONFIG5,
NET_GPMC_CONFIG6,
0
};
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_DEVKIT8000;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
/* Configure GPMC registers for DM9000 */
static void gpmc_dm9000_config(void)
{
enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
CONFIG_DM9000_BASE, GPMC_SIZE_16M);
}
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
#ifdef CONFIG_DRIVER_DM9000
uchar enetaddr[6];
u32 die_id_0;
#endif
twl4030_power_init();
#ifdef CONFIG_TWL4030_LED
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
#endif
#ifdef CONFIG_DRIVER_DM9000
/* Configure GPMC registers for DM9000 */
enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
CONFIG_DM9000_BASE, GPMC_SIZE_16M);
/* Use OMAP DIE_ID as MAC address */
if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
printf("ethaddr not set, using Die ID\n");
die_id_0 = readl(&id_base->die_id_0);
enetaddr[0] = 0x02; /* locally administered */
enetaddr[1] = readl(&id_base->die_id_1) & 0xff;
enetaddr[2] = (die_id_0 & 0xff000000) >> 24;
enetaddr[3] = (die_id_0 & 0x00ff0000) >> 16;
enetaddr[4] = (die_id_0 & 0x0000ff00) >> 8;
enetaddr[5] = (die_id_0 & 0x000000ff);
eth_setenv_enetaddr("ethaddr", enetaddr);
}
#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_DEVKIT8000();
}
#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
return omap_mmc_init(0, 0, 0, -1);
}
#endif
#if defined(CONFIG_DRIVER_DM9000) & !defined(CONFIG_SPL_BUILD)
/*
* Routine: board_eth_init
* Description: Setting up the Ethernet hardware.
*/
int board_eth_init(bd_t *bis)
{
return dm9000_initialize(bis);
}
#endif
#ifdef CONFIG_SPL_OS_BOOT
/*
* Do board specific preperation before SPL
* Linux boot
*/
void spl_board_prepare_for_linux(void)
{
gpmc_dm9000_config();
}
/*
* devkit8000 specific implementation of spl_start_uboot()
*
* RETURN
* 0 if the button is not pressed
* 1 if the button is pressed
*/
int spl_start_uboot(void)
{
int val = 0;
if (!gpio_request(CONFIG_SPL_OS_BOOT_KEY, "U-Boot key")) {
gpio_direction_input(CONFIG_SPL_OS_BOOT_KEY);
val = gpio_get_value(CONFIG_SPL_OS_BOOT_KEY);
gpio_free(CONFIG_SPL_OS_BOOT_KEY);
}
return !val;
}
#endif
/*
* Routine: get_board_mem_timings
* Description: If we use SPL then there is no x-loader nor config header
* so we have to setup the DDR timings ourself on the first bank. This
* provides the timing values back to the function that configures
* the memory. We have either one or two banks of 128MB DDR.
*/
void get_board_mem_timings(struct board_sdrc_timings *timings)
{
/* General SDRC config */
timings->mcfg = MICRON_V_MCFG_165(128 << 20);
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
/* AC timings */
timings->ctrla = MICRON_V_ACTIMA_165;
timings->ctrlb = MICRON_V_ACTIMB_165;
timings->mr = MICRON_V_MR_165;
}
|
