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
|
/*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* 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 <asm/arch/AT91RM9200.h>
#include <at91rm9200_net.h>
#include <dm9161.h>
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
int board_init (void)
{
/* Enable Ctrlc */
console_init_f ();
/* Correct IRDA resistor problem */
/* Set PA23_TXD in Output */
((AT91PS_PIO) AT91C_BASE_PIOA)->PIO_OER = AT91C_PA23_TXD2;
/* memory and cpu-speed are setup before relocation */
/* so we do _nothing_ here */
/* arch number of AT91RM9200DK-Board */
gd->bd->bi_arch_number = MACH_TYPE_AT91RM9200DK;
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
return 0;
}
int dram_init (void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM;
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
return 0;
}
#ifdef CONFIG_DRIVER_ETHER
#if defined(CONFIG_CMD_NET)
/*
* Name:
* at91rm9200_GetPhyInterface
* Description:
* Initialise the interface functions to the PHY
* Arguments:
* None
* Return value:
* None
*/
void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops)
{
p_phyops->Init = dm9161_InitPhy;
p_phyops->IsPhyConnected = dm9161_IsPhyConnected;
p_phyops->GetLinkSpeed = dm9161_GetLinkSpeed;
p_phyops->AutoNegotiate = dm9161_AutoNegotiate;
}
#endif
#endif /* CONFIG_DRIVER_ETHER */
/*
* Disk On Chip (NAND) Millenium initialization.
* The NAND lives in the CS2* space
*/
#if defined(CONFIG_CMD_NAND)
extern ulong nand_probe (ulong physadr);
#define AT91_SMARTMEDIA_BASE 0x40000000 /* physical address to access memory on NCS3 */
void nand_init (void)
{
/* Setup Smart Media, fitst enable the address range of CS3 */
*AT91C_EBI_CSA |= AT91C_EBI_CS3A_SMC_SmartMedia;
/* set the bus interface characteristics based on
tDS Data Set up Time 30 - ns
tDH Data Hold Time 20 - ns
tALS ALE Set up Time 20 - ns
16ns at 60 MHz ~= 3 */
/*memory mapping structures */
#define SM_ID_RWH (5 << 28)
#define SM_RWH (1 << 28)
#define SM_RWS (0 << 24)
#define SM_TDF (1 << 8)
#define SM_NWS (3)
AT91C_BASE_SMC2->SMC2_CSR[3] = (SM_RWH | SM_RWS |
AT91C_SMC2_ACSS_STANDARD | AT91C_SMC2_DBW_8 |
SM_TDF | AT91C_SMC2_WSEN | SM_NWS);
/* enable the SMOE line PC0=SMCE, A21=CLE, A22=ALE */
*AT91C_PIOC_ASR = AT91C_PC0_BFCK | AT91C_PC1_BFRDY_SMOE |
AT91C_PC3_BFBAA_SMWE;
*AT91C_PIOC_PDR = AT91C_PC0_BFCK | AT91C_PC1_BFRDY_SMOE |
AT91C_PC3_BFBAA_SMWE;
/* Configure PC2 as input (signal READY of the SmartMedia) */
*AT91C_PIOC_PER = AT91C_PC2_BFAVD; /* enable direct output enable */
*AT91C_PIOC_ODR = AT91C_PC2_BFAVD; /* disable output */
/* Configure PB1 as input (signal Card Detect of the SmartMedia) */
*AT91C_PIOB_PER = AT91C_PIO_PB1; /* enable direct output enable */
*AT91C_PIOB_ODR = AT91C_PIO_PB1; /* disable output */
/* PIOB and PIOC clock enabling */
*AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
*AT91C_PMC_PCER = 1 << AT91C_ID_PIOC;
if (*AT91C_PIOB_PDSR & AT91C_PIO_PB1)
printf (" No SmartMedia card inserted\n");
#ifdef DEBUG
printf (" SmartMedia card inserted\n");
printf ("Probing at 0x%.8x\n", AT91_SMARTMEDIA_BASE);
#endif
printf ("%4lu MB\n", nand_probe(AT91_SMARTMEDIA_BASE) >> 20);
}
#endif
|
