blob: 3ad756de1c87ab27c890927a20d59947d3fa9b22 [file] [log] [blame]
wdenk9d5028c2004-11-21 00:06:33 +00001/*
2 * (C) Copyright 2002
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
5 *
6 * Modified for CMC_PU2 (removed Smart Media support) by Gary Jennejohn
7 * (2004) garyj@denx.de
8 *
wdenkbe6b6e42005-04-01 15:18:44 +00009 * Modified for CMC_BASIC by Martin Krause (2005), TQ-Systems GmbH
10 *
wdenk9d5028c2004-11-21 00:06:33 +000011 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 */
29
30#include <common.h>
31#include <asm/mach-types.h>
32#include <asm/arch/AT91RM9200.h>
Wolfgang Denk080bdb72005-10-05 01:51:29 +020033#include <at91rm9200_net.h>
34#include <dm9161.h>
wdenk9d5028c2004-11-21 00:06:33 +000035
Wolfgang Denkd87080b2006-03-31 18:32:53 +020036DECLARE_GLOBAL_DATA_PTR;
37
wdenk9d5028c2004-11-21 00:06:33 +000038/* ------------------------------------------------------------------------- */
39/*
40 * Miscelaneous platform dependent initialisations
41 */
Wolfgang Denk601aed12005-08-19 00:08:55 +020042#define CMC_HP_BASIC 1
wdenkbe6b6e42005-04-01 15:18:44 +000043#define CMC_PU2 2
Wolfgang Denk601aed12005-08-19 00:08:55 +020044#define CMC_BASIC 4
wdenkbe6b6e42005-04-01 15:18:44 +000045
46int hw_detect (void);
wdenk9d5028c2004-11-21 00:06:33 +000047
48int board_init (void)
49{
wdenkbe6b6e42005-04-01 15:18:44 +000050 AT91PS_PIO piob = AT91C_BASE_PIOB;
51 AT91PS_PIO pioc = AT91C_BASE_PIOC;
wdenk9d5028c2004-11-21 00:06:33 +000052
53 /* Enable Ctrlc */
54 console_init_f ();
55
56 /* Correct IRDA resistor problem */
57 /* Set PA23_TXD in Output */
wdenkbe6b6e42005-04-01 15:18:44 +000058 /* (AT91PS_PIO) AT91C_BASE_PIOA->PIO_OER = AT91C_PA23_TXD2; */
wdenk9d5028c2004-11-21 00:06:33 +000059
60 /* memory and cpu-speed are setup before relocation */
61 /* so we do _nothing_ here */
62
wdenkbe6b6e42005-04-01 15:18:44 +000063 /* PIOB and PIOC clock enabling */
64 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
65 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOC;
66
67 /*
68 * configure PC0-PC3 as input without pull ups, so RS485 driver enable
69 * (CMC-PU2) and digital outputs (CMC-BASIC) are deactivated.
70 */
71 pioc->PIO_ODR = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
72 AT91C_PIO_PC2 | AT91C_PIO_PC3;
73 pioc->PIO_PPUDR = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
74 AT91C_PIO_PC2 | AT91C_PIO_PC3;
75 pioc->PIO_PER = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
Wolfgang Denk53677ef2008-05-20 16:00:29 +020076 AT91C_PIO_PC2 | AT91C_PIO_PC3;
wdenkbe6b6e42005-04-01 15:18:44 +000077
78 /*
79 * On CMC-PU2 board configure PB3-PB6 to input without pull ups to
80 * clear the duo LEDs (the external pull downs assure a proper
Wolfgang Denk601aed12005-08-19 00:08:55 +020081 * signal). On CMC-BASIC and CMC-HP-BASIC set PB3-PB6 to output and
82 * drive it high, to configure current measurement on AINx.
wdenkbe6b6e42005-04-01 15:18:44 +000083 */
84 if (hw_detect() & CMC_PU2) {
85 piob->PIO_ODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
86 AT91C_PIO_PB5 | AT91C_PIO_PB6;
87 }
Wolfgang Denk601aed12005-08-19 00:08:55 +020088 else if ((hw_detect() & CMC_BASIC) || (hw_detect() & CMC_HP_BASIC)) {
wdenkbe6b6e42005-04-01 15:18:44 +000089 piob->PIO_SODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
90 AT91C_PIO_PB5 | AT91C_PIO_PB6;
91 piob->PIO_OER = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
92 AT91C_PIO_PB5 | AT91C_PIO_PB6;
93 }
94 piob->PIO_PPUDR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
95 AT91C_PIO_PB5 | AT91C_PIO_PB6;
96 piob->PIO_PER = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
97 AT91C_PIO_PB5 | AT91C_PIO_PB6;
98
99 /*
100 * arch number of CMC_PU2-Board. MACH_TYPE_CMC_PU2 is not supported in
101 * the linuxarm kernel, yet.
102 */
wdenk9d5028c2004-11-21 00:06:33 +0000103 /* gd->bd->bi_arch_number = MACH_TYPE_CMC_PU2; */
104 gd->bd->bi_arch_number = 251;
105 /* adress of boot parameters */
106 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
107
108 return 0;
109}
110
111int dram_init (void)
112{
wdenk9d5028c2004-11-21 00:06:33 +0000113 gd->bd->bi_dram[0].start = PHYS_SDRAM;
114 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
115 return 0;
116}
wdenkbe6b6e42005-04-01 15:18:44 +0000117
118int checkboard (void)
119{
120 if (hw_detect() & CMC_PU2)
121 puts ("Board: CMC-PU2 (Rittal GmbH)\n");
122 else if (hw_detect() & CMC_BASIC)
123 puts ("Board: CMC-BASIC (Rittal GmbH)\n");
Wolfgang Denk601aed12005-08-19 00:08:55 +0200124 else if (hw_detect() & CMC_HP_BASIC)
125 puts ("Board: CMC-HP-BASIC (Rittal GmbH)\n");
wdenkbe6b6e42005-04-01 15:18:44 +0000126 else
127 puts ("Board: unknown\n");
128 return 0;
129}
130
131int hw_detect (void)
132{
133 AT91PS_PIO pio = AT91C_BASE_PIOB;
134
135 /* PIOB clock enabling */
136 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
137
138 /* configure PB12 as input without pull up */
139 pio->PIO_ODR = AT91C_PIO_PB12;
140 pio->PIO_PPUDR = AT91C_PIO_PB12;
141 pio->PIO_PER = AT91C_PIO_PB12;
Wolfgang Denk6617aae2005-08-19 00:46:54 +0200142
Wolfgang Denk601aed12005-08-19 00:08:55 +0200143 /* configure PB13 as input without pull up */
144 pio->PIO_ODR = AT91C_PIO_PB13;
145 pio->PIO_PPUDR = AT91C_PIO_PB13;
146 pio->PIO_PER = AT91C_PIO_PB13;
wdenkbe6b6e42005-04-01 15:18:44 +0000147
148 /* read board identification pin */
Wolfgang Denk601aed12005-08-19 00:08:55 +0200149 if (pio->PIO_PDSR & AT91C_PIO_PB12)
150 return ((pio->PIO_PDSR & AT91C_PIO_PB13)
151 ? CMC_PU2 : 0);
152 else
153 return ((pio->PIO_PDSR & AT91C_PIO_PB13)
154 ? CMC_HP_BASIC : CMC_BASIC);
wdenkbe6b6e42005-04-01 15:18:44 +0000155}
Wolfgang Denk080bdb72005-10-05 01:51:29 +0200156
157#ifdef CONFIG_DRIVER_ETHER
Jon Loeligerfcec2eb2007-07-09 18:19:09 -0500158#if defined(CONFIG_CMD_NET)
Wolfgang Denk080bdb72005-10-05 01:51:29 +0200159
160/*
161 * Name:
162 * at91rm9200_GetPhyInterface
163 * Description:
164 * Initialise the interface functions to the PHY
165 * Arguments:
166 * None
167 * Return value:
168 * None
169 */
170void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops)
171{
172 p_phyops->Init = dm9161_InitPhy;
173 p_phyops->IsPhyConnected = dm9161_IsPhyConnected;
174 p_phyops->GetLinkSpeed = dm9161_GetLinkSpeed;
175 p_phyops->AutoNegotiate = dm9161_AutoNegotiate;
176}
177
Jon Loeligerfcec2eb2007-07-09 18:19:09 -0500178#endif
Wolfgang Denk080bdb72005-10-05 01:51:29 +0200179#endif /* CONFIG_DRIVER_ETHER */