3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
6 * Modified for CMC_PU2 (removed Smart Media support) by Gary Jennejohn
9 * Modified for CMC_BASIC by Martin Krause (2005), TQ-Systems GmbH
11 * See file CREDITS for list of people who contributed to this
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.
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.
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,
31 #include <asm/mach-types.h>
32 #include <asm/arch/AT91RM9200.h>
35 #if defined(CONFIG_DRIVER_ETHER)
36 #include <at91rm9200_net.h>
40 DECLARE_GLOBAL_DATA_PTR;
42 /* ------------------------------------------------------------------------- */
44 * Miscelaneous platform dependent initialisations
46 #define CMC_HP_BASIC 1
54 AT91PS_PIO piob = AT91C_BASE_PIOB;
55 AT91PS_PIO pioc = AT91C_BASE_PIOC;
60 /* Correct IRDA resistor problem */
61 /* Set PA23_TXD in Output */
62 /* (AT91PS_PIO) AT91C_BASE_PIOA->PIO_OER = AT91C_PA23_TXD2; */
64 /* memory and cpu-speed are setup before relocation */
65 /* so we do _nothing_ here */
67 /* PIOB and PIOC clock enabling */
68 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
69 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOC;
72 * configure PC0-PC3 as input without pull ups, so RS485 driver enable
73 * (CMC-PU2) and digital outputs (CMC-BASIC) are deactivated.
75 pioc->PIO_ODR = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
76 AT91C_PIO_PC2 | AT91C_PIO_PC3;
77 pioc->PIO_PPUDR = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
78 AT91C_PIO_PC2 | AT91C_PIO_PC3;
79 pioc->PIO_PER = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
80 AT91C_PIO_PC2 | AT91C_PIO_PC3;
83 * On CMC-PU2 board configure PB3-PB6 to input without pull ups to
84 * clear the duo LEDs (the external pull downs assure a proper
85 * signal). On CMC-BASIC and CMC-HP-BASIC set PB3-PB6 to output and
86 * drive it high, to configure current measurement on AINx.
88 if (hw_detect() & CMC_PU2) {
89 piob->PIO_ODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
90 AT91C_PIO_PB5 | AT91C_PIO_PB6;
92 else if ((hw_detect() & CMC_BASIC) || (hw_detect() & CMC_HP_BASIC)) {
93 piob->PIO_SODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
94 AT91C_PIO_PB5 | AT91C_PIO_PB6;
95 piob->PIO_OER = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
96 AT91C_PIO_PB5 | AT91C_PIO_PB6;
98 piob->PIO_PPUDR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
99 AT91C_PIO_PB5 | AT91C_PIO_PB6;
100 piob->PIO_PER = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
101 AT91C_PIO_PB5 | AT91C_PIO_PB6;
104 * arch number of CMC_PU2-Board. MACH_TYPE_CMC_PU2 is not supported in
105 * the linuxarm kernel, yet.
107 /* gd->bd->bi_arch_number = MACH_TYPE_CMC_PU2; */
108 gd->bd->bi_arch_number = 251;
109 /* adress of boot parameters */
110 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
117 gd->bd->bi_dram[0].start = PHYS_SDRAM;
118 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
122 int checkboard (void)
124 if (hw_detect() & CMC_PU2)
125 puts ("Board: CMC-PU2 (Rittal GmbH)\n");
126 else if (hw_detect() & CMC_BASIC)
127 puts ("Board: CMC-BASIC (Rittal GmbH)\n");
128 else if (hw_detect() & CMC_HP_BASIC)
129 puts ("Board: CMC-HP-BASIC (Rittal GmbH)\n");
131 puts ("Board: unknown\n");
137 AT91PS_PIO pio = AT91C_BASE_PIOB;
139 /* PIOB clock enabling */
140 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
142 /* configure PB12 as input without pull up */
143 pio->PIO_ODR = AT91C_PIO_PB12;
144 pio->PIO_PPUDR = AT91C_PIO_PB12;
145 pio->PIO_PER = AT91C_PIO_PB12;
147 /* configure PB13 as input without pull up */
148 pio->PIO_ODR = AT91C_PIO_PB13;
149 pio->PIO_PPUDR = AT91C_PIO_PB13;
150 pio->PIO_PER = AT91C_PIO_PB13;
152 /* read board identification pin */
153 if (pio->PIO_PDSR & AT91C_PIO_PB12)
154 return ((pio->PIO_PDSR & AT91C_PIO_PB13)
157 return ((pio->PIO_PDSR & AT91C_PIO_PB13)
158 ? CMC_HP_BASIC : CMC_BASIC);
161 #ifdef CONFIG_DRIVER_ETHER
162 #if defined(CONFIG_CMD_NET)
166 * at91rm9200_GetPhyInterface
168 * Initialise the interface functions to the PHY
174 void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops)
176 p_phyops->Init = dm9161_InitPhy;
177 p_phyops->IsPhyConnected = dm9161_IsPhyConnected;
178 p_phyops->GetLinkSpeed = dm9161_GetLinkSpeed;
179 p_phyops->AutoNegotiate = dm9161_AutoNegotiate;
183 #endif /* CONFIG_DRIVER_ETHER */
185 #ifdef CONFIG_DRIVER_AT91EMAC
186 int board_eth_init(bd_t *bis)
189 rc = at91emac_register(bis, 0);