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>
33 #include <at91rm9200_net.h>
36 /* ------------------------------------------------------------------------- */
38 * Miscelaneous platform dependent initialisations
40 #define CMC_HP_BASIC 1
48 DECLARE_GLOBAL_DATA_PTR;
49 AT91PS_PIO piob = AT91C_BASE_PIOB;
50 AT91PS_PIO pioc = AT91C_BASE_PIOC;
55 /* Correct IRDA resistor problem */
56 /* Set PA23_TXD in Output */
57 /* (AT91PS_PIO) AT91C_BASE_PIOA->PIO_OER = AT91C_PA23_TXD2; */
59 /* memory and cpu-speed are setup before relocation */
60 /* so we do _nothing_ here */
62 /* PIOB and PIOC clock enabling */
63 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
64 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOC;
67 * configure PC0-PC3 as input without pull ups, so RS485 driver enable
68 * (CMC-PU2) and digital outputs (CMC-BASIC) are deactivated.
70 pioc->PIO_ODR = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
71 AT91C_PIO_PC2 | AT91C_PIO_PC3;
72 pioc->PIO_PPUDR = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
73 AT91C_PIO_PC2 | AT91C_PIO_PC3;
74 pioc->PIO_PER = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
75 AT91C_PIO_PC2 | AT91C_PIO_PC3;
78 * On CMC-PU2 board configure PB3-PB6 to input without pull ups to
79 * clear the duo LEDs (the external pull downs assure a proper
80 * signal). On CMC-BASIC and CMC-HP-BASIC set PB3-PB6 to output and
81 * drive it high, to configure current measurement on AINx.
83 if (hw_detect() & CMC_PU2) {
84 piob->PIO_ODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
85 AT91C_PIO_PB5 | AT91C_PIO_PB6;
87 else if ((hw_detect() & CMC_BASIC) || (hw_detect() & CMC_HP_BASIC)) {
88 piob->PIO_SODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
89 AT91C_PIO_PB5 | AT91C_PIO_PB6;
90 piob->PIO_OER = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
91 AT91C_PIO_PB5 | AT91C_PIO_PB6;
93 piob->PIO_PPUDR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
94 AT91C_PIO_PB5 | AT91C_PIO_PB6;
95 piob->PIO_PER = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
96 AT91C_PIO_PB5 | AT91C_PIO_PB6;
99 * arch number of CMC_PU2-Board. MACH_TYPE_CMC_PU2 is not supported in
100 * the linuxarm kernel, yet.
102 /* gd->bd->bi_arch_number = MACH_TYPE_CMC_PU2; */
103 gd->bd->bi_arch_number = 251;
104 /* adress of boot parameters */
105 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
112 DECLARE_GLOBAL_DATA_PTR;
114 gd->bd->bi_dram[0].start = PHYS_SDRAM;
115 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
119 int checkboard (void)
121 if (hw_detect() & CMC_PU2)
122 puts ("Board: CMC-PU2 (Rittal GmbH)\n");
123 else if (hw_detect() & CMC_BASIC)
124 puts ("Board: CMC-BASIC (Rittal GmbH)\n");
125 else if (hw_detect() & CMC_HP_BASIC)
126 puts ("Board: CMC-HP-BASIC (Rittal GmbH)\n");
128 puts ("Board: unknown\n");
134 AT91PS_PIO pio = AT91C_BASE_PIOB;
136 /* PIOB clock enabling */
137 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
139 /* configure PB12 as input without pull up */
140 pio->PIO_ODR = AT91C_PIO_PB12;
141 pio->PIO_PPUDR = AT91C_PIO_PB12;
142 pio->PIO_PER = AT91C_PIO_PB12;
144 /* configure PB13 as input without pull up */
145 pio->PIO_ODR = AT91C_PIO_PB13;
146 pio->PIO_PPUDR = AT91C_PIO_PB13;
147 pio->PIO_PER = AT91C_PIO_PB13;
149 /* read board identification pin */
150 if (pio->PIO_PDSR & AT91C_PIO_PB12)
151 return ((pio->PIO_PDSR & AT91C_PIO_PB13)
154 return ((pio->PIO_PDSR & AT91C_PIO_PB13)
155 ? CMC_HP_BASIC : CMC_BASIC);
158 #ifdef CONFIG_DRIVER_ETHER
159 #if (CONFIG_COMMANDS & CFG_CMD_NET)
163 * at91rm9200_GetPhyInterface
165 * Initialise the interface functions to the PHY
171 void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops)
173 p_phyops->Init = dm9161_InitPhy;
174 p_phyops->IsPhyConnected = dm9161_IsPhyConnected;
175 p_phyops->GetLinkSpeed = dm9161_GetLinkSpeed;
176 p_phyops->AutoNegotiate = dm9161_AutoNegotiate;
179 #endif /* CONFIG_COMMANDS & CFG_CMD_NET */
180 #endif /* CONFIG_DRIVER_ETHER */