3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <asm/arch/AT91RM9200.h>
31 #if defined(CONFIG_DRIVER_ETHER)
32 #include <at91rm9200_net.h>
36 DECLARE_GLOBAL_DATA_PTR;
38 /* ------------------------------------------------------------------------- */
40 * Miscelaneous platform dependent initialisations
48 /* Correct IRDA resistor problem */
49 /* Set PA23_TXD in Output */
50 ((AT91PS_PIO) AT91C_BASE_PIOA)->PIO_OER = AT91C_PA23_TXD2;
52 /* memory and cpu-speed are setup before relocation */
53 /* so we do _nothing_ here */
55 /* arch number of AT91RM9200DK-Board */
56 gd->bd->bi_arch_number = MACH_TYPE_AT91RM9200DK;
57 /* adress of boot parameters */
58 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
63 void board_reset (void)
65 AT91PS_PIO pio = AT91C_BASE_PIOA;
67 /* Clear PA19 to trigger the hard reset */
68 writel(0x00080000, pio->PIO_CODR);
69 writel(0x00080000, pio->PIO_OER);
70 writel(0x00080000, pio->PIO_PER);
75 gd->bd->bi_dram[0].start = PHYS_SDRAM;
76 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
80 #ifdef CONFIG_DRIVER_ETHER
81 #if defined(CONFIG_CMD_NET)
85 * at91rm9200_GetPhyInterface
87 * Initialise the interface functions to the PHY
93 void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops)
95 p_phyops->Init = dm9161_InitPhy;
96 p_phyops->IsPhyConnected = dm9161_IsPhyConnected;
97 p_phyops->GetLinkSpeed = dm9161_GetLinkSpeed;
98 p_phyops->AutoNegotiate = dm9161_AutoNegotiate;
102 #endif /* CONFIG_DRIVER_ETHER */
104 #ifdef CONFIG_DRIVER_AT91EMAC
105 int board_eth_init(bd_t *bis)
108 rc = at91emac_register(bis, 0);
114 * Disk On Chip (NAND) Millenium initialization.
115 * The NAND lives in the CS2* space
117 #if defined(CONFIG_CMD_NAND)
118 extern ulong nand_probe (ulong physadr);
120 #define AT91_SMARTMEDIA_BASE 0x40000000 /* physical address to access memory on NCS3 */
121 void nand_init (void)
123 /* Setup Smart Media, fitst enable the address range of CS3 */
124 *AT91C_EBI_CSA |= AT91C_EBI_CS3A_SMC_SmartMedia;
125 /* set the bus interface characteristics based on
126 tDS Data Set up Time 30 - ns
127 tDH Data Hold Time 20 - ns
128 tALS ALE Set up Time 20 - ns
129 16ns at 60 MHz ~= 3 */
130 /*memory mapping structures */
131 #define SM_ID_RWH (5 << 28)
132 #define SM_RWH (1 << 28)
133 #define SM_RWS (0 << 24)
134 #define SM_TDF (1 << 8)
136 AT91C_BASE_SMC2->SMC2_CSR[3] = (SM_RWH | SM_RWS |
137 AT91C_SMC2_ACSS_STANDARD | AT91C_SMC2_DBW_8 |
138 SM_TDF | AT91C_SMC2_WSEN | SM_NWS);
140 /* enable the SMOE line PC0=SMCE, A21=CLE, A22=ALE */
141 *AT91C_PIOC_ASR = AT91C_PC0_BFCK | AT91C_PC1_BFRDY_SMOE |
142 AT91C_PC3_BFBAA_SMWE;
143 *AT91C_PIOC_PDR = AT91C_PC0_BFCK | AT91C_PC1_BFRDY_SMOE |
144 AT91C_PC3_BFBAA_SMWE;
146 /* Configure PC2 as input (signal READY of the SmartMedia) */
147 *AT91C_PIOC_PER = AT91C_PC2_BFAVD; /* enable direct output enable */
148 *AT91C_PIOC_ODR = AT91C_PC2_BFAVD; /* disable output */
150 /* Configure PB1 as input (signal Card Detect of the SmartMedia) */
151 *AT91C_PIOB_PER = AT91C_PIO_PB1; /* enable direct output enable */
152 *AT91C_PIOB_ODR = AT91C_PIO_PB1; /* disable output */
154 /* PIOB and PIOC clock enabling */
155 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
156 *AT91C_PMC_PCER = 1 << AT91C_ID_PIOC;
158 if (*AT91C_PIOB_PDSR & AT91C_PIO_PB1)
159 printf (" No SmartMedia card inserted\n");
161 printf (" SmartMedia card inserted\n");
163 printf ("Probing at 0x%.8x\n", AT91_SMARTMEDIA_BASE);
165 printf ("%4lu MB\n", nand_probe(AT91_SMARTMEDIA_BASE) >> 20);