mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 11:18:28 +00:00
144 lines
4.1 KiB
C
144 lines
4.1 KiB
C
/*
|
|
* (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>
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
/*
|
|
* Miscelaneous platform dependent initialisations
|
|
*/
|
|
|
|
int board_init (void)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/* 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_AT91RM9200;
|
|
/* adress of boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init (void)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
gd->bd->bi_dram[0].start = PHYS_SDRAM;
|
|
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_DRIVER_ETHER
|
|
#if (CONFIG_COMMANDS & CFG_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 /* CONFIG_COMMANDS & CFG_CMD_NET */
|
|
#endif /* CONFIG_DRIVER_ETHER */
|
|
|
|
/*
|
|
* Disk On Chip (NAND) Millenium initialization.
|
|
* The NAND lives in the CS2* space
|
|
*/
|
|
#if (CONFIG_COMMANDS & CFG_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
|