mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 22:20:45 +00:00
179 lines
4.9 KiB
C
179 lines
4.9 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
|
|
* Marius Groeger <mgroeger@sysgo.de>
|
|
*
|
|
* Modified for CMC_PU2 (removed Smart Media support) by Gary Jennejohn
|
|
* (2004) garyj@denx.de
|
|
*
|
|
* Modified for CMC_BASIC by Martin Krause (2005), TQ-Systems GmbH
|
|
*
|
|
* 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/mach-types.h>
|
|
#include <asm/arch/AT91RM9200.h>
|
|
#include <at91rm9200_net.h>
|
|
#include <dm9161.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
/*
|
|
* Miscelaneous platform dependent initialisations
|
|
*/
|
|
#define CMC_HP_BASIC 1
|
|
#define CMC_PU2 2
|
|
#define CMC_BASIC 4
|
|
|
|
int hw_detect (void);
|
|
|
|
int board_init (void)
|
|
{
|
|
AT91PS_PIO piob = AT91C_BASE_PIOB;
|
|
AT91PS_PIO pioc = AT91C_BASE_PIOC;
|
|
|
|
/* 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 */
|
|
|
|
/* PIOB and PIOC clock enabling */
|
|
*AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
|
|
*AT91C_PMC_PCER = 1 << AT91C_ID_PIOC;
|
|
|
|
/*
|
|
* configure PC0-PC3 as input without pull ups, so RS485 driver enable
|
|
* (CMC-PU2) and digital outputs (CMC-BASIC) are deactivated.
|
|
*/
|
|
pioc->PIO_ODR = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
|
|
AT91C_PIO_PC2 | AT91C_PIO_PC3;
|
|
pioc->PIO_PPUDR = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
|
|
AT91C_PIO_PC2 | AT91C_PIO_PC3;
|
|
pioc->PIO_PER = AT91C_PIO_PC0 | AT91C_PIO_PC1 |
|
|
AT91C_PIO_PC2 | AT91C_PIO_PC3;
|
|
|
|
/*
|
|
* On CMC-PU2 board configure PB3-PB6 to input without pull ups to
|
|
* clear the duo LEDs (the external pull downs assure a proper
|
|
* signal). On CMC-BASIC and CMC-HP-BASIC set PB3-PB6 to output and
|
|
* drive it high, to configure current measurement on AINx.
|
|
*/
|
|
if (hw_detect() & CMC_PU2) {
|
|
piob->PIO_ODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
|
|
AT91C_PIO_PB5 | AT91C_PIO_PB6;
|
|
}
|
|
else if ((hw_detect() & CMC_BASIC) || (hw_detect() & CMC_HP_BASIC)) {
|
|
piob->PIO_SODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
|
|
AT91C_PIO_PB5 | AT91C_PIO_PB6;
|
|
piob->PIO_OER = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
|
|
AT91C_PIO_PB5 | AT91C_PIO_PB6;
|
|
}
|
|
piob->PIO_PPUDR = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
|
|
AT91C_PIO_PB5 | AT91C_PIO_PB6;
|
|
piob->PIO_PER = AT91C_PIO_PB3 | AT91C_PIO_PB4 |
|
|
AT91C_PIO_PB5 | AT91C_PIO_PB6;
|
|
|
|
/*
|
|
* arch number of CMC_PU2-Board. MACH_TYPE_CMC_PU2 is not supported in
|
|
* the linuxarm kernel, yet.
|
|
*/
|
|
/* gd->bd->bi_arch_number = MACH_TYPE_CMC_PU2; */
|
|
gd->bd->bi_arch_number = 251;
|
|
/* adress of boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init (void)
|
|
{
|
|
gd->bd->bi_dram[0].start = PHYS_SDRAM;
|
|
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
|
|
return 0;
|
|
}
|
|
|
|
int checkboard (void)
|
|
{
|
|
if (hw_detect() & CMC_PU2)
|
|
puts ("Board: CMC-PU2 (Rittal GmbH)\n");
|
|
else if (hw_detect() & CMC_BASIC)
|
|
puts ("Board: CMC-BASIC (Rittal GmbH)\n");
|
|
else if (hw_detect() & CMC_HP_BASIC)
|
|
puts ("Board: CMC-HP-BASIC (Rittal GmbH)\n");
|
|
else
|
|
puts ("Board: unknown\n");
|
|
return 0;
|
|
}
|
|
|
|
int hw_detect (void)
|
|
{
|
|
AT91PS_PIO pio = AT91C_BASE_PIOB;
|
|
|
|
/* PIOB clock enabling */
|
|
*AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
|
|
|
|
/* configure PB12 as input without pull up */
|
|
pio->PIO_ODR = AT91C_PIO_PB12;
|
|
pio->PIO_PPUDR = AT91C_PIO_PB12;
|
|
pio->PIO_PER = AT91C_PIO_PB12;
|
|
|
|
/* configure PB13 as input without pull up */
|
|
pio->PIO_ODR = AT91C_PIO_PB13;
|
|
pio->PIO_PPUDR = AT91C_PIO_PB13;
|
|
pio->PIO_PER = AT91C_PIO_PB13;
|
|
|
|
/* read board identification pin */
|
|
if (pio->PIO_PDSR & AT91C_PIO_PB12)
|
|
return ((pio->PIO_PDSR & AT91C_PIO_PB13)
|
|
? CMC_PU2 : 0);
|
|
else
|
|
return ((pio->PIO_PDSR & AT91C_PIO_PB13)
|
|
? CMC_HP_BASIC : CMC_BASIC);
|
|
}
|
|
|
|
#ifdef CONFIG_DRIVER_ETHER
|
|
#if defined(CONFIG_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
|
|
#endif /* CONFIG_DRIVER_ETHER */
|