u-boot/board/armltd/integrator/integrator.c
Linus Walleij 26c82638c9 integratorap: support relocation
The integrator board was apparently never converted over to support
relocation until now. After this the integrator u-boot both compiles
and boots on the Integrator AP.

This also fixes the SDRAM memory size detection.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-09-03 22:40:45 +02:00

137 lines
3.2 KiB
C

/*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* (C) Copyright 2002
* David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
*
* (C) Copyright 2003
* Texas Instruments, <www.ti.com>
* Kshitij Gupta <Kshitij@ti.com>
*
* (C) Copyright 2004
* ARM Ltd.
* Philippe Robin, <philippe.robin@arm.com>
*
* 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 <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
void peripheral_power_enable (void);
#if defined(CONFIG_SHOW_BOOT_PROGRESS)
void show_boot_progress(int progress)
{
printf("Boot reached stage %d\n", progress);
}
#endif
#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
/*
* Miscellaneous platform dependent initialisations
*/
int board_init (void)
{
/* arch number of Integrator Board */
#ifdef CONFIG_ARCH_CINTEGRATOR
gd->bd->bi_arch_number = MACH_TYPE_CINTEGRATOR;
#else
gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR;
#endif
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x00000100;
gd->flags = 0;
#ifdef CONFIG_CM_REMAP
extern void cm_remap(void);
cm_remap(); /* remaps writeable memory to 0x00000000 */
#endif
icache_enable ();
return 0;
}
int misc_init_r (void)
{
#ifdef CONFIG_PCI
pci_init();
#endif
setenv("verify", "n");
return (0);
}
int dram_init (void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
#ifdef CONFIG_CM_SPD_DETECT
{
extern void dram_query(void);
unsigned long cm_reg_sdram;
unsigned long sdram_shift;
dram_query(); /* Assembler accesses to CM registers */
/* Queries the SPD values */
/* Obtain the SDRAM size from the CM SDRAM register */
cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
/* Register SDRAM size
*
* 0xXXXXXXbbb000bb 16 MB
* 0xXXXXXXbbb001bb 32 MB
* 0xXXXXXXbbb010bb 64 MB
* 0xXXXXXXbbb011bb 128 MB
* 0xXXXXXXbbb100bb 256 MB
*
*/
sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
0x01000000 << sdram_shift);
}
#else
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
PHYS_SDRAM_1_SIZE);
#endif /* CM_SPD_DETECT */
return 0;
}
#ifdef CONFIG_CMD_NET
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_SMC91111
rc = smc91111_initialize(0, CONFIG_SMC91111_BASE);
#endif
rc += pci_eth_init(bis);
return rc;
}
#endif