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/*
* (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>
#include <asm/io.h>
#include "arm-ebi.h"
#include "integrator-sc.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)
{
u32 val;
/* 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
#ifdef CONFIG_ARCH_CINTEGRATOR
/*
* Flash protection on the Integrator/CP is in a simple register
*/
val = readl(CP_FLASHPROG);
val |= (CP_FLASHPROG_FLVPPEN | CP_FLASHPROG_FLWREN);
writel(val, CP_FLASHPROG);
#else
/*
* The Integrator/AP has some special protection mechanisms
* for the external memories, first the External Bus Interface (EBI)
* then the system controller (SC).
*
* The system comes up with the flash memory non-writable and
* configuration locked. If we want U-Boot to be used for flash
* access we cannot have the flash memory locked.
*/
writel(EBI_UNLOCK_MAGIC, EBI_BASE + EBI_LOCK_REG);
val = readl(EBI_BASE + EBI_CSR1_REG);
val &= EBI_CSR_WREN_MASK;
val |= EBI_CSR_WREN_ENABLE;
writel(val, EBI_BASE + EBI_CSR1_REG);
writel(0, EBI_BASE + EBI_LOCK_REG);
/*
* Set up the system controller to remove write protection from
* the flash memory and enable Vpp
*/
writel(SC_CTRL_FLASHVPP | SC_CTRL_FLASHWP, SC_CTRLS);
#endif
icache_enable ();
return 0;
}
int misc_init_r (void)
{
setenv("verify", "n");
return (0);
}
/*
* The Integrator remaps the Flash memory to 0x00000000 and executes U-Boot
* from there, which means we cannot test the RAM underneath the ROM at this
* point. It will be unmapped later on, when we are executing from the
* relocated in RAM U-Boot. We simply assume that this RAM is usable if the
* RAM on higher addresses works fine.
*/
#define REMAPPED_FLASH_SZ 0x40000
int dram_init (void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
#ifdef CONFIG_CM_SPD_DETECT
{
extern void dram_query(void);
u32 cm_reg_sdram;
u32 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 = readl(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->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE +
REMAPPED_FLASH_SZ,
0x01000000 << sdram_shift);
}
#else
gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE +
REMAPPED_FLASH_SZ,
PHYS_SDRAM_1_SIZE);
#endif /* CM_SPD_DETECT */
/* We only have one bank of RAM, set it to whatever was detected */
gd->bd->bi_dram[0].size = gd->ram_size;
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
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