mirror of
https://github.com/smaeul/u-boot.git
synced 2025-09-14 22:16:03 +01:00
03de305ec4
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2017 Beckhoff Automation GmbH & Co. KG
|
|
* Patrick Bruenn <p.bruenn@beckhoff.com>
|
|
*/
|
|
|
|
#include <init.h>
|
|
#include <asm/global_data.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
phys_size_t get_effective_memsize(void)
|
|
{
|
|
/*
|
|
* WARNING: We must override get_effective_memsize() function here
|
|
* to report only the size of the first DRAM bank. This is to make
|
|
* U-Boot relocator place U-Boot into valid memory, that is, at the
|
|
* end of the first DRAM bank. If we did not override this function
|
|
* like so, U-Boot would be placed at the address of the first DRAM
|
|
* bank + total DRAM size - sizeof(uboot), which in the setup where
|
|
* each DRAM bank contains 512MiB of DRAM would result in placing
|
|
* U-Boot into invalid memory area close to the end of the first
|
|
* DRAM bank.
|
|
*/
|
|
return get_ram_size((void *)PHYS_SDRAM_1, 1 << 30);
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30);
|
|
gd->ram_size += get_ram_size((void *)PHYS_SDRAM_2, 1 << 30);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init_banksize(void)
|
|
{
|
|
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
|
|
gd->bd->bi_dram[0].size = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30);
|
|
|
|
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
|
|
gd->bd->bi_dram[1].size = get_ram_size((void *)PHYS_SDRAM_2, 1 << 30);
|
|
|
|
return 0;
|
|
}
|