mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
cb54732052
Conflicts: board/atmel/atngw100/atngw100.c board/atmel/atstk1000/atstk1000.c cpu/at32ap/at32ap700x/gpio.c include/asm-avr32/arch-at32ap700x/clk.h include/configs/atngw100.h include/configs/atstk1002.h include/configs/atstk1003.h include/configs/atstk1004.h include/configs/atstk1006.h include/configs/favr-32-ezkit.h include/configs/hammerhead.h include/configs/mimc200.h
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/*
|
|
* Copyright (C) 2008 Atmel Corporation
|
|
*
|
|
* 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 <asm/sdram.h>
|
|
#include <asm/arch/clk.h>
|
|
#include <asm/arch/hmatrix.h>
|
|
#include <asm/arch/portmux.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static const struct sdram_config sdram_config = {
|
|
/* MT48LC4M32B2P-6 (16 MB) */
|
|
.data_bits = SDRAM_DATA_32BIT,
|
|
.row_bits = 12,
|
|
.col_bits = 8,
|
|
.bank_bits = 2,
|
|
.cas = 3,
|
|
.twr = 2,
|
|
.trc = 7,
|
|
.trp = 2,
|
|
.trcd = 2,
|
|
.tras = 5,
|
|
.txsr = 5,
|
|
/* 15.6 us */
|
|
.refresh_period = (156 * (SDRAMC_BUS_HZ / 1000)) / 10000,
|
|
};
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
/* Enable SDRAM in the EBI mux */
|
|
hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
|
|
|
|
portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH);
|
|
portmux_enable_usart3(PORTMUX_DRIVE_MIN);
|
|
#if defined(CONFIG_MACB)
|
|
portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH);
|
|
#endif
|
|
#if defined(CONFIG_MMC)
|
|
portmux_enable_mmci(0, PORTMUX_MMCI_4BIT, PORTMUX_DRIVE_LOW);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
phys_size_t initdram(int board_type)
|
|
{
|
|
unsigned long expected_size;
|
|
unsigned long actual_size;
|
|
void *sdram_base;
|
|
|
|
sdram_base = map_physmem(EBI_SDRAM_BASE, EBI_SDRAM_SIZE, MAP_NOCACHE);
|
|
|
|
expected_size = sdram_init(sdram_base, &sdram_config);
|
|
actual_size = get_ram_size(sdram_base, expected_size);
|
|
|
|
unmap_physmem(sdram_base, EBI_SDRAM_SIZE);
|
|
|
|
if (expected_size != actual_size)
|
|
printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
|
|
actual_size >> 20, expected_size >> 20);
|
|
|
|
return actual_size;
|
|
}
|
|
|
|
int board_early_init_r(void)
|
|
{
|
|
gd->bd->bi_phy_id[0] = 0x01;
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_MACB) && defined(CONFIG_CMD_NET)
|
|
int board_eth_init(bd_t *bi)
|
|
{
|
|
return macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
|
|
}
|
|
#endif
|