mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 23:47:24 +00:00
89973f8a82
This addresses all drivers whose initializers have already been moved to board_eth_init()/cpu_eth_init(). Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/*
|
|
* Copyright (C) 2008 Miromico AG
|
|
*
|
|
* Mostly copied form atmel ATNGW100 sources
|
|
*
|
|
* 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 "../cpu/at32ap/at32ap700x/sm.h"
|
|
|
|
#include <common.h>
|
|
#include <netdev.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/sdram.h>
|
|
#include <asm/arch/clk.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/hmatrix.h>
|
|
#include <asm/arch/memory-map.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static const struct sdram_config sdram_config = {
|
|
.data_bits = SDRAM_DATA_32BIT,
|
|
.row_bits = 13,
|
|
.col_bits = 9,
|
|
.bank_bits = 2,
|
|
.cas = 3,
|
|
.twr = 2,
|
|
.trc = 7,
|
|
.trp = 2,
|
|
.trcd = 2,
|
|
.tras = 5,
|
|
.txsr = 5,
|
|
/* 7.81 us */
|
|
.refresh_period = (781 * (SDRAMC_BUS_HZ / 1000)) / 100000,
|
|
};
|
|
|
|
#ifdef CONFIG_CMD_NET
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
return macb_eth_initialize(0, (void *)MACB0_BASE, bis->bi_phy_id[0]);
|
|
}
|
|
#endif
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
/* Enable SDRAM in the EBI mux */
|
|
hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
|
|
|
|
gpio_enable_ebi();
|
|
gpio_enable_usart1();
|
|
|
|
#if defined(CONFIG_MACB)
|
|
gpio_enable_macb0();
|
|
#endif
|
|
#if defined(CONFIG_MMC)
|
|
gpio_enable_mmci();
|
|
#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;
|
|
}
|
|
|
|
void board_init_info(void)
|
|
{
|
|
gd->bd->bi_phy_id[0] = 0x01;
|
|
}
|
|
|
|
void gclk_init(void)
|
|
{
|
|
/* Hammerhead boards uses GCLK3 as 25MHz output to ethernet PHY */
|
|
|
|
/* Select GCLK3 peripheral function */
|
|
gpio_select_periph_A(GPIO_PIN_PB29, 0);
|
|
|
|
/* Enable GCLK3 with no input divider, from OSC0 (crystal) */
|
|
sm_writel(PM_GCCTRL(3), SM_BIT(CEN));
|
|
}
|