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/*
* Copyright (C) 2006 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 <asm/io.h>
#include <asm/sdram.h>
#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
#include <asm/arch/hmatrix.h>
#include <lcd.h>
#define SM_PM_GCCTRL 0x0060
DECLARE_GLOBAL_DATA_PTR;
static const struct sdram_config sdram_config = {
.data_bits = SDRAM_DATA_16BIT,
.row_bits = 13,
.col_bits = 9,
.bank_bits = 2,
.cas = 3,
.twr = 2,
.trc = 6,
.trp = 2,
.trcd = 2,
.tras = 6,
.txsr = 6,
/* 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));
gpio_enable_ebi();
gpio_enable_usart1();
/* enable higher address lines for larger flash devices */
gpio_select_periph_A(GPIO_PIN_PE16, 0); /* ADDR23 */
gpio_select_periph_A(GPIO_PIN_PE17, 0); /* ADDR24 */
gpio_select_periph_A(GPIO_PIN_PE18, 0); /* ADDR25 */
/* enable data flash chip select */
gpio_select_periph_A(GPIO_PIN_PE25, 0); /* NCS2 */
/* de-assert "force sys reset" pin */
gpio_set_value(GPIO_PIN_PD15, 1); /* FORCE RESET */
gpio_select_pio(GPIO_PIN_PD15, GPIOF_OUTPUT);
/* init custom i/o */
/* cpu type inputs */
gpio_select_pio(GPIO_PIN_PE19, 0);
gpio_select_pio(GPIO_PIN_PE20, 0);
gpio_select_pio(GPIO_PIN_PE23, 0);
/* main board type inputs */
gpio_select_pio(GPIO_PIN_PB19, 0);
gpio_select_pio(GPIO_PIN_PB29, 0);
/* DEBUG input (use weak pullup) */
gpio_select_pio(GPIO_PIN_PE21, GPIOF_PULLUP);
/* are we suppressing the console ? */
if (gpio_get_value(GPIO_PIN_PE21) == 1)
gd->flags |= GD_FLG_SILENT;
/* reset phys */
gpio_select_pio(GPIO_PIN_PE24, 0);
gpio_set_value(GPIO_PIN_PC18, 1); /* PHY RESET */
gpio_select_pio(GPIO_PIN_PC18, GPIOF_OUTPUT);
/* GCLK0 - 10MHz clock */
writel(0x00000004, (void *)SM_BASE + SM_PM_GCCTRL);
gpio_select_periph_A(GPIO_PIN_PA30, 0);
udelay(5000);
/* release phys reset */
gpio_set_value(GPIO_PIN_PC18, 0); /* PHY RESET (Release) */
#if defined(CONFIG_MACB)
/* init macb0 pins */
gpio_select_periph_A(GPIO_PIN_PC3, 0); /* TXD0 */
gpio_select_periph_A(GPIO_PIN_PC4, 0); /* TXD1 */
gpio_select_periph_A(GPIO_PIN_PC7, 0); /* TXEN */
gpio_select_periph_A(GPIO_PIN_PC8, 0); /* TXCK */
gpio_select_periph_A(GPIO_PIN_PC9, 0); /* RXD0 */
gpio_select_periph_A(GPIO_PIN_PC10, 0); /* RXD1 */
gpio_select_periph_A(GPIO_PIN_PC13, 0); /* RXER */
gpio_select_periph_A(GPIO_PIN_PC15, 0); /* RXDV */
gpio_select_periph_A(GPIO_PIN_PC16, 0); /* MDC */
gpio_select_periph_A(GPIO_PIN_PC17, 0); /* MDIO */
#if !defined(CONFIG_RMII)
gpio_select_periph_A(GPIO_PIN_PC0, 0); /* COL */
gpio_select_periph_A(GPIO_PIN_PC1, 0); /* CRS */
gpio_select_periph_A(GPIO_PIN_PC2, 0); /* TXER */
gpio_select_periph_A(GPIO_PIN_PC5, 0); /* TXD2 */
gpio_select_periph_A(GPIO_PIN_PC6, 0); /* TXD3 */
gpio_select_periph_A(GPIO_PIN_PC11, 0); /* RXD2 */
gpio_select_periph_A(GPIO_PIN_PC12, 0); /* RXD3 */
gpio_select_periph_A(GPIO_PIN_PC14, 0); /* RXCK */
#endif
/* init macb1 pins */
gpio_select_periph_B(GPIO_PIN_PD13, 0); /* TXD0 */
gpio_select_periph_B(GPIO_PIN_PD14, 0); /* TXD1 */
gpio_select_periph_B(GPIO_PIN_PD11, 0); /* TXEN */
gpio_select_periph_B(GPIO_PIN_PD12, 0); /* TXCK */
gpio_select_periph_B(GPIO_PIN_PD10, 0); /* RXD0 */
gpio_select_periph_B(GPIO_PIN_PD6, 0); /* RXD1 */
gpio_select_periph_B(GPIO_PIN_PD5, 0); /* RXER */
gpio_select_periph_B(GPIO_PIN_PD4, 0); /* RXDV */
gpio_select_periph_B(GPIO_PIN_PD3, 0); /* MDC */
gpio_select_periph_B(GPIO_PIN_PD2, 0); /* MDIO */
#if !defined(CONFIG_RMII)
gpio_select_periph_B(GPIO_PIN_PC19, 0); /* COL */
gpio_select_periph_B(GPIO_PIN_PC23, 0); /* CRS */
gpio_select_periph_B(GPIO_PIN_PC26, 0); /* TXER */
gpio_select_periph_B(GPIO_PIN_PC27, 0); /* TXD2 */
gpio_select_periph_B(GPIO_PIN_PC28, 0); /* TXD3 */
gpio_select_periph_B(GPIO_PIN_PC29, 0); /* RXD2 */
gpio_select_periph_B(GPIO_PIN_PC30, 0); /* RXD3 */
gpio_select_periph_B(GPIO_PIN_PC24, 0); /* RXCK */
#endif
#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;
gd->bd->bi_phy_id[1] = 0x03;
}
/* SPI chip select control */
#ifdef CONFIG_ATMEL_SPI
#include <spi.h>
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
return (bus == 0) && (cs == 0);
}
void spi_cs_activate(struct spi_slave *slave)
{
}
void spi_cs_deactivate(struct spi_slave *slave)
{
}
#endif /* CONFIG_ATMEL_SPI */
#ifdef CONFIG_CMD_NET
extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
int board_eth_init(bd_t *bi)
{
macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
macb_eth_initialize(1, (void *)MACB1_BASE, bi->bi_phy_id[1]);
return 0;
}
#endif
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