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/*
* Board file for the VInCo platform
* Based on the the SAMA5-EK board file
* Configuration settings for the VInCo platform.
* Copyright (C) 2014 Atmel
* Bo Shen <voice.shen@atmel.com>
* Copyright (C) 2015 Free Electrons
* Gregory CLEMENT <gregory.clement@free-electrons.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/atmel_mpddrc.h>
#include <asm/arch/atmel_usba_udc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/clk.h>
#include <asm/arch/sama5d3_smc.h>
#include <asm/arch/sama5d4.h>
#include <atmel_hlcdc.h>
#include <atmel_mci.h>
#include <lcd.h>
#include <mmc.h>
#include <net.h>
#include <netdev.h>
#include <nand.h>
#include <spi.h>
#include <version.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_ATMEL_SPI
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
return bus == 0 && cs == 0;
}
void spi_cs_activate(struct spi_slave *slave)
{
at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
}
void spi_cs_deactivate(struct spi_slave *slave)
{
at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
}
static void vinco_spi0_hw_init(void)
{
at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* SPI0_MISO */
at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* SPI0_MOSI */
at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* SPI0_SPCK */
at91_set_pio_output(AT91_PIO_PORTC, 3, 1); /* SPI0_CS0 */
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_SPI0);
}
#endif /* CONFIG_ATMEL_SPI */
#ifdef CONFIG_CMD_USB
static void vinco_usb_hw_init(void)
{
at91_set_pio_output(AT91_PIO_PORTE, 11, 0);
at91_set_pio_output(AT91_PIO_PORTE, 12, 0);
at91_set_pio_output(AT91_PIO_PORTE, 10, 0);
}
#endif
#ifdef CONFIG_GENERIC_ATMEL_MCI
void vinco_mci0_hw_init(void)
{
at91_set_b_periph(AT91_PIO_PORTC, 5, 1); /* MCI0 CDA */
at91_set_b_periph(AT91_PIO_PORTC, 6, 1); /* MCI0 DA0 */
at91_set_b_periph(AT91_PIO_PORTC, 7, 1); /* MCI0 DA1 */
at91_set_b_periph(AT91_PIO_PORTC, 8, 1); /* MCI0 DA2 */
at91_set_b_periph(AT91_PIO_PORTC, 9, 1); /* MCI0 DA3 */
at91_set_b_periph(AT91_PIO_PORTC, 10, 1); /* MCI0 DA4 */
at91_set_b_periph(AT91_PIO_PORTC, 11, 1); /* MCI0 DA5 */
at91_set_b_periph(AT91_PIO_PORTC, 12, 1); /* MCI0 DA6 */
at91_set_b_periph(AT91_PIO_PORTC, 13, 1); /* MCI0 DA7 */
at91_set_b_periph(AT91_PIO_PORTC, 4, 0); /* MCI0 CLK */
/*
* As the mci io internal pull down is too strong, so if the io needs
* external pull up, the pull up resistor will be very small, if so
* the power consumption will increase, so disable the interanl pull
* down to save the power.
*/
at91_set_pio_pulldown(AT91_PIO_PORTC, 4, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 5, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 6, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 7, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 8, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 9, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 10, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 11, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 12, 0);
at91_set_pio_pulldown(AT91_PIO_PORTC, 13, 0);
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_MCI0);
}
int board_mmc_init(bd_t *bis)
{
/* Enable power for MCI0 interface */
at91_set_pio_output(AT91_PIO_PORTE, 7, 1);
return atmel_mci_init((void *)ATMEL_BASE_MCI0);
}
#endif /* CONFIG_GENERIC_ATMEL_MCI */
#ifdef CONFIG_MACB
void vinco_macb0_hw_init(void)
{
at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ETXCK_EREFCK */
at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* ERXDV */
at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ERX0 */
at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ERX1 */
at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ERXER */
at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ETXEN */
at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX0 */
at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ETX1 */
at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* EMDIO */
at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* EMDC */
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_GMAC0);
/* Enable Phy*/
at91_set_pio_output(AT91_PIO_PORTE, 8, 1);
}
#endif
static void vinco_serial3_hw_init(void)
{
at91_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
at91_set_b_periph(AT91_PIO_PORTE, 16, 0); /* RXD3 */
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_USART3);
}
int board_early_init_f(void)
{
at91_periph_clk_enable(ATMEL_ID_PIOA);
at91_periph_clk_enable(ATMEL_ID_PIOB);
at91_periph_clk_enable(ATMEL_ID_PIOC);
at91_periph_clk_enable(ATMEL_ID_PIOD);
at91_periph_clk_enable(ATMEL_ID_PIOE);
vinco_serial3_hw_init();
return 0;
}
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
#ifdef CONFIG_ATMEL_SPI
vinco_spi0_hw_init();
#endif
#ifdef CONFIG_GENERIC_ATMEL_MCI
vinco_mci0_hw_init();
#endif
#ifdef CONFIG_MACB
vinco_macb0_hw_init();
#endif
#ifdef CONFIG_CMD_USB
vinco_usb_hw_init();
#endif
#ifdef CONFIG_USB_GADGET_ATMEL_USBA
at91_udp_hw_init();
#endif
return 0;
}
int dram_init(void)
{
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
CONFIG_SYS_SDRAM_SIZE);
return 0;
}
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_MACB
rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
#endif
#ifdef CONFIG_USB_GADGET_ATMEL_USBA
usba_udc_probe(&pdata);
#ifdef CONFIG_USB_ETH_RNDIS
usb_eth_initialize(bis);
#endif
#endif
return rc;
}
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