u-boot-brain/board/atmel/sama7g5ek/sama7g5ek.c
Eugen Hristev a07d2a1121 board: atmel: sama7g5ek: add support for MAC address retreival
Obtain two MAC addresses from the two EEPROMs and configure the two
available Ethernet interfaces accordingly.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
2021-01-07 09:44:16 +02:00

77 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2020 Microchip Technology, Inc.
* Eugen Hristev <eugen.hristev@microchip.com>
*/
#include <common.h>
#include <debug_uart.h>
#include <init.h>
#include <asm/io.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/atmel_pio4.h>
#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
#include <asm/arch/sama7g5.h>
DECLARE_GLOBAL_DATA_PTR;
int board_late_init(void)
{
return 0;
}
#if (IS_ENABLED(CONFIG_DEBUG_UART_BOARD_INIT))
static void board_uart0_hw_init(void)
{
/* FLEXCOM3 IO0 */
atmel_pio4_set_f_periph(AT91_PIO_PORTD, 17, ATMEL_PIO_PUEN_MASK);
/* FLEXCOM3 IO1 */
atmel_pio4_set_f_periph(AT91_PIO_PORTD, 16, 0);
at91_periph_clk_enable(ATMEL_ID_FLEXCOM3);
}
void board_debug_uart_init(void)
{
board_uart0_hw_init();
}
#endif
int board_early_init_f(void)
{
#if (IS_ENABLED(CONFIG_DEBUG_UART))
debug_uart_init();
#endif
return 0;
}
#define MAC24AA_MAC_OFFSET 0xfa
#if (IS_ENABLED(CONFIG_MISC_INIT_R))
int misc_init_r(void)
{
#if (IS_ENABLED(CONFIG_I2C_EEPROM))
at91_set_ethaddr(MAC24AA_MAC_OFFSET);
at91_set_eth1addr(MAC24AA_MAC_OFFSET);
#endif
return 0;
}
#endif
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
return 0;
}
int dram_init(void)
{
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
CONFIG_SYS_SDRAM_SIZE);
return 0;
}