uboot/board/atmel/sama7g5ek/sama7g5ek.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2020 Microchip Technology, Inc.
   4 *                    Eugen Hristev <eugen.hristev@microchip.com>
   5 */
   6
   7#include <common.h>
   8#include <debug_uart.h>
   9#include <init.h>
  10#include <asm/global_data.h>
  11#include <asm/io.h>
  12#include <asm/arch/at91_common.h>
  13#include <asm/arch/atmel_pio4.h>
  14#include <asm/arch/clk.h>
  15#include <asm/arch/gpio.h>
  16#include <asm/arch/sama7g5.h>
  17
  18DECLARE_GLOBAL_DATA_PTR;
  19
  20int board_late_init(void)
  21{
  22        return 0;
  23}
  24
  25#if (IS_ENABLED(CONFIG_DEBUG_UART_BOARD_INIT))
  26static void board_uart0_hw_init(void)
  27{
  28        /* FLEXCOM3 IO0 */
  29        atmel_pio4_set_f_periph(AT91_PIO_PORTD, 17, ATMEL_PIO_PUEN_MASK);
  30        /* FLEXCOM3 IO1 */
  31        atmel_pio4_set_f_periph(AT91_PIO_PORTD, 16, 0);
  32
  33        at91_periph_clk_enable(ATMEL_ID_FLEXCOM3);
  34}
  35
  36void board_debug_uart_init(void)
  37{
  38        board_uart0_hw_init();
  39}
  40#endif
  41
  42int board_early_init_f(void)
  43{
  44#if (IS_ENABLED(CONFIG_DEBUG_UART))
  45        debug_uart_init();
  46#endif
  47        return 0;
  48}
  49
  50#define MAC24AA_MAC_OFFSET     0xfa
  51
  52#if (IS_ENABLED(CONFIG_MISC_INIT_R))
  53int misc_init_r(void)
  54{
  55#if (IS_ENABLED(CONFIG_I2C_EEPROM))
  56        at91_set_ethaddr(MAC24AA_MAC_OFFSET);
  57        at91_set_eth1addr(MAC24AA_MAC_OFFSET);
  58#endif
  59        return 0;
  60}
  61#endif
  62
  63int board_init(void)
  64{
  65        /* address of boot parameters */
  66        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  67
  68        return 0;
  69}
  70
  71int dram_init(void)
  72{
  73        gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
  74                                    CONFIG_SYS_SDRAM_SIZE);
  75        return 0;
  76}
  77
  78