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