mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 20:13:39 +00:00
93ddc09da2
Set blue led on at boot time in order to highlight that u-boot is loaded. Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
85 lines
1.7 KiB
C
85 lines
1.7 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/global_data.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;
|
|
|
|
static void board_leds_init(void)
|
|
{
|
|
atmel_pio4_set_pio_output(AT91_PIO_PORTB, 8, 0); /* LED RED */
|
|
atmel_pio4_set_pio_output(AT91_PIO_PORTA, 13, 0); /* LED GREEN */
|
|
atmel_pio4_set_pio_output(AT91_PIO_PORTD, 20, 1); /* LED BLUE */
|
|
}
|
|
|
|
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;
|
|
|
|
board_leds_init();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
|
|
CONFIG_SYS_SDRAM_SIZE);
|
|
return 0;
|
|
}
|