u-boot/arch/arm/cpu/armv7/socfpga/spl.c

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/*
* Copyright (C) 2012 Altera Corporation <www.altera.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/u-boot.h>
#include <asm/utils.h>
#include <version.h>
#include <image.h>
#include <asm/arch/reset_manager.h>
#include <spl.h>
#include <asm/arch/system_manager.h>
#include <asm/arch/freeze_controller.h>
DECLARE_GLOBAL_DATA_PTR;
u32 spl_boot_device(void)
{
return BOOT_DEVICE_RAM;
}
/*
* Board initialization after bss clearance
*/
void spl_board_init(void)
{
#ifndef CONFIG_SOCFPGA_VIRTUAL_TARGET
debug("Freezing all I/O banks\n");
/* freeze all IO banks */
sys_mgr_frzctrl_freeze_req();
/* configure the pin muxing through system manager */
sysmgr_pinmux_init();
#endif /* CONFIG_SOCFPGA_VIRTUAL_TARGET */
/* de-assert reset for peripherals and bridges based on handoff */
reset_deassert_peripherals_handoff();
debug("Unfreezing/Thaw all I/O banks\n");
/* unfreeze / thaw all IO banks */
sys_mgr_frzctrl_thaw_req();
/* enable console uart printing */
preloader_console_init();
}