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/*
* Copyright (C) 2013 Stefan Roese <sr@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* Return selected boot device. On PPC4xx its only NOR flash right now.
*/
u32 spl_boot_device(void)
{
return BOOT_DEVICE_NOR;
}
/*
* SPL version of board_init_f()
*/
void board_init_f(ulong bootflag)
{
/*
* First we need to initialize the SDRAM, so that the real
* U-Boot or the OS (Linux) can be loaded
*/
initdram(0);
/* Clear bss */
memset(__bss_start, '\0', __bss_end - __bss_start);
/*
* Init global_data pointer. Has to be done before calling
* get_clocks(), as it stores some clock values into gd needed
* later on in the serial driver.
*/
/* Pointer is writable since we allocated a register for it */
gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
/* Clear initial global data */
memset((void *)gd, 0, sizeof(gd_t));
/*
* get_clocks() needs to be called so that the serial driver
* works correctly
*/
get_clocks();
/*
* Do rudimental console / serial setup
*/
preloader_console_init();
/*
* Call board_init_r() (SPL framework version) to load and boot
* real U-Boot or OS
*/
board_init_r(NULL, 0);
/* Does not return!!! */
}
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