u-boot/board/freescale/p1010rdb/spl_minimal.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2011 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <clock_legacy.h>
#include <init.h>
#include <mpc85xx.h>
#include <asm/io.h>
#include <ns16550.h>
#include <nand.h>
#include <asm/mmu.h>
#include <asm/immap_85xx.h>
#include <fsl_ddr_sdram.h>
#include <asm/fsl_law.h>
#include <asm/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
void board_init_f(ulong bootflag)
{
u32 plat_ratio;
ccsr_gur_t *gur = (void *)CFG_SYS_MPC85xx_GUTS_ADDR;
#if defined(CFG_SYS_NAND_BR_PRELIM) && defined(CFG_SYS_NAND_OR_PRELIM)
set_lbc_br(0, CFG_SYS_NAND_BR_PRELIM);
set_lbc_or(0, CFG_SYS_NAND_OR_PRELIM);
#endif
/* initialize selected port with appropriate baud rate */
plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
plat_ratio >>= 1;
gd->bus_clk = get_board_sys_clk() * plat_ratio;
ns16550_init((struct ns16550 *)CFG_SYS_NS16550_COM1,
gd->bus_clk / 16 / CONFIG_BAUDRATE);
puts("\nNAND boot... ");
/* copy code to RAM and jump to it - this should not return */
/* NOTE - code has to be copied out of NAND buffer before
* other blocks can be read.
*/
relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
}
void board_init_r(gd_t *gd, ulong dest_addr)
{
puts("\nSecond program loader running in sram...");
nand_boot();
}
void putc(char c)
{
if (c == '\n')
ns16550_putc((struct ns16550 *)CFG_SYS_NS16550_COM1, '\r');
ns16550_putc((struct ns16550 *)CFG_SYS_NS16550_COM1, c);
}
void puts(const char *str)
{
while (*str)
putc(*str++);
}