1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright 2011 Freescale Semiconductor, Inc.
4 */
5
6#include <common.h>
7#include <clock_legacy.h>
8#include <init.h>
9#include <ns16550.h>
10#include <asm/io.h>
11#include <nand.h>
12#include <linux/compiler.h>
13#include <asm/fsl_law.h>
14#include <fsl_ddr_sdram.h>
15#include <asm/global_data.h>
16
17DECLARE_GLOBAL_DATA_PTR;
18
19void board_init_f(ulong bootflag)
20{
21	u32 plat_ratio;
22	ccsr_gur_t *gur = (void *)CFG_SYS_MPC85xx_GUTS_ADDR;
23
24#if defined(CFG_SYS_NAND_BR_PRELIM) && defined(CFG_SYS_NAND_OR_PRELIM)
25	set_lbc_br(0, CFG_SYS_NAND_BR_PRELIM);
26	set_lbc_or(0, CFG_SYS_NAND_OR_PRELIM);
27#endif
28
29	/* initialize selected port with appropriate baud rate */
30	plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
31	plat_ratio >>= 1;
32	gd->bus_clk = get_board_sys_clk() * plat_ratio;
33
34	ns16550_init((struct ns16550 *)CFG_SYS_NS16550_COM1,
35		     gd->bus_clk / 16 / CONFIG_BAUDRATE);
36
37	puts("\nNAND boot... ");
38
39	/* copy code to RAM and jump to it - this should not return */
40	/* NOTE - code has to be copied out of NAND buffer before
41	 * other blocks can be read.
42	 */
43	relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
44}
45
46void board_init_r(gd_t *gd, ulong dest_addr)
47{
48	puts("\nSecond program loader running in sram...");
49	nand_boot();
50}
51
52void putc(char c)
53{
54	if (c == '\n')
55		ns16550_putc((struct ns16550 *)CFG_SYS_NS16550_COM1, '\r');
56
57	ns16550_putc((struct ns16550 *)CFG_SYS_NS16550_COM1, c);
58}
59
60void puts(const char *str)
61{
62	while (*str)
63		putc(*str++);
64}
65