LXR uboot/board/freescale/p1010rdb/spl

   1/*
   2 * Copyright 2011 Freescale Semiconductor, Inc.
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6#include <common.h>
   7#include <mpc85xx.h>
   8#include <asm/io.h>
   9#include <ns16550.h>
  10#include <nand.h>
  11#include <asm/mmu.h>
  12#include <asm/immap_85xx.h>
  13#include <fsl_ddr_sdram.h>
  14#include <asm/fsl_law.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 *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
  23
  24#if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM)
  25        set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM);
  26        set_lbc_or(0, CONFIG_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 = CONFIG_SYS_CLK_FREQ * plat_ratio;
  33
  34        NS16550_init((NS16550_t)CONFIG_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
  44        relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
  45}
  46
  47void board_init_r(gd_t *gd, ulong dest_addr)
  48{
  49        puts("\nSecond program loader running in sram...");
  50        nand_boot();
  51}
  52
  53void putc(char c)
  54{
  55        if (c == '\n')
  56                NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r');
  57
  58        NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c);
  59}
  60
  61void puts(const char *str)
  62{
  63        while (*str)
  64                putc(*str++);
  65}
  66