LXR uboot/board/freescale/t208xqds/spl.c

   1/* Copyright 2013 Freescale Semiconductor, Inc.
   2 *
   3 * SPDX-License-Identifier:    GPL-2.0+
   4 */
   5
   6#include <common.h>
   7#include <console.h>
   8#include <environment.h>
   9#include <malloc.h>
  10#include <ns16550.h>
  11#include <nand.h>
  12#include <i2c.h>
  13#include <mmc.h>
  14#include <fsl_esdhc.h>
  15#include <spi_flash.h>
  16#include "../common/qixis.h"
  17#include "t208xqds_qixis.h"
  18#include "../common/spl.h"
  19
  20DECLARE_GLOBAL_DATA_PTR;
  21
  22phys_size_t get_effective_memsize(void)
  23{
  24        return CONFIG_SYS_L3_SIZE;
  25}
  26
  27unsigned long get_board_sys_clk(void)
  28{
  29        u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
  30
  31        switch (sysclk_conf & 0x0F) {
  32        case QIXIS_SYSCLK_83:
  33                return 83333333;
  34        case QIXIS_SYSCLK_100:
  35                return 100000000;
  36        case QIXIS_SYSCLK_125:
  37                return 125000000;
  38        case QIXIS_SYSCLK_133:
  39                return 133333333;
  40        case QIXIS_SYSCLK_150:
  41                return 150000000;
  42        case QIXIS_SYSCLK_160:
  43                return 160000000;
  44        case QIXIS_SYSCLK_166:
  45                return 166666666;
  46        }
  47        return 66666666;
  48}
  49
  50unsigned long get_board_ddr_clk(void)
  51{
  52        u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
  53
  54        switch ((ddrclk_conf & 0x30) >> 4) {
  55        case QIXIS_DDRCLK_100:
  56                return 100000000;
  57        case QIXIS_DDRCLK_125:
  58                return 125000000;
  59        case QIXIS_DDRCLK_133:
  60                return 133333333;
  61        }
  62        return 66666666;
  63}
  64
  65void board_init_f(ulong bootflag)
  66{
  67        u32 plat_ratio, sys_clk, ccb_clk;
  68        ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
  69
  70        /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
  71        memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
  72
  73        /* Update GD pointer */
  74        gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
  75
  76        console_init_f();
  77
  78        /* initialize selected port with appropriate baud rate */
  79        sys_clk = get_board_sys_clk();
  80        plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
  81        ccb_clk = sys_clk * plat_ratio / 2;
  82
  83        NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
  84                     ccb_clk / 16 / CONFIG_BAUDRATE);
  85
  86#if defined(CONFIG_SPL_MMC_BOOT)
  87        puts("\nSD boot...\n");
  88#elif defined(CONFIG_SPL_SPI_BOOT)
  89        puts("\nSPI boot...\n");
  90#elif defined(CONFIG_SPL_NAND_BOOT)
  91        puts("\nNAND boot...\n");
  92#endif
  93
  94        relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
  95}
  96
  97void board_init_r(gd_t *gd, ulong dest_addr)
  98{
  99        bd_t *bd;
 100
 101        bd = (bd_t *)(gd + sizeof(gd_t));
 102        memset(bd, 0, sizeof(bd_t));
 103        gd->bd = bd;
 104        bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
 105        bd->bi_memsize = CONFIG_SYS_L3_SIZE;
 106
 107        arch_cpu_init();
 108        get_clocks();
 109        mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
 110                        CONFIG_SPL_RELOC_MALLOC_SIZE);
 111        gd->flags |= GD_FLG_FULL_MALLOC_INIT;
 112
 113#ifdef CONFIG_SPL_NAND_BOOT
 114        nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 115                            (uchar *)CONFIG_ENV_ADDR);
 116#endif
 117#ifdef CONFIG_SPL_MMC_BOOT
 118        mmc_initialize(bd);
 119        mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 120                           (uchar *)CONFIG_ENV_ADDR);
 121#endif
 122#ifdef CONFIG_SPL_SPI_BOOT
 123        fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 124                               (uchar *)CONFIG_ENV_ADDR);
 125#endif
 126
 127        gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
 128        gd->env_valid = ENV_VALID;
 129
 130        i2c_init_all();
 131
 132        dram_init();
 133
 134#ifdef CONFIG_SPL_MMC_BOOT
 135        mmc_boot();
 136#elif defined(CONFIG_SPL_SPI_BOOT)
 137        fsl_spi_boot();
 138#elif defined(CONFIG_SPL_NAND_BOOT)
 139        nand_boot();
 140#endif
 141}
 142