LXR uboot/board/freescale/t102xrdb/spl.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/* Copyright 2014 Freescale Semiconductor, Inc.
   3 */
   4
   5#include <common.h>
   6#include <clock_legacy.h>
   7#include <console.h>
   8#include <env_internal.h>
   9#include <init.h>
  10#include <malloc.h>
  11#include <ns16550.h>
  12#include <nand.h>
  13#include <i2c.h>
  14#include <mmc.h>
  15#include <fsl_esdhc.h>
  16#include <spi_flash.h>
  17#include <asm/global_data.h>
  18#include "../common/sleep.h"
  19#include "../common/spl.h"
  20
  21DECLARE_GLOBAL_DATA_PTR;
  22
  23phys_size_t get_effective_memsize(void)
  24{
  25        return CONFIG_SYS_L3_SIZE;
  26}
  27
  28unsigned long get_board_sys_clk(void)
  29{
  30        return CONFIG_SYS_CLK_FREQ;
  31}
  32
  33#if defined(CONFIG_SPL_MMC_BOOT)
  34#define GPIO1_SD_SEL 0x00020000
  35int board_mmc_getcd(struct mmc *mmc)
  36{
  37        ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
  38        u32 val = in_be32(&pgpio->gpdat);
  39
  40        /* GPIO1_14, 0: eMMC, 1: SD */
  41        val &= GPIO1_SD_SEL;
  42
  43        return val ? -1 : 1;
  44}
  45
  46int board_mmc_getwp(struct mmc *mmc)
  47{
  48        ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
  49        u32 val = in_be32(&pgpio->gpdat);
  50
  51        val &= GPIO1_SD_SEL;
  52
  53        return val ? -1 : 0;
  54}
  55#endif
  56
  57void board_init_f(ulong bootflag)
  58{
  59        u32 plat_ratio, sys_clk, ccb_clk;
  60        ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
  61
  62        /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
  63        memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
  64
  65        /* Update GD pointer */
  66        gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
  67
  68        console_init_f();
  69
  70#ifdef CONFIG_DEEP_SLEEP
  71        /* disable the console if boot from deep sleep */
  72        if (is_warm_boot())
  73                fsl_dp_disable_console();
  74#endif
  75
  76        /* initialize selected port with appropriate baud rate */
  77        sys_clk = get_board_sys_clk();
  78        plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
  79        ccb_clk = sys_clk * plat_ratio / 2;
  80
  81        ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1,
  82                     ccb_clk / 16 / CONFIG_BAUDRATE);
  83
  84#if defined(CONFIG_SPL_MMC_BOOT)
  85        puts("\nSD boot...\n");
  86#elif defined(CONFIG_SPL_SPI_BOOT)
  87        puts("\nSPI boot...\n");
  88#elif defined(CONFIG_SPL_NAND_BOOT)
  89        puts("\nNAND boot...\n");
  90#endif
  91
  92        relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
  93}
  94
  95void board_init_r(gd_t *gd, ulong dest_addr)
  96{
  97        struct bd_info *bd;
  98
  99        bd = (struct bd_info *)(gd + sizeof(gd_t));
 100        memset(bd, 0, sizeof(struct bd_info));
 101        gd->bd = bd;
 102
 103        arch_cpu_init();
 104        get_clocks();
 105        mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
 106                        CONFIG_SPL_RELOC_MALLOC_SIZE);
 107        gd->flags |= GD_FLG_FULL_MALLOC_INIT;
 108
 109#ifdef CONFIG_SPL_NAND_BOOT
 110        nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 111                            (uchar *)SPL_ENV_ADDR);
 112#endif
 113#ifdef CONFIG_SPL_MMC_BOOT
 114        mmc_initialize(bd);
 115        mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 116                           (uchar *)SPL_ENV_ADDR);
 117#endif
 118#ifdef CONFIG_SPL_SPI_BOOT
 119        fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 120                               (uchar *)SPL_ENV_ADDR);
 121#endif
 122
 123        gd->env_addr  = (ulong)(SPL_ENV_ADDR);
 124        gd->env_valid = ENV_VALID;
 125
 126        i2c_init_all();
 127
 128        dram_init();
 129
 130#ifdef CONFIG_SPL_MMC_BOOT
 131        mmc_boot();
 132#elif defined(CONFIG_SPL_SPI_BOOT)
 133        fsl_spi_boot();
 134#elif defined(CONFIG_SPL_NAND_BOOT)
 135        nand_boot();
 136#endif
 137}
 138