LXR uboot/board/freescale/p1_p2_rdb

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2013 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <common.h>
   7#include <clock_legacy.h>
   8#include <console.h>
   9#include <env.h>
  10#include <env_internal.h>
  11#include <init.h>
  12#include <ns16550.h>
  13#include <malloc.h>
  14#include <mmc.h>
  15#include <nand.h>
  16#include <i2c.h>
  17#include <fsl_esdhc.h>
  18#include <spi_flash.h>
  19#include <asm/global_data.h>
  20#include "../common/spl.h"
  21
  22DECLARE_GLOBAL_DATA_PTR;
  23
  24phys_size_t get_effective_memsize(void)
  25{
  26        return CONFIG_SYS_L2_SIZE;
  27}
  28
  29void board_init_f(ulong bootflag)
  30{
  31        u32 plat_ratio, bus_clk;
  32        ccsr_gur_t *gur = (void *)CFG_SYS_MPC85xx_GUTS_ADDR;
  33
  34        /*
  35         * Call board_early_init_f() as early as possible as it workarounds
  36         * reboot loop due to broken CPLD state machine for reset line.
  37         */
  38        board_early_init_f();
  39
  40        console_init_f();
  41
  42        /* Set pmuxcr to allow both i2c1 and i2c2 */
  43        setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
  44        setbits_be32(&gur->pmuxcr,
  45                     in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
  46
  47        /* Read back the register to synchronize the write. */
  48        in_be32(&gur->pmuxcr);
  49
  50#ifdef CONFIG_SPL_SPI_BOOT
  51        clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
  52#endif
  53
  54        /* initialize selected port with appropriate baud rate */
  55        plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
  56        plat_ratio >>= 1;
  57        bus_clk = get_board_sys_clk() * plat_ratio;
  58        gd->bus_clk = bus_clk;
  59
  60        ns16550_init((struct ns16550 *)CFG_SYS_NS16550_COM1,
  61                     bus_clk / 16 / CONFIG_BAUDRATE);
  62#ifdef CONFIG_SPL_MMC_BOOT
  63        puts("\nSD boot...\n");
  64#elif defined(CONFIG_SPL_SPI_BOOT)
  65        puts("\nSPI Flash boot...\n");
  66#endif
  67
  68        /* copy code to RAM and jump to it - this should not return */
  69        /* NOTE - code has to be copied out of NAND buffer before
  70         * other blocks can be read.
  71         */
  72        relocate_code(CONFIG_VAL(RELOC_STACK), 0, CONFIG_SPL_RELOC_TEXT_BASE);
  73}
  74
  75void board_init_r(gd_t *gd, ulong dest_addr)
  76{
  77        /* Pointer is writable since we allocated a register for it */
  78        gd = (gd_t *)CONFIG_VAL(GD_ADDR);
  79        struct bd_info *bd;
  80
  81        memset(gd, 0, sizeof(gd_t));
  82        bd = (struct bd_info *)(CONFIG_VAL(GD_ADDR) + sizeof(gd_t));
  83        memset(bd, 0, sizeof(struct bd_info));
  84        gd->bd = bd;
  85
  86        arch_cpu_init();
  87        get_clocks();
  88        mem_malloc_init(CONFIG_VAL(RELOC_MALLOC_ADDR),
  89                        CONFIG_VAL(RELOC_MALLOC_SIZE));
  90        gd->flags |= GD_FLG_FULL_MALLOC_INIT;
  91
  92#ifdef CONFIG_SPL_ENV_SUPPORT
  93#ifndef CONFIG_SPL_NAND_BOOT
  94        env_init();
  95#endif
  96#endif
  97#ifdef CONFIG_SPL_MMC_BOOT
  98        mmc_initialize(bd);
  99#endif
 100#ifdef CONFIG_SPL_ENV_SUPPORT
 101        /* relocate environment function pointers etc. */
 102#ifdef CONFIG_SPL_NAND_BOOT
 103        nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 104                            (uchar *)SPL_ENV_ADDR);
 105        gd->env_addr  = (ulong)(SPL_ENV_ADDR);
 106        gd->env_valid = ENV_VALID;
 107#else
 108        env_relocate();
 109#endif
 110#endif
 111
 112#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
 113        i2c_init_all();
 114#else
 115        i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 116#endif
 117
 118        dram_init();
 119#ifdef CONFIG_SPL_NAND_BOOT
 120        puts("Tertiary program loader running in sram...");
 121#else
 122        puts("Second program loader running in sram...\n");
 123#endif
 124
 125#ifdef CONFIG_SPL_MMC_BOOT
 126        mmc_boot();
 127#elif defined(CONFIG_SPL_SPI_BOOT)
 128        fsl_spi_boot();
 129#elif defined(CONFIG_SPL_NAND_BOOT)
 130        nand_boot();
 131#endif
 132}
 133