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 <console.h>
   7#include <environment.h>
   8#include <malloc.h>
   9#include <ns16550.h>
  10#include <nand.h>
  11#include <i2c.h>
  12#include <mmc.h>
  13#include <fsl_esdhc.h>
  14#include <spi_flash.h>
  15#include "../common/sleep.h"
  16#include "../common/spl.h"
  17
  18DECLARE_GLOBAL_DATA_PTR;
  19
  20phys_size_t get_effective_memsize(void)
  21{
  22        return CONFIG_SYS_L3_SIZE;
  23}
  24
  25unsigned long get_board_sys_clk(void)
  26{
  27        return CONFIG_SYS_CLK_FREQ;
  28}
  29
  30unsigned long get_board_ddr_clk(void)
  31{
  32        return CONFIG_DDR_CLK_FREQ;
  33}
  34
  35#if defined(CONFIG_SPL_MMC_BOOT)
  36#define GPIO1_SD_SEL 0x00020000
  37int board_mmc_getcd(struct mmc *mmc)
  38{
  39        ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
  40        u32 val = in_be32(&pgpio->gpdat);
  41
  42        /* GPIO1_14, 0: eMMC, 1: SD */
  43        val &= GPIO1_SD_SEL;
  44
  45        return val ? -1 : 1;
  46}
  47
  48int board_mmc_getwp(struct mmc *mmc)
  49{
  50        ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
  51        u32 val = in_be32(&pgpio->gpdat);
  52
  53        val &= GPIO1_SD_SEL;
  54
  55        return val ? -1 : 0;
  56}
  57#endif
  58
  59void board_init_f(ulong bootflag)
  60{
  61        u32 plat_ratio, sys_clk, ccb_clk;
  62        ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
  63
  64        /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
  65        memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
  66
  67        /* Update GD pointer */
  68        gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
  69
  70        console_init_f();
  71
  72#ifdef CONFIG_DEEP_SLEEP
  73        /* disable the console if boot from deep sleep */
  74        if (is_warm_boot())
  75                fsl_dp_disable_console();
  76#endif
  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