LXR uboot/board/freescale/t102xqds/spl.c

   1/* Copyright 2014 Freescale Semiconductor, Inc.
   2 *
   3 * SPDX-License-Identifier:    GPL-2.0+
   4 */
   5
   6#include <common.h>
   7#include <console.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/qixis.h"
  16#include "t102xqds_qixis.h"
  17#include "../common/spl.h"
  18
  19DECLARE_GLOBAL_DATA_PTR;
  20
  21phys_size_t get_effective_memsize(void)
  22{
  23        return CONFIG_SYS_L3_SIZE;
  24}
  25
  26unsigned long get_board_sys_clk(void)
  27{
  28        u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
  29
  30        switch (sysclk_conf & 0x0F) {
  31        case QIXIS_SYSCLK_83:
  32                return 83333333;
  33        case QIXIS_SYSCLK_100:
  34                return 100000000;
  35        case QIXIS_SYSCLK_125:
  36                return 125000000;
  37        case QIXIS_SYSCLK_133:
  38                return 133333333;
  39        case QIXIS_SYSCLK_150:
  40                return 150000000;
  41        case QIXIS_SYSCLK_160:
  42                return 160000000;
  43        case QIXIS_SYSCLK_166:
  44                return 166666666;
  45        }
  46        return 66666666;
  47}
  48
  49unsigned long get_board_ddr_clk(void)
  50{
  51        u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
  52
  53        switch ((ddrclk_conf & 0x30) >> 4) {
  54        case QIXIS_DDRCLK_100:
  55                return 100000000;
  56        case QIXIS_DDRCLK_125:
  57                return 125000000;
  58        case QIXIS_DDRCLK_133:
  59                return 133333333;
  60        }
  61        return 66666666;
  62}
  63
  64void board_init_f(ulong bootflag)
  65{
  66        u32 plat_ratio, sys_clk, ccb_clk;
  67        ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
  68
  69#if defined(CONFIG_PPC_T1040) && defined(CONFIG_SPL_NAND_BOOT)
  70        /*
  71         * There is T1040 SoC issue where NOR, FPGA are inaccessible during
  72         * NAND boot because IFC signals > IFC_AD7 are not enabled.
  73         * This workaround changes RCW source to make all signals enabled.
  74         */
  75        u32 porsr1, pinctl;
  76#define FSL_CORENET_CCSR_PORSR1_RCW_MASK        0xFF800000
  77
  78        porsr1 = in_be32(&gur->porsr1);
  79        pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) | 0x24800000);
  80        out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), pinctl);
  81#endif
  82
  83        /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
  84        memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
  85
  86        /* Update GD pointer */
  87        gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
  88
  89        console_init_f();
  90
  91        /* initialize selected port with appropriate baud rate */
  92        sys_clk = get_board_sys_clk();
  93        plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
  94        ccb_clk = sys_clk * plat_ratio / 2;
  95
  96        NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
  97                     ccb_clk / 16 / CONFIG_BAUDRATE);
  98
  99#if defined(CONFIG_SPL_MMC_BOOT)
 100        puts("\nSD boot...\n");
 101#elif defined(CONFIG_SPL_SPI_BOOT)
 102        puts("\nSPI boot...\n");
 103#elif defined(CONFIG_SPL_NAND_BOOT)
 104        puts("\nNAND boot...\n");
 105#endif
 106
 107        relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
 108}
 109
 110void board_init_r(gd_t *gd, ulong dest_addr)
 111{
 112        bd_t *bd;
 113
 114        bd = (bd_t *)(gd + sizeof(gd_t));
 115        memset(bd, 0, sizeof(bd_t));
 116        gd->bd = bd;
 117        bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
 118        bd->bi_memsize = CONFIG_SYS_L3_SIZE;
 119
 120        probecpu();
 121        get_clocks();
 122        mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
 123                        CONFIG_SPL_RELOC_MALLOC_SIZE);
 124        gd->flags |= GD_FLG_FULL_MALLOC_INIT;
 125
 126#ifdef CONFIG_SPL_NAND_BOOT
 127        nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 128                            (uchar *)CONFIG_ENV_ADDR);
 129#endif
 130#ifdef CONFIG_SPL_MMC_BOOT
 131        mmc_initialize(bd);
 132        mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 133                           (uchar *)CONFIG_ENV_ADDR);
 134#endif
 135#ifdef CONFIG_SPL_SPI_BOOT
 136        fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
 137                               (uchar *)CONFIG_ENV_ADDR);
 138#endif
 139
 140        gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
 141        gd->env_valid = 1;
 142
 143        i2c_init_all();
 144
 145        gd->ram_size = initdram(0);
 146
 147#ifdef CONFIG_SPL_MMC_BOOT
 148        mmc_boot();
 149#elif defined(CONFIG_SPL_SPI_BOOT)
 150        fsl_spi_boot();
 151#elif defined(CONFIG_SPL_NAND_BOOT)
 152        nand_boot();
 153#endif
 154}
 155