board/freescale/c29xpcie/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 <ns16550.h>
   9 #include <malloc.h>
  10 #include <mmc.h>
  11 #include <nand.h>
  12 #include <i2c.h>
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 phys_size_t get_effective_memsize(void)
  17 {
  18         return CONFIG_SYS_L2_SIZE;
  19 }
  20
  21 void board_init_f(ulong bootflag)
  22 {
  23         u32 plat_ratio;
  24         ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
  25
  26         console_init_f();
  27
  28         /* initialize selected port with appropriate baud rate */
  29         plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
  30         plat_ratio >>= 1;
  31         gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
  32
  33         NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
  34                      gd->bus_clk / 16 / CONFIG_BAUDRATE);
  35
  36         /* copy code to RAM and jump to it - this should not return */
  37         /* NOTE - code has to be copied out of NAND buffer before
  38          * other blocks can be read.
  39          */
  40         relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
  41 }
  42
  43 void board_init_r(gd_t *gd, ulong dest_addr)
  44 {
  45         /* Pointer is writable since we allocated a register for it */
  46         gd = (gd_t *)CONFIG_SPL_GD_ADDR;
  47         bd_t *bd;
  48
  49         memset(gd, 0, sizeof(gd_t));
  50         bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
  51         memset(bd, 0, sizeof(bd_t));
  52         gd->bd = bd;
  53         bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
  54         bd->bi_memsize = CONFIG_SYS_L2_SIZE;
  55
  56         arch_cpu_init();
  57         get_clocks();
  58         mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
  59                         CONFIG_SPL_RELOC_MALLOC_SIZE);
  60         gd->flags |= GD_FLG_FULL_MALLOC_INIT;
  61
  62         /* relocate environment function pointers etc. */
  63         nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
  64                             (uchar *)CONFIG_ENV_ADDR);
  65         gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
  66         gd->env_valid = 1;
  67
  68         i2c_init_all();
  69
  70         initdram();
  71
  72 #ifdef CONFIG_SPL_NAND_BOOT
  73         puts("TPL\n");
  74 #else
  75         puts("SPL\n");
  76 #endif
  77
  78         nand_boot();
  79 }