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 <environment.h>
   9 #include <ns16550.h>
  10 #include <malloc.h>
  11 #include <mmc.h>
  12 #include <nand.h>
  13 #include <i2c.h>
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 phys_size_t get_effective_memsize(void)
  18 {
  19         return CONFIG_SYS_L2_SIZE;
  20 }
  21
  22 void board_init_f(ulong bootflag)
  23 {
  24         u32 plat_ratio;
  25         ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
  26
  27         console_init_f();
  28
  29         /* initialize selected port with appropriate baud rate */
  30         plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
  31         plat_ratio >>= 1;
  32         gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
  33
  34         NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
  35                      gd->bus_clk / 16 / CONFIG_BAUDRATE);
  36
  37         /* copy code to RAM and jump to it - this should not return */
  38         /* NOTE - code has to be copied out of NAND buffer before
  39          * other blocks can be read.
  40          */
  41         relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
  42 }
  43
  44 void board_init_r(gd_t *gd, ulong dest_addr)
  45 {
  46         /* Pointer is writable since we allocated a register for it */
  47         gd = (gd_t *)CONFIG_SPL_GD_ADDR;
  48         bd_t *bd;
  49
  50         memset(gd, 0, sizeof(gd_t));
  51         bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
  52         memset(bd, 0, sizeof(bd_t));
  53         gd->bd = bd;
  54         bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
  55         bd->bi_memsize = CONFIG_SYS_L2_SIZE;
  56
  57         arch_cpu_init();
  58         get_clocks();
  59         mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
  60                         CONFIG_SPL_RELOC_MALLOC_SIZE);
  61         gd->flags |= GD_FLG_FULL_MALLOC_INIT;
  62
  63         /* relocate environment function pointers etc. */
  64         nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
  65                             (uchar *)CONFIG_ENV_ADDR);
  66         gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
  67         gd->env_valid = ENV_VALID;
  68
  69         i2c_init_all();
  70
  71         dram_init();
  72
  73 #ifdef CONFIG_SPL_NAND_BOOT
  74         puts("TPL\n");
  75 #else
  76         puts("SPL\n");
  77 #endif
  78
  79         nand_boot();
  80 }