tools/ublimage.h

   1 /*
   2  * (C) Copyright 2011
   3  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   4  *
   5  * Vased on:
   6  * (C) Copyright 2009
   7  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 #ifndef _UBLIMAGE_H_
  13 #define _UBLIMAGE_H_
  14
  15 enum ublimage_cmd {
  16         CMD_INVALID,
  17         CMD_BOOT_MODE,
  18         CMD_ENTRY,
  19         CMD_PAGE,
  20         CMD_ST_BLOCK,
  21         CMD_ST_PAGE,
  22         CMD_LD_ADDR
  23 };
  24
  25 enum ublimage_fld_types {
  26         CFG_INVALID = -1,
  27         CFG_COMMAND,
  28         CFG_REG_VALUE
  29 };
  30
  31 /*
  32  * from sprufg5a.pdf Table 110
  33  * Used by RBL when doing NAND boot
  34  */
  35 #define UBL_MAGIC_BASE              (0xA1ACED00)
  36 /* Safe boot mode */
  37 #define UBL_MAGIC_SAFE              (0x00)
  38 /* DMA boot mode */
  39 #define UBL_MAGIC_DMA               (0x11)
  40 /* I Cache boot mode */
  41 #define UBL_MAGIC_IC                (0x22)
  42 /* Fast EMIF boot mode */
  43 #define UBL_MAGIC_FAST              (0x33)
  44 /* DMA + ICache boot mode */
  45 #define UBL_MAGIC_DMA_IC            (0x44)
  46 /* DMA + ICache + Fast EMIF boot mode */
  47 #define UBL_MAGIC_DMA_IC_FAST       (0x55)
  48
  49 /* Define max UBL image size */
  50 #define UBL_IMAGE_SIZE              (0x00003800u)
  51
  52 /* one NAND block */
  53 #define UBL_BLOCK_SIZE 2048
  54
  55 /* from sprufg5a.pdf Table 109 */
  56 struct ubl_header {
  57         uint32_t        magic;  /* Magic Number, see UBL_* defines */
  58         uint32_t        entry;  /* entry point address for bootloader */
  59         uint32_t        pages;  /* number of pages (size of bootloader) */
  60         uint32_t        block;  /*
  61                                  * blocknumber where user bootloader is
  62                                  * present
  63                                  */
  64         uint32_t        page;   /*
  65                                  * page number where user bootloader is
  66                                  * present.
  67                                  */
  68         uint32_t        pll_m;  /*
  69                                  * PLL setting -Multiplier (only valid if
  70                                  * Magic Number indicates PLL enable).
  71                                  */
  72         uint32_t        pll_n;  /*
  73                                  * PLL setting -Divider (only valid if
  74                                  * Magic Number indicates PLL enable).
  75                                  */
  76         uint32_t        emif;   /*
  77                                  * fast EMIF setting (only valid if
  78                                  * Magic Number indicates fast EMIF boot).
  79                                  */
  80         /* to fit in one nand block */
  81         unsigned char   res[UBL_BLOCK_SIZE - 8 * 4];
  82 };
  83
  84 #endif /* _UBLIMAGE_H_ */