tools/ublimage.h

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