ublimage.h
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/*
* (C) Copyright 2011
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* Vased on:
* (C) Copyright 2009
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _UBLIMAGE_H_
#define _UBLIMAGE_H_
enum ublimage_cmd {
CMD_INVALID,
CMD_BOOT_MODE,
CMD_ENTRY,
CMD_PAGE,
CMD_ST_BLOCK,
CMD_ST_PAGE,
CMD_LD_ADDR
};
enum ublimage_fld_types {
CFG_INVALID = -1,
CFG_COMMAND,
CFG_REG_VALUE
};
/*
* from sprufg5a.pdf Table 110
* Used by RBL when doing NAND boot
*/
#define UBL_MAGIC_BASE (0xA1ACED00)
/* Safe boot mode */
#define UBL_MAGIC_SAFE (0x00)
/* DMA boot mode */
#define UBL_MAGIC_DMA (0x11)
/* I Cache boot mode */
#define UBL_MAGIC_IC (0x22)
/* Fast EMIF boot mode */
#define UBL_MAGIC_FAST (0x33)
/* DMA + ICache boot mode */
#define UBL_MAGIC_DMA_IC (0x44)
/* DMA + ICache + Fast EMIF boot mode */
#define UBL_MAGIC_DMA_IC_FAST (0x55)
/* Define max UBL image size */
#define UBL_IMAGE_SIZE (0x00003800u)
/* one NAND block */
#define UBL_BLOCK_SIZE 2048
/* from sprufg5a.pdf Table 109 */
struct ubl_header {
uint32_t magic; /* Magic Number, see UBL_* defines */
uint32_t entry; /* entry point address for bootloader */
uint32_t pages; /* number of pages (size of bootloader) */
uint32_t block; /*
* blocknumber where user bootloader is
* present
*/
uint32_t page; /*
* page number where user bootloader is
* present.
*/
uint32_t pll_m; /*
* PLL setting -Multiplier (only valid if
* Magic Number indicates PLL enable).
*/
uint32_t pll_n; /*
* PLL setting -Divider (only valid if
* Magic Number indicates PLL enable).
*/
uint32_t emif; /*
* fast EMIF setting (only valid if
* Magic Number indicates fast EMIF boot).
*/
/* to fit in one nand block */
unsigned char res[UBL_BLOCK_SIZE - 8 * 4];
};
#endif /* _UBLIMAGE_H_ */