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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_ */
84