xref: /openbmc/u-boot/tools/ublimage.h (revision 53193a4f)
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_ */
85