xref: /openbmc/u-boot/tools/ublimage.h (revision 578ac1e9)
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  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  */
27 
28 #ifndef _UBLIMAGE_H_
29 #define _UBLIMAGE_H_
30 
31 enum ublimage_cmd {
32 	CMD_INVALID,
33 	CMD_BOOT_MODE,
34 	CMD_ENTRY,
35 	CMD_PAGE,
36 	CMD_ST_BLOCK,
37 	CMD_ST_PAGE,
38 	CMD_LD_ADDR
39 };
40 
41 enum ublimage_fld_types {
42 	CFG_INVALID = -1,
43 	CFG_COMMAND,
44 	CFG_REG_VALUE
45 };
46 
47 /*
48  * from sprufg5a.pdf Table 110
49  * Used by RBL when doing NAND boot
50  */
51 #define UBL_MAGIC_BASE              (0xA1ACED00)
52 /* Safe boot mode */
53 #define UBL_MAGIC_SAFE              (0x00)
54 /* DMA boot mode */
55 #define UBL_MAGIC_DMA               (0x11)
56 /* I Cache boot mode */
57 #define UBL_MAGIC_IC                (0x22)
58 /* Fast EMIF boot mode */
59 #define UBL_MAGIC_FAST              (0x33)
60 /* DMA + ICache boot mode */
61 #define UBL_MAGIC_DMA_IC            (0x44)
62 /* DMA + ICache + Fast EMIF boot mode */
63 #define UBL_MAGIC_DMA_IC_FAST       (0x55)
64 
65 /* Define max UBL image size */
66 #define UBL_IMAGE_SIZE              (0x00003800u)
67 
68 /* one NAND block */
69 #define UBL_BLOCK_SIZE 2048
70 
71 /* from sprufg5a.pdf Table 109 */
72 struct ubl_header {
73 	uint32_t	magic;	/* Magic Number, see UBL_* defines */
74 	uint32_t	entry;	/* entry point address for bootloader */
75 	uint32_t	pages;	/* number of pages (size of bootloader) */
76 	uint32_t	block;	/*
77 				 * blocknumber where user bootloader is
78 				 * present
79 				 */
80 	uint32_t	page;	/*
81 				 * page number where user bootloader is
82 				 * present.
83 				 */
84 	uint32_t	pll_m;	/*
85 				 * PLL setting -Multiplier (only valid if
86 				 * Magic Number indicates PLL enable).
87 				 */
88 	uint32_t	pll_n;	/*
89 				 * PLL setting -Divider (only valid if
90 				 * Magic Number indicates PLL enable).
91 				 */
92 	uint32_t	emif;	/*
93 				 * fast EMIF setting (only valid if
94 				 * Magic Number indicates fast EMIF boot).
95 				 */
96 	/* to fit in one nand block */
97 	unsigned char	res[UBL_BLOCK_SIZE - 8 * 4];
98 };
99 
100 #endif /* _UBLIMAGE_H_ */
101