xref: /openbmc/u-boot/include/configs/imx7_spl.h (revision ee943655)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * SPL definitions for the i.MX7 SPL
4  *
5  * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
6  *
7  * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
8  */
9 
10 #ifndef __IMX7_SPL_CONFIG_H
11 #define __IMX7_SPL_CONFIG_H
12 
13 #ifdef CONFIG_SPL
14 /*
15  * see figure 6-22 in i.MX 7Dual/Solo Reference manuals:
16  *  - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to
17  *    0x00946C00.
18  *  - Set the stack at the end of the free area section, at 0x00946BB8.
19  *  - The BOOT ROM loads what they consider the firmware image
20  *    which consists of a 4K header in front of us that contains the IVT, DCD
21  *    and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000.
22  *    64KB is more then enough for the SPL.
23  */
24 #define CONFIG_SPL_TEXT_BASE		0x00911000
25 #define CONFIG_SPL_MAX_SIZE		0x10000
26 #define CONFIG_SPL_STACK		0x00946BB8
27 /*
28  * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the
29  * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
30  * boot media (given that boot media specific offset is configured properly).
31  */
32 #define CONFIG_SPL_PAD_TO		0x11000
33 
34 /* MMC support */
35 #if defined(CONFIG_SPL_MMC_SUPPORT)
36 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
37 #define CONFIG_SYS_MONITOR_LEN			409600	/* 400 KB */
38 #endif
39 
40 /* Define the payload for FAT/EXT support */
41 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
42 # ifdef CONFIG_OF_CONTROL
43 #  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot-dtb.img"
44 # else
45 #  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
46 # endif
47 #endif
48 
49 #define CONFIG_SPL_BSS_START_ADDR      0x88200000
50 #define CONFIG_SPL_BSS_MAX_SIZE        0x100000		/* 1 MB */
51 #define CONFIG_SYS_SPL_MALLOC_START    0x88300000
52 #define CONFIG_SYS_SPL_MALLOC_SIZE     0x100000		/* 1 MB */
53 
54 #endif /* CONFIG_SPL */
55 
56 #endif /* __IMX7_SPL_CONFIG_H */
57