xref: /openbmc/u-boot/include/configs/imx7_spl.h (revision 48263504)
1 /*
2  * SPL definitions for the i.MX7 SPL
3  *
4  * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
5  *
6  * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #ifndef __IMX7_SPL_CONFIG_H
12 #define __IMX7_SPL_CONFIG_H
13 
14 #ifdef CONFIG_SPL
15 
16 #define CONFIG_SPL_FRAMEWORK
17 
18 /*
19  * see figure 6-22 in i.MX 7Dual/Solo Reference manuals:
20  *  - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to
21  *    0x00946C00.
22  *  - Set the stack at the end of the free area section, at 0x00946BB8.
23  *  - The BOOT ROM loads what they consider the firmware image
24  *    which consists of a 4K header in front of us that contains the IVT, DCD
25  *    and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000.
26  *    64KB is more then enough for the SPL.
27  */
28 #define CONFIG_SPL_TEXT_BASE		0x00911000
29 #define CONFIG_SPL_MAX_SIZE		0x10000
30 #define CONFIG_SPL_STACK		0x00946BB8
31 /*
32  * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the
33  * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
34  * boot media (given that boot media specific offset is configured properly).
35  */
36 #define CONFIG_SPL_PAD_TO		0x11000
37 
38 /* MMC support */
39 #if defined(CONFIG_SPL_MMC_SUPPORT)
40 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
41 #define CONFIG_SYS_MONITOR_LEN			409600	/* 400 KB */
42 #endif
43 
44 /* Define the payload for FAT/EXT support */
45 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
46 # ifdef CONFIG_OF_CONTROL
47 #  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot-dtb.img"
48 # else
49 #  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
50 # endif
51 #endif
52 
53 #define CONFIG_SPL_BSS_START_ADDR      0x88200000
54 #define CONFIG_SPL_BSS_MAX_SIZE        0x100000		/* 1 MB */
55 #define CONFIG_SYS_SPL_MALLOC_START    0x88300000
56 #define CONFIG_SYS_SPL_MALLOC_SIZE     0x100000		/* 1 MB */
57 #define CONFIG_SYS_TEXT_BASE           0x87800000
58 
59 #endif /* CONFIG_SPL */
60 
61 #endif /* __IMX7_SPL_CONFIG_H */
62