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Diffstat (limited to 'include/configs/imx7_spl.h')
| -rw-r--r-- | include/configs/imx7_spl.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/configs/imx7_spl.h b/include/configs/imx7_spl.h new file mode 100644 index 0000000..7ef7017 --- /dev/null +++ b/include/configs/imx7_spl.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * SPL definitions for the i.MX7 SPL + * + * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com + * + * Author: Uri Mashiach <uri.mashiach@compulab.co.il> + */ + +#ifndef __IMX7_SPL_CONFIG_H +#define __IMX7_SPL_CONFIG_H + +#ifdef CONFIG_SPL +/* + * see figure 6-22 in i.MX 7Dual/Solo Reference manuals: + * - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to + * 0x00946C00. + * - Set the stack at the end of the free area section, at 0x00946BB8. + * - The BOOT ROM loads what they consider the firmware image + * which consists of a 4K header in front of us that contains the IVT, DCD + * and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000. + * 64KB is more then enough for the SPL. + */ +#define CONFIG_SPL_MAX_SIZE 0x10000 +#define CONFIG_SPL_STACK 0x00946BB8 +/* + * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the + * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a + * boot media (given that boot media specific offset is configured properly). + */ +#define CONFIG_SPL_PAD_TO 0x11000 + +/* MMC support */ +#if defined(CONFIG_SPL_MMC_SUPPORT) +#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 +#define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */ +#endif + +/* Define the payload for FAT/EXT support */ +#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) +# ifdef CONFIG_OF_CONTROL +# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img" +# else +# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" +# endif +#endif + +#define CONFIG_SPL_BSS_START_ADDR 0x88200000 +#define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */ +#define CONFIG_SYS_SPL_MALLOC_START 0x88300000 +#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ + +#endif /* CONFIG_SPL */ + +#endif /* __IMX7_SPL_CONFIG_H */ |