From c5c6f37a045d39c3d83cb0f6c6e9e6677155cfe3 Mon Sep 17 00:00:00 2001 From: Uri Mashiach Date: Sun, 24 Sep 2017 09:00:24 +0300 Subject: imx: mx7: SPL support for i.MX7 Add configuration file and spl_boot_device function for the i.MX7 SPL. Signed-off-by: Uri Mashiach --- include/configs/imx7_spl.h | 67 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 include/configs/imx7_spl.h (limited to 'include/configs/imx7_spl.h') diff --git a/include/configs/imx7_spl.h b/include/configs/imx7_spl.h new file mode 100644 index 0000000000..e562cdb2c3 --- /dev/null +++ b/include/configs/imx7_spl.h @@ -0,0 +1,67 @@ +/* + * SPL definitions for the i.MX7 SPL + * + * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com + * + * Author: Uri Mashiach + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __IMX7_SPL_CONFIG_H +#define __IMX7_SPL_CONFIG_H + +#ifdef CONFIG_SPL + +#define CONFIG_SPL_FRAMEWORK + +/* + * 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_TEXT_BASE 0x00911000 +#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 + +/* SATA support */ +#if defined(CONFIG_SPL_SATA_SUPPORT) +#define CONFIG_SPL_SATA_BOOT_DEVICE 0 +#define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1 +#endif + +/* Define the payload for FAT/EXT support */ +#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) +# 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 */ +#define CONFIG_SYS_TEXT_BASE 0x87800000 + +#endif /* CONFIG_SPL */ + +#endif /* __IMX7_SPL_CONFIG_H */ -- cgit v1.2.3