diff options
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/arch-imx8/boot0.h | 21 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach-imx/hab.h | 1 |
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8/boot0.h b/arch/arm/include/asm/arch-imx8/boot0.h new file mode 100644 index 0000000000..5ce781adb7 --- /dev/null +++ b/arch/arm/include/asm/arch-imx8/boot0.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2019 NXP + */ + +#if defined(CONFIG_SPL_BUILD) + /* + * We use absolute address not PC relative address to jump. + * When running SPL on iMX8, the A core starts at address 0, a alias to OCRAM 0x100000, + * our linker address for SPL is from 0x100000. So using absolute address can jump to + * the OCRAM address from the alias. + * The alias only map first 96KB of OCRAM, so this require the SPL size can't beyond 96KB. + * But when using SPL DM, the size increase significantly and may exceed 96KB. + * That's why we have to jump to OCRAM. + */ + + ldr x0, =reset + br x0 +#else + b reset +#endif diff --git a/arch/arm/include/asm/mach-imx/hab.h b/arch/arm/include/asm/mach-imx/hab.h index b905d84bdc..d8bd77075a 100644 --- a/arch/arm/include/asm/mach-imx/hab.h +++ b/arch/arm/include/asm/mach-imx/hab.h @@ -189,6 +189,7 @@ typedef void hapi_clock_init_t(void); #define HAB_CID_ROM 0 /**< ROM Caller ID */ #define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/ +#define HAB_TAG_RVT 0xDD /* ROM Vector Table */ #define HAB_CMD_HDR 0xD4 /* CSF Header */ #define HAB_CMD_WRT_DAT 0xCC /* Write Data command tag */ #define HAB_CMD_CHK_DAT 0xCF /* Check Data command tag */ |