diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/image.h | 1 | ||||
| -rw-r--r-- | include/opensbi.h | 40 | ||||
| -rw-r--r-- | include/spl.h | 5 |
3 files changed, 46 insertions, 0 deletions
diff --git a/include/image.h b/include/image.h index 27d7cb9d1e8..404b7338e6a 100644 --- a/include/image.h +++ b/include/image.h @@ -156,6 +156,7 @@ enum { IH_OS_OPENRTOS, /* OpenRTOS */ IH_OS_ARM_TRUSTED_FIRMWARE, /* ARM Trusted Firmware */ IH_OS_TEE, /* Trusted Execution Environment */ + IH_OS_OPENSBI, /* RISC-V OpenSBI */ IH_OS_COUNT, }; diff --git a/include/opensbi.h b/include/opensbi.h new file mode 100644 index 00000000000..9f1d62e7dde --- /dev/null +++ b/include/opensbi.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ +/* + * Copyright (c) 2019 Western Digital Corporation or its affiliates. + * + * Based on include/sbi/{fw_dynamic.h,sbi_scratch.h} from the OpenSBI project. + */ +#ifndef OPENSBI_H +#define OPENSBI_H + +/** Expected value of info magic ('OSBI' ascii string in hex) */ +#define FW_DYNAMIC_INFO_MAGIC_VALUE 0x4942534f + +/** Maximum supported info version */ +#define FW_DYNAMIC_INFO_VERSION 0x1 + +/** Possible next mode values */ +#define FW_DYNAMIC_INFO_NEXT_MODE_U 0x0 +#define FW_DYNAMIC_INFO_NEXT_MODE_S 0x1 +#define FW_DYNAMIC_INFO_NEXT_MODE_M 0x3 + +enum sbi_scratch_options { + /** Disable prints during boot */ + SBI_SCRATCH_NO_BOOT_PRINTS = (1 << 0), +}; + +/** Representation dynamic info passed by previous booting stage */ +struct fw_dynamic_info { + /** Info magic */ + unsigned long magic; + /** Info version */ + unsigned long version; + /** Next booting stage address */ + unsigned long next_addr; + /** Next booting stage mode */ + unsigned long next_mode; + /** Options for OpenSBI library */ + unsigned long options; +} __packed; + +#endif diff --git a/include/spl.h b/include/spl.h index a90f971a239..e4640f3830b 100644 --- a/include/spl.h +++ b/include/spl.h @@ -375,6 +375,11 @@ void spl_invoke_atf(struct spl_image_info *spl_image); void spl_optee_entry(void *arg0, void *arg1, void *arg2, void *arg3); /** + * spl_invoke_opensbi - boot using a RISC-V OpenSBI image + */ +void spl_invoke_opensbi(struct spl_image_info *spl_image); + +/** * board_return_to_bootrom - allow for boards to continue with the boot ROM * * If a board (e.g. the Rockchip RK3368 boards) provide some |