mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 06:00:43 +00:00
7b866825cd
Newer platforms use the LOAD_IMAGE_V2 parameter passing method. Add support for it. Signed-off-by: Michael Walle <michael@walle.cc>
198 lines
6.5 KiB
C
198 lines
6.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
|
|
/*
|
|
* This is from the ARM TF Project,
|
|
* Repository: https://github.com/ARM-software/arm-trusted-firmware.git
|
|
* File: include/common/bl_common.h
|
|
* Portions copyright (c) 2013-2016, ARM Limited and Contributors. All rights
|
|
* reserved.
|
|
* Copyright (C) 2016-2017 Rockchip Electronic Co.,Ltd
|
|
*/
|
|
|
|
#ifndef __BL_COMMON_H__
|
|
#define __BL_COMMON_H__
|
|
|
|
#define ATF_PARAM_EP 0x01
|
|
#define ATF_PARAM_IMAGE_BINARY 0x02
|
|
#define ATF_PARAM_BL31 0x03
|
|
#define ATF_PARAM_BL_PARAMS 0x05
|
|
|
|
#define ATF_VERSION_1 0x01
|
|
#define ATF_VERSION_2 0x02
|
|
|
|
#define ATF_BL31_IMAGE_ID 0x03
|
|
#define ATF_BL32_IMAGE_ID 0x04
|
|
#define ATF_BL33_IMAGE_ID 0x05
|
|
|
|
#define ATF_EP_SECURE 0x0
|
|
#define ATF_EP_NON_SECURE 0x1
|
|
|
|
#define SET_PARAM_HEAD(_p, _type, _ver, _attr) do { \
|
|
(_p)->h.type = (uint8_t)(_type); \
|
|
(_p)->h.version = (uint8_t)(_ver); \
|
|
(_p)->h.size = (uint16_t)sizeof(*_p); \
|
|
(_p)->h.attr = (uint32_t)(_attr) ; \
|
|
} while (0)
|
|
|
|
#define MODE_RW_SHIFT 0x4
|
|
#define MODE_RW_MASK 0x1
|
|
#define MODE_RW_64 0x0
|
|
#define MODE_RW_32 0x1
|
|
|
|
#define MODE_EL_SHIFT 0x2
|
|
#define MODE_EL_MASK 0x3
|
|
#define MODE_EL3 0x3
|
|
#define MODE_EL2 0x2
|
|
#define MODE_EL1 0x1
|
|
#define MODE_EL0 0x0
|
|
|
|
#define MODE_SP_SHIFT 0x0
|
|
#define MODE_SP_MASK 0x1
|
|
#define MODE_SP_EL0 0x0
|
|
#define MODE_SP_ELX 0x1
|
|
|
|
#define SPSR_DAIF_SHIFT 6
|
|
#define SPSR_DAIF_MASK 0x0f
|
|
|
|
#define SPSR_64(el, sp, daif) \
|
|
(MODE_RW_64 << MODE_RW_SHIFT | \
|
|
((el) & MODE_EL_MASK) << MODE_EL_SHIFT | \
|
|
((sp) & MODE_SP_MASK) << MODE_SP_SHIFT | \
|
|
((daif) & SPSR_DAIF_MASK) << SPSR_DAIF_SHIFT)
|
|
|
|
#define SPSR_FIQ (1 << 6)
|
|
#define SPSR_IRQ (1 << 7)
|
|
#define SPSR_SERROR (1 << 8)
|
|
#define SPSR_DEBUG (1 << 9)
|
|
#define SPSR_EXCEPTION_MASK (SPSR_FIQ | SPSR_IRQ | SPSR_SERROR | SPSR_DEBUG)
|
|
|
|
#define DAIF_FIQ_BIT (1<<0)
|
|
#define DAIF_IRQ_BIT (1<<1)
|
|
#define DAIF_ABT_BIT (1<<2)
|
|
#define DAIF_DBG_BIT (1<<3)
|
|
#define DISABLE_ALL_EXECPTIONS \
|
|
(DAIF_FIQ_BIT | DAIF_IRQ_BIT | DAIF_ABT_BIT | DAIF_DBG_BIT)
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
/*******************************************************************************
|
|
* Structure used for telling the next BL how much of a particular type of
|
|
* memory is available for its use and how much is already used.
|
|
******************************************************************************/
|
|
struct aapcs64_params {
|
|
unsigned long arg0;
|
|
unsigned long arg1;
|
|
unsigned long arg2;
|
|
unsigned long arg3;
|
|
unsigned long arg4;
|
|
unsigned long arg5;
|
|
unsigned long arg6;
|
|
unsigned long arg7;
|
|
};
|
|
|
|
/***************************************************************************
|
|
* This structure provides version information and the size of the
|
|
* structure, attributes for the structure it represents
|
|
***************************************************************************/
|
|
struct param_header {
|
|
uint8_t type; /* type of the structure */
|
|
uint8_t version; /* version of this structure */
|
|
uint16_t size; /* size of this structure in bytes */
|
|
uint32_t attr; /* attributes: unused bits SBZ */
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* This structure represents the superset of information needed while
|
|
* switching exception levels. The only two mechanisms to do so are
|
|
* ERET & SMC. Security state is indicated using bit zero of header
|
|
* attribute
|
|
* NOTE: BL1 expects entrypoint followed by spsr at an offset from the start
|
|
* of this structure defined by the macro `ENTRY_POINT_INFO_PC_OFFSET` while
|
|
* processing SMC to jump to BL31.
|
|
*****************************************************************************/
|
|
struct entry_point_info {
|
|
struct param_header h;
|
|
uintptr_t pc;
|
|
uint32_t spsr;
|
|
struct aapcs64_params args;
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* Image info binary provides information from the image loader that
|
|
* can be used by the firmware to manage available trusted RAM.
|
|
* More advanced firmware image formats can provide additional
|
|
* information that enables optimization or greater flexibility in the
|
|
* common firmware code
|
|
*****************************************************************************/
|
|
struct atf_image_info {
|
|
struct param_header h;
|
|
uintptr_t image_base; /* physical address of base of image */
|
|
uint32_t image_size; /* bytes read from image file */
|
|
#if CONFIG_IS_ENABLED(ATF_LOAD_IMAGE_V2)
|
|
uint32_t image_max_size;
|
|
#endif
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* The image descriptor struct definition.
|
|
*****************************************************************************/
|
|
struct image_desc {
|
|
/* Contains unique image id for the image. */
|
|
unsigned int image_id;
|
|
/*
|
|
* This member contains Image state information.
|
|
* Refer IMAGE_STATE_XXX defined above.
|
|
*/
|
|
unsigned int state;
|
|
uint32_t copied_size; /* image size copied in blocks */
|
|
struct atf_image_info atf_image_info;
|
|
struct entry_point_info ep_info;
|
|
};
|
|
|
|
/*******************************************************************************
|
|
* This structure represents the superset of information that can be passed to
|
|
* BL31 e.g. while passing control to it from BL2. The BL32 parameters will be
|
|
* populated only if BL2 detects its presence. A pointer to a structure of this
|
|
* type should be passed in X0 to BL31's cold boot entrypoint.
|
|
*
|
|
* Use of this structure and the X0 parameter is not mandatory: the BL31
|
|
* platform code can use other mechanisms to provide the necessary information
|
|
* about BL32 and BL33 to the common and SPD code.
|
|
*
|
|
* BL31 image information is mandatory if this structure is used. If either of
|
|
* the optional BL32 and BL33 image information is not provided, this is
|
|
* indicated by the respective image_info pointers being zero.
|
|
******************************************************************************/
|
|
struct bl31_params {
|
|
struct param_header h;
|
|
struct atf_image_info *bl31_image_info;
|
|
struct entry_point_info *bl32_ep_info;
|
|
struct atf_image_info *bl32_image_info;
|
|
struct entry_point_info *bl33_ep_info;
|
|
struct atf_image_info *bl33_image_info;
|
|
};
|
|
|
|
/* BL image node in the BL image execution sequence */
|
|
struct bl_params_node {
|
|
unsigned int image_id;
|
|
struct atf_image_info *image_info;
|
|
struct entry_point_info *ep_info;
|
|
struct bl_params_node *next_params_info;
|
|
};
|
|
|
|
/*
|
|
* BL image head node in the BL image execution sequence
|
|
* It is also used to pass information to next BL image.
|
|
*/
|
|
struct bl_params {
|
|
struct param_header h;
|
|
struct bl_params_node *head;
|
|
};
|
|
|
|
#define for_each_bl_params_node(bl_params, node) \
|
|
for ((node) = (bl_params)->head; \
|
|
(node); \
|
|
(node) = (node)->next_params_info)
|
|
|
|
#endif /*__ASSEMBLY__ */
|
|
|
|
#endif /* __BL_COMMON_H__ */
|