| /* |
| * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef _PICO_BOOTROM_CONSTANTS_H |
| #define _PICO_BOOTROM_CONSTANTS_H |
| |
| #ifndef NO_PICO_PLATFORM |
| #include "pico/platform.h" |
| #endif |
| |
| // ROOT ADDRESSES |
| #define BOOTROM_MAGIC_OFFSET 0x10 |
| #define BOOTROM_FUNC_TABLE_OFFSET 0x14 |
| #if PICO_RP2040 |
| #define BOOTROM_DATA_TABLE_OFFSET 0x16 |
| #endif |
| |
| #if PICO_RP2040 |
| #define BOOTROM_VTABLE_OFFSET 0x00 |
| #define BOOTROM_TABLE_LOOKUP_OFFSET 0x18 |
| #else |
| // todo remove this (or #ifdef it for A1/A2) |
| #define BOOTROM_IS_A2() ((*(volatile uint8_t *)0x13) == 2) |
| #define BOOTROM_WELL_KNOWN_PTR_SIZE (BOOTROM_IS_A2() ? 2 : 4) |
| #if defined(__riscv) |
| #define BOOTROM_ENTRY_OFFSET 0x7dfc |
| #define BOOTROM_TABLE_LOOKUP_ENTRY_OFFSET (BOOTROM_ENTRY_OFFSET - BOOTROM_WELL_KNOWN_PTR_SIZE) |
| #define BOOTROM_TABLE_LOOKUP_OFFSET (BOOTROM_ENTRY_OFFSET - BOOTROM_WELL_KNOWN_PTR_SIZE*2) |
| #else |
| #define BOOTROM_VTABLE_OFFSET 0x00 |
| #define BOOTROM_TABLE_LOOKUP_OFFSET (BOOTROM_FUNC_TABLE_OFFSET + BOOTROM_WELL_KNOWN_PTR_SIZE) |
| #endif |
| #endif |
| |
| #if !PICO_RP2040 || PICO_COMBINED_DOCS |
| |
| #define BOOTROM_OK 0 |
| //#define BOOTROM_ERROR_TIMEOUT (-1) |
| //#define BOOTROM_ERROR_GENERIC (-2) |
| //#define BOOTROM_ERROR_NO_DATA (-3) // E.g. read from an empty buffer/FIFO |
| #define BOOTROM_ERROR_NOT_PERMITTED (-4) // Permission violation e.g. write to read-only flash partition |
| #define BOOTROM_ERROR_INVALID_ARG (-5) // Argument is outside of range of supported values` |
| //#define BOOTROM_ERROR_IO (-6) |
| //#define BOOTROM_ERROR_BADAUTH (-7) |
| //#define BOOTROM_ERROR_CONNECT_FAILED (-8) |
| //#define BOOTROM_ERROR_INSUFFICIENT_RESOURCES (-9) // Dynamic allocation of resources failed |
| #define BOOTROM_ERROR_INVALID_ADDRESS (-10) // Address argument was out-of-bounds or was determined to be an address that the caller may not access |
| #define BOOTROM_ERROR_BAD_ALIGNMENT (-11) // Address modulo transfer chunk size was nonzero (e.g. word-aligned transfer with address % 4 != 0) |
| #define BOOTROM_ERROR_INVALID_STATE (-12) // Something happened or failed to happen in the past, and consequently we (currently) can't service the request |
| #define BOOTROM_ERROR_BUFFER_TOO_SMALL (-13) // A user-allocated buffer was too small to hold the result or working state of this function |
| #define BOOTROM_ERROR_PRECONDITION_NOT_MET (-14) // This call failed because another ROM function must be called first |
| #define BOOTROM_ERROR_MODIFIED_DATA (-15) // Cached data was determined to be inconsistent with the full version of the data it was calculated from |
| #define BOOTROM_ERROR_INVALID_DATA (-16) // A data structure failed to validate |
| #define BOOTROM_ERROR_NOT_FOUND (-17) // Attempted to access something that does not exist; or, a search failed |
| #define BOOTROM_ERROR_UNSUPPORTED_MODIFICATION (-18) // Write is impossible based on previous writes; e.g. attempted to clear an OTP bit |
| #define BOOTROM_ERROR_LOCK_REQUIRED (-19) // A required lock is not owned |
| #define BOOTROM_ERROR_LAST (-19) |
| |
| #define RT_FLAG_FUNC_RISCV 0x0001 |
| #define RT_FLAG_FUNC_RISCV_FAR 0x0003 |
| #define RT_FLAG_FUNC_ARM_SEC 0x0004 |
| // reserved for 32-bit pointer: 0x0008 |
| #define RT_FLAG_FUNC_ARM_NONSEC 0x0010 |
| // reserved for 32-bit pointer: 0x0020 |
| #define RT_FLAG_DATA 0x0040 |
| // reserved for 32-bit pointer: 0x0080 |
| |
| #define PARTITION_TABLE_MAX_PARTITIONS 16 |
| // note this is deliberately > MAX_PARTITIONs is likely to be, and also -1 as a signed byte |
| #define PARTITION_TABLE_NO_PARTITION_INDEX 0xff |
| |
| // todo these are duplicated in picoboot_constants.h |
| // values 0-7 are secure/non-secure |
| #define BOOT_TYPE_NORMAL 0 |
| #define BOOT_TYPE_BOOTSEL 2 |
| #define BOOT_TYPE_RAM_IMAGE 3 |
| #define BOOT_TYPE_FLASH_UPDATE 4 |
| |
| // values 8-15 are secure only |
| #define BOOT_TYPE_PC_SP 0xd |
| |
| // ORed in if a bootloader chained into the image |
| #define BOOT_TYPE_CHAINED_FLAG 0x80 |
| |
| // call from NS to S |
| #ifndef __riscv |
| #define BOOTROM_API_CALLBACK_secure_call 0 |
| #endif |
| #define BOOTROM_API_CALLBACK_COUNT 1 |
| |
| #define BOOTROM_LOCK_SHA_256 0 |
| #define BOOTROM_LOCK_FLASH_OP 1 |
| #define BOOTROM_LOCK_OTP 2 |
| #define BOOTROM_LOCK_MAX 2 |
| |
| #define BOOTROM_LOCK_ENABLE 7 |
| |
| #define BOOT_PARTITION_NONE (-1) |
| #define BOOT_PARTITION_SLOT0 (-2) |
| #define BOOT_PARTITION_SLOT1 (-3) |
| #define BOOT_PARTITION_WINDOW (-4) |
| |
| #define BOOT_DIAGNOSTIC_WINDOW_SEARCHED 0x01 |
| // note if both BOOT_DIAGNOSTIC_INVALID_BLOCK_LOOP and BOOT_DIAGNOSTIC_VALID_BLOCK_LOOP then the block loop was valid |
| // but it has a PARTITION_TABLE which while it passed the initial verification (and hash/sig) had invalid contents |
| // (discovered when it was later loaded) |
| #define BOOT_DIAGNOSTIC_INVALID_BLOCK_LOOP 0x02 |
| #define BOOT_DIAGNOSTIC_VALID_BLOCK_LOOP 0x04 |
| #define BOOT_DIAGNOSTIC_VALID_IMAGE_DEF 0x08 |
| #define BOOT_DIAGNOSTIC_HAS_PARTITION_TABLE 0x10 |
| #define BOOT_DIAGNOSTIC_CONSIDERED 0x20 |
| #define BOOT_DIAGNOSTIC_CHOSEN 0x40 |
| #define BOOT_DIAGNOSTIC_PARTITION_TABLE_LSB 7 |
| #define BOOT_DIAGNOSTIC_PARTITION_TABLE_MATCHING_KEY_FOR_VERIFY 0x80 |
| #define BOOT_DIAGNOSTIC_PARTITION_TABLE_HASH_FOR_VERIFY 0x100 |
| #define BOOT_DIAGNOSTIC_PARTITION_TABLE_VERIFIED_OK 0x200 |
| #define BOOT_DIAGNOSTIC_IMAGE_DEF_LSB 10 |
| #define BOOT_DIAGNOSTIC_IMAGE_DEF_MATCHING_KEY_FOR_VERIFY 0x400 |
| #define BOOT_DIAGNOSTIC_IMAGE_DEF_HASH_FOR_VERIFY 0x800 |
| #define BOOT_DIAGNOSTIC_IMAGE_DEF_VERIFIED_OK 0x1000 |
| |
| #define BOOT_DIAGNOSTIC_LOAD_MAP_ENTRIES_LOADED 0x2000 |
| #define BOOT_DIAGNOSTIC_IMAGE_LAUNCHED 0x4000 |
| #define BOOT_DIAGNOSTIC_IMAGE_CONDITION_FAILURE 0x8000 |
| |
| #define BOOT_PARSED_BLOCK_DIAGNOSTIC_MATCHING_KEY_FOR_VERIFY 0x1 // if this is present and VERIFIED_OK isn't the sig check failed |
| #define BOOT_PARSED_BLOCK_DIAGNOSTIC_HASH_FOR_VERIFY 0x2 // if this is present and VERIFIED_OL isn't then hash check failed |
| #define BOOT_PARSED_BLOCK_DIAGNOSTIC_VERIFIED_OK 0x4 |
| |
| #define BOOT_TBYB_AND_UPDATE_FLAG_BUY_PENDING 0x1 |
| #define BOOT_TBYB_AND_UPDATE_FLAG_OTP_VERSION_APPLIED 0x2 |
| #define BOOT_TBYB_AND_UPDATE_FLAG_OTHER_ERASED 0x4 |
| |
| #ifndef __ASSEMBLER__ |
| // Limited to 3 arguments in case of varm multiplex hint (trashes Arm r3) |
| typedef int (*bootrom_api_callback_generic_t)(uint32_t r0, uint32_t r1, uint32_t r2); |
| // Return negative for error, else number of bytes transferred: |
| //typedef int (*bootrom_api_callback_stdout_put_blocking_t)(const uint8_t *buffer, uint32_t size); |
| //typedef int (*bootrom_api_callback_stdin_get_t)(uint8_t *buffer, uint32_t size); |
| //typedef void (*bootrom_api_callback_core1_security_setup_t)(void); |
| #endif |
| |
| #endif |
| |
| /*! \brief Return a bootrom lookup code based on two ASCII characters |
| * \ingroup pico_bootrom |
| * |
| * These codes are uses to lookup data or function addresses in the bootrom |
| * |
| * \param c1 the first character |
| * \param c2 the second character |
| * \return the 'code' to use in rom_func_lookup() or rom_data_lookup() |
| */ |
| #define ROM_TABLE_CODE(c1, c2) ((c1) | ((c2) << 8)) |
| |
| // ROM FUNCTIONS |
| |
| // RP2040 & RP2350 |
| #define ROM_DATA_SOFTWARE_GIT_REVISION ROM_TABLE_CODE('G', 'R') |
| #define ROM_FUNC_FLASH_ENTER_CMD_XIP ROM_TABLE_CODE('C', 'X') |
| #define ROM_FUNC_FLASH_EXIT_XIP ROM_TABLE_CODE('E', 'X') |
| #define ROM_FUNC_FLASH_FLUSH_CACHE ROM_TABLE_CODE('F', 'C') |
| #define ROM_FUNC_CONNECT_INTERNAL_FLASH ROM_TABLE_CODE('I', 'F') |
| #define ROM_FUNC_FLASH_RANGE_ERASE ROM_TABLE_CODE('R', 'E') |
| #define ROM_FUNC_FLASH_RANGE_PROGRAM ROM_TABLE_CODE('R', 'P') |
| |
| |
| #if PICO_RP2040 |
| // RP2040 only |
| #define ROM_FUNC_MEMCPY44 ROM_TABLE_CODE('C', '4') |
| #define ROM_DATA_COPYRIGHT ROM_TABLE_CODE('C', 'R') |
| #define ROM_FUNC_CLZ32 ROM_TABLE_CODE('L', '3') |
| #define ROM_FUNC_MEMCPY ROM_TABLE_CODE('M', 'C') |
| #define ROM_FUNC_MEMSET ROM_TABLE_CODE('M', 'S') |
| #define ROM_FUNC_POPCOUNT32 ROM_TABLE_CODE('P', '3') |
| #define ROM_FUNC_REVERSE32 ROM_TABLE_CODE('R', '3') |
| #define ROM_FUNC_MEMSET4 ROM_TABLE_CODE('S', '4') |
| #define ROM_FUNC_CTZ32 ROM_TABLE_CODE('T', '3') |
| #define ROM_FUNC_RESET_USB_BOOT ROM_TABLE_CODE('U', 'B') |
| #endif |
| |
| #if !PICO_RP2040 || PICO_COMBINED_DOCS |
| // RP2350 only |
| #define ROM_FUNC_PICK_AB_PARTITION ROM_TABLE_CODE('A', 'B') |
| #define ROM_FUNC_CHAIN_IMAGE ROM_TABLE_CODE('C', 'I') |
| #define ROM_FUNC_EXPLICIT_BUY ROM_TABLE_CODE('E', 'B') |
| #define ROM_FUNC_FLASH_RUNTIME_TO_STORAGE_ADDR ROM_TABLE_CODE('F', 'A') |
| #define ROM_DATA_FLASH_DEVINFO16_PTR ROM_TABLE_CODE('F', 'D') |
| #define ROM_FUNC_FLASH_OP ROM_TABLE_CODE('F', 'O') |
| #define ROM_FUNC_GET_B_PARTITION ROM_TABLE_CODE('G', 'B') |
| #define ROM_FUNC_GET_PARTITION_TABLE_INFO ROM_TABLE_CODE('G', 'P') |
| #define ROM_FUNC_GET_SYS_INFO ROM_TABLE_CODE('G', 'S') |
| #define ROM_FUNC_GET_UF2_TARGET_PARTITION ROM_TABLE_CODE('G', 'U') |
| #define ROM_FUNC_LOAD_PARTITION_TABLE ROM_TABLE_CODE('L', 'P') |
| #define ROM_FUNC_OTP_ACCESS ROM_TABLE_CODE('O', 'A') |
| #define ROM_DATA_PARTITION_TABLE_PTR ROM_TABLE_CODE('P', 'T') |
| #define ROM_FUNC_FLASH_RESET_ADDRESS_TRANS ROM_TABLE_CODE('R', 'A') |
| #define ROM_FUNC_REBOOT ROM_TABLE_CODE('R', 'B') |
| #define ROM_FUNC_SET_ROM_CALLBACK ROM_TABLE_CODE('R', 'C') |
| #define ROM_FUNC_SECURE_CALL ROM_TABLE_CODE('S', 'C') |
| #define ROM_FUNC_SET_NS_API_PERMISSION ROM_TABLE_CODE('S', 'P') |
| #define ROM_FUNC_BOOTROM_STATE_RESET ROM_TABLE_CODE('S', 'R') |
| #define ROM_FUNC_SET_BOOTROM_STACK ROM_TABLE_CODE('S', 'S') |
| #define ROM_DATA_SAVED_XIP_SETUP_FUNC_PTR ROM_TABLE_CODE('X', 'F') |
| #define ROM_FUNC_FLASH_SELECT_XIP_READ_MODE ROM_TABLE_CODE('X', 'M') |
| #define ROM_FUNC_VALIDATE_NS_BUFFER ROM_TABLE_CODE('V', 'B') |
| #endif |
| |
| // these form a bit set |
| #define BOOTROM_STATE_RESET_CURRENT_CORE 0x01 |
| #define BOOTROM_STATE_RESET_OTHER_CORE 0x02 |
| #define BOOTROM_STATE_RESET_GLOBAL_STATE 0x04 // reset any global state (e.g. permissions) |
| |
| // partition level stuff is returned first (note PT_INFO flags is only 16 bits) |
| |
| // 3 words: pt_count, unpartitioned_perm_loc, unpartioned_perm_flags |
| #define PT_INFO_PT_INFO 0x0001 |
| #define PT_INFO_SINGLE_PARTITION 0x8000 // marker to just include a single partition in the results) |
| |
| // then in order per partition selected |
| |
| // 2 words: unpartitioned_perm_loc, unpartioned_perm_flags |
| #define PT_INFO_PARTITION_LOCATION_AND_FLAGS 0x0010 |
| // 2 words: id lsb first |
| #define PT_INFO_PARTITION_ID 0x0020 |
| // n+1 words: n, family_id... |
| #define PT_INFO_PARTITION_FAMILY_IDS 0x0040 |
| // (n+3)/4 words... bytes are: n (len), c0, c1, ... cn-1 padded to word boundary with zeroes |
| #define PT_INFO_PARTITION_NAME 0x0080 |
| |
| // items are returned in order |
| // 3 words package_id, device_id, wafer_id |
| #define SYS_INFO_CHIP_INFO 0x0001 |
| // 1 word: chip specific critical bits |
| #define SYS_INFO_CRITICAL 0x0002 |
| // 1 word: bytes: cpu_type, supported_cpu_type_bitfield |
| #define SYS_INFO_CPU_INFO 0x0004 |
| // 1 word: same as FLASH_DEVINFO row in OTP |
| #define SYS_INFO_FLASH_DEV_INFO 0x0008 |
| // 4 words |
| #define SYS_INFO_BOOT_RANDOM 0x0010 |
| // 2 words lsb first |
| #define SYS_INFO_NONCE 0x0020 |
| // 4 words boot_info, boot_diagnostic, boot_param0, boot_param1 |
| #define SYS_INFO_BOOT_INFO 0x0040 |
| |
| #define BOOTROM_NS_API_get_sys_info 0 |
| #define BOOTROM_NS_API_checked_flash_op 1 |
| #define BOOTROM_NS_API_flash_runtime_to_storage_addr 2 |
| #define BOOTROM_NS_API_get_partition_table_info 3 |
| #define BOOTROM_NS_API_secure_call 4 |
| #define BOOTROM_NS_API_otp_access 5 |
| #define BOOTROM_NS_API_reboot 6 |
| #define BOOTROM_NS_API_get_b_partition 7 |
| #define BOOTROM_NS_API_COUNT 8 |
| |
| #ifndef __ASSEMBLER__ |
| |
| typedef struct { |
| uint32_t permissions_and_location; |
| uint32_t permissions_and_flags; |
| } resident_partition_t; |
| static_assert(sizeof(resident_partition_t) == 8, ""); |
| |
| #define OTP_CMD_ROW_BITS 0x0000ffffu |
| #define OTP_CMD_ROW_LSB 0u |
| #define OTP_CMD_WRITE_BITS 0x00010000u |
| #define OTP_CMD_ECC_BITS 0x00020000u |
| |
| typedef struct otp_cmd { |
| uint32_t flags; |
| } otp_cmd_t; |
| |
| typedef enum { |
| BOOTROM_XIP_MODE_03H_SERIAL = 0, |
| BOOTROM_XIP_MODE_0BH_SERIAL, |
| BOOTROM_XIP_MODE_BBH_DUAL, |
| BOOTROM_XIP_MODE_EBH_QUAD, |
| BOOTROM_XIP_MODE_N_MODES |
| } bootrom_xip_mode_t; |
| |
| // The checked flash API wraps the low-level flash routines from generic_flash, adding bounds |
| // checking, permission checking against the resident partition table, and simple address |
| // translation. The low-level API deals with flash offsets (i.e. distance from the start of the |
| // first flash device, measured in bytes) but the checked flash API accepts one of two types of |
| // address: |
| // |
| // - Flash runtime addresses: the address of some flash-resident data or code in the currently |
| // running image. The flash addresses your binary is "linked at" by the linker. |
| // - Flash storage addresses: a flash offset, plus the address base where QSPI hardware is first |
| // mapped on the system bus (XIP_BASE constant from addressmap.h) |
| // |
| // These addresses are one and the same *if* the currently running program is stored at the |
| // beginning of flash. They are different if the start of your image has been "rolled" by the flash |
| // boot path to make it appear at the address it was linked at even though it is stored at a |
| // different location in flash, which is necessary when you have A/B images for example. |
| // |
| // The address translation between flash runtime and flash storage addresses is configured in |
| // hardware by the QMI_ATRANSx registers, and this API assumes those registers contain a valid |
| // address mapping which it can use to translate runtime to storage addresses. |
| |
| typedef struct cflash_flags { |
| uint32_t flags; |
| } cflash_flags_t; |
| |
| // Bits which are permitted to be set in a flags variable -- any other bits being set is an error |
| #define CFLASH_FLAGS_BITS 0x00070301u |
| |
| // Used to tell checked flash API which space a given address belongs to |
| #define CFLASH_ASPACE_BITS 0x00000001u |
| #define CFLASH_ASPACE_LSB 0u |
| #define CFLASH_ASPACE_VALUE_STORAGE 0u |
| #define CFLASH_ASPACE_VALUE_RUNTIME 1u |
| |
| // Used to tell checked flash APIs the effective security level of a flash access (may be forced to |
| // one of these values for the NonSecure-exported version of this API) |
| #define CFLASH_SECLEVEL_BITS 0x00000300u |
| #define CFLASH_SECLEVEL_LSB 8u |
| // Zero is not a valid security level: |
| #define CFLASH_SECLEVEL_VALUE_SECURE 1u |
| #define CFLASH_SECLEVEL_VALUE_NONSECURE 2u |
| #define CFLASH_SECLEVEL_VALUE_BOOTLOADER 3u |
| |
| #define CFLASH_OP_BITS 0x00070000u |
| #define CFLASH_OP_LSB 16u |
| // Erase size_bytes bytes of flash, starting at address addr. Both addr and size_bytes must be a |
| // multiple of 4096 bytes (one flash sector). |
| #define CFLASH_OP_VALUE_ERASE 0u |
| // Program size_bytes bytes of flash, starting at address addr. Both addr and size_bytes must be a |
| // multiple of 256 bytes (one flash page). |
| #define CFLASH_OP_VALUE_PROGRAM 1u |
| // Read size_bytes bytes of flash, starting at address addr. There are no alignment restrictions on |
| // addr or size_bytes. |
| #define CFLASH_OP_VALUE_READ 2u |
| #define CFLASH_OP_MAX 2u |
| |
| #endif |
| |
| #endif |
