diff options
Diffstat (limited to 'arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h')
| -rw-r--r-- | arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h new file mode 100644 index 00000000000..bf184c8a884 --- /dev/null +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h @@ -0,0 +1,259 @@ +/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */ +/* + * Copyright (C) 2020, STMicroelectronics - All Rights Reserved + */ + +#ifndef _STM32PROG_H_ +#define _STM32PROG_H_ + +#include <linux/printk.h> + +/* - phase defines ------------------------------------------------*/ +#define PHASE_FLASHLAYOUT 0x00 +#define PHASE_FIRST_USER 0x10 +#define PHASE_LAST_USER 0xF0 +#define PHASE_CMD 0xF1 +#define PHASE_OTP 0xF2 +#define PHASE_PMIC 0xF4 +#define PHASE_END 0xFE +#define PHASE_RESET 0xFF +#define PHASE_DO_RESET 0x1FF + +#define DEFAULT_ADDRESS 0xFFFFFFFF + +#define CMD_SIZE 512 +/* SMC is only supported in SPMIN for STM32MP15x */ +#ifdef CONFIG_STM32MP15X +#define OTP_SIZE_SMC 1024 +#else +#define OTP_SIZE_SMC 0 +#endif +/* size of the OTP struct in NVMEM PTA */ +#define _OTP_SIZE_TA(otp) (((otp) * 2 + 2) * 4) +#if defined(CONFIG_STM32MP13X) || defined(CONFIG_STM32MP15X) +/* STM32MP1 with BSEC2 */ +#define OTP_SIZE_TA _OTP_SIZE_TA(96) +#else +/* STM32MP2 with BSEC3 */ +#define OTP_SIZE_TA _OTP_SIZE_TA(368) +#endif +#define PMIC_SIZE 8 + +enum stm32prog_target { + STM32PROG_NONE, + STM32PROG_MMC, + STM32PROG_NAND, + STM32PROG_NOR, + STM32PROG_SPI_NAND, + STM32PROG_RAM +}; + +enum stm32prog_link_t { + LINK_SERIAL, + LINK_USB, + LINK_UNDEFINED, +}; + +enum stm32prog_header_t { + HEADER_NONE, + HEADER_STM32IMAGE, + HEADER_STM32IMAGE_V2, + HEADER_FIP, +}; + +struct image_header_s { + enum stm32prog_header_t type; + u32 image_checksum; + u32 image_length; + u32 length; +}; + +struct stm32_header_v1 { + u32 magic_number; + u8 image_signature[64]; + u32 image_checksum; + u32 header_version; + u32 image_length; + u32 image_entry_point; + u32 reserved1; + u32 load_address; + u32 reserved2; + u32 version_number; + u32 option_flags; + u32 ecdsa_algorithm; + u8 ecdsa_public_key[64]; + u8 padding[83]; + u8 binary_type; +}; + +struct stm32_header_v2 { + u32 magic_number; + u8 image_signature[64]; + u32 image_checksum; + u32 header_version; + u32 image_length; + u32 image_entry_point; + u32 reserved1; + u32 load_address; + u32 reserved2; + u32 version_number; + u32 extension_flags; + u32 extension_headers_length; + u32 binary_type; + u8 padding[16]; + u32 extension_header_type; + u32 extension_header_length; + u8 extension_padding[376]; +}; + +/* + * partition type in flashlayout file + * SYSTEM = linux partition, bootable + * FILESYSTEM = linux partition + * ESP = EFI system partition + */ +enum stm32prog_part_type { + PART_BINARY, + PART_FIP, + PART_FWU_MDATA, + PART_ENV, + PART_SYSTEM, + PART_FILESYSTEM, + PART_ESP, + RAW_IMAGE, +}; + +/* device information */ +struct stm32prog_dev_t { + enum stm32prog_target target; + char dev_id; + u32 erase_size; + struct mmc *mmc; + struct mtd_info *mtd; + /* list of partition for this device / ordered in offset */ + struct list_head part_list; + bool full_update; +}; + +/* partition information build from FlashLayout and device */ +struct stm32prog_part_t { + /* FlashLayout information */ + int option; + int id; + enum stm32prog_part_type part_type; + enum stm32prog_target target; + char dev_id; + + /* partition name + * (16 char in gpt, + 1 for null terminated string + */ + char name[16 + 1]; + u64 addr; + u64 size; + enum stm32prog_part_type bin_nb; /* SSBL repeatition */ + + /* information on associated device */ + struct stm32prog_dev_t *dev; /* pointer to device */ + s16 part_id; /* partition id in device */ + int alt_id; /* alt id in usb/dfu */ + + struct list_head list; +}; + +#define STM32PROG_MAX_DEV 5 +struct stm32prog_data { + /* Layout information */ + int dev_nb; /* device number*/ + struct stm32prog_dev_t dev[STM32PROG_MAX_DEV]; /* array of device */ + int part_nb; /* nb of partition */ + struct stm32prog_part_t *part_array; /* array of partition */ + bool fsbl_nor_detected; + + /* command internal information */ + unsigned int phase; + u32 offset; + char error[255]; + struct stm32prog_part_t *cur_part; + void *otp_part; + u8 pmic_part[PMIC_SIZE]; + + /* SERIAL information */ + u32 cursor; + u32 packet_number; + u8 *buffer; /* size = USART_RAM_BUFFER_SIZE*/ + int dfu_seq; + u8 read_phase; + + /* bootm information */ + uintptr_t uimage; + uintptr_t dtb; + uintptr_t initrd; + size_t initrd_size; + + uintptr_t script; + + /* OPTEE PTA NVMEM */ + struct udevice *tee; + u32 tee_session; +}; + +extern struct stm32prog_data *stm32prog_data; + +/* OTP access */ +int stm32prog_otp_write(struct stm32prog_data *data, u32 offset, + u8 *buffer, long *size); +int stm32prog_otp_read(struct stm32prog_data *data, u32 offset, + u8 *buffer, long *size); +int stm32prog_otp_start(struct stm32prog_data *data); + +/* PMIC access */ +int stm32prog_pmic_write(struct stm32prog_data *data, u32 offset, + u8 *buffer, long *size); +int stm32prog_pmic_read(struct stm32prog_data *data, u32 offset, + u8 *buffer, long *size); +int stm32prog_pmic_start(struct stm32prog_data *data); + +/* generic part*/ +void stm32prog_header_check(uintptr_t raw_header, struct image_header_s *header); +int stm32prog_dfu_init(struct stm32prog_data *data); +void stm32prog_next_phase(struct stm32prog_data *data); +void stm32prog_do_reset(struct stm32prog_data *data); + +char *stm32prog_get_error(struct stm32prog_data *data); + +#define stm32prog_err(args...) {\ + if (data->phase != PHASE_RESET) { \ + sprintf(data->error, args); \ + data->phase = PHASE_RESET; \ + log_err("Error: %s\n", data->error); } \ + } + +/* Main function */ +int stm32prog_init(struct stm32prog_data *data, uintptr_t addr, ulong size); +void stm32prog_clean(struct stm32prog_data *data); + +#ifdef CONFIG_CMD_STM32PROG_SERIAL +int stm32prog_serial_init(struct stm32prog_data *data, int link_dev); +bool stm32prog_serial_loop(struct stm32prog_data *data); +#else +static inline int stm32prog_serial_init(struct stm32prog_data *data, int link_dev) +{ + return -ENOSYS; +} + +static inline bool stm32prog_serial_loop(struct stm32prog_data *data) +{ + return false; +} +#endif + +#ifdef CONFIG_CMD_STM32PROG_USB +bool stm32prog_usb_loop(struct stm32prog_data *data, int dev); +#else +static inline bool stm32prog_usb_loop(struct stm32prog_data *data, int dev) +{ + return false; +} +#endif + +#endif |