header.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#ifndef __SOC_TI_AM335X_HEADER_H
#define __SOC_TI_AM335X_HEADER_H
 
#include <stdint.h>
 
struct configuration_header_toc_item {
        // Offset from the start address of the TOC to the actual address of
        // a section.
        uint32_t start;
 
        // Size of a section.
        uint32_t size;
 
        // Reserved.
        uint32_t reserved[3];
 
        // 12-character name of a section, including the zero (\0) terminator.
        char filename[12];
} __packed;
 
struct configuration_header_settings {
        // Key used for section verification.
        uint32_t key;
 
        // Enables or disables the section.
        // 00h: Disable.
        // Other: Enable.
        uint8_t valid;
 
        // Configuration header version.
        uint8_t version;
 
        // Reserved.
        uint16_t reserved;
 
        // Flags. It's not clear what this is used for.
        uint32_t flags;
} __packed;
 
struct gp_device_header {
        // Size of the image.
        uint32_t size;
 
        // Address to store the image/code entry point.
        uint32_t destination;
} __packed;
 
struct config_headers {
        // The table of contents.
        struct configuration_header_toc_item toc_chsettings;
        struct configuration_header_toc_item toc_end;
 
        // An inert instance of chsettings.
        struct configuration_header_settings chsettings;
} __packed;
 
struct omap_image_headers {
        union {
                struct config_headers config_headers;
                uint8_t bytes[512];
        };
        struct gp_device_header image_header;
};
 
#endif