| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Common board functions for siemens based boards |
| * (C) Copyright 2022 Siemens Schweiz AG |
| */ |
| |
| #ifndef __COMMON_BOARD_H |
| #define __COMMON_BOARD_H |
| |
| /* |
| * Chip data |
| * Offset in EEPROM: 0x120 - 0x14F |
| * |
| * ----------------------------------------------------------------------------------- |
| * | Address range | Content | |
| * ----------------------------------------------------------------------------------- |
| * | 0x120 - 0x123 | Magic Number - 0x43484950 (4 byte) | |
| * ----------------------------------------------------------------------------------- |
| * | 0x124 - 0x133 | Device Nomenclature (15 + 1 byte) | |
| * ----------------------------------------------------------------------------------- |
| * | 0x134 - 0x13A | HW Version of the form "v00.00" (6 + 1 byte) | |
| * | | - First 2 digits: Layout revision (starting from 1) | |
| * | | - Last 2 digits: Assembly variant revision (starting from 1) | |
| * ----------------------------------------------------------------------------------- |
| * | 0x13B - 0x13F | Flash Size in Gibit (4 + 1 byte) | |
| * ----------------------------------------------------------------------------------- |
| * | 0x140 - 0x144 | Ram Size in Gibit (4 + 1 byte) | |
| * ----------------------------------------------------------------------------------- |
| * | 0x145 - 0x14F | Sequence number, equals DMC-code (10 + 1 byte) [OBSOLETE] | |
| * ----------------------------------------------------------------------------------- |
| */ |
| |
| #define MAGIC_CHIP 0x50494843 |
| #define EEPROM_CHIP_OFFSET 0x120 |
| |
| struct chip_data { |
| unsigned int magic; |
| char sdevname[16]; |
| char shwver[7]; |
| char flash_size[5]; |
| char ram_size[5]; |
| }; |
| |
| #endif /* __COMMON_BOARD_H */ |