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a0aff2a6f5
Add the HW version read directly from EEPROM. EEPROM chip data structure is now in a .h file common to draco and capricorn. Therefore move out the definitions in draco board to siemens common place. From: Alessandro Zini <alessandro.zini@siemens.com> Signed-off-by: Alessandro Zini <alessandro.zini@siemens.com> Signed-off-by: Heiko Schocher <hs@denx.de>
45 lines
1.9 KiB
C
45 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Common board functions for siemens based boards
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* (C) Copyright 2022 Siemens Schweiz AG
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*/
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#ifndef __COMMON_BOARD_H
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#define __COMMON_BOARD_H
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/*
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* Chip data
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* Offset in EEPROM: 0x120 - 0x14F
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*
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* -----------------------------------------------------------------------------------
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* | Address range | Content |
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* -----------------------------------------------------------------------------------
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* | 0x120 - 0x123 | Magic Number - 0x43484950 (4 byte) |
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* -----------------------------------------------------------------------------------
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* | 0x124 - 0x133 | Device Nomenclature (15 + 1 byte) |
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* -----------------------------------------------------------------------------------
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* | 0x134 - 0x13A | HW Version of the form "v00.00" (6 + 1 byte) |
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* | | - First 2 digits: Layout revision (starting from 1) |
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* | | - Last 2 digits: Assembly variant revision (starting from 1) |
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* -----------------------------------------------------------------------------------
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* | 0x13B - 0x13F | Flash Size in Gibit (4 + 1 byte) |
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* -----------------------------------------------------------------------------------
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* | 0x140 - 0x144 | Ram Size in Gibit (4 + 1 byte) |
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* -----------------------------------------------------------------------------------
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* | 0x145 - 0x14F | Sequence number, equals DMC-code (10 + 1 byte) [OBSOLETE] |
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* -----------------------------------------------------------------------------------
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*/
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#define MAGIC_CHIP 0x50494843
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#define EEPROM_CHIP_OFFSET 0x120
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struct chip_data {
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unsigned int magic;
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char sdevname[16];
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char shwver[7];
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char flash_size[5];
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char ram_size[5];
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};
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#endif /* __COMMON_BOARD_H */
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