xref: /openbmc/u-boot/board/freescale/common/eeprom.h (revision e8f80a5a)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2004 Freescale Semiconductor.
4  */
5 
6 #ifndef __EEPROM_H_
7 #define __EEPROM_H_
8 
9 
10 /*
11  * EEPROM Board System Register interface.
12  */
13 
14 
15 /*
16  * CPU Board Revision
17  */
18 #define MPC85XX_CPU_BOARD_REV(maj, min)	((((maj)&0xff) << 8) | ((min) & 0xff))
19 #define MPC85XX_CPU_BOARD_MAJOR(rev)	(((rev) >> 8) & 0xff)
20 #define MPC85XX_CPU_BOARD_MINOR(rev)	((rev) & 0xff)
21 
22 #define MPC85XX_CPU_BOARD_REV_UNKNOWN	MPC85XX_CPU_BOARD_REV(0,0)
23 #define MPC85XX_CPU_BOARD_REV_1_0	MPC85XX_CPU_BOARD_REV(1,0)
24 #define MPC85XX_CPU_BOARD_REV_1_1	MPC85XX_CPU_BOARD_REV(1,1)
25 
26 /*
27  * Returns CPU board revision register as a 16-bit value with
28  * the Major in the high byte, and Minor in the low byte.
29  */
30 extern unsigned int get_cpu_board_revision(void);
31 
32 
33 #endif	/* __CADMUS_H_ */
34