xref: /openbmc/u-boot/board/freescale/common/eeprom.h (revision 1021af4d)
1 /*
2  * Copyright 2004 Freescale Semiconductor.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef __EEPROM_H_
8 #define __EEPROM_H_
9 
10 
11 /*
12  * EEPROM Board System Register interface.
13  */
14 
15 
16 /*
17  * CPU Board Revision
18  */
19 #define MPC85XX_CPU_BOARD_REV(maj, min)	((((maj)&0xff) << 8) | ((min) & 0xff))
20 #define MPC85XX_CPU_BOARD_MAJOR(rev)	(((rev) >> 8) & 0xff)
21 #define MPC85XX_CPU_BOARD_MINOR(rev)	((rev) & 0xff)
22 
23 #define MPC85XX_CPU_BOARD_REV_UNKNOWN	MPC85XX_CPU_BOARD_REV(0,0)
24 #define MPC85XX_CPU_BOARD_REV_1_0	MPC85XX_CPU_BOARD_REV(1,0)
25 #define MPC85XX_CPU_BOARD_REV_1_1	MPC85XX_CPU_BOARD_REV(1,1)
26 
27 /*
28  * Returns CPU board revision register as a 16-bit value with
29  * the Major in the high byte, and Minor in the low byte.
30  */
31 extern unsigned int get_cpu_board_revision(void);
32 
33 
34 #endif	/* __CADMUS_H_ */
35