| wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2004 Freescale Semiconductor. |
| 3 | * |
| Wolfgang Denk | bd8ec7e | 2013-10-07 13:07:26 +0200 | [diff] [blame] | 4 | * SPDX-License-Identifier: GPL-2.0+ |
| wdenk | 0aeb853 | 2004-10-10 21:21:55 +0000 | [diff] [blame] | 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_ */ |