1 /* 2 * Copyright 2004 Freescale Semiconductor. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __CADMUS_H_ 8 #define __CADMUS_H_ 9 10 11 /* 12 * CADMUS Board System Register interface. 13 */ 14 15 /* 16 * Returns board version register. 17 */ 18 extern unsigned int get_board_version(void); 19 20 /* 21 * Returns either 33000000 or 66000000 as the SYS_CLK_FREQ. 22 */ 23 extern unsigned long get_clock_freq(void); 24 25 26 /* 27 * Returns 1 - 4, as found in the USER CSR[6:7] bits. 28 */ 29 extern unsigned int get_pci_slot(void); 30 31 32 /* 33 * Returns PCI DUAL as found in CM_PCI[3]. 34 */ 35 extern unsigned int get_pci_dual(void); 36 37 38 #endif /* __CADMUS_H_ */ 39