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