arch/ppc/syslib/ibm44x_common.h

   1 /*
   2  * PPC44x system library
   3  *
   4  * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
   5  * Copyright (c) 2003, 2004 Zultys Technologies
   6  *
   7  * This program is free software; you can redistribute  it and/or modify it
   8  * under  the terms of  the GNU General  Public License as published by the
   9  * Free Software Foundation;  either version 2 of the  License, or (at your
  10  * option) any later version.
  11  *
  12  */
  13 #ifdef __KERNEL__
  14 #ifndef __PPC_SYSLIB_IBM44x_COMMON_H
  15 #define __PPC_SYSLIB_IBM44x_COMMON_H
  16
  17 #ifndef __ASSEMBLY__
  18
  19 /*
  20  * All clocks are in Hz
  21  */
  22 struct ibm44x_clocks {
  23         unsigned int vco;       /* VCO, 0 if system PLL is bypassed */
  24         unsigned int cpu;       /* CPUCoreClk */
  25         unsigned int plb;       /* PLBClk */
  26         unsigned int opb;       /* OPBClk */
  27         unsigned int ebc;       /* PerClk */
  28         unsigned int uart0;
  29         unsigned int uart1;
  30 #ifdef CONFIG_440EP
  31         unsigned int uart2;
  32         unsigned int uart3;
  33 #endif
  34 };
  35
  36 /* common 44x platform init */
  37 void ibm44x_platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  38                           unsigned long r6, unsigned long r7) __init;
  39
  40 /* initialize decrementer and tick-related variables */
  41 void ibm44x_calibrate_decr(unsigned int freq) __init;
  42
  43 #endif /* __ASSEMBLY__ */
  44 #endif /* __PPC_SYSLIB_IBM44x_COMMON_H */
  45 #endif /* __KERNEL__ */