include/asm-ppc/ppc_sys.h

   1 /*
   2  * include/asm-ppc/ppc_sys.h
   3  *
   4  * PPC system definitions and library functions
   5  *
   6  * Maintainer: Kumar Gala <kumar.gala@freescale.com>
   7  *
   8  * Copyright 2005 Freescale Semiconductor, Inc
   9  *
  10  * This program is free software; you can redistribute  it and/or modify it
  11  * under  the terms of  the GNU General  Public License as published by the
  12  * Free Software Foundation;  either version 2 of the  License, or (at your
  13  * option) any later version.
  14  */
  15
  16 #ifdef __KERNEL__
  17 #ifndef __ASM_PPC_SYS_H
  18 #define __ASM_PPC_SYS_H
  19
  20 #include <linux/init.h>
  21 #include <linux/device.h>
  22 #include <linux/types.h>
  23
  24 #if defined(CONFIG_83xx)
  25 #include <asm/mpc83xx.h>
  26 #elif defined(CONFIG_85xx)
  27 #include <asm/mpc85xx.h>
  28 #elif defined(CONFIG_PPC_MPC52xx)
  29 #include <asm/mpc52xx.h>
  30 #else
  31 #error "need definition of ppc_sys_devices"
  32 #endif
  33
  34 struct ppc_sys_spec {
  35         /* PPC sys is matched via (ID & mask) == value, id could be
  36          * PVR, SVR, IMMR, * etc. */
  37         u32                     mask;
  38         u32                     value;
  39         u32                     num_devices;
  40         char                    *ppc_sys_name;
  41         enum ppc_sys_devices    *device_list;
  42 };
  43
  44 /* describes all specific chips and which devices they have on them */
  45 extern struct ppc_sys_spec ppc_sys_specs[];
  46 extern struct ppc_sys_spec *cur_ppc_sys_spec;
  47
  48 /* determine which specific SOC we are */
  49 extern void identify_ppc_sys_by_id(u32 id) __init;
  50 extern void identify_ppc_sys_by_name(char *name) __init;
  51
  52 /* describes all devices that may exist in a given family of processors */
  53 extern struct platform_device ppc_sys_platform_devices[];
  54
  55 /* allow any platform_device fixup to occur before device is registered */
  56 extern int (*ppc_sys_device_fixup) (struct platform_device * pdev);
  57
  58 /* Update all memory resources by paddr, call before platform_device_register */
  59 extern void ppc_sys_fixup_mem_resource(struct platform_device *pdev,
  60                                        phys_addr_t paddr) __init;
  61
  62 /* Get platform_data pointer out of platform device, call before platform_device_register */
  63 extern void *ppc_sys_get_pdata(enum ppc_sys_devices dev) __init;
  64
  65 /* remove a device from the system */
  66 extern void ppc_sys_device_remove(enum ppc_sys_devices dev);
  67
  68 #endif                          /* __ASM_PPC_SYS_H */
  69 #endif                          /* __KERNEL__ */