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 #elif defined(CONFIG_MPC10X_BRIDGE)
  31 #include <asm/mpc10x.h>
  32 #else
  33 #error "need definition of ppc_sys_devices"
  34 #endif
  35
  36 struct ppc_sys_spec {
  37         /* PPC sys is matched via (ID & mask) == value, id could be
  38          * PVR, SVR, IMMR, * etc. */
  39         u32                     mask;
  40         u32                     value;
  41         u32                     num_devices;
  42         char                    *ppc_sys_name;
  43         enum ppc_sys_devices    *device_list;
  44 };
  45
  46 /* describes all specific chips and which devices they have on them */
  47 extern struct ppc_sys_spec ppc_sys_specs[];
  48 extern struct ppc_sys_spec *cur_ppc_sys_spec;
  49
  50 /* determine which specific SOC we are */
  51 extern void identify_ppc_sys_by_id(u32 id) __init;
  52 extern void identify_ppc_sys_by_name(char *name) __init;
  53
  54 /* describes all devices that may exist in a given family of processors */
  55 extern struct platform_device ppc_sys_platform_devices[];
  56
  57 /* allow any platform_device fixup to occur before device is registered */
  58 extern int (*ppc_sys_device_fixup) (struct platform_device * pdev);
  59
  60 /* Update all memory resources by paddr, call before platform_device_register */
  61 extern void ppc_sys_fixup_mem_resource(struct platform_device *pdev,
  62                                        phys_addr_t paddr) __init;
  63
  64 /* Get platform_data pointer out of platform device, call before platform_device_register */
  65 extern void *ppc_sys_get_pdata(enum ppc_sys_devices dev) __init;
  66
  67 /* remove a device from the system */
  68 extern void ppc_sys_device_remove(enum ppc_sys_devices dev);
  69
  70 #endif                          /* __ASM_PPC_SYS_H */
  71 #endif                          /* __KERNEL__ */