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 <galak@kernel.crashing.org>
   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/platform_device.h>
  22 #include <linux/types.h>
  23
  24 #if defined(CONFIG_8260)
  25 #include <asm/mpc8260.h>
  26 #elif defined(CONFIG_8xx)
  27 #include <asm/mpc8xx.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 #define PPC_SYS_IORESOURCE_FIXUPPED     0x00000001
  37
  38 struct ppc_sys_spec {
  39         /* PPC sys is matched via (ID & mask) == value, id could be
  40          * PVR, SVR, IMMR, * etc. */
  41         u32                     mask;
  42         u32                     value;
  43         u32                     num_devices;
  44         char                    *ppc_sys_name;
  45         u8                      config[NUM_PPC_SYS_DEVS];
  46         enum ppc_sys_devices    *device_list;
  47 };
  48
  49 struct platform_notify_dev_map {
  50         const char *bus_id;
  51         void (*rtn)(struct platform_device * pdev, int idx);
  52 };
  53
  54 enum platform_device_func {
  55         PPC_SYS_FUNC_DUMMY = 0,
  56         PPC_SYS_FUNC_ETH = 1,
  57         PPC_SYS_FUNC_UART = 2,
  58         PPC_SYS_FUNC_HLDC = 3,
  59         PPC_SYS_FUNC_USB = 4,
  60         PPC_SYS_FUNC_IRDA = 5,
  61 };
  62
  63 #define PPC_SYS_CONFIG_DISABLED         1
  64
  65 /* describes all specific chips and which devices they have on them */
  66 extern struct ppc_sys_spec ppc_sys_specs[];
  67 extern struct ppc_sys_spec *cur_ppc_sys_spec;
  68
  69 /* determine which specific SOC we are */
  70 extern void identify_ppc_sys_by_id(u32 id) __init;
  71 extern void identify_ppc_sys_by_name(char *name) __init;
  72 extern void identify_ppc_sys_by_name_and_id(char *name, u32 id) __init;
  73
  74 /* describes all devices that may exist in a given family of processors */
  75 extern struct platform_device ppc_sys_platform_devices[];
  76
  77 /* allow any platform_device fixup to occur before device is registered */
  78 extern int (*ppc_sys_device_fixup) (struct platform_device * pdev);
  79
  80 /* Update all memory resources by paddr, call before platform_device_register */
  81 extern void ppc_sys_fixup_mem_resource(struct platform_device *pdev,
  82                                        phys_addr_t paddr) __init;
  83
  84 /* Get platform_data pointer out of platform device, call before platform_device_register */
  85 extern void *ppc_sys_get_pdata(enum ppc_sys_devices dev) __init;
  86
  87 /* remove a device from the system */
  88 extern void ppc_sys_device_remove(enum ppc_sys_devices dev);
  89
  90 /* Function assignment stuff */
  91 void ppc_sys_device_initfunc(void);
  92 void ppc_sys_device_setfunc(enum ppc_sys_devices dev,
  93                             enum platform_device_func func);
  94 void ppc_sys_device_set_func_all(enum platform_device_func func);
  95
  96 void platform_notify_map(const struct platform_notify_dev_map *map,
  97                          struct device *dev);
  98
  99 /* Enable / disable stuff */
 100 void ppc_sys_device_disable(enum ppc_sys_devices dev);
 101 void ppc_sys_device_enable(enum ppc_sys_devices dev);
 102 void ppc_sys_device_enable_all(void);
 103 void ppc_sys_device_disable_all(void);
 104
 105 #endif                          /* __ASM_PPC_SYS_H */
 106 #endif                          /* __KERNEL__ */