Linux kernel mirror (for testing)
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linux
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
38struct 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
49struct platform_notify_dev_map {
50 const char *bus_id;
51 void (*rtn)(struct platform_device * pdev, int idx);
52};
53
54enum 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 */
66extern struct ppc_sys_spec ppc_sys_specs[];
67extern struct ppc_sys_spec *cur_ppc_sys_spec;
68
69/* determine which specific SOC we are */
70extern void identify_ppc_sys_by_id(u32 id) __init;
71extern void identify_ppc_sys_by_name(char *name) __init;
72extern 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 */
75extern struct platform_device ppc_sys_platform_devices[];
76
77/* allow any platform_device fixup to occur before device is registered */
78extern int (*ppc_sys_device_fixup) (struct platform_device * pdev);
79
80/* Update all memory resources by paddr, call before platform_device_register */
81extern 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 */
85extern void *ppc_sys_get_pdata(enum ppc_sys_devices dev) __init;
86
87/* remove a device from the system */
88extern void ppc_sys_device_remove(enum ppc_sys_devices dev);
89
90/* Function assignment stuff */
91void ppc_sys_device_initfunc(void);
92void ppc_sys_device_setfunc(enum ppc_sys_devices dev,
93 enum platform_device_func func);
94void ppc_sys_device_set_func_all(enum platform_device_func func);
95
96void platform_notify_map(const struct platform_notify_dev_map *map,
97 struct device *dev);
98
99/* Enable / disable stuff */
100void ppc_sys_device_disable(enum ppc_sys_devices dev);
101void ppc_sys_device_enable(enum ppc_sys_devices dev);
102void ppc_sys_device_enable_all(void);
103void ppc_sys_device_disable_all(void);
104
105#endif /* __ASM_PPC_SYS_H */
106#endif /* __KERNEL__ */