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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _PARISC_HARDWARE_H
3#define _PARISC_HARDWARE_H
4
5#include <linux/device-id/parisc.h>
6
7#define HWTYPE_ANY_ID PA_HWTYPE_ANY_ID
8#define HVERSION_ANY_ID PA_HVERSION_ANY_ID
9#define HVERSION_REV_ANY_ID PA_HVERSION_REV_ANY_ID
10#define SVERSION_ANY_ID PA_SVERSION_ANY_ID
11
12struct hp_hardware {
13 unsigned int hw_type:8; /* HPHW_xxx */
14 unsigned int hversion:12;
15 unsigned int sversion:12;
16 unsigned char opt;
17 unsigned char name[59]; /* The hardware description */
18} __packed;
19
20struct parisc_device;
21
22enum cpu_type {
23 pcx = 0, /* pa7000 pa 1.0 */
24 pcxs = 1, /* pa7000 pa 1.1a */
25 pcxt = 2, /* pa7100 pa 1.1b */
26 pcxt_ = 3, /* pa7200 (t') pa 1.1c */
27 pcxl = 4, /* pa7100lc pa 1.1d */
28 pcxl2 = 5, /* pa7300lc pa 1.1e */
29 pcxu = 6, /* pa8000 pa 2.0 */
30 pcxu_ = 7, /* pa8200 (u+) pa 2.0 */
31 pcxw = 8, /* pa8500 pa 2.0 */
32 pcxw_ = 9, /* pa8600 (w+) pa 2.0 */
33 pcxw2 = 10, /* pa8700 pa 2.0 */
34 mako = 11, /* pa8800 pa 2.0 */
35 mako2 = 12 /* pa8900 pa 2.0 */
36};
37
38extern const char * const cpu_name_version[][2]; /* mapping from enum cpu_type to strings */
39
40struct parisc_driver;
41
42struct io_module {
43 volatile uint32_t nothing; /* reg 0 */
44 volatile uint32_t io_eim;
45 volatile uint32_t io_dc_adata;
46 volatile uint32_t io_ii_cdata;
47 volatile uint32_t io_dma_link; /* reg 4 */
48 volatile uint32_t io_dma_command;
49 volatile uint32_t io_dma_address;
50 volatile uint32_t io_dma_count;
51 volatile uint32_t io_flex; /* reg 8 */
52 volatile uint32_t io_spa_address;
53 volatile uint32_t reserved1[2];
54 volatile uint32_t io_command; /* reg 12 */
55 volatile uint32_t io_status;
56 volatile uint32_t io_control;
57 volatile uint32_t io_data;
58 volatile uint32_t reserved2; /* reg 16 */
59 volatile uint32_t chain_addr;
60 volatile uint32_t sub_mask_clr;
61 volatile uint32_t reserved3[13];
62 volatile uint32_t undefined[480];
63 volatile uint32_t unpriv[512];
64};
65
66struct bc_module {
67 volatile uint32_t unused1[12];
68 volatile uint32_t io_command;
69 volatile uint32_t io_status;
70 volatile uint32_t io_control;
71 volatile uint32_t unused2[1];
72 volatile uint32_t io_err_resp;
73 volatile uint32_t io_err_info;
74 volatile uint32_t io_err_req;
75 volatile uint32_t unused3[11];
76 volatile uint32_t io_io_low;
77 volatile uint32_t io_io_high;
78};
79
80#define HPHW_NPROC 0
81#define HPHW_MEMORY 1
82#define HPHW_B_DMA 2
83#define HPHW_OBSOLETE 3
84#define HPHW_A_DMA 4
85#define HPHW_A_DIRECT 5
86#define HPHW_OTHER 6
87#define HPHW_BCPORT 7
88#define HPHW_CIO 8
89#define HPHW_CONSOLE 9
90#define HPHW_FIO 10
91#define HPHW_BA 11
92#define HPHW_IOA 12
93#define HPHW_BRIDGE 13
94#define HPHW_FABRIC 14
95#define HPHW_MC 15
96#define HPHW_FAULTY 31
97
98/* hardware.c: */
99extern const char *parisc_hardware_description(struct parisc_device_id *id);
100extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
101
102struct pci_dev;
103struct hardware_path;
104
105/* drivers.c: */
106extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
107 struct hardware_path *path);
108extern int register_parisc_device(struct parisc_device *dev);
109extern int register_parisc_driver(struct parisc_driver *driver);
110extern int count_parisc_driver(struct parisc_driver *driver);
111extern int unregister_parisc_driver(struct parisc_driver *driver);
112extern void walk_central_bus(void);
113extern const struct parisc_device *find_pa_parent_type(const struct parisc_device *, int);
114extern void print_parisc_devices(void);
115extern char *print_pa_hwpath(struct parisc_device *dev, char *path);
116extern char *print_pci_hwpath(struct pci_dev *dev, char *path);
117extern void get_pci_node_path(struct pci_dev *dev, struct hardware_path *path);
118extern void init_parisc_bus(void);
119extern struct device *hwpath_to_device(struct hardware_path *modpath);
120extern void device_to_hwpath(struct device *dev, struct hardware_path *path);
121extern int machine_has_merced_bus(void);
122
123/* inventory.c: */
124extern void do_memory_inventory(void);
125extern void do_device_inventory(void);
126
127#endif /* _PARISC_HARDWARE_H */