hardware.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef _PARISC_HARDWARE_H
  3#define _PARISC_HARDWARE_H
  4
  5#include <linux/mod_devicetable.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
 98struct parisc_device_id;
 99
100/* hardware.c: */
101extern const char *parisc_hardware_description(struct parisc_device_id *id);
102extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
103
104struct pci_dev;
105struct hardware_path;
106
107/* drivers.c: */
108extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
109		struct hardware_path *path);
110extern int register_parisc_device(struct parisc_device *dev);
111extern int register_parisc_driver(struct parisc_driver *driver);
112extern int count_parisc_driver(struct parisc_driver *driver);
113extern int unregister_parisc_driver(struct parisc_driver *driver);
114extern void walk_central_bus(void);
115extern const struct parisc_device *find_pa_parent_type(const struct parisc_device *, int);
116extern void print_parisc_devices(void);
117extern char *print_pa_hwpath(struct parisc_device *dev, char *path);
118extern char *print_pci_hwpath(struct pci_dev *dev, char *path);
119extern void get_pci_node_path(struct pci_dev *dev, struct hardware_path *path);
120extern void init_parisc_bus(void);
121extern struct device *hwpath_to_device(struct hardware_path *modpath);
122extern void device_to_hwpath(struct device *dev, struct hardware_path *path);
123extern int machine_has_merced_bus(void);
124
125/* inventory.c: */
126extern void do_memory_inventory(void);
127extern void do_device_inventory(void);
128
129#endif /* _PARISC_HARDWARE_H */