xref: /openbmc/linux/arch/parisc/include/asm/pdc.h (revision 86e281fc)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PARISC_PDC_H
3 #define _PARISC_PDC_H
4 
5 #include <uapi/asm/pdc.h>
6 
7 #if !defined(__ASSEMBLY__)
8 
9 extern int parisc_narrow_firmware;
10 
11 extern int pdc_type;
12 extern unsigned long parisc_cell_num; /* cell number the CPU runs on (PAT) */
13 extern unsigned long parisc_cell_loc; /* cell location of CPU (PAT)	   */
14 extern unsigned long parisc_pat_pdc_cap; /* PDC capabilities (PAT) */
15 
16 /* Values for pdc_type */
17 #define PDC_TYPE_ILLEGAL	-1
18 #define PDC_TYPE_PAT		 0 /* 64-bit PAT-PDC */
19 #define PDC_TYPE_SYSTEM_MAP	 1 /* 32-bit, but supports PDC_SYSTEM_MAP */
20 #define PDC_TYPE_SNAKE		 2 /* Doesn't support SYSTEM_MAP */
21 
22 void setup_pdc(void);		/* in inventory.c */
23 
24 /* wrapper-functions from pdc.c */
25 
26 int pdc_add_valid(unsigned long address);
27 int pdc_instr(unsigned int *instr);
28 int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);
29 int pdc_chassis_disp(unsigned long disp);
30 int pdc_chassis_warn(unsigned long *warn);
31 int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
32 int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info);
33 int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
34 		  void *iodc_data, unsigned int iodc_data_size);
35 int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
36 			     struct pdc_module_path *mod_path, long mod_index);
37 int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
38 			      long mod_index, long addr_index);
39 int pdc_model_info(struct pdc_model *model);
40 int pdc_model_sysmodel(unsigned int os_id, char *name);
41 int pdc_model_cpuid(unsigned long *cpu_id);
42 int pdc_model_versions(unsigned long *versions, int id);
43 int pdc_model_capabilities(unsigned long *capabilities);
44 int pdc_model_platform_info(char *orig_prod_num, char *current_prod_num, char *serial_no);
45 int pdc_cache_info(struct pdc_cache_info *cache);
46 int pdc_spaceid_bits(unsigned long *space_bits);
47 int pdc_btlb_info(struct pdc_btlb_info *btlb);
48 int pdc_btlb_insert(unsigned long long vpage, unsigned long physpage, unsigned long len,
49                     unsigned long entry_info, unsigned long slot);
50 int pdc_btlb_purge_all(void);
51 int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
52 int pdc_pim_toc11(struct pdc_toc_pim_11 *ret);
53 int pdc_pim_toc20(struct pdc_toc_pim_20 *ret);
54 int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);
55 
56 int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count);
57 int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count);
58 int pdc_stable_get_size(unsigned long *size);
59 int pdc_stable_verify_contents(void);
60 int pdc_stable_initialize(void);
61 
62 int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa);
63 int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl);
64 
65 int pdc_get_initiator(struct hardware_path *, struct pdc_initiator *);
66 int pdc_tod_read(struct pdc_tod *tod);
67 int pdc_tod_set(unsigned long sec, unsigned long usec);
68 
69 void pdc_pdt_init(void);	/* in pdt.c */
70 int pdc_mem_pdt_info(struct pdc_mem_retinfo *rinfo);
71 int pdc_mem_pdt_read_entries(struct pdc_mem_read_pdt *rpdt_read,
72 		unsigned long *pdt_entries_ptr);
73 #ifdef CONFIG_64BIT
74 int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
75 		struct pdc_memory_table *tbl, unsigned long entries);
76 #endif
77 
78 void set_firmware_width(void);
79 void set_firmware_width_unlocked(void);
80 int pdc_do_firm_test_reset(unsigned long ftc_bitmap);
81 int pdc_do_reset(void);
82 int pdc_soft_power_info(unsigned long *power_reg);
83 int pdc_soft_power_button(int sw_control);
84 int pdc_soft_power_button_panic(int sw_control);
85 void pdc_io_reset(void);
86 void pdc_io_reset_devices(void);
87 int pdc_iodc_getc(void);
88 int pdc_iodc_print(const unsigned char *str, unsigned count);
89 
90 void pdc_emergency_unlock(void);
91 int pdc_sti_call(unsigned long func, unsigned long flags,
92 		unsigned long inptr, unsigned long outputr,
93 		unsigned long glob_cfg, int do_call64);
94 
95 int __pdc_cpu_rendezvous(void);
96 void pdc_cpu_rendezvous_lock(void);
97 void pdc_cpu_rendezvous_unlock(void);
98 
99 static inline char * os_id_to_string(u16 os_id) {
100 	switch(os_id) {
101 	case OS_ID_NONE:	return "No OS";
102 	case OS_ID_HPUX:	return "HP-UX";
103 	case OS_ID_MPEXL:	return "MPE-iX";
104 	case OS_ID_OSF:		return "OSF";
105 	case OS_ID_HPRT:	return "HP-RT";
106 	case OS_ID_NOVEL:	return "Novell Netware";
107 	case OS_ID_LINUX:	return "Linux";
108 	default:	return "Unknown";
109 	}
110 }
111 
112 #endif /* !defined(__ASSEMBLY__) */
113 #endif /* _PARISC_PDC_H */
114