1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ALPHA_HWRPB_H
3#define __ALPHA_HWRPB_H
4
5#define INIT_HWRPB ((struct hwrpb_struct *) 0x10000000)
6
7/*
8 * DEC processor types for Alpha systems.  Found in HWRPB.
9 * These values are architected.
10 */
11
12#define EV3_CPU                 1       /* EV3                  */
13#define EV4_CPU                 2       /* EV4 (21064)          */
14#define LCA4_CPU                4       /* LCA4 (21066/21068)   */
15#define EV5_CPU                 5       /* EV5 (21164)          */
16#define EV45_CPU                6       /* EV4.5 (21064/xxx)    */
17#define EV56_CPU		7	/* EV5.6 (21164)	*/
18#define EV6_CPU			8	/* EV6 (21264)		*/
19#define PCA56_CPU		9	/* PCA56 (21164PC)	*/
20#define PCA57_CPU		10	/* PCA57 (notyet)	*/
21#define EV67_CPU		11	/* EV67 (21264A)	*/
22#define EV68CB_CPU		12	/* EV68CB (21264C)	*/
23#define EV68AL_CPU		13	/* EV68AL (21264B)	*/
24#define EV68CX_CPU		14	/* EV68CX (21264D)	*/
25#define EV7_CPU			15	/* EV7 (21364)		*/
26#define EV79_CPU		16	/* EV79 (21364??)	*/
27#define EV69_CPU		17	/* EV69 (21264/EV69A)	*/
28
29/*
30 * DEC system types for Alpha systems.  Found in HWRPB.
31 * These values are architected.
32 */
33
34#define ST_ADU			  1	/* Alpha ADU systype	*/
35#define ST_DEC_4000		  2	/* Cobra systype	*/
36#define ST_DEC_7000		  3	/* Ruby systype		*/
37#define ST_DEC_3000_500		  4	/* Flamingo systype	*/
38#define ST_DEC_2000_300		  6	/* Jensen systype	*/
39#define ST_DEC_3000_300		  7	/* Pelican systype	*/
40#define ST_DEC_2100_A500	  9	/* Sable systype	*/
41#define ST_DEC_AXPVME_64	 10	/* AXPvme system type	*/
42#define ST_DEC_AXPPCI_33	 11	/* NoName system type	*/
43#define ST_DEC_TLASER		 12	/* Turbolaser systype	*/
44#define ST_DEC_2100_A50		 13	/* Avanti systype	*/
45#define ST_DEC_MUSTANG		 14	/* Mustang systype	*/
46#define ST_DEC_ALCOR		 15	/* Alcor (EV5) systype	*/
47#define ST_DEC_1000		 17	/* Mikasa systype	*/
48#define ST_DEC_EB64		 18	/* EB64 systype		*/
49#define ST_DEC_EB66		 19	/* EB66 systype		*/
50#define ST_DEC_EB64P		 20	/* EB64+ systype	*/
51#define ST_DEC_BURNS		 21	/* laptop systype	*/
52#define ST_DEC_RAWHIDE		 22	/* Rawhide systype	*/
53#define ST_DEC_K2		 23	/* K2 systype		*/
54#define ST_DEC_LYNX		 24	/* Lynx systype		*/
55#define ST_DEC_XL		 25	/* Alpha XL systype	*/
56#define ST_DEC_EB164		 26	/* EB164 systype	*/
57#define ST_DEC_NORITAKE		 27	/* Noritake systype	*/
58#define ST_DEC_CORTEX		 28	/* Cortex systype	*/
59#define ST_DEC_MIATA		 30	/* Miata systype        */
60#define ST_DEC_XXM		 31	/* XXM systype		*/
61#define ST_DEC_TAKARA		 32	/* Takara systype	*/
62#define ST_DEC_YUKON		 33	/* Yukon systype	*/
63#define ST_DEC_TSUNAMI		 34	/* Tsunami systype	*/
64#define ST_DEC_WILDFIRE		 35	/* Wildfire systype	*/
65#define ST_DEC_CUSCO		 36	/* CUSCO systype	*/
66#define ST_DEC_EIGER		 37	/* Eiger systype	*/
67#define ST_DEC_TITAN		 38	/* Titan systype	*/
68#define ST_DEC_MARVEL		 39	/* Marvel systype	*/
69
70/* UNOFFICIAL!!! */
71#define ST_UNOFFICIAL_BIAS	100
72#define ST_DTI_RUFFIAN		101	/* RUFFIAN systype	*/
73
74/* Alpha Processor, Inc. systems */
75#define ST_API_BIAS		200
76#define ST_API_NAUTILUS		201	/* UP1000 systype	*/
77
78struct pcb_struct {
79	unsigned long ksp;
80	unsigned long usp;
81	unsigned long ptbr;
82	unsigned int pcc;
83	unsigned int asn;
84	unsigned long unique;
85	unsigned long flags;
86	unsigned long res1, res2;
87};
88
89struct percpu_struct {
90	unsigned long hwpcb[16];
91	unsigned long flags;
92	unsigned long pal_mem_size;
93	unsigned long pal_scratch_size;
94	unsigned long pal_mem_pa;
95	unsigned long pal_scratch_pa;
96	unsigned long pal_revision;
97	unsigned long type;
98	unsigned long variation;
99	unsigned long revision;
100	unsigned long serial_no[2];
101	unsigned long logout_area_pa;
102	unsigned long logout_area_len;
103	unsigned long halt_PCBB;
104	unsigned long halt_PC;
105	unsigned long halt_PS;
106	unsigned long halt_arg;
107	unsigned long halt_ra;
108	unsigned long halt_pv;
109	unsigned long halt_reason;
110	unsigned long res;
111	unsigned long ipc_buffer[21];
112	unsigned long palcode_avail[16];
113	unsigned long compatibility;
114	unsigned long console_data_log_pa;
115	unsigned long console_data_log_length;
116	unsigned long bcache_info;
117};
118
119struct procdesc_struct {
120	unsigned long weird_vms_stuff;
121	unsigned long address;
122};
123
124struct vf_map_struct {
125	unsigned long va;
126	unsigned long pa;
127	unsigned long count;
128};
129
130struct crb_struct {
131	struct procdesc_struct * dispatch_va;
132	struct procdesc_struct * dispatch_pa;
133	struct procdesc_struct * fixup_va;
134	struct procdesc_struct * fixup_pa;
135	/* virtual->physical map */
136	unsigned long map_entries;
137	unsigned long map_pages;
138	struct vf_map_struct map[1];
139};
140
141struct memclust_struct {
142	unsigned long start_pfn;
143	unsigned long numpages;
144	unsigned long numtested;
145	unsigned long bitmap_va;
146	unsigned long bitmap_pa;
147	unsigned long bitmap_chksum;
148	unsigned long usage;
149};
150
151struct memdesc_struct {
152	unsigned long chksum;
153	unsigned long optional_pa;
154	unsigned long numclusters;
155	struct memclust_struct cluster[];
156};
157
158struct dsr_struct {
159	long smm;			/* SMM nubber used by LMF       */
160	unsigned long  lurt_off;	/* offset to LURT table         */
161	unsigned long  sysname_off;	/* offset to sysname char count */
162};
163
164struct hwrpb_struct {
165	unsigned long phys_addr;	/* check: physical address of the hwrpb */
166	unsigned long id;		/* check: "HWRPB\0\0\0" */
167	unsigned long revision;
168	unsigned long size;		/* size of hwrpb */
169	unsigned long cpuid;
170	unsigned long pagesize;		/* 8192, I hope */
171	unsigned long pa_bits;		/* number of physical address bits */
172	unsigned long max_asn;
173	unsigned char ssn[16];		/* system serial number: big bother is watching */
174	unsigned long sys_type;
175	unsigned long sys_variation;
176	unsigned long sys_revision;
177	unsigned long intr_freq;	/* interval clock frequency * 4096 */
178	unsigned long cycle_freq;	/* cycle counter frequency */
179	unsigned long vptb;		/* Virtual Page Table Base address */
180	unsigned long res1;
181	unsigned long tbhb_offset;	/* Translation Buffer Hint Block */
182	unsigned long nr_processors;
183	unsigned long processor_size;
184	unsigned long processor_offset;
185	unsigned long ctb_nr;
186	unsigned long ctb_size;		/* console terminal block size */
187	unsigned long ctbt_offset;	/* console terminal block table offset */
188	unsigned long crb_offset;	/* console callback routine block */
189	unsigned long mddt_offset;	/* memory data descriptor table */
190	unsigned long cdb_offset;	/* configuration data block (or NULL) */
191	unsigned long frut_offset;	/* FRU table (or NULL) */
192	void (*save_terminal)(unsigned long);
193	unsigned long save_terminal_data;
194	void (*restore_terminal)(unsigned long);
195	unsigned long restore_terminal_data;
196	void (*CPU_restart)(unsigned long);
197	unsigned long CPU_restart_data;
198	unsigned long res2;
199	unsigned long res3;
200	unsigned long chksum;
201	unsigned long rxrdy;
202	unsigned long txrdy;
203	unsigned long dsr_offset;	/* "Dynamic System Recognition Data Block Table" */
204};
205
206#ifdef __KERNEL__
207
208extern struct hwrpb_struct *hwrpb;
209
210static inline void
211hwrpb_update_checksum(struct hwrpb_struct *h)
212{
213	unsigned long sum = 0, *l;
214        for (l = (unsigned long *) h; l < (unsigned long *) &h->chksum; ++l)
215                sum += *l;
216        h->chksum = sum;
217}
218
219#endif /* __KERNEL__ */
220
221#endif /* __ALPHA_HWRPB_H */
222