hwrpb.h

/* Layout and contents of the HardWare Resource Parameter Block (HWRPB).

   This file is copied intact from the Linux kernel.  As such, it is
   covered by the GNU General Public License, v2.0.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.  If not see
   <http://www.gnu.org/licenses/>.  */

#ifndef __ALPHA_HWRPB_H
#define __ALPHA_HWRPB_H

#define INIT_HWRPB ((struct hwrpb_struct *) 0x10000000)

/*
 * DEC processor types for Alpha systems.  Found in HWRPB.
 * These values are architected.
 */

#define EV3_CPU                 1       /* EV3                  */
#define EV4_CPU                 2       /* EV4 (21064)          */
#define LCA4_CPU                4       /* LCA4 (21066/21068)   */
#define EV5_CPU                 5       /* EV5 (21164)          */
#define EV45_CPU                6       /* EV4.5 (21064/xxx)    */
#define EV56_CPU		7	/* EV5.6 (21164)	*/
#define EV6_CPU			8	/* EV6 (21264)		*/
#define PCA56_CPU		9	/* PCA56 (21164PC)	*/
#define PCA57_CPU		10	/* PCA57 (notyet)	*/
#define EV67_CPU		11	/* EV67 (21264A)	*/
#define EV68CB_CPU		12	/* EV68CB (21264C)	*/
#define EV68AL_CPU		13	/* EV68AL (21264B)	*/
#define EV68CX_CPU		14	/* EV68CX (21264D)	*/
#define EV7_CPU			15	/* EV7 (21364)		*/
#define EV79_CPU		16	/* EV79 (21364??)	*/
#define EV69_CPU		17	/* EV69 (21264/EV69A)	*/

/*
 * DEC system types for Alpha systems.  Found in HWRPB.
 * These values are architected.
 */

#define ST_ADU			  1	/* Alpha ADU systype	*/
#define ST_DEC_4000		  2	/* Cobra systype	*/
#define ST_DEC_7000		  3	/* Ruby systype		*/
#define ST_DEC_3000_500		  4	/* Flamingo systype	*/
#define ST_DEC_2000_300		  6	/* Jensen systype	*/
#define ST_DEC_3000_300		  7	/* Pelican systype	*/
#define ST_DEC_2100_A500	  9	/* Sable systype	*/
#define ST_DEC_AXPVME_64	 10	/* AXPvme system type	*/
#define ST_DEC_AXPPCI_33	 11	/* NoName system type	*/
#define ST_DEC_TLASER		 12	/* Turbolaser systype	*/
#define ST_DEC_2100_A50		 13	/* Avanti systype	*/
#define ST_DEC_MUSTANG		 14	/* Mustang systype	*/
#define ST_DEC_ALCOR		 15	/* Alcor (EV5) systype	*/
#define ST_DEC_1000		 17	/* Mikasa systype	*/
#define ST_DEC_EB64		 18	/* EB64 systype		*/
#define ST_DEC_EB66		 19	/* EB66 systype		*/
#define ST_DEC_EB64P		 20	/* EB64+ systype	*/
#define ST_DEC_BURNS		 21	/* laptop systype	*/
#define ST_DEC_RAWHIDE		 22	/* Rawhide systype	*/
#define ST_DEC_K2		 23	/* K2 systype		*/
#define ST_DEC_LYNX		 24	/* Lynx systype		*/
#define ST_DEC_XL		 25	/* Alpha XL systype	*/
#define ST_DEC_EB164		 26	/* EB164 systype	*/
#define ST_DEC_NORITAKE		 27	/* Noritake systype	*/
#define ST_DEC_CORTEX		 28	/* Cortex systype	*/
#define ST_DEC_MIATA		 30	/* Miata systype        */
#define ST_DEC_XXM		 31	/* XXM systype		*/
#define ST_DEC_TAKARA		 32	/* Takara systype	*/
#define ST_DEC_YUKON		 33	/* Yukon systype	*/
#define ST_DEC_TSUNAMI		 34	/* Tsunami systype	*/
#define ST_DEC_WILDFIRE		 35	/* Wildfire systype	*/
#define ST_DEC_CUSCO		 36	/* CUSCO systype	*/
#define ST_DEC_EIGER		 37	/* Eiger systype	*/
#define ST_DEC_TITAN		 38	/* Titan systype	*/
#define ST_DEC_MARVEL		 39	/* Marvel systype	*/

/* UNOFFICIAL!!! */
#define ST_UNOFFICIAL_BIAS	100
#define ST_DTI_RUFFIAN		101	/* RUFFIAN systype	*/

/* Alpha Processor, Inc. systems */
#define ST_API_BIAS		200
#define ST_API_NAUTILUS		201	/* UP1000 systype	*/

struct pcb_struct {
	unsigned long ksp;
	unsigned long usp;
	unsigned long ptbr;
	unsigned int pcc;
	unsigned int asn;
	unsigned long unique;
	unsigned long flags;
	unsigned long res1, res2;
};

struct percpu_struct {
	unsigned long hwpcb[16];
	unsigned long flags;
	unsigned long pal_mem_size;
	unsigned long pal_scratch_size;
	unsigned long pal_mem_pa;
	unsigned long pal_scratch_pa;
	unsigned long pal_revision;
	unsigned long type;
	unsigned long variation;
	unsigned long revision;
	unsigned long serial_no[2];
	unsigned long logout_area_pa;
	unsigned long logout_area_len;
	unsigned long halt_PCBB;
	unsigned long halt_PC;
	unsigned long halt_PS;
	unsigned long halt_arg;
	unsigned long halt_ra;
	unsigned long halt_pv;
	unsigned long halt_reason;
	unsigned long res;
	unsigned long ipc_buffer[21];
	unsigned long palcode_avail[16];
	unsigned long compatibility;
	unsigned long console_data_log_pa;
	unsigned long console_data_log_length;
	unsigned long bcache_info;
};

struct procdesc_struct {
	unsigned long weird_vms_stuff;
	unsigned long address;
};

struct vf_map_struct {
	void *va;
	unsigned long pa;
	unsigned long count;
};

struct crb_struct {
	struct procdesc_struct * dispatch_va;
	unsigned long dispatch_pa;
	struct procdesc_struct * fixup_va;
	unsigned long fixup_pa;
	/* virtual->physical map */
	unsigned long map_entries;
	unsigned long map_pages;
	struct vf_map_struct map[1];
};

struct memclust_struct {
	unsigned long start_pfn;
	unsigned long numpages;
	unsigned long numtested;
	unsigned long bitmap_va;
	unsigned long bitmap_pa;
	unsigned long bitmap_chksum;
	unsigned long usage;
};

struct memdesc_struct {
	unsigned long chksum;
	unsigned long optional_pa;
	unsigned long numclusters;
	struct memclust_struct cluster[0];
};

struct dsr_struct {
	long smm;			/* SMM nubber used by LMF       */
	unsigned long  lurt_off;	/* offset to LURT table         */
	unsigned long  sysname_off;	/* offset to sysname char count */
};

struct hwrpb_struct {
	unsigned long phys_addr;	/* check: physical address of the hwrpb */
	unsigned long id;		/* check: "HWRPB\0\0\0" */
	unsigned long revision;	
	unsigned long size;		/* size of hwrpb */
	unsigned long cpuid;
	unsigned long pagesize;		/* 8192, I hope */
	unsigned long pa_bits;		/* number of physical address bits */
	unsigned long max_asn;
	unsigned char ssn[16];		/* system serial number: big bother is watching */
	unsigned long sys_type;
	unsigned long sys_variation;
	unsigned long sys_revision;
	unsigned long intr_freq;	/* interval clock frequency * 4096 */
	unsigned long cycle_freq;	/* cycle counter frequency */
	unsigned long vptb;		/* Virtual Page Table Base address */
	unsigned long res1;
	unsigned long tbhb_offset;	/* Translation Buffer Hint Block */
	unsigned long nr_processors;
	unsigned long processor_size;
	unsigned long processor_offset;
	unsigned long ctb_nr;
	unsigned long ctb_size;		/* console terminal block size */
	unsigned long ctbt_offset;	/* console terminal block table offset */
	unsigned long crb_offset;	/* console callback routine block */
	unsigned long mddt_offset;	/* memory data descriptor table */
	unsigned long cdb_offset;	/* configuration data block (or NULL) */
	unsigned long frut_offset;	/* FRU table (or NULL) */
	void (*save_terminal)(unsigned long);
	unsigned long save_terminal_data;
	void (*restore_terminal)(unsigned long);
	unsigned long restore_terminal_data;
	void (*CPU_restart)(unsigned long);
	unsigned long CPU_restart_data;
	unsigned long res2;
	unsigned long res3;
	unsigned long chksum;
	unsigned long rxrdy;
	unsigned long txrdy;
	unsigned long dsr_offset;	/* "Dynamic System Recognition Data Block Table" */
};


static inline void
hwrpb_update_checksum(struct hwrpb_struct *h)
{
	unsigned long sum = 0, *l;
        for (l = (unsigned long *) h; l < (unsigned long *) &h->chksum; ++l)
                sum += *l;
        h->chksum = sum;
}

#endif /* __ALPHA_HWRPB_H */