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      1 /*	$NetBSD: e500var.h,v 1.9 2020/07/06 09:34:17 rin Exp $	*/
      2 /*-
      3  * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
      8  * Agency and which was developed by Matt Thomas of 3am Software Foundry.
      9  *
     10  * This material is based upon work supported by the Defense Advanced Research
     11  * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
     12  * Contract No. N66001-09-C-2073.
     13  * Approved for Public Release, Distribution Unlimited
     14  *
     15  * Redistribution and use in source and binary forms, with or without
     16  * modification, are permitted provided that the following conditions
     17  * are met:
     18  * 1. Redistributions of source code must retain the above copyright
     19  *    notice, this list of conditions and the following disclaimer.
     20  * 2. Redistributions in binary form must reproduce the above copyright
     21  *    notice, this list of conditions and the following disclaimer in the
     22  *    documentation and/or other materials provided with the distribution.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34  * POSSIBILITY OF SUCH DAMAGE.
     35  */
     36 
     37 #ifndef _POWERPC_BOOKE_E500VAR_H_
     38 #define _POWERPC_BOOKE_E500VAR_H_
     39 
     40 #ifdef _KERNEL
     41 
     42 #include "locators.h"
     43 
     44 #include <sys/device.h>
     45 #include <sys/extent.h>
     46 
     47 #define	E500_CLOCK_TIMER	0	/* could be 0..3 */
     48 
     49 extern const struct intrsw e500_intrsw;
     50 extern struct extent *pcimem_ex;
     51 extern struct extent *pciio_ex;
     52 void	e500_device_register(device_t, void *);
     53 int	e500_clock_intr(void *);
     54 void	e500_cpu_start(void);
     55 void	e500_tlb_init(vaddr_t, psize_t);
     56 void	e500_tlb_minimize(vaddr_t);
     57 bool	e500_device_disabled_p(uint32_t);
     58 
     59 struct e500_truthtab {
     60 	uint16_t tt_svrhi;
     61 	uint16_t tt_instance;
     62 	uint32_t tt_mask;
     63 	uint32_t tt_value;
     64 	u_int tt_result;
     65 };
     66 
     67 #define	TRUTH_ENCODE(svr, inst, mask, value, result)	\
     68 	{						\
     69 		.tt_svrhi = (svr) >> 16,		\
     70 		.tt_instance = (inst),			\
     71 		.tt_mask = (mask),			\
     72 		.tt_value = (value),			\
     73 		.tt_result = (result),			\
     74 	}
     75 
     76 u_int	e500_truth_decode(u_int, uint32_t, const struct e500_truthtab *,
     77 	    size_t, u_int);
     78 uint16_t e500_get_svr(void);
     79 int	e500_cpunode_submatch(device_t, cfdata_t, const char *, void *);
     80 
     81 /*
     82  * Used by MP hatch code to fetch the TLB1 entries so they be setup on the
     83  * just hatched CPU.
     84  */
     85 void *	e500_tlb1_fetch(size_t);
     86 void	e500_tlb1_sync(void);
     87 void	e500_ipi_halt(void);
     88 void	e500_spinup_trampoline(void);
     89 void	e500_cpu_hatch(struct cpu_info *);
     90 struct e500_xtlb *
     91 	e500_tlb_lookup_xtlb(vaddr_t, u_int *);
     92 
     93 
     94 void	pq3gpio_attach(device_t, device_t, void *);
     95 
     96 /*
     97  * For a lack of a better place, define this u-boot structure here.
     98  */
     99 
    100 struct uboot_spinup_entry {
    101 	uint32_t entry_addr_upper;
    102 	uint32_t entry_addr_lower;
    103 	uint32_t entry_r3_upper;
    104 	uint32_t entry_r3_lower;
    105 	uint32_t entry__rsvd;
    106 	uint32_t entry_pir;
    107 	uint32_t entry_r6_upper;
    108 	uint32_t entry_r6_lower;
    109 };
    110 
    111 #endif /* _KERNEL */
    112 
    113 #endif /* !_POWERPC_BOOKE_E500VAR_H_ */
    114