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rmixlvar.h revision 1.1.2.17
      1 /*	$NetBSD: rmixlvar.h,v 1.1.2.17 2010/04/07 19:24:13 cliff Exp $	*/
      2 
      3 /*
      4  * Copyright 2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Simon Burge for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _MIPS_RMI_RMIXLVAR_H_
     39 #define _MIPS_RMI_RMIXLVAR_H_
     40 
     41 #include <mips/cpu.h>
     42 #include <mips/locore.h>
     43 #include <mips/rmi/rmixl_firmware.h>
     44 
     45 #include <machine/bus.h>
     46 
     47 #include <dev/pci/pcivar.h>
     48 
     49 static inline bool
     50 cpu_rmixl(const struct pridtab *ct)
     51 {
     52 	if (ct->cpu_cid == MIPS_PRID_CID_RMI)
     53 		return true;
     54 	return false;
     55 }
     56 
     57 static inline bool
     58 cpu_rmixlr(const struct pridtab *ct)
     59 {
     60 	u_int type = ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
     61 	if (cpu_rmixl(ct) && type == CIDFL_RMI_TYPE_XLR)
     62 		return true;
     63 	return false;
     64 }
     65 
     66 static inline bool
     67 cpu_rmixls(const struct pridtab *ct)
     68 {
     69 	u_int type = ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
     70 	if (cpu_rmixl(ct) && type == CIDFL_RMI_TYPE_XLS)
     71 		return true;
     72 	return false;
     73 }
     74 
     75 static inline bool
     76 cpu_rmixlp(const struct pridtab *ct)
     77 {
     78 	u_int type = ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
     79 	if (cpu_rmixl(ct) && type == CIDFL_RMI_TYPE_XLP)
     80 		return true;
     81 	return false;
     82 }
     83 
     84 static inline int
     85 cpu_rmixl_chip_type(const struct pridtab *ct)
     86 {
     87 	return ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
     88 }
     89 
     90 typedef enum {
     91 	PSB_TYPE_UNKNOWN=0,
     92 	PSB_TYPE_RMI,
     93 	PSB_TYPE_DELL,
     94 } rmixlfw_psb_type_t;
     95 
     96 static inline const char *
     97 rmixlfw_psb_type_name(rmixlfw_psb_type_t type)
     98 {
     99 	switch(type) {
    100 	case PSB_TYPE_UNKNOWN:
    101 		return "unknown";
    102 	case PSB_TYPE_RMI:
    103 		return "RMI";
    104 	case PSB_TYPE_DELL:
    105 		return "DELL";
    106 	default:
    107 		return "undefined";
    108 	}
    109 }
    110 
    111 struct rmixl_config {
    112 	uint64_t		 rc_io_pbase;
    113 	bus_addr_t		 rc_pci_cfg_pbase;
    114 	bus_size_t		 rc_pci_cfg_size;
    115 	bus_addr_t		 rc_pci_ecfg_pbase;
    116 	bus_size_t		 rc_pci_ecfg_size;
    117 	bus_addr_t		 rc_pci_mem_pbase;
    118 	bus_size_t		 rc_pci_mem_size;
    119 	bus_addr_t		 rc_pci_io_pbase;
    120 	bus_size_t		 rc_pci_io_size;
    121 	struct mips_bus_space	 rc_obio_eb_memt; 	/* DEVIO -eb */
    122 	struct mips_bus_space	 rc_obio_el_memt; 	/* DEVIO -el */
    123 	struct mips_bus_space	 rc_pci_cfg_memt; 	/* PCI CFG  */
    124 	struct mips_bus_space	 rc_pci_ecfg_memt; 	/* PCI ECFG */
    125 	struct mips_bus_space	 rc_pci_memt; 		/* PCI MEM */
    126 	struct mips_bus_space	 rc_pci_iot; 		/* PCI IO  */
    127 	struct mips_bus_dma_tag	 rc_64bit_dmat;
    128 	bus_dma_tag_t		 rc_32bit_dmat;
    129 	bus_dma_tag_t		 rc_29bit_dmat;
    130 	struct extent		*rc_phys_ex;	/* Note: MB units */
    131 	struct extent		*rc_obio_eb_ex;
    132 	struct extent		*rc_obio_el_ex;
    133 	struct extent		*rc_pci_cfg_ex;
    134 	struct extent		*rc_pci_ecfg_ex;
    135 	struct extent		*rc_pci_mem_ex;
    136 	struct extent		*rc_pci_io_ex;
    137 	int			 rc_mallocsafe;
    138 	rmixlfw_info_t 		 rc_psb_info;
    139 	rmixlfw_psb_type_t	 rc_psb_type;
    140 	volatile struct rmixlfw_cpu_wakeup_info
    141 				*rc_cpu_wakeup_info;
    142 	const void		*rc_cpu_wakeup_end;
    143 };
    144 
    145 extern struct rmixl_config rmixl_configuration;
    146 
    147 extern void rmixl_obio_eb_bus_mem_init(bus_space_tag_t, void *);
    148 extern void rmixl_obio_el_bus_mem_init(bus_space_tag_t, void *);
    149 extern void rmixl_pci_cfg_bus_mem_init(bus_space_tag_t, void *);
    150 extern void rmixl_pci_ecfg_bus_mem_init(bus_space_tag_t, void *);
    151 extern void rmixl_pci_bus_mem_init(bus_space_tag_t, void *);
    152 extern void rmixl_pci_bus_io_init(bus_space_tag_t, void *);
    153 
    154 extern void rmixl_addr_error_init(void);
    155 extern int  rmixl_addr_error_check(void);
    156 
    157 extern uint64_t rmixl_mfcr(u_int);
    158 extern void rmixl_mtcr(uint64_t, u_int);
    159 
    160 
    161 /*
    162  * rmixl_cache_err_dis:
    163  * - disable Cache, Data ECC, Snoop Tag Parity, Tag Parity errors
    164  * - clear the cache error log
    165  * - return previous value from RMIXL_PCR_L1D_CONFIG0
    166  */
    167 static inline uint64_t
    168 rmixl_cache_err_dis(void)
    169 {
    170 	uint64_t r;
    171 
    172 	r = rmixl_mfcr(RMIXL_PCR_L1D_CONFIG0);
    173 	rmixl_mtcr(RMIXL_PCR_L1D_CONFIG0, r & ~0x2e);
    174 	rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG, 0);
    175 	return r;
    176 }
    177 
    178 /*
    179  * rmixl_cache_err_restore:
    180  * - clear the cache error log, cache error overflow log,
    181  *   and cache interrupt registers
    182  * - restore previous value to RMIXL_PCR_L1D_CONFIG0
    183  */
    184 static inline void
    185 rmixl_cache_err_restore(uint64_t r)
    186 {
    187 	rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG, 0);
    188 	rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_OVF_LO, 0);
    189 	rmixl_mtcr(RMIXL_PCR_L1D_CACHE_INTERRUPT, 0);
    190 	rmixl_mtcr(RMIXL_PCR_L1D_CONFIG0, r);
    191 }
    192 
    193 static inline uint64_t
    194 rmixl_cache_err_check(void)
    195 {
    196 	return rmixl_mfcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG);
    197 }
    198 
    199 static inline int
    200 rmixl_probe_4(volatile uint32_t *va)
    201 {
    202 	uint32_t tmp;
    203 	uint32_t r;
    204 	int err;
    205 	int s;
    206 
    207 	s = splhigh();
    208 	r = rmixl_cache_err_dis();
    209 	tmp = *va;			/* probe */
    210 	err = rmixl_cache_err_check();
    211 	rmixl_cache_err_restore(r);
    212 	splx(s);
    213 
    214 	return (err == 0);
    215 }
    216 
    217 #endif	/* _MIPS_RMI_RMIXLVAR_H_ */
    218