Home | History | Annotate | Line # | Download | only in ibm4xx
cpu.h revision 1.16
      1 /*	$NetBSD: cpu.h,v 1.16 2011/01/18 01:02:54 matt Exp $	*/
      2 
      3 /*
      4  * Copyright 2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Eduardo Horvath 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	_IBM4XX_CPU_H_
     39 #define	_IBM4XX_CPU_H_
     40 
     41 #include <powerpc/spr.h>
     42 #include <powerpc/ibm4xx/spr.h>
     43 #include <powerpc/ibm4xx/dcr4xx.h>
     44 
     45 /* PVRs for different IBM CPUs */
     46 #define	PVR_401A1		0x00210000
     47 #define	PVR_401B2		0x00220000
     48 #define	PVR_401C2		0x00230000
     49 #define	PVR_401D2		0x00240000
     50 #define	PVR_401E2		0x00250000
     51 #define	PVR_401F2		0x00260000
     52 #define	PVR_401G2		0x00270000
     53 
     54 #define	PVR_403			0x00200000
     55 
     56 #define PVR_405GP		0x40110000
     57 #define PVR_405GP_PASS1 	0x40110000	/* RevA */
     58 #define PVR_405GP_PASS2 	0x40110040	/* RevB */
     59 #define PVR_405GP_PASS2_1 	0x40110082	/* RevC */
     60 #define PVR_405GP_PASS3 	0x401100c4	/* RevD */
     61 #define PVR_405GPR		0x50910000
     62 #define PVR_405GPR_REVB		0x50910951
     63 
     64 #define	PVR_405D5X1 		0x20010000 	/* Virtex II Pro */
     65 #define	PVR_405D5X2 		0x20011000 	/* Virtex 4 FX */
     66 
     67 #define PVR_405EX		0x12910000
     68 
     69 #if defined(_KERNEL)
     70 extern char bootpath[];
     71 
     72 #include <sys/param.h>
     73 #include <sys/device.h>
     74 #include <prop/proplib.h>
     75 
     76 /* export from ibm4xx/autoconf.c */
     77 extern void (*md_device_register)(struct device *dev, void *aux);
     78 
     79 /* export from ibm4xx/machdep.c */
     80 extern void (*md_consinit)(void);
     81 extern void (*md_cpu_startup)(void);
     82 
     83 /* export from ibm4xx/ibm40x_machdep.c */
     84 extern void ibm40x_memsize_init(u_int, u_int);
     85 
     86 /* export from ibm4xx/ibm4xx_machdep.c */
     87 extern void ibm4xx_init(void (*)(void));
     88 extern void ibm4xx_cpu_startup(const char *);
     89 extern void ibm4xx_dumpsys(void);
     90 extern void ibm4xx_install_extint(void (*)(void));
     91 
     92 /* export from ibm4xx/ibm4xx_autoconf.c */
     93 extern void ibm4xx_device_register(struct device *dev, void *aux);
     94 
     95 /* export from ibm4xx/clock.c */
     96 extern void calc_delayconst(void);
     97 
     98 /* export from ibm4xx/4xx_locore.S */
     99 extern void ppc4xx_reset(void) __dead;
    100 
    101 /*
    102  * DCR (Device Control Register) access. These have to be
    103  * macros because register address is encoded as immediate
    104  * operand.
    105  */
    106 static inline void
    107 mtdcr(int reg, uint32_t val)
    108 {
    109 	__asm volatile("mtdcr %0,%1" : : "K"(reg), "r"(val));
    110 }
    111 
    112 static inline uint32_t
    113 mfdcr(int reg)
    114 {
    115 	uint32_t val;
    116 
    117 	__asm volatile("mfdcr %0,%1" : "=r"(val) : "K"(reg));
    118 	return val;
    119 }
    120 
    121 static inline void
    122 mtcpr(int reg, uint32_t val)
    123 {
    124 	mtdcr(DCR_CPR0_CFGADDR, reg);
    125 	mtdcr(DCR_CPR0_CFGDATA, val);
    126 }
    127 
    128 static inline uint32_t
    129 mfcpr(int reg)
    130 {
    131 	mtdcr(DCR_CPR0_CFGADDR, reg);
    132 	return mfdcr(DCR_CPR0_CFGDATA);
    133 }
    134 
    135 static void inline
    136 mtsdr(int reg, uint32_t val)
    137 {
    138 	mtdcr(DCR_SDR0_CFGADDR, reg);
    139 	mtdcr(DCR_SDR0_CFGDATA, val);
    140 }
    141 
    142 static inline uint32_t
    143 mfsdr(int reg)
    144 {
    145 	mtdcr(DCR_SDR0_CFGADDR, reg);
    146 	return mfdcr(DCR_SDR0_CFGDATA);
    147 }
    148 #endif /* _KERNEL */
    149 
    150 #include <powerpc/cpu.h>
    151 
    152 /* Board info dictionary */
    153 extern prop_dictionary_t board_properties;
    154 extern void board_info_init(void);
    155 
    156 /*****************************************************************************/
    157 /* THIS CODE IS OBSOLETE. WILL BE REMOVED */
    158 /*
    159  * Board configuration structure from the OpenBIOS.
    160  */
    161 struct board_cfg_data {
    162 	unsigned char	usr_config_ver[4];
    163 	unsigned char	rom_sw_ver[30];
    164 	unsigned int	mem_size;
    165 	unsigned char	mac_address_local[6];
    166 	unsigned char	mac_address_pci[6];
    167 	unsigned int	processor_speed;
    168 	unsigned int	plb_speed;
    169 	unsigned int	pci_speed;
    170 };
    171 
    172 extern struct board_cfg_data board_data;
    173 /*****************************************************************************/
    174 
    175 #endif	/* _IBM4XX_CPU_H_ */
    176