mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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6de4c6f9c8
Header needed for current_cpu_data which expands to smp_processor_id(). However, linux/smp.h can't be included into asm/cpu-info.h due to horrible circular dependencies, so plug it here. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
260 lines
7.5 KiB
C
260 lines
7.5 KiB
C
/*
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* lasat.h
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*
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* Thomas Horsten <thh@lasat.com>
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* Copyright (C) 2000 LASAT Networks A/S.
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*
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* This program is free software; you can distribute it and/or modify it
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* under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Configuration for LASAT boards, loads the appropriate include files.
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*/
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#ifndef _LASAT_H
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#define _LASAT_H
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#ifndef _LANGUAGE_ASSEMBLY
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extern struct lasat_misc {
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volatile u32 *reset_reg;
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volatile u32 *flash_wp_reg;
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u32 flash_wp_bit;
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} *lasat_misc;
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enum lasat_mtdparts {
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LASAT_MTD_BOOTLOADER,
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LASAT_MTD_SERVICE,
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LASAT_MTD_NORMAL,
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LASAT_MTD_CONFIG,
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LASAT_MTD_FS,
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LASAT_MTD_LAST
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};
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/*
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* The format of the data record in the EEPROM.
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* See Documentation/LASAT/eeprom.txt for a detailed description
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* of the fields in this struct, and the LASAT Hardware Configuration
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* field specification for a detailed description of the config
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* field.
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*/
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#include <linux/types.h>
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#define LASAT_EEPROM_VERSION 7
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struct lasat_eeprom_struct {
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unsigned int version;
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unsigned int cfg[3];
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unsigned char hwaddr[6];
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unsigned char print_partno[12];
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unsigned char term0;
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unsigned char print_serial[14];
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unsigned char term1;
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unsigned char prod_partno[12];
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unsigned char term2;
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unsigned char prod_serial[14];
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unsigned char term3;
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unsigned char passwd_hash[16];
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unsigned char pwdnull;
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unsigned char vendid;
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unsigned char ts_ref;
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unsigned char ts_signoff;
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unsigned char reserved[11];
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unsigned char debugaccess;
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unsigned short prid;
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unsigned int serviceflag;
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unsigned int ipaddr;
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unsigned int netmask;
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unsigned int crc32;
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};
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struct lasat_eeprom_struct_pre7 {
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unsigned int version;
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unsigned int flags[3];
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unsigned char hwaddr0[6];
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unsigned char hwaddr1[6];
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unsigned char print_partno[9];
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unsigned char term0;
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unsigned char print_serial[14];
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unsigned char term1;
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unsigned char prod_partno[9];
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unsigned char term2;
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unsigned char prod_serial[14];
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unsigned char term3;
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unsigned char passwd_hash[24];
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unsigned char pwdnull;
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unsigned char vendor;
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unsigned char ts_ref;
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unsigned char ts_signoff;
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unsigned char reserved[6];
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unsigned int writecount;
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unsigned int ipaddr;
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unsigned int netmask;
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unsigned int crc32;
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};
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/* Configuration descriptor encoding - see the doc for details */
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#define LASAT_W0_DSCTYPE(v) (((v)) & 0xf)
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#define LASAT_W0_BMID(v) (((v) >> 0x04) & 0xf)
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#define LASAT_W0_CPUTYPE(v) (((v) >> 0x08) & 0xf)
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#define LASAT_W0_BUSSPEED(v) (((v) >> 0x0c) & 0xf)
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#define LASAT_W0_CPUCLK(v) (((v) >> 0x10) & 0xf)
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#define LASAT_W0_SDRAMBANKSZ(v) (((v) >> 0x14) & 0xf)
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#define LASAT_W0_SDRAMBANKS(v) (((v) >> 0x18) & 0xf)
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#define LASAT_W0_L2CACHE(v) (((v) >> 0x1c) & 0xf)
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#define LASAT_W1_EDHAC(v) (((v)) & 0xf)
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#define LASAT_W1_HIFN(v) (((v) >> 0x04) & 0x1)
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#define LASAT_W1_ISDN(v) (((v) >> 0x05) & 0x1)
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#define LASAT_W1_IDE(v) (((v) >> 0x06) & 0x1)
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#define LASAT_W1_HDLC(v) (((v) >> 0x07) & 0x1)
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#define LASAT_W1_USVERSION(v) (((v) >> 0x08) & 0x1)
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#define LASAT_W1_4MACS(v) (((v) >> 0x09) & 0x1)
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#define LASAT_W1_EXTSERIAL(v) (((v) >> 0x0a) & 0x1)
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#define LASAT_W1_FLASHSIZE(v) (((v) >> 0x0c) & 0xf)
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#define LASAT_W1_PCISLOTS(v) (((v) >> 0x10) & 0xf)
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#define LASAT_W1_PCI1OPT(v) (((v) >> 0x14) & 0xf)
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#define LASAT_W1_PCI2OPT(v) (((v) >> 0x18) & 0xf)
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#define LASAT_W1_PCI3OPT(v) (((v) >> 0x1c) & 0xf)
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/* Routines specific to LASAT boards */
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#define LASAT_BMID_MASQUERADE2 0
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#define LASAT_BMID_MASQUERADEPRO 1
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#define LASAT_BMID_SAFEPIPE25 2
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#define LASAT_BMID_SAFEPIPE50 3
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#define LASAT_BMID_SAFEPIPE100 4
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#define LASAT_BMID_SAFEPIPE5000 5
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#define LASAT_BMID_SAFEPIPE7000 6
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#define LASAT_BMID_SAFEPIPE1000 7
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#if 0
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#define LASAT_BMID_SAFEPIPE30 7
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#define LASAT_BMID_SAFEPIPE5100 8
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#define LASAT_BMID_SAFEPIPE7100 9
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#endif
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#define LASAT_BMID_UNKNOWN 0xf
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#define LASAT_MAX_BMID_NAMES 9 /* no larger than 15! */
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#define LASAT_HAS_EDHAC (1 << 0)
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#define LASAT_EDHAC_FAST (1 << 1)
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#define LASAT_HAS_EADI (1 << 2)
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#define LASAT_HAS_HIFN (1 << 3)
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#define LASAT_HAS_ISDN (1 << 4)
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#define LASAT_HAS_LEASEDLINE_IF (1 << 5)
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#define LASAT_HAS_HDC (1 << 6)
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#define LASAT_PRID_MASQUERADE2 0
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#define LASAT_PRID_MASQUERADEPRO 1
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#define LASAT_PRID_SAFEPIPE25 2
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#define LASAT_PRID_SAFEPIPE50 3
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#define LASAT_PRID_SAFEPIPE100 4
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#define LASAT_PRID_SAFEPIPE5000 5
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#define LASAT_PRID_SAFEPIPE7000 6
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#define LASAT_PRID_SAFEPIPE30 7
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#define LASAT_PRID_SAFEPIPE5100 8
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#define LASAT_PRID_SAFEPIPE7100 9
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#define LASAT_PRID_SAFEPIPE1110 10
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#define LASAT_PRID_SAFEPIPE3020 11
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#define LASAT_PRID_SAFEPIPE3030 12
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#define LASAT_PRID_SAFEPIPE5020 13
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#define LASAT_PRID_SAFEPIPE5030 14
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#define LASAT_PRID_SAFEPIPE1120 15
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#define LASAT_PRID_SAFEPIPE1130 16
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#define LASAT_PRID_SAFEPIPE6010 17
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#define LASAT_PRID_SAFEPIPE6110 18
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#define LASAT_PRID_SAFEPIPE6210 19
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#define LASAT_PRID_SAFEPIPE1020 20
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#define LASAT_PRID_SAFEPIPE1040 21
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#define LASAT_PRID_SAFEPIPE1060 22
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struct lasat_info {
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unsigned int li_cpu_hz;
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unsigned int li_bus_hz;
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unsigned int li_bmid;
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unsigned int li_memsize;
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unsigned int li_flash_size;
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unsigned int li_prid;
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unsigned char li_bmstr[16];
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unsigned char li_namestr[32];
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unsigned char li_typestr[16];
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/* Info on the Flash layout */
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unsigned int li_flash_base;
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unsigned long li_flashpart_base[LASAT_MTD_LAST];
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unsigned long li_flashpart_size[LASAT_MTD_LAST];
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struct lasat_eeprom_struct li_eeprom_info;
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unsigned int li_eeprom_upgrade_version;
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unsigned int li_debugaccess;
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};
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extern struct lasat_info lasat_board_info;
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static inline unsigned long lasat_flash_partition_start(int partno)
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{
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if (partno < 0 || partno >= LASAT_MTD_LAST)
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return 0;
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return lasat_board_info.li_flashpart_base[partno];
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}
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static inline unsigned long lasat_flash_partition_size(int partno)
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{
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if (partno < 0 || partno >= LASAT_MTD_LAST)
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return 0;
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return lasat_board_info.li_flashpart_size[partno];
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}
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/* Called from setup() to initialize the global board_info struct */
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extern int lasat_init_board_info(void);
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/* Write the modified EEPROM info struct */
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extern void lasat_write_eeprom_info(void);
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#define N_MACHTYPES 2
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/* for calibration of delays */
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/* the lasat_ndelay function is necessary because it is used at an
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* early stage of the boot process where ndelay is not calibrated.
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* It is used for the bit-banging rtc and eeprom drivers */
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#include <linux/delay.h>
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#include <linux/smp.h>
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/* calculating with the slowest board with 100 MHz clock */
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#define LASAT_100_DIVIDER 20
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/* All 200's run at 250 MHz clock */
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#define LASAT_200_DIVIDER 8
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extern unsigned int lasat_ndelay_divider;
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static inline void lasat_ndelay(unsigned int ns)
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{
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__delay(ns / lasat_ndelay_divider);
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}
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#define IS_LASAT_200() (current_cpu_data.cputype == CPU_R5000)
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#endif /* !defined (_LANGUAGE_ASSEMBLY) */
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#define LASAT_SERVICEMODE_MAGIC_1 0xdeadbeef
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#define LASAT_SERVICEMODE_MAGIC_2 0xfedeabba
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/* Lasat 100 boards */
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#define LASAT_GT_BASE (KSEG1ADDR(0x14000000))
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/* Lasat 200 boards */
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#define Vrc5074_PHYS_BASE 0x1fa00000
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#define Vrc5074_BASE (KSEG1ADDR(Vrc5074_PHYS_BASE))
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#define PCI_WINDOW1 0x1a000000
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#endif /* _LASAT_H */
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