diff options
Diffstat (limited to 'include/asm-ppc')
| -rw-r--r-- | include/asm-ppc/hymod.h | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/include/asm-ppc/hymod.h b/include/asm-ppc/hymod.h new file mode 100644 index 0000000..b4179bf --- /dev/null +++ b/include/asm-ppc/hymod.h @@ -0,0 +1,289 @@ +#ifndef _ASM_HYMOD_H_ +#define _ASM_HYMOD_H_ + +#include <linux/config.h> +#ifdef CONFIG_8260 +#include <asm/iopin_8260.h> +#endif + +/* + * hymod configuration data - passed by boot code via the board information + * structure (only U-Boot has support for this at the moment) + * + * there are three types of data passed up from the boot monitor. the first + * (type hymod_eeprom_t) is the eeprom data that was read off both the main + * (or mother) board and the mezzanine board (if any). this data defines how + * many Xilinx fpgas are on each board, and their types (among other things). + * the second type of data (type xlx_mmap_t, one per Xilinx fpga) defines where + * in the physical address space the various Xilinx fpga access regions have + * been mapped by the boot rom. the third type of data (type xlx_iopins_t, + * one per Xilinx fpga) defines which io port pins are connected to the various + * signals required to program a Xilinx fpga. + * + * A ram/flash "bank" refers to memory controlled by the same chip select. + * + * the eeprom contents are defined as in technical note #2 - basically, + * a header, zero or more records in no particular order, and a 32 bit crc + * a record is 1 or more type bytes, a length byte and "length" bytes. + */ + +#define HYMOD_EEPROM_ID 0xAA /* eeprom id byte */ +#define HYMOD_EEPROM_VER 1 /* eeprom contents version */ +#define HYMOD_EEPROM_SIZE 256 /* number of bytes in the eeprom */ + +/* eeprom header */ +typedef + struct { + unsigned char id; /* eeprom id byte */ + unsigned char ver; /* eeprom contents version number */ + unsigned long len; /* total # of bytes btw hdr and crc */ + } +hymod_eehdr_t; + +/* maximum number of bytes available for eeprom data records */ +#define HYMOD_EEPROM_MAXLEN (HYMOD_EEPROM_SIZE \ + - sizeof (hymod_eehdr_t) \ + - sizeof (unsigned long)) + +/* eeprom data record */ +typedef + union { + struct { + unsigned char topbit:1; + unsigned char type:7; + unsigned char len; + unsigned char data[1]; /* variable length */ + } small; + struct { + unsigned short topbit:1; + unsigned short nxtbit:1; + unsigned short type:14; + unsigned short len; + unsigned char data[1]; /* variable length */ + } medium; + struct { + unsigned long topbit:1; + unsigned long nxtbit:1; + unsigned long type:30; + unsigned long len; + unsigned char data[1]; /* variable length */ + } large; + } +hymod_eerec_t; + +#define HYMOD_EEOFF_MAIN 0x00 /* i2c addr offset for main eeprom */ +#define HYMOD_EEOFF_MEZZ 0x04 /* i2c addr offset for mezz eepomr */ + +/* eeprom record types */ +#define HYMOD_EEREC_SERNO 1 /* serial number */ +#define HYMOD_EEREC_DATE 2 /* date */ +#define HYMOD_EEREC_BATCH 3 /* batch id */ +#define HYMOD_EEREC_TYPE 4 /* board type */ +#define HYMOD_EEREC_REV 5 /* revision number */ +#define HYMOD_EEREC_SDRAM 6 /* sdram sizes */ +#define HYMOD_EEREC_FLASH 7 /* flash sizes */ +#define HYMOD_EEREC_ZBT 8 /* zbt ram sizes */ +#define HYMOD_EEREC_XLXTYP 9 /* Xilinx fpga types */ +#define HYMOD_EEREC_XLXSPD 10 /* Xilinx fpga speeds */ +#define HYMOD_EEREC_XLXTMP 11 /* Xilinx fpga temperatures */ +#define HYMOD_EEREC_XLXGRD 12 /* Xilinx fpga grades */ +#define HYMOD_EEREC_CPUTYP 13 /* Motorola CPU type */ +#define HYMOD_EEREC_CPUSPD 14 /* CPU speed */ +#define HYMOD_EEREC_BUSSPD 15 /* bus speed */ +#define HYMOD_EEREC_CPMSPD 16 /* CPM speed */ +#define HYMOD_EEREC_HSTYPE 17 /* high-speed serial chip type */ +#define HYMOD_EEREC_HSCHIN 18 /* high-speed serial input channels */ +#define HYMOD_EEREC_HSCHOUT 19 /* high-speed serial output channels */ + +/* some dimensions */ +#define HYMOD_MAX_BATCH 32 /* max no. of bytes in batch id */ +#define HYMOD_MAX_SDRAM 4 /* max sdram "banks" on any board */ +#define HYMOD_MAX_FLASH 4 /* max flash "banks" on any board */ +#define HYMOD_MAX_ZBT 16 /* max ZBT rams on any board */ +#define HYMOD_MAX_XLX 4 /* max Xilinx fpgas on any board */ + +#define HYMOD_MAX_BYTES 16 /* enough to store any bytes array */ + +/* board types */ +#define HYMOD_BDTYPE_NONE 0 /* information not present */ +#define HYMOD_BDTYPE_IO 1 /* I/O main board */ +#define HYMOD_BDTYPE_CLP 2 /* CLP main board */ +#define HYMOD_BDTYPE_DSP 3 /* DSP main board */ +#define HYMOD_BDTYPE_INPUT 4 /* video input mezzanine board */ +#define HYMOD_BDTYPE_ALTINPUT 5 /* video input mezzanine board */ +#define HYMOD_BDTYPE_DISPLAY 6 /* video display mezzanine board */ +#define HYMOD_BDTYPE_MAX 7 /* first invalid value */ + +/* Xilinx fpga types */ +#define HYMOD_XTYP_NONE 0 /* information not present */ +#define HYMOD_XTYP_XCV300E 1 /* Xilinx Virtex 300 */ +#define HYMOD_XTYP_XCV400E 2 /* Xilinx Virtex 400 */ +#define HYMOD_XTYP_XCV600E 3 /* Xilinx Virtex 600 */ +#define HYMOD_XTYP_MAX 4 /* first invalid value */ + +/* Xilinx fpga speeds */ +#define HYMOD_XSPD_NONE 0 /* information not present */ +#define HYMOD_XSPD_SIX 1 +#define HYMOD_XSPD_SEVEN 2 +#define HYMOD_XSPD_EIGHT 3 +#define HYMOD_XSPD_MAX 4 /* first invalid value */ + +/* Xilinx fpga temperatures */ +#define HYMOD_XTMP_NONE 0 /* information not present */ +#define HYMOD_XTMP_COM 1 +#define HYMOD_XTMP_IND 2 +#define HYMOD_XTMP_MAX 3 /* first invalid value */ + +/* Xilinx fpga grades */ +#define HYMOD_XTMP_NONE 0 /* information not present */ +#define HYMOD_XTMP_NORMAL 1 +#define HYMOD_XTMP_ENGSAMP 2 +#define HYMOD_XTMP_MAX 3 /* first invalid value */ + +/* CPU types */ +#define HYMOD_CPUTYPE_NONE 0 /* information not present */ +#define HYMOD_CPUTYPE_MPC8260 1 /* Motorola MPC8260 embedded powerpc */ +#define HYMOD_CPUTYPE_MAX 2 /* first invalid value */ + +/* CPU/BUS/CPM clock speeds */ +#define HYMOD_CLKSPD_NONE 0 /* information not present */ +#define HYMOD_CLKSPD_33MHZ 1 +#define HYMOD_CLKSPD_66MHZ 2 +#define HYMOD_CLKSPD_100MHZ 3 +#define HYMOD_CLKSPD_133MHZ 4 +#define HYMOD_CLKSPD_166MHZ 5 +#define HYMOD_CLKSPD_200MHZ 6 +#define HYMOD_CLKSPD_MAX 7 /* first invalid value */ + +/* high speed serial chip types */ +#define HYMOD_HSSTYPE_NONE 0 /* information not present */ +#define HYMOD_HSSTYPE_AMCC52064 1 +#define HYMOD_HSSTYPE_MAX 2 /* first invalid value */ + +/* a date (yyyy-mm-dd) */ +typedef + struct { + unsigned short year; + unsigned char month; + unsigned char day; + } +hymod_date_t; + +/* describes a Xilinx fpga */ +typedef + struct { + unsigned char type; /* chip type */ + unsigned char speed; /* chip speed rating */ + unsigned char temp; /* chip temperature rating */ + unsigned char grade; /* chip grade */ + } +hymod_xlx_t; + +/* describes a Motorola embedded processor */ +typedef + struct { + unsigned char type; /* CPU type */ + unsigned char cpuspd; /* speed of the PowerPC core */ + unsigned char busspd; /* speed of the system and 60x bus */ + unsigned char cpmspd; /* speed of the CPM co-processor */ + } +hymod_mpc_t; + +/* info about high-speed (1Gbit) serial interface */ +typedef + struct { + unsigned char type; /* high-speed serial chip type */ + unsigned char nchin; /* number of input channels mounted */ + unsigned char nchout; /* number of output channels mounted */ + } +hymod_hss_t; + +/* + * this defines the contents of the serial eeprom that exists on every + * hymod board, including mezzanine boards (the serial eeprom will be + * faked for early development boards that don't have one) + */ + +typedef + struct { + unsigned char ver; /* eeprom contents version */ + unsigned char bdtype; /* board type */ + unsigned char bdrev; /* board revision */ + unsigned char batchlen; /* length of batch string below */ + unsigned long serno; /* serial number */ + hymod_date_t date; /* manufacture date */ + unsigned char batch[32]; /* manufacturer specific batch id */ + unsigned char nsdram; /* # of ram "banks" */ + unsigned char nflash; /* # of flash "banks" */ + unsigned char nzbt; /* # of ZBT rams */ + unsigned char nxlx; /* # of Xilinx fpgas */ + unsigned char sdramsz[HYMOD_MAX_SDRAM]; /* log2 of sdram size */ + unsigned char flashsz[HYMOD_MAX_FLASH]; /* log2 of flash size */ + unsigned char zbtsz[HYMOD_MAX_ZBT]; /* log2 of ZBT ram size */ + hymod_xlx_t xlx[HYMOD_MAX_XLX]; /* Xilinx fpga info */ + hymod_mpc_t mpc; /* Motorola MPC CPU info */ + hymod_hss_t hss; /* high-speed serial info */ + } +hymod_eeprom_t; + +/* + * this defines a region in the processor's physical address space + */ +typedef + struct { + unsigned long exists:1; /* 1 if the region exists, 0 if not */ + unsigned long size:31; /* size in bytes */ + unsigned long base; /* base address */ + } +xlx_prgn_t; + +/* + * this defines where the various Xilinx fpga access regions are mapped + * into the physical address space of the processor + */ +typedef + struct { + xlx_prgn_t prog; /* program access region */ + xlx_prgn_t reg; /* register access region */ + xlx_prgn_t port; /* port access region */ + } +xlx_mmap_t; + +/* + * this defines which 8260 i/o port pins are connected to the various + * signals required for programming a Xilinx fpga + */ +typedef + struct { + iopin_t prog_pin; /* assert for >= 300ns to program */ + iopin_t init_pin; /* goes high when fpga is cleared */ + iopin_t done_pin; /* goes high when program is done */ + iopin_t enable_pin; /* some fpgas need enabling */ + } +xlx_iopins_t; + +/* all info about one hymod board */ +typedef + struct { + unsigned char eeprom_valid:1; + hymod_eeprom_t eeprom; + xlx_mmap_t mmap[HYMOD_MAX_XLX]; + xlx_iopins_t iopins[HYMOD_MAX_XLX]; + } +hymod_board_t; + +/* + * this defines the configuration information of a hymod board-set + * (main board + possible mezzanine board). In future, there may be + * more than one mezzanine board (stackable?) - if so, add a "mezz2" + * field, and so on... or make mezz an array? + */ +typedef + struct { + hymod_board_t main; /* main board info */ + hymod_board_t mezz; /* mezzanine board info */ + unsigned long crc; /* ensures kernel and boot prom agree */ + } +hymod_conf_t; + +#endif /* _ASM_HYMOD_H_ */ |