diff options
Diffstat (limited to 'board/mbx8xx')
| -rw-r--r-- | board/mbx8xx/Makefile | 40 | ||||
| -rw-r--r-- | board/mbx8xx/csr.h | 60 | ||||
| -rw-r--r-- | board/mbx8xx/dimm.h | 98 | ||||
| -rw-r--r-- | board/mbx8xx/u-boot.lds | 122 | ||||
| -rw-r--r-- | board/mbx8xx/vpd.h | 119 |
5 files changed, 439 insertions, 0 deletions
diff --git a/board/mbx8xx/Makefile b/board/mbx8xx/Makefile new file mode 100644 index 0000000..f8fb581 --- /dev/null +++ b/board/mbx8xx/Makefile @@ -0,0 +1,40 @@ +# +# (C) Copyright 2000 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS = $(BOARD).o flash.o vpd.o + +$(LIB): .depend $(OBJS) + $(AR) crv $@ $^ + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/mbx8xx/csr.h b/board/mbx8xx/csr.h new file mode 100644 index 0000000..832e924 --- /dev/null +++ b/board/mbx8xx/csr.h @@ -0,0 +1,60 @@ +#ifndef __csr_h +#define __csr_h + +/* + * (C) Copyright 2000 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * Control and Status Register definitions for the MBX + * + *-------------------------------------------------------------------- + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* bits for control register #1 / status register #1 */ +#define CSR1_ETEN 0x80 /* Ethernet Transceiver Enabled */ +#define CSR1_ELEN 0x40 /* Ethernet XCVR in Internal Loopback */ +#define CSR1_EAEN 0x20 /* Auto selection TP/AUI Enabled */ +#define CSR1_TPEN 0x10 /* TP manually selected */ +#define CSR1_FDDIS 0x08 /* Full Duplex Mode disabled */ +#define CSR1_FCTEN 0x04 /* Collision Testing of XCVR disabled */ +#define CSR1_COM1EN 0x02 /* COM1 signals routed to RS232 Transceiver */ +#define CSR1_XCVRDIS 0x01 /* Onboard RS232 Transceiver Disabled */ + +/* bits for control register #2 */ +#define CR2_VDDSEL 0xC0 /* PCMCIA Supply Voltage */ +#define CR2_VPPSEL 0x30 /* PCMCIA Programming Voltage */ +#define CR2_BRDFAIL 0x08 /* Board fail */ +#define CR2_SWS1 0x04 /* Software Status #2 LED */ +#define CR2_SWS2 0x02 /* Software Status #2 LED */ +#define CR2_QSPANRST 0x01 /* Reset QSPAN */ + +/* bits for status register #2 */ +#define SR2_VDDSEL 0xC0 /* PCMCIA Supply Voltage */ +#define SR2_VPPSEL 0x30 /* PCMCIA Programming Voltage */ +#define SR2_BATGD 0x08 /* Low Voltage indication for onboard bat */ +#define SR2_NVBATGD 0x04 /* Low Voltage indication for NVRAM */ +#define SR2_RDY 0x02 /* Flash programming status bit */ +#define SR2_FT 0x01 /* Reserved for Factory test purposes */ + +#define MBX_CSR1 (*((uchar *)CFG_CSR_BASE)) +#define MBX_CSR2 (*((uchar *)CFG_CSR_BASE + 1)) + +#endif /* __csr_h */ diff --git a/board/mbx8xx/dimm.h b/board/mbx8xx/dimm.h new file mode 100644 index 0000000..b40f112 --- /dev/null +++ b/board/mbx8xx/dimm.h @@ -0,0 +1,98 @@ +#ifndef __dimm_h +#define __dimm_h + +/* + * Module name: %M% + * Description: + * Serial Presence Detect Definitions Module + * SCCS identification: %I% + * Branch: %B% + * Sequence: %S% + * Date newest applied delta was created (MM/DD/YY): %G% + * Time newest applied delta was created (HH:MM:SS): %U% + * SCCS file name %F% + * Fully qualified SCCS file name: + * %P% + * Copyright: + * (C) COPYRIGHT MOTOROLA, INC. 1996 + * ALL RIGHTS RESERVED + * Notes: + * 1. All data was taken from an IBM application note titled + * "Serial Presence Detect Definitions". + * History: + * Date Who + * + * 10/24/96 Rob Baxter + * Initial release. + * + */ + +/* + * serial PD byte assignment address map (256 byte EEPROM) + */ +typedef struct dimm +{ + uchar n_bytes; /* 00 number of bytes written/used */ + uchar t_bytes; /* 01 total number of bytes in serial PD device */ + uchar fmt; /* 02 fundamental memory type (FPM/EDO/SDRAM) */ + uchar n_row; /* 03 number of rows */ + uchar n_col; /* 04 number of columns */ + uchar n_banks; /* 05 number of banks */ + uchar data_w_lo; /* 06 data width */ + uchar data_w_hi; /* 07 data width */ + uchar ifl; /* 08 interface levels */ + uchar a_ras; /* 09 RAS access */ + uchar a_cas; /* 0A CAS access */ + uchar ct; /* 0B configuration type (non-parity/parity/ECC) */ + uchar refresh_rt; /* 0C refresh rate/type */ + uchar p_dram_o; /* 0D primary DRAM organization */ + uchar s_dram_o; /* 0E secondary DRAM organization (parity/ECC-checkbits) */ + uchar reserved[17]; /* 0F reserved fields for future offerings */ + uchar ss_info[32]; /* 20 superset information (may be used in the future) */ + uchar m_info[64]; /* 40 manufacturer information (optional) */ + uchar unused[128]; /* 80 unused storage locations */ +} dimm_t; + +/* + * memory type definitions + */ +#define DIMM_MT_FPM 1 /* standard FPM (fast page mode) DRAM */ +#define DIMM_MT_EDO 2 /* EDO (extended data out) */ +#define DIMM_MT_PN 3 /* pipelined nibble */ +#define DIMM_MT_SDRAM 4 /* SDRAM (synchronous DRAM) */ + +/* + * row addresses definitions + */ +#define DIMM_RA_RDNDNT (1<<7) /* redundant addressing */ +#define DIMM_RA_MASK 0x7f /* number of row addresses mask */ + +/* + * module interface levels definitions + */ +#define DIMM_IFL_TTL 0 /* TTL/5V tolerant */ +#define DIMM_IFL_LVTTL 1 /* LVTTL (not 5V tolerant) */ +#define DIMM_IFL_HSTL15 2 /* HSTL 1.5 */ +#define DIMM_IFL_SSTL33 3 /* SSTL 3.3 */ +#define DIMM_IFL_SSTL25 4 /* SSTL 2.5 */ + +/* + * DIMM configuration type definitions + */ +#define DIMM_CT_NONE 0 /* none */ +#define DIMM_CT_PARITY 1 /* parity */ +#define DIMM_CT_ECC 2 /* ECC */ + +/* + * row addresses definitions + */ +#define DIMM_RRT_SR (1<<7) /* self refresh flag */ +#define DIMM_RRT_MASK 0x7f /* refresh rate mask */ +#define DIMM_RRT_NRML 0x00 /* normal (15.625us) */ +#define DIMM_RRT_R_3_9 0x01 /* reduced .25x (3.9us) */ +#define DIMM_RRT_R_7_8 0x02 /* reduced .5x (7.8us) */ +#define DIMM_RRT_E_31_3 0x03 /* extended 2x (31.3us) */ +#define DIMM_RRT_E_62_5 0x04 /* extended 4x (62.5us) */ +#define DIMM_RRT_E_125 0x05 /* extended 8x (125us) */ + +#endif /* __dimm_h */ diff --git a/board/mbx8xx/u-boot.lds b/board/mbx8xx/u-boot.lds new file mode 100644 index 0000000..d647be3 --- /dev/null +++ b/board/mbx8xx/u-boot.lds @@ -0,0 +1,122 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/mpc8xx/start.o (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} + diff --git a/board/mbx8xx/vpd.h b/board/mbx8xx/vpd.h new file mode 100644 index 0000000..1d9eb7f --- /dev/null +++ b/board/mbx8xx/vpd.h @@ -0,0 +1,119 @@ +#ifndef __vpd_h +#define __vpd_h + +/* + * Module name: %M% + * Description: + * Vital Product Data (VPD) Header Module + * SCCS identification: %I% + * Branch: %B% + * Sequence: %S% + * Date newest applied delta was created (MM/DD/YY): %G% + * Time newest applied delta was created (HH:MM:SS): %U% + * SCCS file name %F% + * Fully qualified SCCS file name: + * %P% + * Copyright: + * (C) COPYRIGHT MOTOROLA, INC. 1996 + * ALL RIGHTS RESERVED + * Notes: + * History: + * Date Who + * + * 10/24/96 Rob Baxter + * Initial release. + * + */ + +#define VPD_EEPROM_SIZE 256 /* EEPROM size in bytes */ + +/* + * packet tuple identifiers + * + * 0x0D - 0xBF reserved + * 0xC0 - 0xFE user defined + */ +#define VPD_PID_GI 0x00 /* guaranteed illegal */ +#define VPD_PID_PID 0x01 /* product identifier (ASCII) */ +#define VPD_PID_FAN 0x02 /* factory assembly-number (ASCII) */ +#define VPD_PID_SN 0x03 /* serial-number (ASCII) */ +#define VPD_PID_PCO 0x04 /* product configuration options(binary) */ +#define VPD_PID_ICS 0x05 /* internal clock speed in HZ (integer) */ +#define VPD_PID_ECS 0x06 /* external clock speed in HZ (integer) */ +#define VPD_PID_RCS 0x07 /* reference clock speed in HZ(integer) */ +#define VPD_PID_EA 0x08 /* ethernet address (binary) */ +#define VPD_PID_MT 0x09 /* microprocessor type (ASCII) */ +#define VPD_PID_CRC 0x0A /* EEPROM CRC (integer) */ +#define VPD_PID_FMC 0x0B /* FLASH memory configuration (binary) */ +#define VPD_PID_VLSI 0x0C /* VLSI revisions/versions (binary) */ +#define VPD_PID_TERM 0xFF /* termination */ + +/* + * VPD structure (format) + */ +#define VPD_EYE_SIZE 8 /* eyecatcher size */ +typedef struct vpd_header +{ + uchar eyecatcher[VPD_EYE_SIZE]; /* eyecatcher - "MOTOROLA" */ + ushort size; /* size of EEPROM */ +} vpd_header_t; + +#define VPD_DATA_SIZE (VPD_EEPROM_SIZE-sizeof(vpd_header_t)) +typedef struct vpd +{ + vpd_header_t header; /* header */ + uchar packets[VPD_DATA_SIZE]; /* data */ +} vpd_t; + +/* + * packet tuple structure (format) + */ +typedef struct vpd_packet +{ + uchar identifier; /* identifier (PIDs above) */ + uchar size; /* size of the following data area */ + uchar data[1]; /* data (size is dependent upon PID) */ +} vpd_packet_t; + +/* + * MBX product configuration options bit definitions + * + * Notes: + * 1. The bit numbering is reversed in perspective with the C compiler. + */ +#define PCO_BBRAM (1<<0) /* battery-backed RAM (BBRAM) and socket */ +#define PCO_BOOTROM (1<<1) /* boot ROM and socket (i.e., socketed FLASH) */ +#define PCO_KAPWR (1<<2) /* keep alive power source (lithium battey) and control circuit */ +#define PCO_ENET_TP (1<<3) /* ethernet twisted pair (TP) connector (RJ45) */ +#define PCO_ENET_AUI (1<<4) /* ethernet attachment unit interface (AUI) header */ +#define PCO_PCMCIA (1<<5) /* PCMCIA socket */ +#define PCO_DIMM (1<<6) /* DIMM module socket */ +#define PCO_DTT (1<<7) /* digital thermometer and thermostat (DTT) device */ +#define PCO_LCD (1<<8) /* liquid crystal display (LCD) device */ +#define PCO_PCI (1<<9) /* PCI-Bus bridge device (QSpan) and ISA-Bus bridge device (Winbond) */ +#define PCO_PCIO (1<<10) /* PC I/O (COM1, COM2, FDC, LPT, Keyboard/Mouse) */ +#define PCO_EIDE (1<<11) /* enhanced IDE (EIDE) header */ +#define PCO_FDC (1<<12) /* floppy disk controller (FDC) header */ +#define PCO_LPT_8XX (1<<13) /* parallel port header via MPC8xx */ +#define PCO_LPT_PCIO (1<<14) /* parallel port header via PC I/O */ + +/* + * FLASH memory configuration packet data + */ +typedef struct vpd_fmc +{ + ushort mid; /* manufacturer's idenitfier */ + ushort did; /* manufacturer's device idenitfier */ + uchar ddw; /* device data width (e.g., 8-bits, 16-bits) */ + uchar nod; /* number of devices present */ + uchar noc; /* number of columns */ + uchar cw; /* column width in bits */ + uchar wedw; /* write/erase data width */ +} vpd_fmc_t; + +/* function prototypes */ +extern void vpd_init(void); +extern int vpd_read(uint iic_device, uchar *buf, int count, int offset); +extern vpd_packet_t *vpd_find_packet(u_char ident); + +#endif /* __vpd_h */ |