Initial revision

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 */