parent
8e6b47a89b
commit
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@ -0,0 +1,41 @@ |
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#
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# (C) Copyright 2000-2003
|
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
|
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# See file CREDITS for list of people who contributed to this
|
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# project.
|
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#
|
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# This program is free software; you can redistribute it and/or
|
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# modify it under the terms of the GNU General Public License as
|
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# published by the Free Software Foundation; either version 2 of
|
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# the License, or (at your option) any later version.
|
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#
|
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# This program is distributed in the hope that it will be useful,
|
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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# GNU General Public License for more details.
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#
|
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# You should have received a copy of the GNU General Public License
|
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# along with this program; if not, write to the Free Software
|
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = lib$(BOARD).a
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#OBJS = $(BOARD).o flash.o
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OBJS = $(BOARD).o
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$(LIB): .depend $(OBJS) |
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$(AR) crv $@ $(OBJS)
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#########################################################################
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.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) |
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$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
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sinclude .depend |
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#########################################################################
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@ -0,0 +1,29 @@ |
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#
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# (C) Copyright 2000
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
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#
|
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# See file CREDITS for list of people who contributed to this
|
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# project.
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#
|
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# This program is free software; you can redistribute it and/or
|
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# modify it under the terms of the GNU General Public License as
|
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# published by the Free Software Foundation; either version 2 of
|
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# the License, or (at your option) any later version.
|
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#
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# This program is distributed in the hope that it will be useful,
|
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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# GNU General Public License for more details.
|
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#
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# You should have received a copy of the GNU General Public License
|
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# along with this program; if not, write to the Free Software
|
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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#
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# UC100 boards
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#
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#TEXT_BASE = 0x40000000
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TEXT_BASE = 0x40700000
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@ -0,0 +1,140 @@ |
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/* |
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* (C) Copyright 2000 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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OUTPUT_ARCH(powerpc) |
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SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); |
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/* Do we need any of these for elf? |
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__DYNAMIC = 0; */ |
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SECTIONS |
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{ |
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/* Read-only sections, merged into text segment: */ |
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. = + SIZEOF_HEADERS; |
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.interp : { *(.interp) } |
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.hash : { *(.hash) } |
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.dynsym : { *(.dynsym) } |
||||
.dynstr : { *(.dynstr) } |
||||
.rel.text : { *(.rel.text) } |
||||
.rela.text : { *(.rela.text) } |
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.rel.data : { *(.rel.data) } |
||||
.rela.data : { *(.rela.data) } |
||||
.rel.rodata : { *(.rel.rodata) } |
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.rela.rodata : { *(.rela.rodata) } |
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.rel.got : { *(.rel.got) } |
||||
.rela.got : { *(.rela.got) } |
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.rel.ctors : { *(.rel.ctors) } |
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.rela.ctors : { *(.rela.ctors) } |
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.rel.dtors : { *(.rel.dtors) } |
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.rela.dtors : { *(.rela.dtors) } |
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.rel.bss : { *(.rel.bss) } |
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.rela.bss : { *(.rela.bss) } |
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.rel.plt : { *(.rel.plt) } |
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.rela.plt : { *(.rela.plt) } |
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.init : { *(.init) } |
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.plt : { *(.plt) } |
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.text : |
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{ |
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/* WARNING - the following is hand-optimized to fit within */ |
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/* the sector layout of our flash chips! XXX FIXME XXX */ |
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|
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cpu/mpc8xx/start.o (.text) |
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cpu/mpc8xx/traps.o (.text) |
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common/dlmalloc.o (.text) |
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lib_ppc/ppcstring.o (.text) |
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lib_generic/vsprintf.o (.text) |
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lib_generic/crc32.o (.text) |
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lib_generic/zlib.o (.text) |
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lib_ppc/cache.o (.text) |
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lib_ppc/time.o (.text) |
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|
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common/environment.o (.text) |
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|
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*(.text) |
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*(.fixup) |
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*(.got1) |
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} |
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_etext = .; |
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PROVIDE (etext = .); |
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.rodata : |
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{ |
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*(.rodata) |
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*(.rodata1) |
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*(.rodata.str1.4) |
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} |
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.fini : { *(.fini) } =0 |
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.ctors : { *(.ctors) } |
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.dtors : { *(.dtors) } |
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|
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/* Read-write section, merged into data segment: */ |
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. = (. + 0x00FF) & 0xFFFFFF00; |
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_erotext = .; |
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PROVIDE (erotext = .); |
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.reloc : |
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{ |
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*(.got) |
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_GOT2_TABLE_ = .; |
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*(.got2) |
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_FIXUP_TABLE_ = .; |
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*(.fixup) |
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} |
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__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; |
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__fixup_entries = (. - _FIXUP_TABLE_)>>2; |
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.data : |
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{ |
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*(.data) |
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*(.data1) |
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*(.sdata) |
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*(.sdata2) |
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*(.dynamic) |
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CONSTRUCTORS |
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} |
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_edata = .; |
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PROVIDE (edata = .); |
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__u_boot_cmd_start = .; |
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.u_boot_cmd : { *(.u_boot_cmd) } |
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__u_boot_cmd_end = .; |
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|
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__start___ex_table = .; |
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__ex_table : { *(__ex_table) } |
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__stop___ex_table = .; |
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. = ALIGN(256); |
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__init_begin = .; |
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.text.init : { *(.text.init) } |
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.data.init : { *(.data.init) } |
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. = ALIGN(256); |
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__init_end = .; |
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__bss_start = .; |
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.bss : |
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{ |
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*(.sbss) *(.scommon) |
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*(.dynbss) |
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*(.bss) |
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*(COMMON) |
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} |
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_end = . ; |
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PROVIDE (end = .); |
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} |
@ -0,0 +1,134 @@ |
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/* |
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* (C) Copyright 2000 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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OUTPUT_ARCH(powerpc) |
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SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); |
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/* Do we need any of these for elf? |
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__DYNAMIC = 0; */ |
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SECTIONS |
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{ |
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/* Read-only sections, merged into text segment: */ |
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. = + SIZEOF_HEADERS; |
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.interp : { *(.interp) } |
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.hash : { *(.hash) } |
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.dynsym : { *(.dynsym) } |
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.dynstr : { *(.dynstr) } |
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.rel.text : { *(.rel.text) } |
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.rela.text : { *(.rela.text) } |
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.rel.data : { *(.rel.data) } |
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.rela.data : { *(.rela.data) } |
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.rel.rodata : { *(.rel.rodata) } |
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.rela.rodata : { *(.rela.rodata) } |
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.rel.got : { *(.rel.got) } |
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.rela.got : { *(.rela.got) } |
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.rel.ctors : { *(.rel.ctors) } |
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.rela.ctors : { *(.rela.ctors) } |
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.rel.dtors : { *(.rel.dtors) } |
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.rela.dtors : { *(.rela.dtors) } |
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.rel.bss : { *(.rel.bss) } |
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.rela.bss : { *(.rela.bss) } |
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.rel.plt : { *(.rel.plt) } |
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.rela.plt : { *(.rela.plt) } |
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.init : { *(.init) } |
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.plt : { *(.plt) } |
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.text : |
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{ |
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/* WARNING - the following is hand-optimized to fit within */ |
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/* the sector layout of our flash chips! XXX FIXME XXX */ |
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|
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cpu/mpc8xx/start.o (.text) |
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common/dlmalloc.o (.text) |
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lib_generic/vsprintf.o (.text) |
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lib_generic/crc32.o (.text) |
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|
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common/environment.o(.text) |
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|
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*(.text) |
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*(.fixup) |
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*(.got1) |
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} |
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_etext = .; |
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PROVIDE (etext = .); |
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.rodata : |
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{ |
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*(.rodata) |
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*(.rodata1) |
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} |
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.fini : { *(.fini) } =0 |
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.ctors : { *(.ctors) } |
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.dtors : { *(.dtors) } |
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|
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/* Read-write section, merged into data segment: */ |
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. = (. + 0x0FFF) & 0xFFFFF000; |
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_erotext = .; |
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PROVIDE (erotext = .); |
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.reloc : |
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{ |
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*(.got) |
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_GOT2_TABLE_ = .; |
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*(.got2) |
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_FIXUP_TABLE_ = .; |
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*(.fixup) |
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} |
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__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; |
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__fixup_entries = (. - _FIXUP_TABLE_)>>2; |
||||
|
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.data : |
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{ |
||||
*(.data) |
||||
*(.data1) |
||||
*(.sdata) |
||||
*(.sdata2) |
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*(.dynamic) |
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CONSTRUCTORS |
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} |
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_edata = .; |
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PROVIDE (edata = .); |
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|
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__u_boot_cmd_start = .; |
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.u_boot_cmd : { *(.u_boot_cmd) } |
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__u_boot_cmd_end = .; |
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|
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|
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__start___ex_table = .; |
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__ex_table : { *(__ex_table) } |
||||
__stop___ex_table = .; |
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|
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. = ALIGN(4096); |
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__init_begin = .; |
||||
.text.init : { *(.text.init) } |
||||
.data.init : { *(.data.init) } |
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. = ALIGN(4096); |
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__init_end = .; |
||||
|
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__bss_start = .; |
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.bss : |
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{ |
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*(.sbss) *(.scommon) |
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*(.dynbss) |
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*(.bss) |
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*(COMMON) |
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} |
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_end = . ; |
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PROVIDE (end = .); |
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} |
@ -0,0 +1,268 @@ |
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/*
|
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* (C) Copyright 2000-2004 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* 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, |
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* MA 02111-1307 USA |
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*/ |
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#if 0 |
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#define DEBUG |
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#endif |
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#include <common.h> |
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#include <mpc8xx.h> |
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#include <i2c.h> |
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|
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|
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/*********************************************************************/ |
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/* UPMA Pre Initilization Table by WV (Miron MT48LC16M16A2-7E B) */ |
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/*********************************************************************/ |
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const uint sdram_init_upm_table[] = { |
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/* SDRAM Initialisation Sequence (offset 0 in UPMA RAM) WV */ |
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/* NOP - Precharge - AutoRefr - NOP - NOP */ |
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/* NOP - AutoRefr - NOP */ |
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/* NOP - NOP - LoadModeR - NOP - Active */ |
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/* Position of Single Read */ |
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0x0ffffc04, 0x0ff77c04, 0x0ff5fc04, 0x0ffffc04, 0x0ffffc04, |
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0x0ffffc04, 0x0ff5fc04, 0x0ffffc04, |
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|
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/* Burst Read. (offset 8 in UPMA RAM) */ |
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/* Cycle lent for Initialisation WV */ |
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0x0ffffc04, 0x0ffffc34, 0x0f057c34, 0x0ffffc30, 0x1ff7fc05, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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|
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/* Single Write. (offset 18 in UPMA RAM) */ |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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|
||||
/* Burst Write. (offset 20 in UPMA RAM) */ |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* Refresh (offset 30 in UPMA RAM) */ |
||||
0x0FF77C04, 0x0FFFFC04, 0x0FF5FC84, 0x0FFFFC04, 0x0FFFFC04, |
||||
0x0FFFFC84, 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* Exception. (offset 3c in UPMA RAM) */ |
||||
0x7FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
}; |
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|
||||
/*********************************************************************/ |
||||
/* UPMA initilization table. */ |
||||
/*********************************************************************/ |
||||
const uint sdram_upm_table[] = { |
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/* single read. (offset 0 in UPMA RAM) */ |
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0x0F07FC04, 0x0FFFFC04, 0x00BDFC04, 0x0FF77C00, 0x1FFFFC05, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, /* 0x05-0x07 new WV */ |
||||
|
||||
/* Burst Read. (offset 8 in UPMA RAM) */ |
||||
0x0F07FC04, 0x0FFFFC04, 0x00BDFC04, 0x00FFFC00, 0x00FFFC00, |
||||
0x00FFFC00, 0x0FF77C00, 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* Single Write. (offset 18 in UPMA RAM) */ |
||||
0x0F07FC04, 0x0FFFFC00, 0x00BD7C04, 0x0FFFFC04, 0x0FF77C04, |
||||
0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* Burst Write. (offset 20 in UPMA RAM) */ |
||||
0x0F07FC04, 0x0FFFFC00, 0x00BD7C00, 0x00FFFC00, 0x00FFFC00, |
||||
0x00FFFC04, 0x0FFFFC04, 0x0FF77C04, 0x1FFFFC05, 0xFFFFFFFF, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* Refresh (offset 30 in UPMA RAM) */ |
||||
0x0FF77C04, 0x0FFFFC04, 0x0FF5FC84, 0x0FFFFC04, 0x0FFFFC04, |
||||
0x0FFFFC84, 0x1FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* Exception. (offset 3c in UPMA RAM) */ |
||||
0x7FFFFC05, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, /* 0x3C new WV */ |
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}; |
||||
|
||||
/*********************************************************************/ |
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/* UPMB initilization table. */ |
||||
/*********************************************************************/ |
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const uint mpm_upm_table[] = { |
||||
/* single read. (offset 0 in upm RAM) */ |
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0x8FF00004, 0x0FF00004, 0x0FF81004, 0x1FF00001, |
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0x1FF00001, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* burst read. (Offset 8 in upm RAM) */ |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* single write. (Offset 0x18 in upm RAM) */ |
||||
0x8FF00004, 0x0FF00004, 0x0FF81004, 0x0FF00004, |
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0x0FF00004, 0x1FF00001, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* burst write. (Offset 0x20 in upm RAM) */ |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* Refresh cycle, offset 0x30 */ |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
||||
|
||||
/* Exception, 0ffset 0x3C */ |
||||
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
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}; |
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|
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|
||||
int board_switch(void) |
||||
{ |
||||
volatile pcmconf8xx_t *pcmp; |
||||
|
||||
pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); |
||||
|
||||
return ((pcmp->pcmc_pipr >> 24) & 0xf); |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Check Board Identity: |
||||
*/ |
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int checkboard (void) |
||||
{ |
||||
unsigned char str[64]; |
||||
int i = getenv_r ("serial#", str, sizeof(str)); |
||||
|
||||
puts ("Board: "); |
||||
|
||||
if (i == -1) { |
||||
puts ("### No HW ID - assuming UC100"); |
||||
} else { |
||||
puts(str); |
||||
} |
||||
|
||||
printf (" (SWITCH=%1X)\n", board_switch()); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Initialize SDRAM |
||||
*/ |
||||
long int initdram (int board_type) |
||||
{ |
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR; |
||||
volatile memctl8xx_t *memctl = &immap->im_memctl; |
||||
|
||||
/*---------------------------------------------------------------------*/ |
||||
/* Initialize the UPMA/UPMB registers with the appropriate table. */ |
||||
/*---------------------------------------------------------------------*/ |
||||
upmconfig (UPMA, (uint *) sdram_init_upm_table, |
||||
sizeof (sdram_init_upm_table) / sizeof (uint)); |
||||
upmconfig (UPMB, (uint *) mpm_upm_table, |
||||
sizeof (mpm_upm_table) / sizeof (uint)); |
||||
|
||||
/*---------------------------------------------------------------------*/ |
||||
/* Memory Periodic Timer Prescaler: divide by 16 */ |
||||
/*---------------------------------------------------------------------*/ |
||||
memctl->memc_mptpr = 0x0200; /* Divide by 32 WV */ |
||||
|
||||
memctl->memc_mamr = CFG_MAMR_VAL & 0xFF7FFFFF; /* Bit 8 := "0" Kein Refresh WV */ |
||||
memctl->memc_mbmr = CFG_MBMR_VAL; |
||||
|
||||
/*---------------------------------------------------------------------*/ |
||||
/* Initialize the Memory Controller registers, MPTPR, Chip Select 1 */ |
||||
/* for SDRAM */ |
||||
/* */ |
||||
/* NOTE: The refresh rate in MAMR reg is set according to the lowest */ |
||||
/* clock rate (16.67MHz) to allow proper operation for all ADS */ |
||||
/* clock frequencies. */ |
||||
/*---------------------------------------------------------------------*/ |
||||
memctl->memc_or1 = CFG_OR1_PRELIM; |
||||
memctl->memc_br1 = CFG_BR1_PRELIM; |
||||
|
||||
/*-------------------------------------------------------------------*/ |
||||
/* Wait at least 200 usec for DRAM to stabilize, this magic number */ |
||||
/* obtained from the init code. */ |
||||
/*-------------------------------------------------------------------*/ |
||||
udelay(200); |
||||
|
||||
memctl->memc_mamr = (memctl->memc_mamr | 0x04) & ~0x08; |
||||
|
||||
memctl->memc_br1 = CFG_BR1_PRELIM; |
||||
memctl->memc_or1 = CFG_OR1_PRELIM; |
||||
|
||||
/*---------------------------------------------------------------------*/ |
||||
/* run MRS command in location 5-8 of UPMB. */ |
||||
/*---------------------------------------------------------------------*/ |
||||
memctl->memc_mar = 0x88; |
||||
/* RUN UPMA on CS1 1-time from UPMA addr 0x05 */ |
||||
|
||||
memctl->memc_mcr = 0x80002100; |
||||
/* RUN UPMA on CS1 1-time from UPMA addr 0x00 WV */ |
||||
|
||||
udelay(200); |
||||
|
||||
/*---------------------------------------------------------------------*/ |
||||
/* Initialisation for normal access WV */ |
||||
/*---------------------------------------------------------------------*/ |
||||
|
||||
/*---------------------------------------------------------------------*/ |
||||
/* Initialize the UPMA register with the appropriate table. */ |
||||
/*---------------------------------------------------------------------*/ |
||||
upmconfig (UPMA, (uint *) sdram_upm_table, |
||||
sizeof (sdram_upm_table) / sizeof (uint)); |
||||
|
||||
/*---------------------------------------------------------------------*/ |
||||
/* rerstore MBMR value (4-beat refresh burst.) */ |
||||
/*---------------------------------------------------------------------*/ |
||||
memctl->memc_mamr = CFG_MAMR_VAL | 0x00800000; /* Bit 8 := "1" Refresh Enable WV */ |
||||
|
||||
udelay(200); |
||||
|
||||
return (64 * 1024 * 1024); /* fixed setup for 64MBytes! */ |
||||
} |
||||
|
||||
|
||||
int misc_init_r (void) |
||||
{ |
||||
uchar val; |
||||
|
||||
/*
|
||||
* Make sure that RTC has clock output enabled (triggers watchdog!) |
||||
*/ |
||||
val = i2c_reg_read (CFG_I2C_RTC_ADDR, 0x0D); |
||||
val |= 0x80; |
||||
i2c_reg_write (CFG_I2C_RTC_ADDR, 0x0D, val); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
|
||||
#ifdef CONFIG_POST |
||||
/*
|
||||
* Returns 1 if keys pressed to start the power-on long-running tests |
||||
* Called from board_init_f(). |
||||
*/ |
||||
int post_hotkeys_pressed (void) |
||||
{ |
||||
return 0; /* No hotkeys supported */ |
||||
} |
||||
#endif |
@ -0,0 +1,505 @@ |
||||
/*
|
||||
* (C) Copyright 2000-2004 |
||||
* 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 |
||||
*/ |
||||
|
||||
/*
|
||||
* board/config.h - configuration options, board specific |
||||
*/ |
||||
|
||||
#ifndef __CONFIG_H |
||||
#define __CONFIG_H |
||||
|
||||
/*
|
||||
* High Level Configuration Options |
||||
* (easy to change) |
||||
*/ |
||||
|
||||
#define CONFIG_MPC860 1 |
||||
#define CONFIG_MPC860T 1 |
||||
#define CONFIG_MPC862 1 /* enable 862 since the */ |
||||
#define CONFIG_MPC857 1 /* 857 is a variant of the 862 */ |
||||
|
||||
#define CONFIG_UC100 1 /* ...on a UC100 module */ |
||||
|
||||
#define MPC8XX_FACT 4 /* Multiply by 4 */ |
||||
#define MPC8XX_XIN 25000000 /* 25.0 MHz in */ |
||||
#define CONFIG_8xx_GCLK_FREQ (MPC8XX_FACT * MPC8XX_XIN) |
||||
/* define if cant' use get_gclk_freq */ |
||||
|
||||
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
||||
#undef CONFIG_8xx_CONS_SMC2 |
||||
#undef CONFIG_8xx_CONS_NONE |
||||
|
||||
#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */ |
||||
|
||||
#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ |
||||
|
||||
#define CONFIG_BOOTCOUNT_LIMIT |
||||
|
||||
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
||||
|
||||
#define CONFIG_BOARD_TYPES 1 /* support board types */ |
||||
|
||||
#define CONFIG_PREBOOT "echo;" \ |
||||
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
|
||||
"echo" |
||||
|
||||
#undef CONFIG_BOOTARGS |
||||
|
||||
#define CONFIG_EXTRA_ENV_SETTINGS \ |
||||
"netdev=eth0\0" \
|
||||
"nfsargs=setenv bootargs root=/dev/nfs rw " \
|
||||
"nfsroot=$(serverip):$(rootpath)\0" \
|
||||
"ramargs=setenv bootargs root=/dev/ram rw\0" \
|
||||
"addip=setenv bootargs $(bootargs) " \
|
||||
"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
|
||||
":$(hostname):$(netdev):off panic=1\0" \
|
||||
"addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\
|
||||
"flash_nfs=run nfsargs addip addtty;" \
|
||||
"bootm $(kernel_addr)\0" \
|
||||
"flash_self=run ramargs addip addtty;" \
|
||||
"bootm $(kernel_addr) $(ramdisk_addr)\0" \
|
||||
"net_nfs=tftp 200000 $(bootfile);run nfsargs addip addtty;" \
|
||||
"bootm\0" \
|
||||
"rootpath=/opt/eldk/ppc_8xx\0" \
|
||||
"bootfile=/tftpboot/uc100/uImage\0" \
|
||||
"kernel_addr=40000000\0" \
|
||||
"ramdisk_addr=40100000\0" \
|
||||
"load=tftp 100000 /tftpboot/uc100/u-boot.bin\0" \
|
||||
"update=protect off 40700000 4073ffff;era 40700000 4073ffff;" \
|
||||
"cp.b 100000 40700000 $(filesize);" \
|
||||
"setenv filesize;saveenv\0" \
|
||||
"" |
||||
#define CONFIG_BOOTCOMMAND "run flash_self" |
||||
|
||||
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ |
||||
#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
||||
|
||||
#undef CONFIG_WATCHDOG /* watchdog disabled */ |
||||
|
||||
#undef CONFIG_STATUS_LED /* no status-led */ |
||||
|
||||
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) |
||||
|
||||
#define CONFIG_MAC_PARTITION |
||||
#define CONFIG_DOS_PARTITION |
||||
|
||||
#undef CONFIG_RTC_MPC8xx |
||||
#define CFG_I2C_RTC_ADDR 0x51 /* PCF8563 RTC */ |
||||
#define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */ |
||||
|
||||
/*
|
||||
* Power On Self Test support |
||||
*/ |
||||
#define CONFIG_POST ( CFG_POST_CACHE | \ |
||||
CFG_POST_MEMORY | \
|
||||
CFG_POST_CPU | \
|
||||
CFG_POST_UART | \
|
||||
CFG_POST_SPR ) |
||||
#undef CONFIG_POST |
||||
|
||||
#ifdef CONFIG_POST |
||||
#define CFG_CMD_POST_DIAG CFG_CMD_DIAG |
||||
#else |
||||
#define CFG_CMD_POST_DIAG 0 |
||||
#endif |
||||
|
||||
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ |
||||
CFG_CMD_ASKENV | \
|
||||
CFG_CMD_DHCP | \
|
||||
CFG_CMD_ELF | \
|
||||
CFG_CMD_IDE | \
|
||||
CFG_CMD_FAT | \
|
||||
CFG_CMD_MII | \
|
||||
CFG_CMD_PING | \
|
||||
CFG_CMD_I2C | \
|
||||
CFG_CMD_EEPROM | \
|
||||
CFG_CMD_DATE | \
|
||||
CFG_CMD_POST_DIAG ) |
||||
|
||||
#define CONFIG_NETCONSOLE |
||||
|
||||
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
||||
#include <cmd_confdefs.h> |
||||
|
||||
/*
|
||||
* Miscellaneous configurable options |
||||
*/ |
||||
#define CFG_LONGHELP /* undef to save memory */ |
||||
#define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
||||
|
||||
#if 0 |
||||
#define CFG_HUSH_PARSER 1 /* use "hush" command parser */ |
||||
#endif |
||||
#ifdef CFG_HUSH_PARSER |
||||
#define CFG_PROMPT_HUSH_PS2 "> " |
||||
#endif |
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
||||
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
||||
#else |
||||
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
||||
#endif |
||||
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
||||
#define CFG_MAXARGS 16 /* max number of command args */ |
||||
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
||||
|
||||
#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ |
||||
#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ |
||||
|
||||
#define CFG_LOAD_ADDR 0x100000 /* default load address */ |
||||
|
||||
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
||||
|
||||
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
||||
|
||||
#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */ |
||||
|
||||
/*
|
||||
* Low Level Configuration Settings |
||||
* (address mappings, register initial values, etc.) |
||||
* You should know what you are doing if you make changes here. |
||||
*/ |
||||
/*-----------------------------------------------------------------------
|
||||
* Internal Memory Mapped Register |
||||
*/ |
||||
#define CFG_IMMR 0xF0000000 |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Definitions for initial stack pointer and data area (in DPRAM) |
||||
*/ |
||||
#define CFG_INIT_RAM_ADDR CFG_IMMR |
||||
#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
||||
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ |
||||
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
||||
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Start addresses for the final memory configuration |
||||
* (Set up by the startup code) |
||||
* Please note that CFG_SDRAM_BASE _must_ start at 0 |
||||
*/ |
||||
#define CFG_SDRAM_BASE 0x00000000 |
||||
#define CFG_FLASH_BASE 0x40000000 |
||||
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
||||
#define CFG_MONITOR_BASE (CFG_FLASH_BASE+0x00700000) /* resetvec fff00100*/ |
||||
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Address accessed to reset the board - must not be mapped/assigned |
||||
*/ |
||||
#define CFG_RESET_ADDRESS 0x90000000 |
||||
|
||||
/*
|
||||
* For booting Linux, the board info and command line data |
||||
* have to be in the first 8 MB of memory, since this is |
||||
* the maximum mapped by the Linux kernel during initialization. |
||||
*/ |
||||
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH organization |
||||
*/ |
||||
#define CFG_FLASH_CFI /* The flash is CFI compatible */ |
||||
#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ |
||||
#define CFG_FLASH_CFI_AMD_RESET 1 /* AMD RESET for STM 29W320DB! */ |
||||
|
||||
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
||||
#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ |
||||
|
||||
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
||||
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
||||
|
||||
#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ |
||||
|
||||
#define CFG_ENV_IS_IN_FLASH 1 |
||||
#define CFG_ENV_ADDR (CFG_MONITOR_BASE+CFG_MONITOR_LEN) |
||||
#define CFG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */ |
||||
#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ |
||||
|
||||
/* Address and size of Redundant Environment Sector */ |
||||
#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR+CFG_ENV_SECT_SIZE) |
||||
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Cache Configuration |
||||
*/ |
||||
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
||||
#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
||||
#endif |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SYPCR - System Protection Control 11-9 |
||||
* SYPCR can only be written once after reset! |
||||
*----------------------------------------------------------------------- |
||||
* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze |
||||
*/ |
||||
#if defined(CONFIG_WATCHDOG) |
||||
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
||||
SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
||||
#else |
||||
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
||||
#endif |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SIUMCR - SIU Module Configuration 11-6 |
||||
*----------------------------------------------------------------------- |
||||
* PCMCIA config., multi-function pin tri-state |
||||
*/ |
||||
#define CFG_SIUMCR (SIUMCR_FRC | SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* TBSCR - Time Base Status and Control 11-26 |
||||
*----------------------------------------------------------------------- |
||||
* Clear Reference Interrupt Status, Timebase freezing enabled |
||||
*/ |
||||
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* RTCSC - Real-Time Clock Status and Control Register 11-27 |
||||
*----------------------------------------------------------------------- |
||||
*/ |
||||
#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* PISCR - Periodic Interrupt Status and Control 11-31 |
||||
*----------------------------------------------------------------------- |
||||
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
||||
*/ |
||||
#define CFG_PISCR (PISCR_PS | PISCR_PITF) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 |
||||
*----------------------------------------------------------------------- |
||||
* Reset PLL lock status sticky bit, timer expired status bit and timer |
||||
* interrupt status bit |
||||
*/ |
||||
#define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \ |
||||
PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SCCR - System Clock and reset Control Register 15-27 |
||||
*----------------------------------------------------------------------- |
||||
* Set clock output, timebase and RTC source and divider, |
||||
* power management and some other internal clocks |
||||
*/ |
||||
#define SCCR_MASK 0x00000000 |
||||
#define CFG_SCCR (SCCR_EBDF11) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* PCMCIA stuff |
||||
*----------------------------------------------------------------------- |
||||
* |
||||
*/ |
||||
#define CFG_PCMCIA_MEM_ADDR (0xE0000000) |
||||
#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) |
||||
#define CFG_PCMCIA_DMA_ADDR (0xE4000000) |
||||
#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) |
||||
#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) |
||||
#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) |
||||
#define CFG_PCMCIA_IO_ADDR (0xEC000000) |
||||
#define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) |
||||
*----------------------------------------------------------------------- |
||||
*/ |
||||
|
||||
#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ |
||||
|
||||
#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ |
||||
#undef CONFIG_IDE_LED /* LED for ide not supported */ |
||||
#undef CONFIG_IDE_RESET /* reset for ide not supported */ |
||||
|
||||
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ |
||||
#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ |
||||
|
||||
#define CFG_ATA_IDE0_OFFSET 0x0000 |
||||
|
||||
#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR |
||||
|
||||
/* Offset for data I/O */ |
||||
#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) |
||||
|
||||
/* Offset for normal register accesses */ |
||||
#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) |
||||
|
||||
/* Offset for alternate registers */ |
||||
#define CFG_ATA_ALT_OFFSET 0x0100 |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* |
||||
*----------------------------------------------------------------------- |
||||
* |
||||
*/ |
||||
#define CFG_DER 0 |
||||
|
||||
/*
|
||||
* Init Memory Controller: |
||||
* |
||||
* BR0/1 and OR0/1 (FLASH) |
||||
*/ |
||||
|
||||
#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ |
||||
#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */ |
||||
|
||||
/* used to re-map FLASH both when starting from SRAM or FLASH:
|
||||
* restrict access enough to keep SRAM working (if any) |
||||
* but not too much to meddle with FLASH accesses |
||||
*/ |
||||
#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
||||
#define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */ |
||||
|
||||
/*
|
||||
* FLASH timing: |
||||
*/ |
||||
#define CFG_OR_TIMING_FLASH (0x00000d24) |
||||
|
||||
#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) |
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#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) |
||||
#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) |
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|
||||
#define CFG_BR1_PRELIM 0x00000081 /* Chip select for SDRAM (32 Bit, UPMA) */ |
||||
#define CFG_OR1_PRELIM 0xfc000a00 |
||||
#define CFG_BR2_PRELIM 0x80000001 /* Chip select for SRAM (32 Bit, GPCM) */ |
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#define CFG_OR2_PRELIM 0xfff00d24 |
||||
#define CFG_BR3_PRELIM 0x80600401 /* Chip select for Display (8 Bit, GPCM) */ |
||||
#define CFG_OR3_PRELIM 0xffff8f44 |
||||
#define CFG_BR4_PRELIM 0xc05108c1 /* Chip select for Interbus MPM (16 Bit, UPMB) */ |
||||
#define CFG_OR4_PRELIM 0xffff0300 |
||||
#define CFG_BR5_PRELIM 0xc0500401 /* Chip select for Interbus Status (8 Bit, GPCM) */ |
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#define CFG_OR5_PRELIM 0xffff8db0 |
||||
|
||||
/*
|
||||
* Memory Periodic Timer Prescaler |
||||
* |
||||
* The Divider for PTA (refresh timer) configuration is based on an |
||||
* example SDRAM configuration (64 MBit, one bank). The adjustment to |
||||
* the number of chip selects (NCS) and the actually needed refresh |
||||
* rate is done by setting MPTPR. |
||||
* |
||||
* PTA is calculated from |
||||
* PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) |
||||
* |
||||
* gclk CPU clock (not bus clock!) |
||||
* Trefresh Refresh cycle * 4 (four word bursts used) |
||||
* |
||||
* 4096 Rows from SDRAM example configuration |
||||
* 1000 factor s -> ms |
||||
* 32 PTP (pre-divider from MPTPR) from SDRAM example configuration |
||||
* 4 Number of refresh cycles per period |
||||
* 64 Refresh cycle in ms per number of rows |
||||
* -------------------------------------------- |
||||
* Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 |
||||
* |
||||
* 50 MHz => 50.000.000 / Divider = 98 |
||||
* 66 Mhz => 66.000.000 / Divider = 129 |
||||
* 80 Mhz => 80.000.000 / Divider = 156 |
||||
* 100 Mhz => 100.000.000 / Divider = 195 |
||||
*/ |
||||
|
||||
#define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64)) |
||||
#define CFG_MAMR_PTA 98 |
||||
|
||||
/*
|
||||
* For 16 MBit, refresh rates could be 31.3 us |
||||
* (= 64 ms / 2K = 125 / quad bursts). |
||||
* For a simpler initialization, 15.6 us is used instead. |
||||
* |
||||
* #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks |
||||
* #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank |
||||
*/ |
||||
#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
||||
#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ |
||||
|
||||
/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ |
||||
#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ |
||||
#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ |
||||
|
||||
/*
|
||||
* MAMR settings for SDRAM |
||||
*/ |
||||
|
||||
/* 8 column SDRAM */ |
||||
#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
||||
MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
|
||||
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
||||
/* 9 column SDRAM */ |
||||
#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
||||
MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
|
||||
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
||||
|
||||
#define CFG_MAMR_VAL 0x30904114 /* for SDRAM */ |
||||
#define CFG_MBMR_VAL 0xff001111 /* for Interbus-MPM */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* I2C stuff |
||||
*/ |
||||
|
||||
/* enable I2C and select the hardware/software driver */ |
||||
#undef CONFIG_HARD_I2C /* I2C with hardware support */ |
||||
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ |
||||
|
||||
#define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */ |
||||
#define CFG_I2C_SLAVE 0xFE |
||||
|
||||
#ifdef CONFIG_SOFT_I2C |
||||
/*
|
||||
* Software (bit-bang) I2C driver configuration |
||||
*/ |
||||
#define PB_SCL 0x00000020 /* PB 26 */ |
||||
#define PB_SDA 0x00000010 /* PB 27 */ |
||||
|
||||
#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) |
||||
#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) |
||||
#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) |
||||
#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) |
||||
#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ |
||||
else immr->im_cpm.cp_pbdat &= ~PB_SDA |
||||
#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ |
||||
else immr->im_cpm.cp_pbdat &= ~PB_SCL |
||||
#define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */ |
||||
#endif /* CONFIG_SOFT_I2C */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* I2C EEPROM (24C164) |
||||
*/ |
||||
#define CFG_I2C_EEPROM_ADDR 0x58 /* EEPROM AT24C164 */ |
||||
#define CFG_I2C_EEPROM_ADDR_LEN 1 |
||||
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */ |
||||
#define CFG_EEPROM_PAGE_WRITE_BITS 4 |
||||
|
||||
/*
|
||||
* Internal Definitions |
||||
* |
||||
* Boot Flags |
||||
*/ |
||||
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
||||
#define BOOTFLAG_WARM 0x02 /* Software reboot */ |
||||
|
||||
#define CONFIG_FEC_ENET 1 /* use FEC ethernet */ |
||||
#define FEC_ENET |
||||
#define CONFIG_MII |
||||
#define CFG_DISCOVER_PHY 1 |
||||
|
||||
#endif /* __CONFIG_H */ |
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Reference in new issue