diff options
author | wdenk <wdenk> | 2004-06-09 21:50:45 +0000 |
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committer | wdenk <wdenk> | 2004-06-09 21:50:45 +0000 |
commit | 2d24a3a787c2376c2c2c86a511eee78ef170923f (patch) | |
tree | db949ae010577426e1ead185352703cdb68a36c7 /board/adder | |
parent | e63c8ee3dcde0992377df434ab5af486dd866866 (diff) |
* Patch by Yuli Barcohen, 09 Jun 2004:
Add support for Analogue&Micro Adder87x and the older AdderII board.
* Patch by Ming-Len Wu, 09 Jun 2004:
Add suppport for MC9328 (Dargonball) CPU and Motorola MX1ADS board
Diffstat (limited to 'board/adder')
-rw-r--r-- | board/adder/Makefile | 46 | ||||
-rw-r--r-- | board/adder/adder.c | 107 | ||||
-rw-r--r-- | board/adder/config.mk | 27 | ||||
-rw-r--r-- | board/adder/u-boot.lds | 122 |
4 files changed, 302 insertions, 0 deletions
diff --git a/board/adder/Makefile b/board/adder/Makefile new file mode 100644 index 00000000000..9123a8026d8 --- /dev/null +++ b/board/adder/Makefile @@ -0,0 +1,46 @@ +# +# Copyright (C) 2004 Arabella Software Ltd. +# Yuli Barcohen <yuli@arabellasw.com> +# +# 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 := $(BOARD).o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/adder/adder.c b/board/adder/adder.c new file mode 100644 index 00000000000..cab6e2f66aa --- /dev/null +++ b/board/adder/adder.c @@ -0,0 +1,107 @@ +/* + * Copyright (C) 2004 Arabella Software Ltd. + * Yuli Barcohen <yuli@arabellasw.com> + * + * Support for Analogue&Micro Adder boards family. + * Tested on AdderII and Adder87x. + * + * 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 <common.h> +#include <mpc8xx.h> + +/* + * SDRAM is single Samsung K4S643232F-T70 chip. + * Minimal CPU frequency is 40MHz. + */ +static uint sdram_table[] = { + /* Single read (offset 0x00 in UPM RAM) */ + 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xe0bbbc00, + 0x10f77c44, 0xf3fffc07, 0xfffffc04, 0xfffffc04, + + /* Burst read (offset 0x08 in UPM RAM) */ + 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xf0affc00, + 0xf0affc00, 0xf0affc00, 0xf0affc00, 0x10a77c44, + 0xf7bffc47, 0xfffffc35, 0xfffffc34, 0xfffffc35, + 0xfffffc35, 0x1ff77c35, 0xfffffc34, 0x1fb57c35, + + /* Single write (offset 0x18 in UPM RAM) */ + 0x1f27fc24, 0xe0aebc04, 0x00b93c00, 0x13f77c47, + 0xfffdfc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + + /* Burst write (offset 0x20 in UPM RAM) */ + 0x1f07fc24, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, + 0xf0affc00, 0xe0abbc00, 0x1fb77c47, 0xfffffc04, + 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + + /* Refresh (offset 0x30 in UPM RAM) */ + 0x1ff5fca4, 0xfffffc04, 0xfffffc04, 0xfffffc04, + 0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04, + 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + + /* Exception (offset 0x3C in UPM RAM) */ + 0xfffffc27, 0xfffffc04, 0xfffffc04, 0xfffffc04 +}; + +long int initdram (int board_type) +{ + long int msize = CFG_SDRAM_SIZE; + volatile immap_t *immap = (volatile immap_t *)CFG_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + + upmconfig(UPMA, sdram_table, sizeof(sdram_table) / sizeof(uint)); + + /* Configure SDRAM refresh */ + memctl->memc_mptpr = MPTPR_PTP_DIV32; /* BRGCLK/32 */ + + memctl->memc_mamr = (94 << 24) | CFG_MAMR; + memctl->memc_mar = 0x0; + udelay(200); + + /* Run precharge from location 0x15 */ + memctl->memc_mcr = 0x80002115; + udelay(200); + + /* Run 8 refresh cycles */ + memctl->memc_mcr = 0x80002830; + udelay(200); + + memctl->memc_mar = 0x88; + udelay(200); + + /* Run MRS pattern from location 0x16 */ + memctl->memc_mcr = 0x80002116; + udelay(200); + + return msize; +} + +int checkboard( void ) +{ + puts("Board: Adder"); +#if defined(CONFIG_MPC885_FAMILY) + puts("87x\n"); +#elif defined(CONFIG_MPC866_FAMILY) + puts("II\n"); +#endif + + return 0; +} diff --git a/board/adder/config.mk b/board/adder/config.mk new file mode 100644 index 00000000000..4691a69ef19 --- /dev/null +++ b/board/adder/config.mk @@ -0,0 +1,27 @@ +# +# Copyright (C) 2004 Arabella Software Ltd. +# Yuli Barcohen <yuli@arabellasw.com> +# +# 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 +# + +# +# Analogue&Micro Adder boards family +# +TEXT_BASE = 0xFE000000 diff --git a/board/adder/u-boot.lds b/board/adder/u-boot.lds new file mode 100644 index 00000000000..1d2a7d764b2 --- /dev/null +++ b/board/adder/u-boot.lds @@ -0,0 +1,122 @@ +/* + * (C) Copyright 2001-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Modified by Yuli Barcohen <yuli@arabellasw.com> + * + * 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) +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) + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _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 = .); + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} +ENTRY(_start) |