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author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
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committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
commit | 92988a21ad4c4c9504295ccb580c9f806134471b (patch) | |
tree | 5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/board/adder | |
parent | ca2b506783b676c95762c54ea24dcfdaae1947c9 (diff) | |
download | bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.gz bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.bz2 |
added boot script files to repository
Diffstat (limited to 'u-boot/board/adder')
-rw-r--r-- | u-boot/board/adder/Makefile | 53 | ||||
-rw-r--r-- | u-boot/board/adder/adder.c | 124 | ||||
-rw-r--r-- | u-boot/board/adder/u-boot.lds | 92 |
3 files changed, 269 insertions, 0 deletions
diff --git a/u-boot/board/adder/Makefile b/u-boot/board/adder/Makefile new file mode 100644 index 0000000..70205f1 --- /dev/null +++ b/u-boot/board/adder/Makefile @@ -0,0 +1,53 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 = $(obj)lib$(BOARD).o + +COBJS := $(BOARD).o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/u-boot/board/adder/adder.c b/u-boot/board/adder/adder.c new file mode 100644 index 0000000..87791de --- /dev/null +++ b/u-boot/board/adder/adder.c @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2004-2005 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> +#if defined(CONFIG_OF_LIBFDT) + #include <libfdt.h> +#endif + +/* + * SDRAM is single Samsung K4S643232F-T70 chip (8MB) + * or single Micron MT48LC4M32B2TG-7 chip (16MB). + * 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) */ + 0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, + 0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04, + 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, + + /* Exception (offset 0x3C in UPM RAM) */ + 0xfffffc27, 0xfffffc04, 0xfffffc04, 0xfffffc04 +}; + +phys_size_t initdram (int board_type) +{ + long int msize; + volatile immap_t *immap = (volatile immap_t *)CONFIG_SYS_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) | CONFIG_SYS_MAMR; /* No refresh */ + udelay(200); + + /* Run precharge from location 0x15 */ + memctl->memc_mar = 0x0; + memctl->memc_mcr = 0x80002115; + udelay(200); + + /* Run 8 refresh cycles */ + memctl->memc_mcr = 0x80002830; + udelay(200); + + /* Run MRS pattern from location 0x16 */ + memctl->memc_mar = 0x88; + memctl->memc_mcr = 0x80002116; + udelay(200); + + memctl->memc_mamr |= MAMR_PTAE; /* Enable refresh */ + memctl->memc_or1 = ~(CONFIG_SYS_SDRAM_MAX_SIZE - 1) | OR_CSNT_SAM; + memctl->memc_br1 = CONFIG_SYS_SDRAM_BASE | BR_PS_32 | BR_MS_UPMA | BR_V; + + msize = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_MAX_SIZE); + memctl->memc_or1 |= ~(msize - 1); + + 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; +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); + +} +#endif diff --git a/u-boot/board/adder/u-boot.lds b/u-boot/board/adder/u-boot.lds new file mode 100644 index 0000000..26c9a22 --- /dev/null +++ b/u-boot/board/adder/u-boot.lds @@ -0,0 +1,92 @@ +/* + * (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; + .text : + { + arch/powerpc/cpu/mpc8xx/start.o (.text*) + arch/powerpc/cpu/mpc8xx/traps.o (.text*) + *(.text*) + . = ALIGN(16); + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + KEEP(*(.got)) + _GOT2_TABLE_ = .; + KEEP(*(.got2)) + _FIXUP_TABLE_ = .; + KEEP(*(.fixup)) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data*) + *(.sdata*) + } + _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 (NOLOAD) : + { + *(.bss*) + *(.sbss*) + *(COMMON) + . = ALIGN(4); + } + _end = . ; + PROVIDE (end = .); +} +ENTRY(_start) |