From 186fc4db263fc6332d6712be99a9a387087d29c7 Mon Sep 17 00:00:00 2001 From: Alison Wang Date: Thu, 18 Oct 2012 19:25:52 +0000 Subject: ColdFire: Add Freescale MCF54418TWR ColdFire development board support Add Freescale MCF54418TWR ColdFire development board support. Signed-off-by: TsiChung Liew Signed-off-by: Jason Jin Signed-off-by: Alison Wang --- board/freescale/m54418twr/Makefile | 43 ++++++++++++ board/freescale/m54418twr/config.mk | 25 +++++++ board/freescale/m54418twr/m54418twr.c | 129 ++++++++++++++++++++++++++++++++++ board/freescale/m54418twr/u-boot.lds | 97 +++++++++++++++++++++++++ 4 files changed, 294 insertions(+) create mode 100644 board/freescale/m54418twr/Makefile create mode 100644 board/freescale/m54418twr/config.mk create mode 100644 board/freescale/m54418twr/m54418twr.c create mode 100644 board/freescale/m54418twr/u-boot.lds (limited to 'board') diff --git a/board/freescale/m54418twr/Makefile b/board/freescale/m54418twr/Makefile new file mode 100644 index 000000000..1e53f48f5 --- /dev/null +++ b/board/freescale/m54418twr/Makefile @@ -0,0 +1,43 @@ +# Copyright 2010-2012 Freescale Semiconductor, Inc. +# TsiChung Liew (Tsi-Chung.Liew@freescale.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)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/m54418twr/config.mk b/board/freescale/m54418twr/config.mk new file mode 100644 index 000000000..a59233586 --- /dev/null +++ b/board/freescale/m54418twr/config.mk @@ -0,0 +1,25 @@ +# Copyright 2010-2012 Freescale Semiconductor, Inc. +# TsiChung Liew (Tsi-Chung.Liew@freescale.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 +# + +sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(CONFIG_SYS_TEXT_BASE) diff --git a/board/freescale/m54418twr/m54418twr.c b/board/freescale/m54418twr/m54418twr.c new file mode 100644 index 000000000..6e57bef89 --- /dev/null +++ b/board/freescale/m54418twr/m54418twr.c @@ -0,0 +1,129 @@ +/* + * Copyright 2010-2012 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.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 +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + /* + * need to to: + * Check serial flash size. if 2mb evb, else 8mb demo + */ + puts("Board: "); + puts("Freescale MCF54418 Tower System\n"); + return 0; +}; + +phys_size_t initdram(int board_type) +{ + u32 dramsize; + +#if defined(CONFIG_SERIAL_BOOT) + /* + * Serial Boot: The dram is already initialized in start.S + * only require to return DRAM size + */ + dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; +#else + sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM); + ccm_t *ccm = (ccm_t *)MMAP_CCM; + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + pm_t *pm = (pm_t *) MMAP_PM; + u32 i; + + dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; + + for (i = 0x13; i < 0x20; i++) { + if (dramsize == (1 << i)) + break; + } + + out_8(&pm->pmcr0, 0x2E); + out_8(&gpio->mscr_sdram, 1); + + clrbits_be16(&ccm->misccr2, CCM_MISCCR2_FBHALF); + setbits_be16(&ccm->misccr2, CCM_MISCCR2_DDR2CLK); + + out_be32(&sdram->rcrcr, 0x40000000); + out_be32(&sdram->padcr, 0x01030203); + + out_be32(&sdram->cr00, 0x01010101); + out_be32(&sdram->cr01, 0x00000101); + out_be32(&sdram->cr02, 0x01010100); + out_be32(&sdram->cr03, 0x01010000); + out_be32(&sdram->cr04, 0x00010101); + out_be32(&sdram->cr06, 0x00010100); + out_be32(&sdram->cr07, 0x00000001); + out_be32(&sdram->cr08, 0x01000001); + out_be32(&sdram->cr09, 0x00000100); + out_be32(&sdram->cr10, 0x00010001); + out_be32(&sdram->cr11, 0x00000200); + out_be32(&sdram->cr12, 0x01000002); + out_be32(&sdram->cr13, 0x00000000); + out_be32(&sdram->cr14, 0x00000100); + out_be32(&sdram->cr15, 0x02000100); + out_be32(&sdram->cr16, 0x02000407); + out_be32(&sdram->cr17, 0x02030007); + out_be32(&sdram->cr18, 0x02000100); + out_be32(&sdram->cr19, 0x0A030203); + out_be32(&sdram->cr20, 0x00020708); + out_be32(&sdram->cr21, 0x00050008); + out_be32(&sdram->cr22, 0x04030002); + out_be32(&sdram->cr23, 0x00000004); + out_be32(&sdram->cr24, 0x020A0000); + out_be32(&sdram->cr25, 0x0C00000E); + out_be32(&sdram->cr26, 0x00002004); + out_be32(&sdram->cr28, 0x00100010); + out_be32(&sdram->cr29, 0x00100010); + out_be32(&sdram->cr31, 0x07990000); + out_be32(&sdram->cr40, 0x00000000); + out_be32(&sdram->cr41, 0x00C80064); + out_be32(&sdram->cr42, 0x44520002); + out_be32(&sdram->cr43, 0x00C80023); + out_be32(&sdram->cr45, 0x0000C350); + out_be32(&sdram->cr56, 0x04000000); + out_be32(&sdram->cr57, 0x03000304); + out_be32(&sdram->cr58, 0x40040000); + out_be32(&sdram->cr59, 0xC0004004); + out_be32(&sdram->cr60, 0x0642C000); + out_be32(&sdram->cr61, 0x00000642); + asm("tpf"); + + out_be32(&sdram->cr09, 0x01000100); + + udelay(100); +#endif + return dramsize; +}; + +int testdram(void) +{ + return 0; +} diff --git a/board/freescale/m54418twr/u-boot.lds b/board/freescale/m54418twr/u-boot.lds new file mode 100644 index 000000000..f34144934 --- /dev/null +++ b/board/freescale/m54418twr/u-boot.lds @@ -0,0 +1,97 @@ +/* + * (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(m68k) + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + .text : + { + arch/m68k/cpu/mcf5445x/start.o (.text*) + + *(.text*) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + + .reloc : + { + __got_start = .; + KEEP(*(.got)) + __got_end = .; + _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(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + _sbss = .; + *(.bss*) + *(.sbss*) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + __bss_end__ = . ; + PROVIDE (end = .); +} -- cgit v1.2.3