From 3088189a15d219c48fd7e71623ca4daa08b80b59 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sun, 12 Oct 2008 23:28:33 -0400 Subject: Blackfin: blackstamp: new board port Signed-off-by: Mike Frysinger --- board/blackstamp/.gitignore | 1 + board/blackstamp/Makefile | 57 +++++++++++++++++ board/blackstamp/blackstamp.c | 46 ++++++++++++++ board/blackstamp/config.mk | 32 ++++++++++ board/blackstamp/u-boot.lds.S | 143 ++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 279 insertions(+) create mode 100644 board/blackstamp/.gitignore create mode 100644 board/blackstamp/Makefile create mode 100644 board/blackstamp/blackstamp.c create mode 100644 board/blackstamp/config.mk create mode 100644 board/blackstamp/u-boot.lds.S (limited to 'board') diff --git a/board/blackstamp/.gitignore b/board/blackstamp/.gitignore new file mode 100644 index 00000000000..945f3245496 --- /dev/null +++ b/board/blackstamp/.gitignore @@ -0,0 +1 @@ +/u-boot.lds diff --git a/board/blackstamp/Makefile b/board/blackstamp/Makefile new file mode 100644 index 00000000000..1b217288b9f --- /dev/null +++ b/board/blackstamp/Makefile @@ -0,0 +1,57 @@ +# +# U-boot - Makefile +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2000-2006 +# 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 = $(obj)lib$(BOARD).a + +COBJS-y := $(BOARD).o + +SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS-y)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +$(obj)u-boot.lds: u-boot.lds.S + $(CPP) $(CPPFLAGS) -D__ASSEMBLY__ -P $^ > $@ + +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/board/blackstamp/blackstamp.c b/board/blackstamp/blackstamp.c new file mode 100644 index 00000000000..b671899e06c --- /dev/null +++ b/board/blackstamp/blackstamp.c @@ -0,0 +1,46 @@ +/* + * U-boot - blackstamp.c BlackStamp board specific routines + * Most code stolen from boards/bf533-stamp/bf533-stamp.c + * Edited to the BlackStamp by Ben Matthews for UR LLE + * + * Copyright (c) 2005-2009 Analog Devices Inc. + * + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Licensed under the GPL-2 or later. + */ + +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + printf("Board: BlackStamp\n"); + printf("Support: http://blackfin.uclinux.org/gf/project/blackstamp/\n"); + return 0; +} + +phys_size_t initdram(int board_type) +{ + gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE; + return gd->bd->bi_memsize; +} + +#ifdef SHARED_RESOURCES +void swap_to(int device_id) +{ + bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0); + SSYNC(); + if (device_id == ETHERNET) + bfin_write_FIO_FLAG_S(PF0); + else if (device_id == FLASH) + bfin_write_FIO_FLAG_C(PF0); + else + printf("Unknown device to switch\n"); + SSYNC(); +} +#endif diff --git a/board/blackstamp/config.mk b/board/blackstamp/config.mk new file mode 100644 index 00000000000..f4a5a80283e --- /dev/null +++ b/board/blackstamp/config.mk @@ -0,0 +1,32 @@ +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2001 +# 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 +# + +# This is not actually used for Blackfin boards so do not change it +#TEXT_BASE = do-not-use-me + +LDSCRIPT = $(obj)board/$(BOARDDIR)/u-boot.lds + +# Set some default LDR flags based on boot mode. +LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE)) diff --git a/board/blackstamp/u-boot.lds.S b/board/blackstamp/u-boot.lds.S new file mode 100644 index 00000000000..8ddfa81dad0 --- /dev/null +++ b/board/blackstamp/u-boot.lds.S @@ -0,0 +1,143 @@ +/* + * U-boot - u-boot.lds.S + * + * Copyright (c) 2005-2008 Analog Device Inc. + * + * (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 + */ + +#include +#include +#undef ALIGN +#undef ENTRY +#undef bfin + +/* If we don't actually load anything into L1 data, this will avoid + * a syntax error. If we do actually load something into L1 data, + * we'll get a linker memory load error (which is what we'd want). + * This is here in the first place so we can quickly test building + * for different CPU's which may lack non-cache L1 data. + */ +#ifndef L1_DATA_B_SRAM +# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE +# define L1_DATA_B_SRAM_SIZE 0 +#endif + +OUTPUT_ARCH(bfin) + +MEMORY +{ + ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN + l1_code : ORIGIN = L1_INST_SRAM, LENGTH = L1_INST_SRAM_SIZE + l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE +} + +ENTRY(_start) +SECTIONS +{ + .text : + { + cpu/blackfin/start.o (.text .text.*) + +#ifdef ENV_IS_EMBEDDED + /* WARNING - the following is hand-optimized to fit within + * the sector before the environment sector. If it throws + * an error during compilation remove an object here to get + * it linked after the configuration sector. + */ + + cpu/blackfin/traps.o (.text .text.*) + cpu/blackfin/interrupt.o (.text .text.*) + cpu/blackfin/serial.o (.text .text.*) + common/dlmalloc.o (.text .text.*) + lib_generic/crc32.o (.text .text.*) + + . = DEFINED(env_offset) ? env_offset : .; + common/env_embedded.o (.text .text.*) +#endif + + __initcode_start = .; + cpu/blackfin/initcode.o (.text .text.*) + __initcode_end = .; + + *(.text .text.*) + } >ram + + .rodata : + { + . = ALIGN(4); + *(.rodata .rodata.*) + *(.rodata1) + *(.eh_frame) + . = ALIGN(4); + } >ram + + .data : + { + . = ALIGN(256); + *(.data .data.*) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } >ram + + .u_boot_cmd : + { + ___u_boot_cmd_start = .; + *(.u_boot_cmd) + ___u_boot_cmd_end = .; + } >ram + + .text_l1 : + { + . = ALIGN(4); + __stext_l1 = .; + *(.l1.text) + . = ALIGN(4); + __etext_l1 = .; + } >l1_code AT>ram + __stext_l1_lma = LOADADDR(.text_l1); + + .data_l1 : + { + . = ALIGN(4); + __sdata_l1 = .; + *(.l1.data) + *(.l1.bss) + . = ALIGN(4); + __edata_l1 = .; + } >l1_data AT>ram + __sdata_l1_lma = LOADADDR(.data_l1); + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss .bss.*) + *(COMMON) + __bss_end = .; + } >ram +} -- cgit v1.2.3