Commit 290d00e6 authored by mifi's avatar mifi
Browse files

- added example for testing the JTAG speed with a FT2232 device

git-svn-id: svn://svn.berlios.de/openocd/trunk@422 b42882b7-edfa-0310-969c-e2dbd0fdcd60
parent 2ce5ca9f
/****************************************************************************
* Copyright (c) 2006 by Michael Fischer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
****************************************************************************
* History:
*
* 30.03.06 mifi First Version for Insight tutorial
****************************************************************************/
#ifndef __TYPEDEFS_H__
#define __TYPEDEFS_H__
/*
* Some types to use Windows like source
*/
typedef char CHAR; /* 8-bit signed data */
typedef unsigned char BYTE; /* 8-bit unsigned data */
typedef unsigned short WORD; /* 16-bit unsigned data */
typedef long LONG; /* 32-bit signed data */
typedef unsigned long ULONG; /* 32-bit unsigned data */
typedef unsigned long DWORD; /* 32-bit unsigned data */
#endif /* !__TYPEDEFS_H_ */
/*** EOF ***/
#
# !!!! Do NOT edit this makefile with an editor which replace tabs by spaces !!!!
#
##############################################################################################
#
# On command line:
#
# make all = Create project
#
# make clean = Clean project files.
#
# To rebuild project do "make clean" and "make all".
#
##############################################################################################
# Start of default section
#
TRGT = arm-elf-
CC = $(TRGT)gcc
CP = $(TRGT)objcopy
AS = $(TRGT)gcc -x assembler-with-cpp
BIN = $(CP) -O ihex
MCU = arm7tdmi
# List all default C defines here, like -D_DEBUG=1
DDEFS =
# List all default ASM defines here, like -D_DEBUG=1
DADEFS =
# List all default directories to look for include files here
DINCDIR =
# List the default directory to look for the libraries here
DLIBDIR =
# List all default libraries here
DLIBS =
#
# End of default section
##############################################################################################
##############################################################################################
# Start of user section
#
# Define project name here
PROJECT = test
# Define linker script file here
LDSCRIPT= ./prj/str7_ram.ld
# List all user C define here, like -D_DEBUG=1
UDEFS =
# Define ASM defines here
UADEFS =
# List C source files here
SRC = ./src/main.c
# List ASM source files here
ASRC = ./src/crt.s
# List all user directories here
UINCDIR = ./inc
# List the user directory to look for the libraries here
ULIBDIR =
# List all user libraries here
ULIBS =
# Define optimisation level here
OPT = -O0
#
# End of user defines
##############################################################################################
INCDIR = $(patsubst %,-I%,$(DINCDIR) $(UINCDIR))
LIBDIR = $(patsubst %,-L%,$(DLIBDIR) $(ULIBDIR))
DEFS = $(DDEFS) $(UDEFS)
ADEFS = $(DADEFS) $(UADEFS)
OBJS = $(ASRC:.s=.o) $(SRC:.c=.o)
LIBS = $(DLIBS) $(ULIBS)
MCFLAGS = -mcpu=$(MCU)
ASFLAGS = $(MCFLAGS) -g -gdwarf-2 -Wa,-amhls=$(<:.s=.lst) $(ADEFS)
CPFLAGS = $(MCFLAGS) $(OPT) -gdwarf-2 -mthumb-interwork -fomit-frame-pointer -Wall -Wstrict-prototypes -fverbose-asm -Wa,-ahlms=$(<:.c=.lst) $(DEFS)
LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(PROJECT).map,--cref,--no-warn-mismatch $(LIBDIR)
# Generate dependency information
CPFLAGS += -MD -MP -MF .dep/$(@F).d
#
# makefile rules
#
all: $(OBJS) $(PROJECT).elf $(PROJECT).hex
%o : %c
$(CC) -c $(CPFLAGS) -I . $(INCDIR) $< -o $@
%o : %s
$(AS) -c $(ASFLAGS) $< -o $@
%elf: $(OBJS)
$(CC) $(OBJS) $(LDFLAGS) $(LIBS) -o $@
%hex: %elf
$(BIN) $< $@
clean:
-rm -f $(OBJS)
-rm -f $(PROJECT).elf
-rm -f $(PROJECT).map
-rm -f $(PROJECT).hex
-rm -f $(SRC:.c=.c.bak)
-rm -f $(SRC:.c=.lst)
-rm -f $(ASRC:.s=.s.bak)
-rm -f $(ASRC:.s=.lst)
-rm -fR .dep
#
# Include the dependency files, should be the last of the makefile
#
-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
# *** EOF ***
\ No newline at end of file
target remote localhost:3333
monitor reset
monitor sleep 500
monitor poll
monitor soft_reset_halt
monitor arm7_9 sw_bkpts enable
monitor mww 0xA0000050 0x01c2
monitor mdw 0xA0000050
monitor mww 0x6C000004 0x8005
monitor mdw 0x6C000004
monitor mww 0xE0005000 0xFFFF
monitor mww 0xE0005004 0x00FF
monitor mww 0xE0005008 0xFFFF
monitor mdw 0xE0005000
monitor mdw 0xE0005004
monitor mdw 0xE0005008
monitor mww 0xE000500C 0x0000
monitor arm7_9 fast_memory_access enable
monitor arm7_9 dcc_downloads enable
monitor verify_ircapture disable
load
break main
continue
#daemon configuration
telnet_port 4444
gdb_port 3333
# tell gdb our flash memory map
# and enable flash programming
gdb_memory_map enable
gdb_flash_program enable
#interface
interface ft2232
ft2232_device_desc "Amontec JTAGkey A"
ft2232_layout jtagkey
ft2232_vid_pid 0x0403 0xcff8
jtag_speed 0
#use combined on interfaces or targets that can't set TRST/SRST separately
reset_config trst_and_srst srst_pulls_trst
#jtag scan chain
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
jtag_device 4 0x1 0xf 0xe
#target configuration
daemon_startup reset
#target <type> <startup mode>
#target arm7tdmi <reset mode> <chainpos> <endianness> <variant>
target arm7tdmi little run_and_halt 0 arm7tdmi
run_and_halt_time 0 30
working_area 0 0x2000C000 0x4000 nobackup
#flash bank str7x <base> <size> 0 0 <target#> <variant>
flash bank str7x 0x40000000 0x00040000 0 0 0 STR71x
# For more information about the configuration files, take a look at:
# http://openfacts.berlios.de/index-en.phtml?title=Open+On-Chip+Debugger
/****************************************************************************
* Copyright (c) 2006 by Michael Fischer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
****************************************************************************
*
* History:
*
* 30.03.06 mifi First Version
****************************************************************************/
ENTRY(ResetHandler)
SEARCH_DIR(.)
/*
* Define stack size here
*/
FIQ_STACK_SIZE = 0x0100;
IRQ_STACK_SIZE = 0x0100;
ABT_STACK_SIZE = 0x0100;
UND_STACK_SIZE = 0x0100;
SVC_STACK_SIZE = 0x0400;
/*
* This file, hitex_str7_ram.ld, locate the program in the internal
* ram of the STR7. For more information about the memory of the STR7
* take a look in the STR71X Microcontroller Reference Manual.
* Reference is made to Rev. 6 March 2005
*
* Take a look at page 16, section 2.1.1 Memory Map
*/
MEMORY
{
ram : org = 0x62000000, len = 512k
}
/*
* Do not change the next code
*/
SECTIONS
{
.text :
{
*(.vectors);
. = ALIGN(4);
*(.init);
. = ALIGN(4);
*(.text);
. = ALIGN(4);
*(.rodata);
. = ALIGN(4);
*(.rodata*);
. = ALIGN(4);
*(.glue_7t);
. = ALIGN(4);
*(.glue_7);
. = ALIGN(4);
etext = .;
} > ram
.data :
{
PROVIDE (__data_start = .);
*(.data)
. = ALIGN(4);
edata = .;
_edata = .;
PROVIDE (__data_end = .);
} > ram
.bss :
{
PROVIDE (__bss_start = .);
*(.bss)
*(COMMON)
. = ALIGN(4);
PROVIDE (__bss_end = .);
. = ALIGN(256);
PROVIDE (__stack_start = .);
PROVIDE (__stack_fiq_start = .);
. += FIQ_STACK_SIZE;
. = ALIGN(4);
PROVIDE (__stack_fiq_end = .);
PROVIDE (__stack_irq_start = .);
. += IRQ_STACK_SIZE;
. = ALIGN(4);
PROVIDE (__stack_irq_end = .);
PROVIDE (__stack_abt_start = .);
. += ABT_STACK_SIZE;
. = ALIGN(4);
PROVIDE (__stack_abt_end = .);
PROVIDE (__stack_und_start = .);
. += UND_STACK_SIZE;
. = ALIGN(4);
PROVIDE (__stack_und_end = .);
PROVIDE (__stack_svc_start = .);
. += SVC_STACK_SIZE;
. = ALIGN(4);
PROVIDE (__stack_svc_end = .);
PROVIDE (__stack_end = .);
PROVIDE (__heap_start = .);
} > ram
}
/*** EOF ***/
/****************************************************************************
* Copyright (c) 2006 by Michael Fischer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
****************************************************************************
*
* History:
*
* 04.03.06 mifi First Version
* This version based on an example from Ethernut and
* "ARM Cross Development with Eclipse" from James P. Lynch
****************************************************************************/
/*
* Some defines for the program status registers
*/
ARM_MODE_USER = 0x10 /* Normal User Mode */
ARM_MODE_FIQ = 0x11 /* FIQ Fast Interrupts Mode */
ARM_MODE_IRQ = 0x12 /* IRQ Standard Interrupts Mode */
ARM_MODE_SVC = 0x13 /* Supervisor Interrupts Mode */
ARM_MODE_ABORT = 0x17 /* Abort Processing memory Faults Mode */
ARM_MODE_UNDEF = 0x1B /* Undefined Instructions Mode */
ARM_MODE_SYS = 0x1F /* System Running in Priviledged Operating Mode */
ARM_MODE_MASK = 0x1F
I_BIT = 0x80 /* disable IRQ when I bit is set */
F_BIT = 0x40 /* disable IRQ when I bit is set */
/*
* Register Base Address
*/
PRCCU_BASE = 0xA0000000
RCCU_CFR = 0x08
RCCU_PLL1CR = 0x18
PCU_MDIVR = 0x40
PCU_PDIVR = 0x44
PCU_BOOTCR = 0x50
.section .vectors,"ax"
.code 32
/****************************************************************************/
/* Vector table and reset entry */
/****************************************************************************/
_vectors:
ldr pc, ResetAddr /* Reset */
ldr pc, UndefAddr /* Undefined instruction */
ldr pc, SWIAddr /* Software interrupt */
ldr pc, PAbortAddr /* Prefetch abort */
ldr pc, DAbortAddr /* Data abort */
ldr pc, ReservedAddr /* Reserved */
ldr pc, IRQAddr /* IRQ interrupt */
ldr pc, FIQAddr /* FIQ interrupt */
ResetAddr: .word ResetHandler
UndefAddr: .word UndefHandler
SWIAddr: .word SWIHandler
PAbortAddr: .word PAbortHandler
DAbortAddr: .word DAbortHandler
ReservedAddr: .word 0
IRQAddr: .word IRQHandler
FIQAddr: .word FIQHandler
.ltorg
.section .init, "ax"
.code 32
.global ResetHandler
.global ExitFunction
.extern main
/****************************************************************************/
/* Reset handler */
/****************************************************************************/
ResetHandler:
/*
* Wait for the oscillator is stable
*/
nop
nop
nop
nop
nop
nop
nop
nop
/*
* Setup STR71X, for more information about the register
* take a look in the STR71x Microcontroller Reference Manual.
*
* Reference is made to: Rev. 6 March 2005
*
* 1. Map internal RAM to address 0
* In this case, we are running always in the RAM
* this make no sence. But if we are in flash, we
* can copy the interrupt vectors into the ram and
* switch to RAM mode.
*
* 2. Setup the PLL, the eval board HITEX STR7 is equipped
* with an external 16MHz oscillator. We want:
*
* RCLK: 32MHz = (CLK2 * 16) / 4
* MCLK: 32Mhz
* PCLK1: 32MHz
* PCLK2: 32MHz
*
*/
/*
* 1. Map RAM to the boot memory 0x00000000
*/
ldr r0, =PRCCU_BASE
ldr r1, =0x01C2
str r1, [r0, #PCU_BOOTCR]
/*
* 2. Setup PLL start
*/
/* Set the prescaling factor for APB and APB1 group */
ldr r0, =PRCCU_BASE
ldr r1, =0x0000 /* no prescaling PCLKx = RCLK */
str r1, [r0, #PCU_PDIVR]
/* Set the prescaling factor for the Main System Clock MCLK */
ldr r0, =PRCCU_BASE
ldr r1, =0x0000 /* no prescaling MCLK = RCLK
str r1, [r0, #PCU_MDIVR]
/* Configure the PLL1 ( * 16 , / 4 ) */
ldr r0, =PRCCU_BASE
ldr r1, =0x0073
str r1, [r0, #RCCU_PLL1CR]
/* Check if the PLL is locked */
pll_lock_loop:
ldr r1, [r0, #RCCU_CFR]
tst r1, #0x0002
beq pll_lock_loop
/* Select PLL1_Output as RCLK clock */
ldr r0, =PRCCU_BASE
ldr r1, =0x8009
str r1, [r0, #RCCU_CFR]
/*
* Setup PLL end
*/
/*
* Setup a stack for each mode
*/
msr CPSR_c, #ARM_MODE_UNDEF | I_BIT | F_BIT /* Undefined Instruction Mode */
ldr sp, =__stack_und_end
msr CPSR_c, #ARM_MODE_ABORT | I_BIT | F_BIT /* Abort Mode */
ldr sp, =__stack_abt_end
msr CPSR_c, #ARM_MODE_FIQ | I_BIT | F_BIT /* FIQ Mode */
ldr sp, =__stack_fiq_end
msr CPSR_c, #ARM_MODE_IRQ | I_BIT | F_BIT /* IRQ Mode */
ldr sp, =__stack_irq_end
msr CPSR_c, #ARM_MODE_SVC | I_BIT | F_BIT /* Supervisor Mode */
ldr sp, =__stack_svc_end
/*
* Clear .bss section
*/
ldr r1, =__bss_start
ldr r2, =__bss_end
ldr r3, =0
bss_clear_loop:
cmp r1, r2
strne r3, [r1], #+4
bne bss_clear_loop