From 831d41e75064130f596896974869ce5595406dec Mon Sep 17 00:00:00 2001 From: oharboe Date: Wed, 23 Apr 2008 16:36:02 +0000 Subject: [PATCH] Pavel Chromy's on chip flash loader git-svn-id: svn://svn.berlios.de/openocd/trunk@612 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/flash/Makefile.am | 2 +- src/flash/flash.c | 2 + src/flash/ocl.c | 402 ++++++++++++++++++ src/flash/ocl.h | 40 ++ .../ocl/at91sam7x/at91sam7x_ocl_flash.script | 4 + src/flash/ocl/at91sam7x/at91sam7x_ram.ld | 132 ++++++ src/flash/ocl/at91sam7x/crt.s | 225 ++++++++++ src/flash/ocl/at91sam7x/dcc.c | 51 +++ src/flash/ocl/at91sam7x/dcc.h | 31 ++ src/flash/ocl/at91sam7x/main.c | 107 +++++ src/flash/ocl/at91sam7x/makefile | 130 ++++++ src/flash/ocl/at91sam7x/ocl.h | 40 ++ src/flash/ocl/at91sam7x/platform.h | 46 ++ src/flash/ocl/at91sam7x/samflash.c | 196 +++++++++ src/flash/ocl/at91sam7x/samflash.h | 48 +++ src/flash/ocl/at91sam7x/samregs.h | 83 ++++ src/target/target.h | 1 + 17 files changed, 1539 insertions(+), 1 deletion(-) create mode 100644 src/flash/ocl.c create mode 100644 src/flash/ocl.h create mode 100644 src/flash/ocl/at91sam7x/at91sam7x_ocl_flash.script create mode 100644 src/flash/ocl/at91sam7x/at91sam7x_ram.ld create mode 100644 src/flash/ocl/at91sam7x/crt.s create mode 100644 src/flash/ocl/at91sam7x/dcc.c create mode 100644 src/flash/ocl/at91sam7x/dcc.h create mode 100644 src/flash/ocl/at91sam7x/main.c create mode 100644 src/flash/ocl/at91sam7x/makefile create mode 100644 src/flash/ocl/at91sam7x/ocl.h create mode 100644 src/flash/ocl/at91sam7x/platform.h create mode 100644 src/flash/ocl/at91sam7x/samflash.c create mode 100644 src/flash/ocl/at91sam7x/samflash.h create mode 100644 src/flash/ocl/at91sam7x/samregs.h diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am index 0dd1e6a3..418a15c9 100644 --- a/src/flash/Makefile.am +++ b/src/flash/Makefile.am @@ -4,6 +4,6 @@ METASOURCES = AUTO noinst_LIBRARIES = libflash.a libflash_a_SOURCES = flash.c lpc2000.c cfi.c non_cfi.c at91sam7.c str7x.c str9x.c nand.c lpc3180_nand_controller.c \ stellaris.c str9xpec.c stm32x.c tms470.c ecos.c \ - s3c24xx_nand.c s3c2410_nand.c s3c2412_nand.c s3c2440_nand.c s3c2443_nand.c lpc288x.c + s3c24xx_nand.c s3c2410_nand.c s3c2412_nand.c s3c2440_nand.c s3c2443_nand.c lpc288x.c ocl.c noinst_HEADERS = flash.h lpc2000.h cfi.h non_cfi.h at91sam7.h str7x.h str9x.h nand.h lpc3180_nand_controller.h \ stellaris.h str9xpec.h stm32x.h tms470.h s3c24xx_nand.h s3c24xx_regs_nand.h lpc288x.h diff --git a/src/flash/flash.c b/src/flash/flash.c index fda2c91a..b9e5a9dc 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -70,6 +70,7 @@ extern flash_driver_t stm32x_flash; extern flash_driver_t tms470_flash; extern flash_driver_t ecosflash_flash; extern flash_driver_t lpc288x_flash; +extern flash_driver_t ocl_flash; flash_driver_t *flash_drivers[] = { @@ -84,6 +85,7 @@ flash_driver_t *flash_drivers[] = &tms470_flash, &ecosflash_flash, &lpc288x_flash, + &ocl_flash, NULL, }; diff --git a/src/flash/ocl.c b/src/flash/ocl.c new file mode 100644 index 00000000..befa4e10 --- /dev/null +++ b/src/flash/ocl.c @@ -0,0 +1,402 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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. * + ***************************************************************************/ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "replacements.h" + +#include "ocl.h" + +#include "flash.h" +#include "target.h" +#include "log.h" +#include "binarybuffer.h" +#include "types.h" +#include "embeddedice.h" +#include "arm7_9_common.h" + +#include +#include +#include + +int ocl_register_commands(struct command_context_s *cmd_ctx); +int ocl_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank); +int ocl_erase(struct flash_bank_s *bank, int first, int last); +int ocl_protect(struct flash_bank_s *bank, int set, int first, int last); +int ocl_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count); +int ocl_probe(struct flash_bank_s *bank); +int ocl_erase_check(struct flash_bank_s *bank); +int ocl_protect_check(struct flash_bank_s *bank); +int ocl_info(struct flash_bank_s *bank, char *buf, int buf_size); +int ocl_auto_probe(struct flash_bank_s *bank); + +flash_driver_t ocl_flash = +{ + .name = "ocl", + .register_commands = ocl_register_commands, + .flash_bank_command = ocl_flash_bank_command, + .erase = ocl_erase, + .protect = ocl_protect, + .write = ocl_write, + .probe = ocl_probe, + .erase_check = ocl_erase_check, + .protect_check = ocl_protect_check, + .info = ocl_info, + .auto_probe = ocl_auto_probe +}; + + +typedef struct ocl_priv_s +{ + arm_jtag_t *jtag_info; + int buflen; + int bufalign; +} ocl_priv_t; + + +int ocl_register_commands(struct command_context_s *cmd_ctx) +{ + return ERROR_OK; +} + + +int ocl_erase_check(struct flash_bank_s *bank) +{ + return ERROR_OK; +} + + +int ocl_protect_check(struct flash_bank_s *bank) +{ + return ERROR_OK; +} + + +/* flash_bank ocl 0 0 0 0 */ +int ocl_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank) +{ + int retval; + armv4_5_common_t *armv4_5; + arm7_9_common_t *arm7_9; + ocl_priv_t *ocl; + + if (argc < 6) + { + LOG_WARNING("incomplete flash_bank ocl configuration"); + return ERROR_FLASH_BANK_INVALID; + } + + if ((retval = arm7_9_get_arch_pointers(bank->target, &armv4_5, &arm7_9)) != ERROR_OK) + return retval; + + ocl = bank->driver_priv = malloc(sizeof(ocl_priv_t)); + ocl->jtag_info = &arm7_9->jtag_info; + ocl->buflen = 0; + ocl->bufalign = 1; + + return ERROR_OK; +} + + +int ocl_erase(struct flash_bank_s *bank, int first, int last) +{ + ocl_priv_t *ocl = bank->driver_priv; + int retval; + u32 dcc_buffer[3]; + + /* check preconditions */ + if (bank->num_sectors == 0) + return ERROR_FLASH_BANK_NOT_PROBED; + + if (bank->target->state != TARGET_RUNNING) + { + LOG_ERROR("target has to be running to communicate with the loader"); + return ERROR_TARGET_NOT_RUNNING; + } + + if ((first == 0) && (last == bank->num_sectors - 1)) + { + dcc_buffer[0] = OCL_ERASE_ALL; + if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK)) + return retval; + } + else + { + dcc_buffer[0] = OCL_ERASE_BLOCK; + dcc_buffer[1] = first; + dcc_buffer[2] = last; + if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 3) != ERROR_OK)) + return retval; + } + + /* wait for response, fixed timeout of 1 s */ + if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK)) + { + if (retval == ERROR_TARGET_TIMEOUT) + LOG_ERROR("loader not responding"); + return retval; + } + + /* receive response */ + if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer+1, 1) != ERROR_OK)) + return retval; + + if (dcc_buffer[1] != OCL_CMD_DONE) + { + if (dcc_buffer[0] == OCL_ERASE_ALL) + LOG_ERROR("loader response to OCL_ERASE_ALL 0x%08lX", dcc_buffer[1]); + else + LOG_ERROR("loader response to OCL_ERASE_BLOCK 0x%08lX", dcc_buffer[1]); + return ERROR_FLASH_OPERATION_FAILED; + } + + return ERROR_OK; +} + + +int ocl_protect(struct flash_bank_s *bank, int set, int first, int last) +{ + return ERROR_OK; +} + + +int ocl_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) +{ + ocl_priv_t *ocl = bank->driver_priv; + int retval; + u32 *dcc_buffer; + u32 *dcc_bufptr; + int byteofs; + int runlen; + u32 chksum; + + int i; + + /* check preconditions */ + if (ocl->buflen == 0 || ocl->bufalign==0) + return ERROR_FLASH_BANK_NOT_PROBED; + + if (bank->target->state != TARGET_RUNNING) + { + LOG_ERROR("target has to be running to communicate with the loader"); + return ERROR_TARGET_NOT_RUNNING; + } + + /* allocate buffer for max. ocl buffer + overhead */ + dcc_buffer = malloc(sizeof(u32)*(ocl->buflen/4+3)); + + while (count) + { + if (count + (offset % ocl->bufalign) > ocl->buflen) + runlen = ocl->buflen - (offset % ocl->bufalign); + else + runlen = count; + + dcc_buffer[0] = OCL_FLASH_BLOCK | runlen; + dcc_buffer[1] = offset; + dcc_bufptr = &dcc_buffer[2]; + + *dcc_bufptr = 0xffffffff; + byteofs = (offset % ocl->bufalign) % 4; + chksum = OCL_CHKS_INIT; + + /* copy data to DCC buffer in proper byte order and properly aligned */ + for (i=0; ijtag_info, dcc_buffer, dcc_bufptr-dcc_buffer)) != ERROR_OK) + { + free(dcc_buffer); + return retval; + } + + /* wait for response, fixed timeout of 1 s */ + if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK)) + { + if (retval == ERROR_TARGET_TIMEOUT) + LOG_ERROR("loader not responding"); + free(dcc_buffer); + return retval; + } + + /* receive response */ + if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK)) + { + free(dcc_buffer); + return retval; + } + + if (dcc_buffer[0] != OCL_CMD_DONE) + { + LOG_ERROR("loader response to OCL_FLASH_BLOCK 0x%08lX", dcc_buffer[0]); + free(dcc_buffer); + return ERROR_FLASH_OPERATION_FAILED; + } + + count -= runlen; + offset += runlen; + } + + free(dcc_buffer); + return ERROR_OK; +} + + +int ocl_probe(struct flash_bank_s *bank) +{ + ocl_priv_t *ocl = bank->driver_priv; + int retval; + u32 dcc_buffer[1]; + int sectsize; + int i; + + /* purge pending data in DCC */ + embeddedice_receive(ocl->jtag_info, dcc_buffer, 1); + + dcc_buffer[0] = OCL_PROBE; + if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK)) + return retval; + + /* wait for response, fixed timeout of 1 s */ + if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK)) + { + if (retval == ERROR_TARGET_TIMEOUT) + LOG_ERROR("loader not responding"); + return retval; + } + + /* receive response */ + if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK)) + return retval; + + if (dcc_buffer[0] != OCL_CMD_DONE) + { + LOG_ERROR("loader response to OCL_PROBE 0x%08lX", dcc_buffer[0]); + return ERROR_FLASH_OPERATION_FAILED; + } + + /* receive and fill in parameters, detection of loader is important, receive it one by one */ + if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK) + || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK)) + return retval; + bank->base = dcc_buffer[0]; + + if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK) + || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK)) + return retval; + bank->size = dcc_buffer[0]; + + if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK) + || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK)) + return retval; + bank->num_sectors = dcc_buffer[0]; + + if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK) + || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK)) + return retval; + ocl->buflen = dcc_buffer[0] & 0xffff; + ocl->bufalign = dcc_buffer[0] >> 16; + + bank->sectors = realloc(bank->sectors, sizeof(flash_sector_t)*bank->num_sectors); + if (bank->num_sectors == 0) + { + LOG_ERROR("number of sectors shall be non zero value"); + return ERROR_FLASH_BANK_INVALID; + } + if (bank->size % bank->num_sectors) { + LOG_ERROR("bank size not divisible by number of sectors"); + return ERROR_FLASH_BANK_INVALID; + } + sectsize = bank->size / bank->num_sectors; + for (i=0; inum_sectors; i++) + { + bank->sectors[i].offset = i * sectsize; + bank->sectors[i].size = sectsize; + bank->sectors[i].is_erased = -1; + bank->sectors[i].is_protected = -1; + } + + if (ocl->bufalign == 0) + ocl->bufalign = 1; + + if (ocl->buflen == 0) + { + LOG_ERROR("buflen shall be non zero value"); + return ERROR_FLASH_BANK_INVALID; + } + + if ((ocl->bufalign > ocl->buflen) || (ocl->buflen % ocl->bufalign)) + { + LOG_ERROR("buflen is not multiple of bufalign"); + return ERROR_FLASH_BANK_INVALID; + } + + if (ocl->buflen % 4) + { + LOG_ERROR("buflen shall be divisible by 4"); + return ERROR_FLASH_BANK_INVALID; + } + + return ERROR_OK; +} + + +int ocl_info(struct flash_bank_s *bank, char *buf, int buf_size) +{ + return ERROR_OK; +} + + +int ocl_auto_probe(struct flash_bank_s *bank) +{ + ocl_priv_t *ocl = bank->driver_priv; + + if (ocl->buflen == 0 || ocl->bufalign==0) + return ERROR_FLASH_BANK_NOT_PROBED; + + return ERROR_OK; +} diff --git a/src/flash/ocl.h b/src/flash/ocl.h new file mode 100644 index 00000000..8c677b0e --- /dev/null +++ b/src/flash/ocl.h @@ -0,0 +1,40 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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. * + ***************************************************************************/ +#ifndef OCL_H +#define OCL_H + +/* command/response mask */ +#define OCL_CMD_MASK 0xFFFF0000L + +/* commads */ +#define OCL_FLASH_BLOCK 0x0CFB0000L +#define OCL_ERASE_BLOCK 0x0CEB0000L +#define OCL_ERASE_ALL 0x0CEA0000L +#define OCL_PROBE 0x0CBE0000L + +/* responses */ +#define OCL_CMD_DONE 0x0ACD0000L +#define OCL_CMD_ERR 0x0ACE0000L +#define OCL_CHKS_FAIL 0x0ACF0000L +#define OCL_BUFF_OVER 0x0AB00000L + +#define OCL_CHKS_INIT 0xC100CD0CL + +#endif /* OCL_H */ diff --git a/src/flash/ocl/at91sam7x/at91sam7x_ocl_flash.script b/src/flash/ocl/at91sam7x/at91sam7x_ocl_flash.script new file mode 100644 index 00000000..dbc40a0c --- /dev/null +++ b/src/flash/ocl/at91sam7x/at91sam7x_ocl_flash.script @@ -0,0 +1,4 @@ +soft_reset_halt +load_image at91sam7x_ocl.bin 0x200000 +resume 0x200000 +flash probe 0 diff --git a/src/flash/ocl/at91sam7x/at91sam7x_ram.ld b/src/flash/ocl/at91sam7x/at91sam7x_ram.ld new file mode 100644 index 00000000..106d2180 --- /dev/null +++ b/src/flash/ocl/at91sam7x/at91sam7x_ram.ld @@ -0,0 +1,132 @@ +/**************************************************************************** +* 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 = 0x0100; + + +MEMORY +{ + ram : org = 0x00200000, len = 64k +} + +/* + * 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 ***/ + diff --git a/src/flash/ocl/at91sam7x/crt.s b/src/flash/ocl/at91sam7x/crt.s new file mode 100644 index 00000000..9ea8a7fc --- /dev/null +++ b/src/flash/ocl/at91sam7x/crt.s @@ -0,0 +1,225 @@ +/**************************************************************************** +* 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: +* +* 18.12.06 mifi First Version +* The hardware initialization is based on the startup file +* crtat91sam7x256_rom.S from NutOS 4.2.1. +* Therefore partial copyright by egnite Software GmbH. +****************************************************************************/ + +/* + * 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 + */ + AIC_BASE = 0xFFFFF000 + AIC_EOICR_OFF = 0x130 + AIC_IDCR_OFF = 0x124 + + RSTC_MR = 0xFFFFFD08 + RSTC_KEY = 0xA5000000 + RSTC_URSTEN = 0x00000001 + + WDT_BASE = 0xFFFFFD40 + WDT_MR_OFF = 0x00000004 + WDT_WDDIS = 0x00008000 + + MC_BASE = 0xFFFFFF00 + MC_FMR_OFF = 0x00000060 + MC_FWS_1FWS = 0x00480100 + + .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: + /* + * The watchdog is enabled after processor reset. Disable it. + */ + ldr r1, =WDT_BASE + ldr r0, =WDT_WDDIS + str r0, [r1, #WDT_MR_OFF] + + + /* + * Enable user reset: assertion length programmed to 1ms + */ + ldr r0, =(RSTC_KEY | RSTC_URSTEN | (4 << 8)) + ldr r1, =RSTC_MR + str r0, [r1, #0] + + + /* + * Use 2 cycles for flash access. + */ + ldr r1, =MC_BASE + ldr r0, =MC_FWS_1FWS + str r0, [r1, #MC_FMR_OFF] + + + /* + * Disable all interrupts. Useful for debugging w/o target reset. + */ + ldr r1, =AIC_BASE + mvn r0, #0 + str r0, [r1, #AIC_EOICR_OFF] + str r0, [r1, #AIC_IDCR_OFF] + + + /* + * 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 + + + /* + * Jump to main + */ + mrs r0, cpsr + bic r0, r0, #I_BIT | F_BIT /* Enable FIQ and IRQ interrupt */ + msr cpsr, r0 + + mov r0, #0 /* No arguments */ + mov r1, #0 /* No arguments */ + ldr r2, =main + mov lr, pc + bx r2 /* And jump... */ + +ExitFunction: + nop + nop + nop + b ExitFunction + + +/****************************************************************************/ +/* Default interrupt handler */ +/****************************************************************************/ + +UndefHandler: + b UndefHandler + +SWIHandler: + b SWIHandler + +PAbortHandler: + b PAbortHandler + +DAbortHandler: + b DAbortHandler + +IRQHandler: + b IRQHandler + +FIQHandler: + b FIQHandler + + .weak ExitFunction + .weak UndefHandler, PAbortHandler, DAbortHandler + .weak IRQHandler, FIQHandler + + .ltorg +/*** EOF ***/ + + Index: src/flash/ocl/at91sam7x/dcc.c diff --git a/src/flash/ocl/at91sam7x/dcc.c b/src/flash/ocl/at91sam7x/dcc.c new file mode 100644 index 00000000..2c352369 --- /dev/null +++ b/src/flash/ocl/at91sam7x/dcc.c @@ -0,0 +1,51 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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 "dcc.h" + + +/* debug channel read (debugger->MCU) */ +uint32 dcc_rd(void) +{ + volatile uint32 dcc_reg; + + do { + asm volatile ("mrc p14, 0, %0, C0, C0" : "=r" (dcc_reg) : ); + } while ((dcc_reg&1)==0); + + asm volatile ("mrc p14, 0, %0, C1, C0" : "=r" (dcc_reg) : ); + return dcc_reg; +} + + +/* debug channel write (MCU->debugger) */ +int dcc_wr(uint32 data) +{ + volatile uint32 dcc_reg; + + do { + asm volatile ("mrc p14, 0, %0, C0, C0" : "=r" (dcc_reg) : ); + /* operation controled by master, cancel operation + upon reception of data for immediate response */ + if (dcc_reg&1) return -1; + } while (dcc_reg&2); + + asm volatile ("mcr p14, 0, %0, C1, C0" : : "r" (data)); + return 0; +} diff --git a/src/flash/ocl/at91sam7x/dcc.h b/src/flash/ocl/at91sam7x/dcc.h new file mode 100644 index 00000000..963df261 --- /dev/null +++ b/src/flash/ocl/at91sam7x/dcc.h @@ -0,0 +1,31 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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. * + ***************************************************************************/ +#ifndef dccH +#define dccH + +#include "platform.h" + +/* debug channel read (debugger->MCU) */ +extern uint32 dcc_rd(void); + +/* debug channel write (MCU->debugger) */ +extern int dcc_wr(uint32 data); + +#endif diff --git a/src/flash/ocl/at91sam7x/main.c b/src/flash/ocl/at91sam7x/main.c new file mode 100644 index 00000000..c9e93ddb --- /dev/null +++ b/src/flash/ocl/at91sam7x/main.c @@ -0,0 +1,107 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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 "platform.h" + +#include "ocl.h" +#include "dcc.h" +#include "samflash.h" + + +#define BUFSIZE 1024 /* words, i.e. 4 KiB */ +uint32 buffer[1024]; + +void cmd_flash(uint32 cmd) +{ + unsigned int len; + uint32 adr; + uint32 chksum; + unsigned int bi; /* buffer index */ + unsigned int bi_start; /* receive start mark */ + unsigned int bi_end; /* receive end mark */ + unsigned int ofs; + int pagenum; + int result; + + adr=dcc_rd(); + len=cmd&0xffff; + ofs=adr%flash_page_size; + bi_start=ofs/4; + bi_end=(ofs+len+3)/4; + + if (bi_end>BUFSIZE) { + dcc_wr(OCL_BUFF_OVER); + return; + } + + chksum=OCL_CHKS_INIT; + for (bi=0; bi $@ + +clean: + -rm -f $(OBJS) + -rm -f $(PROJECT).elf + -rm -f $(PROJECT).map + -rm -f $(PROJECT).hex + -rm -f $(PROJECT).bin + -rm -f $(PROJECT).lst + -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 diff --git a/src/flash/ocl/at91sam7x/ocl.h b/src/flash/ocl/at91sam7x/ocl.h new file mode 100644 index 00000000..8c677b0e --- /dev/null +++ b/src/flash/ocl/at91sam7x/ocl.h @@ -0,0 +1,40 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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. * + ***************************************************************************/ +#ifndef OCL_H +#define OCL_H + +/* command/response mask */ +#define OCL_CMD_MASK 0xFFFF0000L + +/* commads */ +#define OCL_FLASH_BLOCK 0x0CFB0000L +#define OCL_ERASE_BLOCK 0x0CEB0000L +#define OCL_ERASE_ALL 0x0CEA0000L +#define OCL_PROBE 0x0CBE0000L + +/* responses */ +#define OCL_CMD_DONE 0x0ACD0000L +#define OCL_CMD_ERR 0x0ACE0000L +#define OCL_CHKS_FAIL 0x0ACF0000L +#define OCL_BUFF_OVER 0x0AB00000L + +#define OCL_CHKS_INIT 0xC100CD0CL + +#endif /* OCL_H */ diff --git a/src/flash/ocl/at91sam7x/platform.h b/src/flash/ocl/at91sam7x/platform.h new file mode 100644 index 00000000..c73544af --- /dev/null +++ b/src/flash/ocl/at91sam7x/platform.h @@ -0,0 +1,46 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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. * + ***************************************************************************/ +#ifndef platformH +#define platformH + +#include "samregs.h" + + +#define outb(_reg, _val) (*((volatile unsigned char *)(_reg)) = (_val)) +#define outw(_reg, _val) (*((volatile unsigned short *)(_reg)) = (_val)) +#define outr(_reg, _val) (*((volatile unsigned int *)(_reg)) = (_val)) + +#define inb(_reg) (*((volatile unsigned char *)(_reg))) +#define inw(_reg) (*((volatile unsigned short *)(_reg))) +#define inr(_reg) (*((volatile unsigned int *)(_reg))) + +#define _BV(bit) (1 << (bit)) + + +typedef signed char int8; +typedef unsigned char uint8; + +typedef signed short int16; +typedef unsigned short uint16; + +typedef signed int int32; +typedef unsigned int uint32; + +#endif diff --git a/src/flash/ocl/at91sam7x/samflash.c b/src/flash/ocl/at91sam7x/samflash.c new file mode 100644 index 00000000..253e410c --- /dev/null +++ b/src/flash/ocl/at91sam7x/samflash.c @@ -0,0 +1,196 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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 "samflash.h" + + +unsigned int flash_page_count=1024; +unsigned int flash_page_size=256; + +/* pages per lock bit */ +unsigned int flash_lock_pages=1024/16; + + +/* detect chip and set loader parameters */ +int flash_init(void) +{ + unsigned int nvpsiz; + + nvpsiz=(inr(DBGU_CIDR)>>8)&0xf; + + switch (nvpsiz) { + case 3: + /* AT91SAM7x32 */ + flash_page_count=256; + flash_page_size=128; + flash_lock_pages=256/8; + break; + case 5: + /* AT91SAM7x64 */ + flash_page_count=512; + flash_page_size=128; + flash_lock_pages=512/16; + break; + case 7: + /* AT91SAM7x128*/ + flash_page_count=512; + flash_page_size=256; + flash_lock_pages=512/8; + break; + case 9: + /* AT91SAM7x256 */ + flash_page_count=1024; + flash_page_size=256; + flash_lock_pages=1024/16; + break; + case 10: + /* AT91SAM7x512 */ + flash_page_count=2048; + flash_page_size=256; + flash_lock_pages=2048/32; + break; + default: + return FLASH_STAT_INITE; + } + return FLASH_STAT_OK; +} + + +/* program single flash page */ +int flash_page_program(uint32 *data, int page_num) +{ + int i; + int efc_ofs; + + uint32 *flash_ptr; + uint32 *data_ptr; + + /* select proper controller */ + if (page_num>=1024) efc_ofs=0x10; + else efc_ofs=0; + + /* wait until FLASH is ready, just for sure */ + while ((inr(MC_FSR+efc_ofs)&MC_FRDY)==0); + + /* calculate page address, only lower 8 bits are used to address the latch, + but the upper part of address is needed for writing to proper EFC */ + flash_ptr=(uint32 *)(FLASH_AREA_ADDR+(page_num*flash_page_size)); + data_ptr=data; + + /* copy data to latch */ + for (i=flash_page_size/4; i; i--) { + /* we do not use memcpy to be sure that only 32 bit access is used */ + *(flash_ptr++)=*(data_ptr++); + } + + /* page number and page write command to FCR */ + outr(MC_FCR+efc_ofs, ((page_num&0x3ff)<<8) | MC_KEY | MC_FCMD_WP); + + /* wait until it's done */ + while ((inr(MC_FSR+efc_ofs)&MC_FRDY)==0); + + /* check for errors */ + if ((inr(MC_FSR+efc_ofs)&MC_PROGE)) return FLASH_STAT_PROGE; + if ((inr(MC_FSR+efc_ofs)&MC_LOCKE)) return FLASH_STAT_LOCKE; + +#if 0 + /* verify written data */ + flash_ptr=(uint32 *)(FLASH_AREA_ADDR+(page_num*flash_page_size)); + data_ptr=data; + + for (i=flash_page_size/4; i; i--) { + if (*(flash_ptr++)!=*(data_ptr++)) return FLASH_STAT_VERIFE; + } +#endif + + return FLASH_STAT_OK; +} + + +int flash_erase_plane(int efc_ofs) +{ + unsigned int lockbits; + int page_num; + + page_num=0; + lockbits=inr(MC_FSR+efc_ofs)>>16; + while (lockbits) { + if (lockbits&1) { + + /* wait until FLASH is ready, just for sure */ + while ((inr(MC_FSR+efc_ofs)&MC_FRDY)==0); + + outr(MC_FCR+efc_ofs, ((page_num&0x3ff)<<8) | 0x5a000004); + + /* wait until it's done */ + while ((inr(MC_FSR+efc_ofs)&MC_FRDY)==0); + + /* check for errors */ + if ((inr(MC_FSR+efc_ofs)&MC_PROGE)) return FLASH_STAT_PROGE; + if ((inr(MC_FSR+efc_ofs)&MC_LOCKE)) return FLASH_STAT_LOCKE; + + } + if ((page_num+=flash_lock_pages)>flash_page_count) break; + lockbits>>=1; + } + + /* wait until FLASH is ready, just for sure */ + while ((inr(MC_FSR+efc_ofs)&MC_FRDY)==0); + + /* erase all command to FCR */ + outr(MC_FCR+efc_ofs, 0x5a000008); + + /* wait until it's done */ + while ((inr(MC_FSR+efc_ofs)&MC_FRDY)==0); + + /* check for errors */ + if ((inr(MC_FSR+efc_ofs)&MC_PROGE)) return FLASH_STAT_PROGE; + if ((inr(MC_FSR+efc_ofs)&MC_LOCKE)) return FLASH_STAT_LOCKE; + + /* set no erase before programming */ + outr(MC_FMR+efc_ofs, inr(MC_FMR+efc_ofs)|0x80); + + return FLASH_STAT_OK; +} + + +/* erase whole chip */ +int flash_erase_all(void) +{ + int result; + + if ((result=flash_erase_plane(0))!=FLASH_STAT_OK) return result; + + /* the second flash controller, if any */ + if (flash_page_count>1024) result=flash_erase_plane(0x10); + + return result; +} + + +int flash_verify(uint32 adr, unsigned int len, uint8 *src) +{ + unsigned char *flash_ptr; + + flash_ptr=(uint8 *)FLASH_AREA_ADDR+adr; + for ( ;len; len--) { + if (*(flash_ptr++)!=*(src++)) return FLASH_STAT_VERIFE; + } + return FLASH_STAT_OK; +} diff --git a/src/flash/ocl/at91sam7x/samflash.h b/src/flash/ocl/at91sam7x/samflash.h new file mode 100644 index 00000000..c793b9e8 --- /dev/null +++ b/src/flash/ocl/at91sam7x/samflash.h @@ -0,0 +1,48 @@ +/*************************************************************************** + * Copyright (C) 2007 by Pavel Chromy * + * chromy@asix.cz * + * * + * 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. * + ***************************************************************************/ +#ifndef samflashH +#define samflashH + +#include "platform.h" + +#define FLASH_AREA_ADDR 0x100000 + +#define FLASH_STAT_OK 0 +#define FLASH_STAT_PROGE 1 +#define FLASH_STAT_LOCKE 2 +#define FLASH_STAT_VERIFE 3 +#define FLASH_STAT_INITE 4 + +extern unsigned int flash_page_count; +extern unsigned int flash_page_size; /* words */ + +/* detect chip and set loader parameters */ +extern int flash_init(void); + +/* program single flash page */ +extern int flash_page_program(uint32 *data, int page_num); + +/* erase whole chip */ +extern int flash_erase_all(void); + +/* verify written data */ +extern int flash_verify(uint32 adr, unsigned int len, uint8 *src); + +#endif diff --git a/src/flash/ocl/at91sam7x/samregs.h b/src/flash/ocl/at91sam7x/samregs.h new file mode 100644 index 00000000..7d3654fe --- /dev/null +++ b/src/flash/ocl/at91sam7x/samregs.h @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2005-2006 by egnite Software GmbH. 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 copyright holders nor the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH 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 EGNITE + * SOFTWARE GMBH 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. + * + * For additional information see http://www.ethernut.de/ + */ + + +#ifndef samregsH +#define samregsH + + +/* + * Register definitions below copied from NutOS + */ + +#define DBGU_BASE 0xFFFFF200 /*!< \brief DBGU base address. */ + +#define DBGU_CIDR_OFF 0x00000040 /*!< \brief DBGU chip ID register offset. */ +#define DBGU_CIDR (DBGU_BASE + DBGU_CIDR_OFF) /*!< \brief DBGU chip ID register. */ + + +#define MC_BASE 0xFFFFFF00 /*!< \brief Memory controller base. */ + +#define MC_FMR_OFF 0x00000060 /*!< \brief MC flash mode register offset. */ +#define MC_FMR (MC_BASE + MC_FMR_OFF) /*!< \brief MC flash mode register address. */ +#define MC_FRDY 0x00000001 /*!< \brief Flash ready. */ +#define MC_LOCKE 0x00000004 /*!< \brief Lock error. */ +#define MC_PROGE 0x00000008 /*!< \brief Programming error. */ +#define MC_NEBP 0x00000080 /*!< \brief No erase before programming. */ +#define MC_FWS_MASK 0x00000300 /*!< \brief Flash wait state mask. */ +#define MC_FWS_1R2W 0x00000000 /*!< \brief 1 cycle for read, 2 for write operations. */ +#define MC_FWS_2R3W 0x00000100 /*!< \brief 2 cycles for read, 3 for write operations. */ +#define MC_FWS_3R4W 0x00000200 /*!< \brief 3 cycles for read, 4 for write operations. */ +#define MC_FWS_4R4W 0x00000300 /*!< \brief 4 cycles for read and write operations. */ +#define MC_FMCN_MASK 0x00FF0000 /*!< \brief Flash microsecond cycle number mask. */ + +#define MC_FCR_OFF 0x00000064 /*!< \brief MC flash command register offset. */ +#define MC_FCR (MC_BASE + MC_FCR_OFF) /*!< \brief MC flash command register address. */ +#define MC_FCMD_MASK 0x0000000F /*!< \brief Flash command mask. */ +#define MC_FCMD_NOP 0x00000000 /*!< \brief No command. */ +#define MC_FCMD_WP 0x00000001 /*!< \brief Write page. */ +#define MC_FCMD_SLB 0x00000002 /*!< \brief Set lock bit. */ +#define MC_FCMD_WPL 0x00000003 /*!< \brief Write page and lock. */ +#define MC_FCMD_CLB 0x00000004 /*!< \brief Clear lock bit. */ +#define MC_FCMD_EA 0x00000008 /*!< \brief Erase all. */ +#define MC_FCMD_SGPB 0x0000000B /*!< \brief Set general purpose NVM bit. */ +#define MC_FCMD_CGPB 0x0000000D /*!< \brief Clear general purpose NVM bit. */ +#define MC_FCMD_SSB 0x0000000F /*!< \brief Set security bit. */ +#define MC_PAGEN_MASK 0x0003FF00 /*!< \brief Page number mask. */ +#define MC_KEY 0x5A000000 /*!< \brief Writing protect key. */ + +#define MC_FSR_OFF 0x00000068 /*!< \brief MC flash status register offset. */ +#define MC_FSR (MC_BASE + MC_FSR_OFF) /*!< \brief MC flash status register address. */ +#define MC_SECURITY 0x00000010 /*!< \brief Security bit status. */ + + +#endif diff --git a/src/target/target.h b/src/target/target.h index fd09df79..dd70170d 100644 --- a/src/target/target.h +++ b/src/target/target.h @@ -331,5 +331,6 @@ int target_arch_state(struct target_s *target); #define ERROR_TARGET_DATA_ABORT (-307) #define ERROR_TARGET_RESOURCE_NOT_AVAILABLE (-308) #define ERROR_TARGET_TRANSLATION_FAULT (-309) +#define ERROR_TARGET_NOT_RUNNING (-310) #endif /* TARGET_H */ -- 2.39.5