From d17e1cd93384d56886be7e67cf2b31e97118d811 Mon Sep 17 00:00:00 2001 From: oharboe Date: Thu, 28 Feb 2008 08:25:46 +0000 Subject: eCos flash driver. git-svn-id: svn://svn.berlios.de/openocd/trunk@365 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/flash/Makefile.am | 2 +- src/flash/ecos.c | 481 ++++++++++++++++++++++++++++++++++++++++++++++++++ src/flash/flash.c | 2 + 3 files changed, 484 insertions(+), 1 deletion(-) create mode 100644 src/flash/ecos.c (limited to 'src/flash') diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am index 90f009e9..4d0280f6 100644 --- a/src/flash/Makefile.am +++ b/src/flash/Makefile.am @@ -3,7 +3,7 @@ AM_CPPFLAGS = -DPKGLIBDIR=\"$(pkglibdir)\" @CPPFLAGS@ 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 \ + 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 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 diff --git a/src/flash/ecos.c b/src/flash/ecos.c new file mode 100644 index 00000000..6aec41d6 --- /dev/null +++ b/src/flash/ecos.c @@ -0,0 +1,481 @@ +/*************************************************************************** + * Copyright (C) 2008 Øyvind Harboe * + * oyvind.harboe@zylin.com * + * * + * 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 "flash.h" + +#include "target.h" + +#include "flash.h" +#include "target.h" +#include "log.h" +#include "binarybuffer.h" +#include "../target/embeddedice.h" +#include "types.h" + + + +int ecosflash_register_commands(struct command_context_s *cmd_ctx); +int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank); +int ecosflash_erase(struct flash_bank_s *bank, int first, int last); +int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last); +int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count); +int ecosflash_probe(struct flash_bank_s *bank); +int ecosflash_erase_check(struct flash_bank_s *bank); +int ecosflash_protect_check(struct flash_bank_s *bank); +int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size); + +u32 ecosflash_get_flash_status(flash_bank_t *bank); +void ecosflash_set_flash_mode(flash_bank_t *bank,int mode); +u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout); +int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); + +flash_driver_t ecosflash_flash = +{ + .name = "ecosflash", + .register_commands = ecosflash_register_commands, + .flash_bank_command = ecosflash_flash_bank_command, + .erase = ecosflash_erase, + .protect = ecosflash_protect, + .write = ecosflash_write, + .probe = ecosflash_probe, + .auto_probe = ecosflash_probe, + .erase_check = ecosflash_erase_check, + .protect_check = ecosflash_protect_check, + .info = ecosflash_info +}; + +typedef struct ecosflash_flash_bank_s +{ + struct target_s *target; + working_area_t *write_algorithm; + working_area_t *erase_check_algorithm; + char *driverPath; + u32 start_address; +} ecosflash_flash_bank_t; + +static const int sectorSize=0x10000; + +#define FLASH_ERR_OK 0x00 // No error - operation complete +#define FLASH_ERR_INVALID 0x01 // Invalid FLASH address +#define FLASH_ERR_ERASE 0x02 // Error trying to erase +#define FLASH_ERR_LOCK 0x03 // Error trying to lock/unlock +#define FLASH_ERR_PROGRAM 0x04 // Error trying to program +#define FLASH_ERR_PROTOCOL 0x05 // Generic error +#define FLASH_ERR_PROTECT 0x06 // Device/region is write-protected +#define FLASH_ERR_NOT_INIT 0x07 // FLASH info not yet initialized +#define FLASH_ERR_HWR 0x08 // Hardware (configuration?) problem +#define FLASH_ERR_ERASE_SUSPEND 0x09 // Device is in erase suspend mode +#define FLASH_ERR_PROGRAM_SUSPEND 0x0a // Device is in in program suspend mode +#define FLASH_ERR_DRV_VERIFY 0x0b // Driver failed to verify data +#define FLASH_ERR_DRV_TIMEOUT 0x0c // Driver timed out waiting for device +#define FLASH_ERR_DRV_WRONG_PART 0x0d // Driver does not support device +#define FLASH_ERR_LOW_VOLTAGE 0x0e // Not enough juice to complete job + + +char * +flash_errmsg(int err) +{ + switch (err) { + case FLASH_ERR_OK: + return "No error - operation complete"; + case FLASH_ERR_ERASE_SUSPEND: + return "Device is in erase suspend state"; + case FLASH_ERR_PROGRAM_SUSPEND: + return "Device is in program suspend state"; + case FLASH_ERR_INVALID: + return "Invalid FLASH address"; + case FLASH_ERR_ERASE: + return "Error trying to erase"; + case FLASH_ERR_LOCK: + return "Error trying to lock/unlock"; + case FLASH_ERR_PROGRAM: + return "Error trying to program"; + case FLASH_ERR_PROTOCOL: + return "Generic error"; + case FLASH_ERR_PROTECT: + return "Device/region is write-protected"; + case FLASH_ERR_NOT_INIT: + return "FLASH sub-system not initialized"; + case FLASH_ERR_DRV_VERIFY: + return "Data verify failed after operation"; + case FLASH_ERR_DRV_TIMEOUT: + return "Driver timed out waiting for device"; + case FLASH_ERR_DRV_WRONG_PART: + return "Driver does not support device"; + case FLASH_ERR_LOW_VOLTAGE: + return "Device reports low voltage"; + default: + return "Unknown error"; + } +} + + +/* flash bank ecosflash + */ +int ecosflash_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank) +{ + ecosflash_flash_bank_t *info; + + if (argc < 7) + { + WARNING("incomplete flash_bank ecosflash configuration"); + return ERROR_FLASH_BANK_INVALID; + } + + info = malloc(sizeof(ecosflash_flash_bank_t)); + if(info == NULL) + { + ERROR("no memory for flash bank info"); + exit(-1); + } + bank->driver_priv = info; + info->driverPath=strdup(args[6]); + + // eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as + // a way to improve impeadance matach between OpenOCD and eCos flash + // driver + int i = 0; + u32 offset = 0; + bank->num_sectors=bank->size/sectorSize; + bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors); + for (i = 0; i < bank->num_sectors; i++) + { + bank->sectors[i].offset = offset; + bank->sectors[i].size = sectorSize; + offset += bank->sectors[i].size; + bank->sectors[i].is_erased = -1; + bank->sectors[i].is_protected = 0; + } + + info->target = get_target_by_num(strtoul(args[5], NULL, 0)); + if (info->target == NULL) + { + ERROR("no target '%i' configured", (int)strtoul(args[5], NULL, 0)); + exit(-1); + } + return ERROR_OK; +} + + +int loadDriver(ecosflash_flash_bank_t *info) +{ + u32 buf_cnt; + u32 image_size; + image_t image; + + image.base_address_set = 0; + image.start_address_set = 0; + target_t *target=info->target; + + if (image_open(&image, info->driverPath, NULL) != ERROR_OK) + { + ERROR("load_image error: %s", image.error_str); + return ERROR_FLASH_BANK_INVALID; + } + + info->start_address=image.start_address; + + image_size = 0x0; + int i; + for (i = 0; i < image.num_sections; i++) + { + void *buffer = malloc(image.sections[i].size); + int retval; + if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK) + { + ERROR("image_read_section failed with error code: %i", retval); + free(buffer); + image_close(&image); + return ERROR_FLASH_BANK_INVALID; + } + target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer); + image_size += buf_cnt; + DEBUG("%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address); + + free(buffer); + } + + image_close(&image); + + return ERROR_OK; +} + + +static int const OFFSET_ERASE=0x0; +static int const OFFSET_ERASE_SIZE=0x8; +static int const OFFSET_FLASH=0xc; +static int const OFFSET_FLASH_SIZE=0x8; +static int const OFFSET_GET_WORKAREA=0x18; +static int const OFFSET_GET_WORKAREA_SIZE=0x4; + + +int runCode(ecosflash_flash_bank_t *info, + u32 codeStart, u32 codeStop, u32 r0, u32 r1, u32 r2, + u32 *result, + // timeout in ms + int timeout) +{ + target_t *target=info->target; + + reg_param_t reg_params[3]; + armv4_5_algorithm_t armv4_5_info; + armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; + armv4_5_info.core_mode = ARMV4_5_MODE_SVC; + armv4_5_info.core_state = ARMV4_5_STATE_ARM; + + init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); + init_reg_param(®_params[1], "r1", 32, PARAM_OUT); + init_reg_param(®_params[2], "r2", 32, PARAM_OUT); + + buf_set_u32(reg_params[0].value, 0, 32, r0); + buf_set_u32(reg_params[1].value, 0, 32, r1); + buf_set_u32(reg_params[2].value, 0, 32, r2); + + int retval; + if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params, + codeStart, + codeStop, timeout, + &armv4_5_info)) != ERROR_OK) + { + ERROR("error executing eCos flash algorithm"); + return retval; + } + + *result=buf_get_u32(reg_params[0].value, 0, 32); + + destroy_reg_param(®_params[0]); + destroy_reg_param(®_params[1]); + destroy_reg_param(®_params[2]); + + return ERROR_OK; +} + +int eCosBoard_erase(ecosflash_flash_bank_t *info, u32 address, u32 len) +{ + int retval; + int timeout = (len / 20480 + 1) * 1000; /*asume 20 KB/s*/ + + retval=loadDriver(info); + if (retval!=ERROR_OK) + return retval; + + u32 flashErr; + retval=runCode(info, + info->start_address+OFFSET_ERASE, + info->start_address+OFFSET_ERASE+OFFSET_ERASE_SIZE, + address, + len, + 0, + &flashErr, + timeout + ); + if (retval!=ERROR_OK) + return retval; + + if (flashErr != 0x0) + { + ERROR("Flash erase failed with %d (%s)\n", flashErr, flash_errmsg(flashErr)); + return ERROR_JTAG_DEVICE_ERROR; + } + + return ERROR_OK; +} + +int eCosBoard_flash(ecosflash_flash_bank_t *info, void *data, u32 address, u32 len) +{ + target_t *target=info->target; + const int chunk=8192; + int retval=ERROR_OK; + int timeout = (chunk / 20480 + 1) * 1000; /*asume 20 KB/s + 1 second*/ + + retval=loadDriver(info); + if (retval!=ERROR_OK) + return retval; + + u32 buffer; + retval=runCode(info, + info->start_address+OFFSET_GET_WORKAREA, + info->start_address+OFFSET_GET_WORKAREA+OFFSET_GET_WORKAREA_SIZE, + 0, + 0, + 0, + &buffer, + 1000); + if (retval!=ERROR_OK) + return retval; + + + int i; + for (i=0; ichunk) + { + t=chunk; + } + + int retval; + retval=target_write_buffer(target, buffer, t, ((char *)data)+i); + if (retval != ERROR_OK) + return retval; + + u32 flashErr; + retval=runCode(info, + info->start_address+OFFSET_FLASH, + info->start_address+OFFSET_FLASH+OFFSET_FLASH_SIZE, + buffer, + address+i, + t, + &flashErr, + timeout); + if (retval != ERROR_OK) + return retval; + + if (flashErr != 0x0) + { + ERROR("Flash prog failed with %d (%s)\n", flashErr, flash_errmsg(flashErr)); + return ERROR_JTAG_DEVICE_ERROR; + } + } + return ERROR_OK; +} + + +int ecosflash_probe(struct flash_bank_s *bank) +{ + return ERROR_OK; +} + + +int ecosflash_register_commands(struct command_context_s *cmd_ctx) +{ + register_command(cmd_ctx, NULL, "ecosflash", NULL, COMMAND_ANY, NULL); + + return ERROR_OK; +} + +/* +static void command(flash_bank_t *bank, u8 cmd, u8 *cmd_buf) +{ + ecosflash_flash_bank_t *info = bank->driver_priv; + int i; + + if (info->target->endianness == TARGET_LITTLE_ENDIAN) + { + for (i = bank->bus_width; i > 0; i--) + { + *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd; + } + } + else + { + for (i = 1; i <= bank->bus_width; i++) + { + *cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd; + } + } +} +*/ + +u32 ecosflash_address(struct flash_bank_s *bank, u32 address) +{ + u32 retval = 0; + switch(bank->bus_width) + { + case 4: + retval = address & 0xfffffffc; + case 2: + retval = address & 0xfffffffe; + case 1: + retval = address; + } + + return retval + bank->base; +} + + +int ecosflash_erase(struct flash_bank_s *bank, int first, int last) +{ + struct flash_bank_s *c=bank; + ecosflash_flash_bank_t *info = bank->driver_priv; + return eCosBoard_erase(info, c->base+first*sectorSize, sectorSize*(last-first+1)); +} + +int ecosflash_protect(struct flash_bank_s *bank, int set, int first, int last) +{ + return ERROR_OK; +} + + +int ecosflash_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) +{ + ecosflash_flash_bank_t *info = bank->driver_priv; + struct flash_bank_s *c=bank; + return eCosBoard_flash(info, buffer, c->base+offset, count); +} + + +int ecosflash_erase_check(struct flash_bank_s *bank) +{ + return ERROR_OK; +} + +int ecosflash_protect_check(struct flash_bank_s *bank) +{ + return ERROR_OK; +} + +int ecosflash_info(struct flash_bank_s *bank, char *buf, int buf_size) +{ + ecosflash_flash_bank_t *info = bank->driver_priv; + snprintf(buf, buf_size, "eCos flash driver: %s", info->driverPath); + return ERROR_OK; +} + + +u32 ecosflash_get_flash_status(flash_bank_t *bank) +{ + return ERROR_OK; +} + +void ecosflash_set_flash_mode(flash_bank_t *bank,int mode) +{ + +} + +u32 ecosflash_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout) +{ + return ERROR_OK; +} + +int ecosflash_handle_gpnvm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + return ERROR_OK; +} + + + + diff --git a/src/flash/flash.c b/src/flash/flash.c index 2fefb4cd..f1710851 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -64,6 +64,7 @@ extern flash_driver_t stellaris_flash; extern flash_driver_t str9xpec_flash; extern flash_driver_t stm32x_flash; extern flash_driver_t tms470_flash; +extern flash_driver_t ecosflash_flash; flash_driver_t *flash_drivers[] = { @@ -76,6 +77,7 @@ flash_driver_t *flash_drivers[] = &str9xpec_flash, &stm32x_flash, &tms470_flash, + &ecosflash_flash, NULL, }; -- cgit v1.2.3-18-g5258