flash: retire unused eCos flash driver

even the AT91EB40a's flash is covered by CFI and nobody ever submitted
any other drivers based on eCos code. It's just possible that this
idea was missing documentation and "marketing", but it's in git if
somebody wants to resurrect it.

Change-Id: I66449aa6e0997301f9d67f28098789bfc891d6e9
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Reviewed-on: http://openocd.zylin.com/502
Tested-by: jenkins
Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>

3 files changed, 0 insertions, 428 deletions

diff --git a/src/flash/nor/Makefile.am b/src/flash/nor/Makefile.am
index d5832ca..0b219a9 100644
--- a/src/flash/nor/Makefile.am
+++ b/src/flash/nor/Makefile.am
@@ -13,7 +13,6 @@ NOR_DRIVERS = \
 	at91sam7.c \
 	avrf.c \
 	cfi.c \
-	ecos.c \
 	em357.c \
 	faux.c \
 	lpc2000.c \
diff --git a/src/flash/nor/drivers.c b/src/flash/nor/drivers.c
index 06de0c6..746b55b 100644
--- a/src/flash/nor/drivers.c
+++ b/src/flash/nor/drivers.c
@@ -37,7 +37,6 @@ extern struct flash_driver stm32f1x_flash;
 extern struct flash_driver stm32f2x_flash;
 extern struct flash_driver stm32lx_flash;
 extern struct flash_driver tms470_flash;
-extern struct flash_driver ecosflash_flash;
 extern struct flash_driver ocl_flash;
 extern struct flash_driver pic32mx_flash;
 extern struct flash_driver avr_flash;
@@ -69,7 +68,6 @@ static struct flash_driver *flash_drivers[] = {
 	&stm32f2x_flash,
 	&stm32lx_flash,
 	&tms470_flash,
-	&ecosflash_flash,
 	&ocl_flash,
 	&pic32mx_flash,
 	&avr_flash,
diff --git a/src/flash/nor/ecos.c b/src/flash/nor/ecos.c
deleted file mode 100644
index c745859..0000000
--- a/src/flash/nor/ecos.c
+++ /dev/null
@@ -1,425 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2007,2008 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 "imp.h"
-#include <target/embeddedice.h>
-#include <target/algorithm.h>
-#include <target/image.h>
-
-#if 0
-static uint32_t ecosflash_get_flash_status(struct flash_bank *bank);
-static void ecosflash_set_flash_mode(struct flash_bank *bank, int mode);
-static uint32_t ecosflash_wait_status_busy(struct flash_bank *bank, uint32_t waitbits, int timeout);
-static int ecosflash_handle_gpnvm_command(struct command_context *cmd_ctx,
-		char *cmd, char **args, int argc);
-#endif
-
-struct ecosflash_flash_bank {
-	struct target *target;
-	struct working_area *write_algorithm;
-	struct working_area *erase_check_algorithm;
-	char *driverPath;
-	uint32_t start_address;
-};
-
-static const int sectorSize = 0x10000;
-
-char *flash_errmsg(int err);
-
-#ifndef __ECOS
-#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";
-	}
-}
-#endif
-
-/* flash bank ecosflash <base> <size> <chip_width> <bus_width> <target#> <driverPath>
- */
-FLASH_BANK_COMMAND_HANDLER(ecosflash_flash_bank_command)
-{
-	struct ecosflash_flash_bank *info;
-
-	if (CMD_ARGC < 7)
-		return ERROR_COMMAND_SYNTAX_ERROR;
-
-	info = malloc(sizeof(struct ecosflash_flash_bank));
-	if (info == NULL) {
-		LOG_ERROR("no memory for flash bank info");
-		exit(-1);
-	}
-	bank->driver_priv = info;
-	info->driverPath = strdup(CMD_ARGV[6]);
-
-	/* eCos flash sector sizes are not exposed to OpenOCD, use 0x10000 as
-	 * a way to improve impedance match between OpenOCD and eCos flash
-	 * driver.
-	 */
-	int i = 0;
-	uint32_t offset = 0;
-	bank->num_sectors = bank->size/sectorSize;
-	bank->sectors = malloc(sizeof(struct flash_sector) * 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(CMD_ARGV[5]);
-	if (info->target == NULL) {
-		LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
-		return ERROR_FAIL;
-	}
-	return ERROR_OK;
-}
-
-static int loadDriver(struct ecosflash_flash_bank *info)
-{
-	size_t buf_cnt;
-	size_t image_size;
-	struct image image;
-
-	image.base_address_set = 0;
-	image.start_address_set = 0;
-	struct target *target = info->target;
-	int retval;
-
-	retval = image_open(&image, info->driverPath, NULL);
-	if (retval != ERROR_OK)
-		return retval;
-
-	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);
-		retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
-		if (retval != ERROR_OK) {
-			free(buffer);
-			image_close(&image);
-			return retval;
-		}
-		target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
-		image_size += buf_cnt;
-		LOG_DEBUG("%zu bytes written at address 0x%8.8" PRIx32 "",
-			buf_cnt, image.sections[i].base_address);
-
-		free(buffer);
-	}
-
-	image_close(&image);
-
-	return ERROR_OK;
-}
-
-static int const OFFSET_ERASE;
-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;
-
-static int runCode(struct ecosflash_flash_bank *info,
-	uint32_t codeStart, uint32_t codeStop, uint32_t r0, uint32_t r1, uint32_t r2,
-	uint32_t *result,
-	/* timeout in ms */
-	int timeout)
-{
-	struct target *target = info->target;
-
-	struct reg_param reg_params[3];
-	struct arm_algorithm armv4_5_info;
-	armv4_5_info.common_magic = ARM_COMMON_MAGIC;
-	armv4_5_info.core_mode = ARM_MODE_SVC;
-	armv4_5_info.core_state = ARM_STATE_ARM;
-
-	init_reg_param(&reg_params[0], "r0", 32, PARAM_IN_OUT);
-	init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
-	init_reg_param(&reg_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 = target_run_algorithm(target, 0, NULL, 3, reg_params,
-			codeStart, codeStop, timeout, &armv4_5_info);
-	if (retval != ERROR_OK) {
-		LOG_ERROR("error executing eCos flash algorithm");
-		return retval;
-	}
-
-	*result = buf_get_u32(reg_params[0].value, 0, 32);
-
-	destroy_reg_param(&reg_params[0]);
-	destroy_reg_param(&reg_params[1]);
-	destroy_reg_param(&reg_params[2]);
-
-	return ERROR_OK;
-}
-
-static int eCosBoard_erase(struct ecosflash_flash_bank *info, uint32_t address, uint32_t len)
-{
-	int retval;
-	int timeout = (len / 20480 + 1) * 1000;	/*asume 20 KB/s*/
-
-	retval = loadDriver(info);
-	if (retval != ERROR_OK)
-		return retval;
-
-	uint32_t 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) {
-		LOG_ERROR("Flash erase failed with %d (%s)", (int)flashErr, flash_errmsg(flashErr));
-		return ERROR_FAIL;
-	}
-
-	return ERROR_OK;
-}
-
-static int eCosBoard_flash(struct ecosflash_flash_bank *info,
-	void *data,
-	uint32_t address,
-	uint32_t len)
-{
-	struct target *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;
-
-	uint32_t 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;
-
-
-	uint32_t i;
-	for (i = 0; i < len; i += chunk) {
-		int t = len-i;
-		if (t > chunk)
-			t = chunk;
-
-		retval = target_write_buffer(target, buffer, t, ((uint8_t *)data) + i);
-		if (retval != ERROR_OK)
-			return retval;
-
-		uint32_t 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) {
-			LOG_ERROR("Flash prog failed with %d (%s)", (int)flashErr,
-				flash_errmsg(flashErr));
-			return ERROR_FAIL;
-		}
-	}
-	return ERROR_OK;
-}
-
-static int ecosflash_probe(struct flash_bank *bank)
-{
-	return ERROR_OK;
-}
-
-#if 0
-static void command(struct flash_bank *bank, uint8_t cmd, uint8_t *cmd_buf)
-{
-	struct ecosflash_flash_bank *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;
-	}
-}
-#endif
-
-#if 0
-static uint32_t ecosflash_address(struct flash_bank *bank, uint32_t address)
-{
-	uint32_t retval = 0;
-	switch (bank->bus_width) {
-		case 4:
-			retval = address & 0xfffffffc;
-		case 2:
-			retval = address & 0xfffffffe;
-		case 1:
-			retval = address;
-	}
-
-	return retval + bank->base;
-}
-#endif
-
-static int ecosflash_erase(struct flash_bank *bank, int first, int last)
-{
-	struct flash_bank *c = bank;
-	struct ecosflash_flash_bank *info = bank->driver_priv;
-	return eCosBoard_erase(info, c->base + first*sectorSize, sectorSize*(last-first + 1));
-}
-
-static int ecosflash_protect(struct flash_bank *bank, int set, int first, int last)
-{
-	return ERROR_OK;
-}
-
-static int ecosflash_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset,
-	uint32_t count)
-{
-	struct ecosflash_flash_bank *info = bank->driver_priv;
-	struct flash_bank *c = bank;
-	return eCosBoard_flash(info, buffer, c->base + offset, count);
-}
-
-static int ecosflash_protect_check(struct flash_bank *bank)
-{
-	return ERROR_OK;
-}
-
-static int ecosflash_info(struct flash_bank *bank, char *buf, int buf_size)
-{
-	struct ecosflash_flash_bank *info = bank->driver_priv;
-	snprintf(buf, buf_size, "eCos flash driver: %s", info->driverPath);
-	return ERROR_OK;
-}
-
-#if 0
-static uint32_t ecosflash_get_flash_status(struct flash_bank *bank)
-{
-	return ERROR_OK;
-}
-
-static void ecosflash_set_flash_mode(struct flash_bank *bank, int mode)
-{
-
-}
-
-static uint32_t ecosflash_wait_status_busy(struct flash_bank *bank, uint32_t waitbits, int timeout)
-{
-	return ERROR_OK;
-}
-
-static int ecosflash_handle_gpnvm_command(struct command_context *cmd_ctx,
-	char *cmd,
-	char **args,
-	int argc)
-{
-	return ERROR_OK;
-}
-#endif
-
-struct flash_driver ecosflash_flash = {
-	.name = "ecosflash",
-	.flash_bank_command = ecosflash_flash_bank_command,
-	.erase = ecosflash_erase,
-	.protect = ecosflash_protect,
-	.write = ecosflash_write,
-	.read = default_flash_read,
-	.probe = ecosflash_probe,
-	.auto_probe = ecosflash_probe,
-	.erase_check = default_flash_blank_check,
-	.protect_check = ecosflash_protect_check,
-	.info = ecosflash_info
-};