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From ad...@apache.org
Subject [35/51] [partial] incubator-mynewt-site git commit: remove untarred files for openocd
Date Thu, 16 Jun 2016 21:41:43 GMT
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/69f466b5/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/flash/nor/ambiqmicro.c
----------------------------------------------------------------------
diff --git a/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/flash/nor/ambiqmicro.c
b/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/flash/nor/ambiqmicro.c
deleted file mode 100755
index b2c30e6..0000000
--- a/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/flash/nor/ambiqmicro.c
+++ /dev/null
@@ -1,904 +0,0 @@
-/******************************************************************************
- *
- * @file ambiqmicro.c
- *
- * @brief Ambiq Micro flash driver.
- *
- *****************************************************************************/
-
-/******************************************************************************
- * Copyright (c) 2015, David Racine <dracine at ambiqmicro.com>
- *
- * Copyright (c) 2016, Rick Foos <rfoos at solengtech.com>
- *
- * Copyright (c) 2015-2016, Ambiq Micro, Inc.
- *
- * 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 holder 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 HOLDER 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.
- *
- *****************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "jtag/interface.h"
-#include "imp.h"
-#include "target/algorithm.h"
-#include "target/armv7m.h"
-#include "target/cortex_m.h"
-
-/** Check error, log error. */
-#define CHECK_STATUS(rc, msg) {	\
-		if (rc != ERROR_OK) { \
-			LOG_ERROR("status(%d):%s\n", rc, msg); } }
-
-/*
- * Address and Key defines.
- */
-#define PROGRAM_KEY      (0x12344321)
-#define OTP_PROGRAM_KEY  (0x87655678)
-
-#define FLASH_PROGRAM_MAIN_FROM_SRAM                0x0800005d
-#define FLASH_PROGRAM_OTP_FROM_SRAM                 0x08000061
-#define FLASH_ERASE_LIST_MAIN_PAGES_FROM_SRAM       0x08000065
-#define FLASH_MASS_ERASE_MAIN_PAGES_FROM_SRAM       0x08000069
-
-
-static const uint32_t apollo_flash_size[] = {
-	1 << 15,
-	1 << 16,
-	1 << 17,
-	1 << 18,
-	1 << 19,
-	1 << 20,
-	1 << 21
-};
-
-static const uint32_t apollo_sram_size[] = {
-	1 << 15,
-	1 << 16,
-	1 << 17,
-	1 << 18,
-	1 << 19,
-	1 << 20,
-	1 << 21
-};
-
-struct ambiqmicro_flash_bank {
-	/* chip id register */
-
-	uint32_t probed;
-
-	const char *target_name;
-	uint8_t target_class;
-
-	uint32_t sramsiz;
-	uint32_t flshsiz;
-
-	/* flash geometry */
-	uint32_t num_pages;
-	uint32_t pagesize;
-	uint32_t pages_in_lockregion;
-
-	/* nv memory bits */
-	uint16_t num_lockbits;
-
-	/* main clock status */
-	uint32_t rcc;
-	uint32_t rcc2;
-	uint8_t mck_valid;
-	uint8_t xtal_mask;
-	uint32_t iosc_freq;
-	uint32_t mck_freq;
-	const char *iosc_desc;
-	const char *mck_desc;
-};
-
-static struct {
-	uint8_t class;
-	uint8_t partno;
-	const char *partname;
-} ambiqmicroParts[6] = {
-	{0xFF, 0x00, "Unknown"},
-	{0x01, 0x00, "Apollo"},
-	{0x02, 0x00, "Apollo2"},
-	{0x03, 0x00, "Unknown"},
-	{0x04, 0x00, "Unknown"},
-	{0x05, 0x00, "Apollo"},
-};
-
-static char *ambiqmicroClassname[6] = {
-	"Unknown", "Apollo", "Apollo2", "Unknown", "Unknown", "Apollo"
-};
-
-/***************************************************************************
-*	openocd command interface                                              *
-***************************************************************************/
-
-/* flash_bank ambiqmicro <base> <size> 0 0 <target#>
- */
-FLASH_BANK_COMMAND_HANDLER(ambiqmicro_flash_bank_command)
-{
-	struct ambiqmicro_flash_bank *ambiqmicro_info;
-
-	if (CMD_ARGC < 6)
-		return ERROR_COMMAND_SYNTAX_ERROR;
-
-	ambiqmicro_info = calloc(sizeof(struct ambiqmicro_flash_bank), 1);
-
-	bank->driver_priv = ambiqmicro_info;
-
-	ambiqmicro_info->target_name = "Unknown target";
-
-	/* part wasn't probed yet */
-	ambiqmicro_info->probed = 0;
-
-	return ERROR_OK;
-}
-
-static int get_ambiqmicro_info(struct flash_bank *bank, char *buf, int buf_size)
-{
-	struct ambiqmicro_flash_bank *ambiqmicro_info = bank->driver_priv;
-	int printed;
-	char *classname;
-
-	if (ambiqmicro_info->probed == 0) {
-		LOG_ERROR("Target not probed");
-		return ERROR_FLASH_BANK_NOT_PROBED;
-	}
-
-	/* Check class name in range. */
-	if (ambiqmicro_info->target_class < sizeof(ambiqmicroClassname))
-		classname = ambiqmicroClassname[ambiqmicro_info->target_class];
-	else
-		classname = ambiqmicroClassname[0];
-
-	printed = snprintf(buf,
-		buf_size,
-		"\nAmbiq Micro information: Chip is "
-		"class %d (%s) %s\n",
-		ambiqmicro_info->target_class,
-		classname,
-		ambiqmicro_info->target_name);
-
-	if ((printed < 0))
-		return ERROR_BUF_TOO_SMALL;
-	return ERROR_OK;
-}
-
-/***************************************************************************
-*	chip identification and status                                         *
-***************************************************************************/
-
-/* Fill in driver info structure */
-static int ambiqmicro_read_part_info(struct flash_bank *bank)
-{
-	struct ambiqmicro_flash_bank *ambiqmicro_info = bank->driver_priv;
-	struct target *target = bank->target;
-	uint32_t PartNum = 0;
-	int retval;
-
-	/*
-	 * Read Part Number.
-	 */
-	retval = target_read_u32(target, 0x40020000, &PartNum);
-	if (retval != ERROR_OK) {
-		LOG_ERROR("status(0x%x):Could not read PartNum.\n", retval);
-		/* Set PartNum to default device */
-		PartNum = 0;
-	}
-	LOG_DEBUG("Part number: 0x%x", PartNum);
-
-	/*
-	 * Determine device class.
-	 */
-	ambiqmicro_info->target_class = (PartNum & 0xFF000000) >> 24;
-
-	switch (ambiqmicro_info->target_class) {
-		case 1:		/* 1 - Apollo */
-		case 5:		/* 5 - Apollo Bootloader */
-			bank->base = bank->bank_number * 0x40000;
-			ambiqmicro_info->pagesize = 2048;
-			ambiqmicro_info->flshsiz =
-			apollo_flash_size[(PartNum & 0x00F00000) >> 20];
-			ambiqmicro_info->sramsiz =
-			apollo_sram_size[(PartNum & 0x000F0000) >> 16];
-			ambiqmicro_info->num_pages = ambiqmicro_info->flshsiz /
-			ambiqmicro_info->pagesize;
-			if (ambiqmicro_info->num_pages > 128) {
-				ambiqmicro_info->num_pages = 128;
-				ambiqmicro_info->flshsiz = 1024 * 256;
-			}
-			break;
-
-		default:
-			LOG_INFO("Unknown Class. Using Apollo-64 as default.");
-
-			bank->base = bank->bank_number * 0x40000;
-			ambiqmicro_info->pagesize = 2048;
-			ambiqmicro_info->flshsiz = apollo_flash_size[1];
-			ambiqmicro_info->sramsiz = apollo_sram_size[0];
-			ambiqmicro_info->num_pages = ambiqmicro_info->flshsiz /
-			ambiqmicro_info->pagesize;
-			if (ambiqmicro_info->num_pages > 128) {
-				ambiqmicro_info->num_pages = 128;
-				ambiqmicro_info->flshsiz = 1024 * 256;
-			}
-			break;
-
-	}
-
-	if (ambiqmicro_info->target_class <
-		(sizeof(ambiqmicroParts)/sizeof(ambiqmicroParts[0])))
-		ambiqmicro_info->target_name =
-			ambiqmicroParts[ambiqmicro_info->target_class].partname;
-	else
-		ambiqmicro_info->target_name =
-			ambiqmicroParts[0].partname;
-
-	LOG_DEBUG("num_pages: %d, pagesize: %d, flash: %d, sram: %d",
-		ambiqmicro_info->num_pages,
-		ambiqmicro_info->pagesize,
-		ambiqmicro_info->flshsiz,
-		ambiqmicro_info->sramsiz);
-
-	return ERROR_OK;
-}
-
-/***************************************************************************
-*	flash operations                                                       *
-***************************************************************************/
-
-static int ambiqmicro_protect_check(struct flash_bank *bank)
-{
-	struct ambiqmicro_flash_bank *ambiqmicro = bank->driver_priv;
-	int status = ERROR_OK;
-	uint32_t i;
-
-
-	if (ambiqmicro->probed == 0) {
-		LOG_ERROR("Target not probed");
-		return ERROR_FLASH_BANK_NOT_PROBED;
-	}
-
-	for (i = 0; i < (unsigned) bank->num_sectors; i++)
-		bank->sectors[i].is_protected = -1;
-
-	return status;
-}
-/** Read flash status from bootloader. */
-static int check_flash_status(struct target *target, uint32_t address)
-{
-	uint32_t retflash;
-	int rc;
-	rc = target_read_u32(target, address, &retflash);
-	/* target connection failed. */
-	if (rc != ERROR_OK) {
-		LOG_DEBUG("%s:%d:%s(): status(0x%x)\n",
-			__FILE__, __LINE__, __func__, rc);
-		return rc;
-	}
-	/* target flash failed, unknown cause. */
-	if (retflash != 0) {
-		LOG_ERROR("Flash not happy: status(0x%x)", retflash);
-		return ERROR_FLASH_OPERATION_FAILED;
-	}
-	return ERROR_OK;
-}
-
-static int ambiqmicro_exec_command(struct target *target,
-	uint32_t command,
-	uint32_t flash_return_address)
-{
-	int retval, retflash;
-
-	retval = target_resume(
-		target,
-		false,
-		command,
-		true,
-		true);
-
-	CHECK_STATUS(retval, "error executing ambiqmicro command");
-
-	/*
-	 * Wait for halt.
-	 */
-	for (;; ) {
-		target_poll(target);
-		if (target->state == TARGET_HALTED)
-			break;
-		else if (target->state == TARGET_RUNNING ||
-			target->state == TARGET_DEBUG_RUNNING) {
-			/*
-			 * Keep polling until target halts.
-			 */
-			target_poll(target);
-			alive_sleep(100);
-			LOG_DEBUG("state = %d", target->state);
-		} else {
-			LOG_ERROR("Target not halted or running %d", target->state);
-			break;
-		}
-	}
-
-	/*
-	 * Read return value, flash error takes precedence.
-	 */
-	retflash = check_flash_status(target, flash_return_address);
-	if (retflash != ERROR_OK)
-		retval = retflash;
-
-	/* Return code from target_resume OR flash. */
-	return retval;
-}
-
-static int ambiqmicro_mass_erase(struct flash_bank *bank)
-{
-	struct target *target = NULL;
-	struct ambiqmicro_flash_bank *ambiqmicro_info = NULL;
-	int retval = ERROR_OK;
-
-	ambiqmicro_info = bank->driver_priv;
-	target = bank->target;
-
-	if (target->state != TARGET_HALTED) {
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	if (ambiqmicro_info->probed == 0) {
-		LOG_ERROR("Target not probed");
-		return ERROR_FLASH_BANK_NOT_PROBED;
-	}
-
-	/*
-	 * Clear Bootloader bit.
-	 */
-	retval = target_write_u32(target, 0x400201a0, 0x0);
-	CHECK_STATUS(retval, "error clearing bootloader bit.");
-
-	/*
-	 * Set up the SRAM.
-	 */
-
-	/*
-	 * Bank.
-	 */
-	retval = target_write_u32(target, 0x10000000, bank->bank_number);
-	CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-	/*
-	 * Write Key.
-	 */
-	retval = target_write_u32(target, 0x10000004, PROGRAM_KEY);
-	CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-	/*
-	 * Breakpoint.
-	 */
-	retval = target_write_u32(target, 0x10000008, 0xfffffffe);
-	CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-	/*
-	 * Erase the main array.
-	 */
-	LOG_INFO("Mass erase on bank %d.", bank->bank_number);
-
-	/*
-	 * passed pc, addr = ROM function, handle breakpoints, not debugging.
-	 */
-	retval = ambiqmicro_exec_command(target, FLASH_MASS_ERASE_MAIN_PAGES_FROM_SRAM, 0x10000008);
-	CHECK_STATUS(retval, "error executing ambiqmicro flash mass erase.");
-	if (retval != ERROR_OK)
-		return retval;
-
-	/*
-	 * Set Bootloader bit, regardless of command execution.
-	 */
-	retval = target_write_u32(target, 0x400201a0, 0x1);
-	CHECK_STATUS(retval, "error setting bootloader bit.");
-
-	return retval;
-}
-
-
-static int ambiqmicro_erase(struct flash_bank *bank, int first, int last)
-{
-	struct ambiqmicro_flash_bank *ambiqmicro_info = bank->driver_priv;
-	struct target *target = bank->target;
-	uint32_t retval = ERROR_OK;
-
-	if (bank->target->state != TARGET_HALTED) {
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	if (ambiqmicro_info->probed == 0) {
-		LOG_ERROR("Target not probed");
-		return ERROR_FLASH_BANK_NOT_PROBED;
-	}
-
-	/*
-	 * Check pages.
-	 * Fix num_pages for the device.
-	 */
-	if ((first < 0) || (last < first) || (last >= (int)ambiqmicro_info->num_pages))
-		return ERROR_FLASH_SECTOR_INVALID;
-
-	/*
-	 * Just Mass Erase if all pages are given.
-	 * TODO: Fix num_pages for the device
-	 */
-	if ((first == 0) && (last == ((int)ambiqmicro_info->num_pages-1)))
-		return ambiqmicro_mass_erase(bank);
-
-	/*
-	 * Clear Bootloader bit.
-	 */
-	retval = target_write_u32(target, 0x400201a0, 0x0);
-	CHECK_STATUS(retval, "error clearing bootloader bit.");
-
-	/*
-	 * Set up the SRAM.
-	 */
-
-	/*
-	 * Bank.
-	 */
-	retval = target_write_u32(target, 0x10000000, bank->bank_number);
-	CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-	/*
-	 * Number of pages to erase.
-	 */
-	retval = target_write_u32(target, 0x10000004, 1 + (last-first));
-	CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-	/*
-	 * Write Key.
-	 */
-	retval = target_write_u32(target, 0x10000008, PROGRAM_KEY);
-	CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-	/*
-	 * Breakpoint.
-	 */
-	retval = target_write_u32(target, 0x1000000c, 0xfffffffe);
-	CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-	/*
-	 * Pointer to flash address.
-	 */
-	retval = target_write_u32(target, 0x10000010, first);
-	CHECK_STATUS(retval, "error writing target SRAM parameters.");
-	if (retval != ERROR_OK)
-		return retval;
-
-	/*
-	 * Erase the pages.
-	 */
-	LOG_INFO("Erasing pages %d to %d on bank %d", first, last, bank->bank_number);
-
-	/*
-	 * passed pc, addr = ROM function, handle breakpoints, not debugging.
-	 */
-	retval = ambiqmicro_exec_command(target, FLASH_ERASE_LIST_MAIN_PAGES_FROM_SRAM, 0x1000000C);
-	CHECK_STATUS(retval, "error executing flash page erase");
-	if (retval != ERROR_OK)
-		return retval;
-
-	LOG_INFO("%d pages erased!", 1+(last-first));
-
-	if (first == 0) {
-		/*
-		 * Set Bootloader bit.
-		 */
-		retval = target_write_u32(target, 0x400201a0, 0x1);
-		CHECK_STATUS(retval, "error setting bootloader bit.");
-		if (retval != ERROR_OK)
-			return retval;
-	}
-
-	return retval;
-}
-
-static int ambiqmicro_protect(struct flash_bank *bank, int set, int first, int last)
-{
-	/* struct ambiqmicro_flash_bank *ambiqmicro_info = bank->driver_priv;
-	 * struct target *target = bank->target; */
-
-	/*
-	 * TODO
-	 */
-	LOG_INFO("Not yet implemented");
-
-	if (bank->target->state != TARGET_HALTED) {
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	return ERROR_OK;
-}
-
-static int ambiqmicro_write_block(struct flash_bank *bank,
-	const uint8_t *buffer, uint32_t offset, uint32_t count)
-{
-	/* struct ambiqmicro_flash_bank *ambiqmicro_info = bank->driver_priv; */
-	struct target *target = bank->target;
-	uint32_t address = bank->base + offset;
-	uint32_t buffer_pointer = 0x10000010;
-	uint32_t maxbuffer;
-	uint32_t thisrun_count;
-	int retval = ERROR_OK;
-
-	if (((count%4) != 0) || ((offset%4) != 0)) {
-		LOG_ERROR("write block must be multiple of 4 bytes in offset & length");
-		return ERROR_FAIL;
-	}
-
-	/*
-	 * Max buffer size for this device.
-	 * Hard code 6kB for the buffer.
-	 */
-	maxbuffer = 0x1800;
-
-	LOG_INFO("Flashing main array");
-
-	while (count > 0) {
-		if (count > maxbuffer)
-			thisrun_count = maxbuffer;
-		else
-			thisrun_count = count;
-
-		/*
-		 * Set up the SRAM.
-		 */
-
-		/*
-		 * Pointer to flash.
-		 */
-		retval = target_write_u32(target, 0x10000000, address);
-		CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-		/*
-		 * Number of 32-bit words to program.
-		 */
-		retval = target_write_u32(target, 0x10000004, thisrun_count/4);
-		CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-		/*
-		 * Write Key.
-		 */
-		retval = target_write_u32(target, 0x10000008, PROGRAM_KEY);
-		CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-		/*
-		 * Breakpoint.
-		 */
-		retval = target_write_u32(target, 0x1000000c, 0xfffffffe);
-		CHECK_STATUS(retval, "error writing target SRAM parameters.");
-
-		/*
-		 * Write Buffer.
-		 */
-		retval = target_write_buffer(target, buffer_pointer, thisrun_count, buffer);
-
-		if (retval != ERROR_OK) {
-			CHECK_STATUS(retval, "error writing target SRAM parameters.");
-			break;
-		}
-
-		LOG_DEBUG("address = 0x%08x", address);
-
-		retval = ambiqmicro_exec_command(target, FLASH_PROGRAM_MAIN_FROM_SRAM, 0x1000000c);
-		CHECK_STATUS(retval, "error executing ambiqmicro flash write algorithm");
-		if (retval != ERROR_OK)
-			break;
-		buffer += thisrun_count;
-		address += thisrun_count;
-		count -= thisrun_count;
-	}
-
-
-	LOG_INFO("Main array flashed");
-
-	/*
-	 * Clear Bootloader bit.
-	 */
-	retval = target_write_u32(target, 0x400201a0, 0x0);
-	CHECK_STATUS(retval, "error clearing bootloader bit");
-
-	return retval;
-}
-
-static int ambiqmicro_write(struct flash_bank *bank, const uint8_t *buffer,
-	uint32_t offset, uint32_t count)
-{
-	uint32_t retval;
-
-	/* try using a block write */
-	retval = ambiqmicro_write_block(bank, buffer, offset, count);
-	if (retval != ERROR_OK)
-		LOG_ERROR("write failed");
-
-	return retval;
-}
-
-static int ambiqmicro_probe(struct flash_bank *bank)
-{
-	struct ambiqmicro_flash_bank *ambiqmicro_info = bank->driver_priv;
-	uint32_t retval;
-
-	/* If this is a ambiqmicro chip, it has flash; probe() is just
-	 * to figure out how much is present.  Only do it once.
-	 */
-	if (ambiqmicro_info->probed == 1) {
-		LOG_INFO("Target already probed");
-		return ERROR_OK;
-	}
-
-	/* ambiqmicro_read_part_info() already handled error checking and
-	 * reporting.  Note that it doesn't write, so we don't care about
-	 * whether the target is halted or not.
-	 */
-	retval = ambiqmicro_read_part_info(bank);
-	if (retval != ERROR_OK)
-		return retval;
-
-	if (bank->sectors) {
-		free(bank->sectors);
-		bank->sectors = NULL;
-	}
-
-	/* provide this for the benefit of the NOR flash framework */
-	bank->size = ambiqmicro_info->pagesize * ambiqmicro_info->num_pages;
-	bank->num_sectors = ambiqmicro_info->num_pages;
-	bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
-	for (int i = 0; i < bank->num_sectors; i++) {
-		bank->sectors[i].offset = i * ambiqmicro_info->pagesize;
-		bank->sectors[i].size = ambiqmicro_info->pagesize;
-		bank->sectors[i].is_erased = -1;
-		bank->sectors[i].is_protected = -1;
-	}
-
-	/*
-	 * Part has been probed.
-	 */
-	ambiqmicro_info->probed = 1;
-
-	return retval;
-}
-
-static int ambiqmicro_otp_program(struct flash_bank *bank,
-	uint32_t offset, uint32_t count)
-{
-	struct target *target = NULL;
-	struct ambiqmicro_flash_bank *ambiqmicro_info = NULL;
-	uint32_t retval = ERROR_OK;
-
-	ambiqmicro_info = bank->driver_priv;
-	target = bank->target;
-
-	if (target->state != TARGET_HALTED) {
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	if (ambiqmicro_info->probed == 0) {
-		LOG_ERROR("Target not probed");
-		return ERROR_FLASH_BANK_NOT_PROBED;
-	}
-
-	if (count > 256) {
-		LOG_ERROR("Count must be < 256");
-		return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
-	}
-
-	/*
-	 * Clear Bootloader bit.
-	 */
-	retval = target_write_u32(target, 0x400201a0, 0x0);
-	CHECK_STATUS(retval, "error clearing bootloader bit.");
-
-	/*
-	 * Set up the SRAM.
-	 */
-
-	/*
-	 * Bank.
-	 */
-	retval = target_write_u32(target, 0x10000000, offset);
-	CHECK_STATUS(retval, "error setting target SRAM parameters.");
-
-	/*
-	 * Num of words to program.
-	 */
-	retval = target_write_u32(target, 0x10000004, count);
-	CHECK_STATUS(retval, "error setting target SRAM parameters.");
-
-	/*
-	 * Write Key.
-	 */
-	retval = target_write_u32(target, 0x10000008, OTP_PROGRAM_KEY);
-	CHECK_STATUS(retval, "error setting target SRAM parameters.");
-
-	/*
-	 * Breakpoint.
-	 */
-	retval = target_write_u32(target, 0x1000000c, 0xfffffffe);
-	CHECK_STATUS(retval, "error setting target SRAM parameters.");
-	if (retval != ERROR_OK)
-		return retval;
-
-	/*
-	 * Program OTP.
-	 */
-	LOG_INFO("Programming OTP offset 0x%08x", offset);
-
-	/*
-	 * passed pc, addr = ROM function, handle breakpoints, not debugging.
-	 */
-	retval = ambiqmicro_exec_command(target, FLASH_PROGRAM_OTP_FROM_SRAM, 0x1000000C);
-	CHECK_STATUS(retval, "error executing ambiqmicro otp program algorithm");
-
-	LOG_INFO("Programming OTP finished.");
-
-	return retval;
-}
-
-
-
-COMMAND_HANDLER(ambiqmicro_handle_mass_erase_command)
-{
-	int i;
-
-	if (CMD_ARGC < 1)
-		return ERROR_COMMAND_SYNTAX_ERROR;
-
-	struct flash_bank *bank;
-	uint32_t retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
-	if (ERROR_OK != retval)
-		return retval;
-
-	if (ambiqmicro_mass_erase(bank) == ERROR_OK) {
-		/* set all sectors as erased */
-		for (i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
-		command_print(CMD_CTX, "ambiqmicro mass erase complete");
-	} else
-		command_print(CMD_CTX, "ambiqmicro mass erase failed");
-
-	return ERROR_OK;
-}
-
-COMMAND_HANDLER(ambiqmicro_handle_page_erase_command)
-{
-	struct flash_bank *bank;
-	uint32_t first, last;
-	uint32_t retval;
-
-	if (CMD_ARGC < 3)
-		return ERROR_COMMAND_SYNTAX_ERROR;
-
-	COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
-	COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
-
-	retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
-	if (ERROR_OK != retval)
-		return retval;
-
-	if (ambiqmicro_erase(bank, first, last) == ERROR_OK)
-		command_print(CMD_CTX, "ambiqmicro page erase complete");
-	else
-		command_print(CMD_CTX, "ambiqmicro page erase failed");
-
-	return ERROR_OK;
-}
-
-
-/**
- * Program the otp block.
- */
-COMMAND_HANDLER(ambiqmicro_handle_program_otp_command)
-{
-	struct flash_bank *bank;
-	uint32_t offset, count;
-	uint32_t retval;
-
-	if (CMD_ARGC < 3)
-		return ERROR_COMMAND_SYNTAX_ERROR;
-
-	COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], offset);
-	COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
-
-	command_print(CMD_CTX, "offset=0x%08x count=%d", offset, count);
-
-	CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
-
-	retval = ambiqmicro_otp_program(bank, offset, count);
-
-	if (retval != ERROR_OK)
-		LOG_ERROR("error check log");
-
-	return ERROR_OK;
-}
-
-
-
-static const struct command_registration ambiqmicro_exec_command_handlers[] = {
-	{
-		.name = "mass_erase",
-		.usage = "<bank>",
-		.handler = ambiqmicro_handle_mass_erase_command,
-		.mode = COMMAND_EXEC,
-		.help = "Erase entire device",
-	},
-	{
-		.name = "page_erase",
-		.usage = "<bank> <first> <last>",
-		.handler = ambiqmicro_handle_page_erase_command,
-		.mode = COMMAND_EXEC,
-		.help = "Erase device pages",
-	},
-	{
-		.name = "program_otp",
-		.handler = ambiqmicro_handle_program_otp_command,
-		.mode = COMMAND_EXEC,
-		.usage = "<bank> <offset> <count>",
-		.help =
-			"Program OTP (assumes you have already written array starting at 0x10000010)",
-	},
-	COMMAND_REGISTRATION_DONE
-};
-static const struct command_registration ambiqmicro_command_handlers[] = {
-	{
-		.name = "ambiqmicro",
-		.mode = COMMAND_EXEC,
-		.help = "ambiqmicro flash command group",
-		.usage = "Support for Ambiq Micro parts.",
-		.chain = ambiqmicro_exec_command_handlers,
-	},
-	COMMAND_REGISTRATION_DONE
-};
-
-struct flash_driver ambiqmicro_flash = {
-	.name = "ambiqmicro",
-	.commands = ambiqmicro_command_handlers,
-	.flash_bank_command = ambiqmicro_flash_bank_command,
-	.erase = ambiqmicro_erase,
-	.protect = ambiqmicro_protect,
-	.write = ambiqmicro_write,
-	.read = default_flash_read,
-	.probe = ambiqmicro_probe,
-	.auto_probe = ambiqmicro_probe,
-	.erase_check = default_flash_blank_check,
-	.protect_check = ambiqmicro_protect_check,
-	.info = get_ambiqmicro_info,
-};


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