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,
-};
