/*
* mgmt-bootloader.c
* -----------------
* CLI code for updating the bootloader.
*
* Copyright (c) 2016, NORDUnet A/S All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - 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.
*
* - Neither the name of the NORDUnet 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.
*/
/* Rename both CMSIS HAL_OK and libhal HAL_OK to disambiguate */
#define HAL_OK CMSIS_HAL_OK
#include "stm-init.h"
#include "stm-uart.h"
#include "stm-flash.h"
#include "stm-fpgacfg.h"
#include "mgmt-cli.h"
#include "mgmt-misc.h"
#include "mgmt-bootloader.h"
#undef HAL_OK
#define HAL_OK LIBHAL_OK
#include "hal.h"
#undef HAL_OK
extern hal_user_t user;
static uint32_t dfu_offset;
static int _flash_write_callback(uint8_t *buf, size_t len)
{
stm_flash_write32(dfu_offset, (uint32_t *)buf, sizeof(buf)/4);
dfu_offset += DFU_UPLOAD_CHUNK_SIZE;
return 1;
}
static int cmd_bootloader_upload(struct cli_def *cli, const char *command, char *argv[], int argc)
{
if (user < HAL_USER_SO) {
cli_print(cli, "Permission denied.");
return CLI_ERROR;
}
/* JP7 and JP8 must be installed in order to reprogram the FPGA.
* We extend this to an enabling mechanism for reflashing the firmware.
* Unfortunately, we can't read JP7 and JP8 directly, as that just gives
* us the last things written to them, so we see if we can read the
* FPGA configuration memory.
*/
fpgacfg_access_control(ALLOW_ARM);
if (fpgacfg_check_id() != 1) {
cli_print(cli, "ERROR: Check that jumpers JP7 and JP8 are installed.");
return CLI_ERROR;
}
uint8_t buf[DFU_UPLOAD_CHUNK_SIZE];
dfu_offset = DFU_BOOTLOADER_ADDR;
cli_receive_data(cli, buf, sizeof(buf), _flash_write_callback);
cli_print(cli, "DFU offset now: %li (%li chunks)", dfu_offset, dfu_offset / DFU_UPLOAD_CHUNK_SIZE);
return CLI_OK;
}
void configure_cli_bootloader(struct cli_def *cli)
{
cli_command_root(bootloader);
cli_command_node(bootloader, upload, "Upload new bootloader image");
}
