/*
* bootloader.c
* ------------
* Bootloader to either install new firmware received from the MGMT UART,
* or jump to previously installed firmware.
*
* 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.
*/
#include "stm-init.h"
#include "stm-led.h"
#include "stm-uart.h"
#include "stm-fmc.h"
#include "dfu.h"
/* stub these out to avoid linker error */
void fpgacfg_init(void) { }
void sdram_init(void) { }
void *hal_allocate_static_memory(const size_t size) { return 0; }
/* Linker symbols are strange in C. Make regular pointers for sanity. */
__IO uint32_t *dfu_control = &CRYPTECH_DFU_CONTROL;
__IO uint32_t *dfu_firmware = &CRYPTECH_FIRMWARE_START;
/* The first word in the firmware is an address to the stack (msp) */
__IO uint32_t *dfu_msp_ptr = &CRYPTECH_FIRMWARE_START;
/* The second word in the firmware is a pointer to the code
* (points at the Reset_Handler from the linker script).
*/
__IO uint32_t *dfu_code_ptr = &CRYPTECH_FIRMWARE_START + 1;
typedef void (*pFunction)(void);
/* called from Reset_Handler */
void check_early_dfu_jump(void)
{
/* Check if we've just rebooted in order to jump to the firmware. */
if (*dfu_control == HARDWARE_EARLY_DFU_JUMP) {
*dfu_control = 0;
pFunction loaded_app = (pFunction) *dfu_code_ptr;
/* Set the stack pointer to the correct one for the firmware */
__set_MSP(*dfu_msp_ptr);
/* Set the Vector Table Offset Register */
SCB->VTOR = (uint32_t) dfu_firmware;
loaded_app();
while (1);
}
}
int should_dfu()
{
int i;
uint8_t rx = 0;
/* While blinking the blue LED for 5 seconds, see if we receive a CR on the MGMT UART.
* We've discussed also requiring one or both of the FPGA config jumpers installed
* before allowing DFU of the STM32 - that check could be done here.
*/
led_on(LED_BLUE);
for (i = 0; i < 50; i++) {
HAL_Delay(100);
led_toggle(LED_BLUE);
if (uart_recv_char(&rx, 0) == HAL_OK) {
if (rx == 13) return 1;
}
}
return 0;
}
/* Sleep for specified number of seconds -- used after bad PIN. */
void hal_sleep(const unsigned seconds) { HAL_Delay(seconds * 1000); }
int main(void)
{
int status;
stm_init();
uart_send_string("\r\n\r\nThis is the bootloader speaking...");
if (should_dfu()) {
led_off(LED_BLUE);
if ((status = dfu_receive_firmware()) != 0) {
/* Upload of new firmware failed, reboot after lighting the red LED
* for three seconds.
*/
led_off(LED_BLUE);
led_on(LED_RED);
uart_send_string("dfu_receive_firmware failed: ");
uart_send_hex(status, 2);
uart_send_string("\r\n\r\nRebooting in three seconds\r\n");
HAL_Delay(3000);
HAL_NVIC_SystemReset();
while (1) {};
}
}
/* Set dfu_control to the magic value that will cause the us to call do_early_dfu_jump
* after rebooting back into this main() function.
*/
*dfu_control = HARDWARE_EARLY_DFU_JUMP;
uart_send_string("loading firmware\r\n\r\n");
/* De-initialize hardware by rebooting */
HAL_NVIC_SystemReset();
while (1) {};
}
l&id=283bfbeeb7fb5767815c10ea98bb155638d4bfb3'>283bfbe
|
REM file: implement.bat
REM
REM (c) Copyright 2008 - 2011 Xilinx, Inc. All rights reserved.
REM
REM This file contains confidential and proprietary information
REM of Xilinx, Inc. and is protected under U.S. and
REM international copyright and other intellectual property
REM laws.
REM
REM DISCLAIMER
REM This disclaimer is not a license and does not grant any
REM rights to the materials distributed herewith. Except as
REM otherwise provided in a valid license issued to you by
REM Xilinx, and to the maximum extent permitted by applicable
REM law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND
REM WITH ALL FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES
REM AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING
REM BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, NON-
REM INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and
REM (2) Xilinx shall not be liable (whether in contract or tort,
REM including negligence, or under any other theory of
REM liability) for any loss or damage of any kind or nature
REM related to, arising under or in connection with these
REM materials, including for any direct, or any indirect,
REM special, incidental, or consequential loss or damage
REM (including loss of data, profits, goodwill, or any type of
REM loss or damage suffered as a result of any action brought
REM by a third party) even if such damage or loss was
REM reasonably foreseeable or Xilinx had been advised of the
REM possibility of the same.
REM
REM CRITICAL APPLICATIONS
REM Xilinx products are not designed or intended to be fail-
REM safe, or for use in any application requiring fail-safe
REM performance, such as life-support or safety devices or
REM systems, Class III medical devices, nuclear facilities,
REM applications related to the deployment of airbags, or any
REM other applications that could lead to death, personal
REM injury, or severe property or environmental damage
REM (individually and collectively, "Critical
REM Applications"). Customer assumes the sole risk and
REM liability of any use of Xilinx products in Critical
REM Applications, subject only to applicable laws and
REM regulations governing limitations on product liability.
REM
REM THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS
REM PART OF THIS FILE AT ALL TIMES.
REM
REM -----------------------------------------------------------------------------
REM Script to synthesize and implement the RTL provided for the clocking wizard
REM -----------------------------------------------------------------------------
REM Clean up the results directory
rmdir /S /Q results
mkdir results
REM Copy unisim_comp.v file to results directory
copy %XILINX%\verilog\src\iSE\unisim_comp.v .\results\
REM Synthesize the Verilog Wrapper Files
echo 'Synthesizing Clocking Wizard design with XST'
xst -ifn xst.scr
move clkmgr_dcm_exdes.ngc results\
REM Copy the constraints files generated by Coregen
echo 'Copying files from constraints directory to results directory'
copy ..\example_design\clkmgr_dcm_exdes.ucf results\
cd results
echo 'Running ngdbuild'
ngdbuild -uc clkmgr_dcm_exdes.ucf clkmgr_dcm_exdes
echo 'Running map'
map -timing -pr b clkmgr_dcm_exdes -o mapped.ncd
echo 'Running par'
par -w mapped.ncd routed mapped.pcf
echo 'Running trce'
trce -e 10 routed -o routed mapped.pcf
echo 'Running design through bitgen'
bitgen -w routed
echo 'Running netgen to create gate level model for the clocking wizard example design'
netgen -ofmt verilog -sim -sdf_anno false -tm clkmgr_dcm_exdes -w routed.ncd routed.v
cd ..
|