From 3d16ad028d69acc581095430d20463ed66f65779 Mon Sep 17 00:00:00 2001 From: Fredrik Thulin Date: Sat, 21 May 2016 13:16:58 +0200 Subject: Add code to access the keystore memory (SPI flash). --- stm-keystore.h | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 stm-keystore.h (limited to 'stm-keystore.h') diff --git a/stm-keystore.h b/stm-keystore.h new file mode 100644 index 0000000..9120340 --- /dev/null +++ b/stm-keystore.h @@ -0,0 +1,57 @@ +/* + * stm-keystore.h + * --------- + * Functions and defines for accessing the keystore memory. + * + * 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. + */ + +#ifndef __STM32_KEYSTORE_H +#define __STM32_KEYSTORE_H + +#include "stm32f4xx_hal.h" +#include "spiflash_n25q128.h" + +/* Pins connected to the FPGA config memory (SPI flash) */ +#define KSM_PROM_CS_N_Pin GPIO_PIN_0 +#define KSM_PROM_CS_N_GPIO_Port GPIOB + +#define KEYSTORE_GPIO_INIT() \ + __GPIOB_CLK_ENABLE(); \ + /* Configure GPIO pin for FPGA config memory chip select : KSM_PROM_CS_N */ \ + gpio_output(KSM_PROM_CS_N_GPIO_Port, KSM_PROM_CS_N_Pin, GPIO_PIN_SET) + + +extern SPI_HandleTypeDef hspi_keystore; + +extern int keystore_check_id(void); +extern int keystore_write_data(uint32_t offset, const uint8_t *buf, const uint32_t len); +extern int keystore_erase_sectors(int num); + +#endif /* __STM32_KEYSTORE_H */ -- cgit v1.2.3