Merge pull request #24 from danielinux/stm32-pka

Support for STM32 PKHA

Author: dgarske

arch.mk

@@ -96,3 +96,15 @@ ifeq ($(TARGET),kinetis)
   ##  ECC_EXTRA_OBJS+=./lib/wolfssl/wolfcrypt/src/port/nxp/ksdk_port.o $(KINETIS_DRIVERS)/drivers/fsl_ltc.o
   ##endif
 endif
+
+ifeq ($(TARGET),stm32wb)
+  ifneq ($(PKA),0)
+    ECC_EXTRA_OBJS+= $(STM32CUBE)/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_hal_pka.o  ./lib/wolfssl/wolfcrypt/src/port/st/stm32.o
+    ECC_EXTRA_CFLAGS+=-DWOLFSSL_STM32_PKA -I$(STM32CUBE)/Drivers/STM32WBxx_HAL_Driver/Inc \
+        -Isrc -I$(STM32CUBE)/Drivers/BSP/P-NUCLEO-WB55.Nucleo/ -I$(STM32CUBE)/Drivers/CMSIS/Device/ST/STM32WBxx/Include \
+        -I$(STM32CUBE)/Drivers/STM32WBxx_HAL_Driver/Inc/ \
+        -I$(STM32CUBE)/Drivers/CMSIS/Include \
+		-Ihal \
+	    -DSTM32WB55xx
+  endif
+endif

config/examples/kinetis-k82f.config

@@ -0,0 +1,27 @@
+ARCH?=ARM
+TARGET?=kinetis
+SIGN?=ECC256
+KINETIS?=$(HOME)/src/FRDM-K82F
+KINETIS_CPU?=MK82FN256VLL15
+KINETIS_DRIVERS?=$(KINETIS)/devices/MK82F25615
+KINETIS_CMSIS?=$(HOME)/src/FRDM-K64F/CMSIS
+FREEDOM_E_SDK?=$(HOME)/src/freedom-e-sdk
+DEBUG?=0
+VTOR?=1
+CORTEX_M0?=0
+NO_ASM?=0
+EXT_FLASH?=0
+SPI_FLASH?=0
+ALLOW_DOWNGRADE?=0
+NVM_FLASH_WRITEONCE?=1
+WOLFBOOT_VERSION?=0
+V?=0
+SPMATH?=1
+RAM_CODE?=0
+DUALBANK_SWAP?=0
+IMAGE_HEADER_SIZE?=256
+WOLFBOOT_PARTITION_SIZE?=0x7A000
+WOLFBOOT_SECTOR_SIZE?=0x1000
+WOLFBOOT_PARTITION_BOOT_ADDRESS?=0xA000
+WOLFBOOT_PARTITION_UPDATE_ADDRESS?=0x84000
+WOLFBOOT_PARTITION_SWAP_ADDRESS?=0xff000

config/examples/stm32wb-small.config

@@ -2,3 +2,4 @@ TARGET=stm32wb
 SIGN=ECC256
 WOLFBOOT_PARTITION_BOOT_ADDRESS=0xA000
 WOLFBOOT_PARTITION_SIZE=0x4000
+PKA=1

docs/Targets.md

@@ -94,7 +94,7 @@ Example partitioning on Nucleo-68 board:
 
 - Sector size: 4KB
 - Wolfboot partition size: 32 KB
-- Applicatiobn partition size: 128 KB
+- Application partition size: 128 KB
 
 ```C
 #define WOLFBOOT_SECTOR_SIZE                 0x1000   /* 4 KB */
@@ -260,7 +260,7 @@ reset
 halt
 ```
 
-OpenOCD can be either run in background (to allow remote GDB and monitor terminal connections), or 
+OpenOCD can be either run in background (to allow remote GDB and monitor terminal connections), or
 directly from command line, to execute terminal scripts.
 
 If OpenOCD is running, local TCP port 4444 can be used to access an interactive terminal prompt.
@@ -293,7 +293,7 @@ Upon reboot, wolfboot will elect the best candidate (version 2 in this case) and
 If the accepted candidate image resides on BANK B (like in this case), wolfBoot will perform one bank swap before
 booting.
 
-The bank-swap operation is immediate and a SWAP image is not required  in this case. Fallback mechanism can rely on 
+The bank-swap operation is immediate and a SWAP image is not required  in this case. Fallback mechanism can rely on
 a second choice (older firmware) in the other bank.
 
 
@@ -309,5 +309,3 @@ From another console, connect using gdb, e.g.:
 arm-none-eabi-gdb
 (gdb) target remote:3333
 ```
-
-

hal/stm32wb.c

@@ -20,7 +20,12 @@
  */
 
 #include <stdint.h>
-#include <image.h>
+#include "image.h"
+#ifdef WOLFSSL_STM32_PKA
+#include "stm32wbxx_hal.h"
+PKA_HandleTypeDef hpka = { };
+#endif
+
 /* STM32 WB register configuration */
 
 /* Assembly helpers */
@@ -286,6 +291,11 @@ static void clock_pll_on(void)
 void hal_init(void)
 {
     clock_pll_on();
+#ifdef WOLFSSL_STM32_PKA
+    __HAL_RCC_PKA_CLK_ENABLE();
+    hpka.Instance = PKA;
+    HAL_PKA_Init(&hpka);
+#endif
 }
 
 void hal_prepare_boot(void)
@@ -297,3 +307,26 @@ void hal_prepare_boot(void)
     clock_pll_off();
 }
 
+#ifdef WOLFSSL_STM32_PKA
+
+
+void HAL_PKA_MspInit(PKA_HandleTypeDef* hpka)
+{
+  if(hpka->Instance==PKA)
+  {
+    /* Peripheral clock enable */
+    __HAL_RCC_PKA_CLK_ENABLE();
+  }
+}
+
+/* This value is unused, the function is never called
+ * as long as the timeout is 0xFFFFFFFF.
+ * It is defined here only to avoid a compiler error
+ * for a missing symbol in hal_pka_driver.
+ */
+uint32_t HAL_GetTick(void)
+{
+    return 0;
+}
+
+#endif

lib/wolfssl

@@ -30,8 +30,8 @@
 
 /* UART module */
 #define UART1_PIN_AF 7
-#define UART1_RX_PIN 10 
-#define UART1_TX_PIN 9 
+#define UART1_RX_PIN 10
+#define UART1_TX_PIN 9
 #define UART1 (0x40011000)
 #define UART1_CR1      (*(volatile uint32_t *)(UART1 + 0x00))
 #define UART1_CR2      (*(volatile uint32_t *)(UART1 + 0x04))
@@ -278,7 +278,7 @@ void uart_update_mgr(void)
 
 #define LED_BOOT_PIN (4)
 #define LED_USR_PIN (12)
-void boot_led_on(void)
+static void boot_led_on(void)
 {
     uint32_t reg;
     uint32_t pin = LED_BOOT_PIN;
@@ -290,7 +290,7 @@ void boot_led_on(void)
     GPIOD_BSRR |= (1 << pin);
 }
 
-void boot_led_off(void)
+static void boot_led_off(void)
 {
     GPIOD_BSRR |= (1 << (LED_BOOT_PIN + 16));
 }

test-app/app_stm32f7.c

@@ -29,11 +29,11 @@
 
 #ifdef PLATFORM_stm32wb
 
+volatile uint32_t time_elapsed = 0;
 void main(void) {
     boot_led_on();
     /* Wait for reboot */
     while(1)
         ;
 }
 #endif /** PLATFROM_stm32wb **/
-

test-app/app_stm32wb.c

@@ -8,6 +8,7 @@ ifeq ($(ARCH),)
   KINETIS_DRIVERS?=$(KINETIS)/devices/MK64F12
   KINETIS_CMSIS?=$(KINETIS)/CMSIS
   FREEDOM_E_SDK?=$(HOME)/src/freedom-e-sdk
+  STM32CUBE?=$(HOME)/src/STM32CubeWB/STM32Cube_FW_WB_V1.2.0
   DEBUG?=0
   VTOR?=1
   CORTEX_M0?=0
@@ -31,7 +32,7 @@ endif
 
 
 CONFIG_VARS:= ARCH TARGET SIGN KINETIS KINETIS_CPU KINETIS_DRIVERS \
-	KINETIS_CMSIS FREEDOM_E_SDK DEBUG VTOR CORTEX_M0 NO_ASM EXT_FLASH \
+	KINETIS_CMSIS FREEDOM_E_SDK STM32CUBE DEBUG VTOR CORTEX_M0 NO_ASM EXT_FLASH \
 	SPI_FLASH ALLOW_DOWNGRADE NVM_FLASH_WRITEONCE WOLFBOOT_VERSION V \
 	SPMATH RAM_CODE DUALBANK_SWAP IMAGE_HEADER_SIZE \
 	WOLFBOOT_PARTITION_SIZE WOLFBOOT_SECTOR_SIZE \