Various items for STM32WB55

Author: dgarske

arch.mk

@@ -43,6 +43,11 @@ ifeq ($(ARCH),ARM)
     SPI_TARGET=stm32
   endif
 
+  ifeq ($(TARGET),stm32wb)
+    ARCH_FLASH_OFFSET=0x08000000
+    SPI_TARGET=stm32
+  endif
+
   ## Cortex-M CPU
   ifeq ($(CORTEX_M0),1)
     CFLAGS+=-mcpu=cortex-m0

config/examples/stm32wb.config

@@ -0,0 +1,10 @@
+TARGET=stm32wb
+SIGN=ECC256
+WOLFBOOT_SECTOR_SIZE?=0x1000
+WOLFBOOT_PARTITION_SIZE?=0x20000
+WOLFBOOT_PARTITION_BOOT_ADDRESS?=0x8000
+WOLFBOOT_PARTITION_UPDATE_ADDRESS?=0x28000
+WOLFBOOT_PARTITION_SWAP_ADDRESS?=0x48000
+NVM_FLASH_WRITEONCE=1
+PKA=0
+WOLFTPM=1

config/openocd/openocd_stm32wbx.cfg

@@ -0,0 +1,8 @@
+source [find interface/stlink.cfg]
+source [find target/stm32wbx.cfg]
+$_TARGETNAME configure -event reset-init {
+    mmw 0xe0042004 0x7 0x0
+}
+init
+reset
+halt

docs/Targets.md

@@ -88,6 +88,7 @@ Compile with:
 
 `make TARGET=stm32g0 NVM_FLASH_WRITEONCE=1`
 
+
 ## STM32WB55
 
 Example partitioning on Nucleo-68 board:
@@ -115,6 +116,30 @@ Compile with:
 
 `make TARGET=stm32wb NVM_FLASH_WRITEONCE=1`
 
+### Loading the firmware
+
+`openocd --file ./config/openocd/openocd_stm32wbx.cfg`
+
+```
+telnet localhost 4444
+flash write_image unlock erase wolfboot.bin 0x08000000
+flash verify_bank 0 wolfboot.bin
+flash write_image unlock erase test-app/image_v1_signed.bin 0x080008000
+flash verify_bank 0 test-app/image_v1_signed.bin 0x080008000
+reset
+```
+
+### Debugging
+
+Use `make DEBUG=1` and reload firmware.
+
+```
+arm-none-eabi-gdb wolfboot.elf -ex "set remotetimeout 240" -ex "target extended-remote localhost:3333"
+(gdb) add-symbol-file test-app/image.elf 0x8000
+(gdb) add-symbol-file wolfboot.elf 0x0
+```
+
+
 ## SiFive HiFive1 RISC-V
 
 ### Features
@@ -367,9 +392,8 @@ telnet localhost 4444
 flash write_image unlock erase wolfboot.bin 0x08000000
 flash verify_bank 0 wolfboot.bin
 flash write_image unlock erase test-app/image_v1_signed.bin 0x08020000
-flash verify_bank 0 test-app/image_v1_signed.bin 0x20000
+flash verify_bank 0 test-app/image_v1_signed.bin 0x08020000
 reset
-resume 0x08000000
 ```
 
 To sign the same application image as new version (2), use the python script `sign.py` provided:

hal/spi/spi_drv_stm32.h

@@ -44,9 +44,10 @@
 #define GPIOC_BASE (0x48000800)
 #define GPIOD_BASE (0x48000C00)
 
+/* STM32WB55 NUCLEO: CN9: D13=SCK, D12=MISO, D11=MOSI, FLASHCS=D10, TPMCS=D9 */
 #define SPI_CS_GPIO GPIOA_BASE
 #define SPI_CS_FLASH 4 /* Flash CS connected to GPIOA4 */
-#define SPI_CS_TPM   0 /* TPM CS connected to GPIOA0 */
+#define SPI_CS_TPM   9 /* TPM CS connected to GPIOA9 */
 #define SPI1_PIN_AF    5 /* Alternate function for SPI pins */
 #define SPI1_CLOCK_PIN 5 /* SPI_SCK: PA5  */
 #define SPI1_MISO_PIN  6 /* SPI_MISO PA6  */