[mynewt-core] 03/05: Add Olimex E407 TRNG support

[utzig]

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utzig pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-core.git

commit 9db8a4d527c6dd7641e1b8516f453c6e819e4f21
Author: Fabio Utzig <ut...@apache.org>
AuthorDate: Thu May 17 11:00:29 2018 -0300

    Add Olimex E407 TRNG support
---
 .../include/bsp/stm32f4xx_hal_conf.h                      |  2 +-
 hw/bsp/olimex_stm32-e407_devboard/src/hal_bsp.c           | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/hw/bsp/olimex_stm32-e407_devboard/include/bsp/stm32f4xx_hal_conf.h 
b/hw/bsp/olimex_stm32-e407_devboard/include/bsp/stm32f4xx_hal_conf.h
index 0b0057f..12e6456 100644
--- a/hw/bsp/olimex_stm32-e407_devboard/include/bsp/stm32f4xx_hal_conf.h
+++ b/hw/bsp/olimex_stm32-e407_devboard/include/bsp/stm32f4xx_hal_conf.h
@@ -75,7 +75,6 @@
 #define HAL_LTDC_MODULE_ENABLED
 #define HAL_PWR_MODULE_ENABLED
 #define HAL_RCC_MODULE_ENABLED
-#define HAL_RNG_MODULE_ENABLED
 #define HAL_RTC_MODULE_ENABLED
 /* #define HAL_SAI_MODULE_ENABLED */
 #define HAL_SD_MODULE_ENABLED
@@ -99,6 +98,7 @@
 #define HAL_IWDG_MODULE_ENABLED
 #define HAL_PWR_MODULE_ENABLED
 #define HAL_RCC_MODULE_ENABLED
+#define HAL_RNG_MODULE_ENABLED
 #define HAL_SPI_MODULE_ENABLED
 #define HAL_TIM_MODULE_ENABLED
 #define HAL_CORTEX_MODULE_ENABLED
diff --git a/hw/bsp/olimex_stm32-e407_devboard/src/hal_bsp.c 
b/hw/bsp/olimex_stm32-e407_devboard/src/hal_bsp.c
index 09b25a2..bda94dd 100644
--- a/hw/bsp/olimex_stm32-e407_devboard/src/hal_bsp.c
+++ b/hw/bsp/olimex_stm32-e407_devboard/src/hal_bsp.c
@@ -25,6 +25,10 @@
 #include "stm32f4xx_hal_dma.h"
 #include "stm32f4xx_hal_adc.h"
 #include "flash_map/flash_map.h"
+#if MYNEWT_VAL(TRNG)
+#include "trng/trng.h"
+#include "trng_stm32/trng_stm32.h"
+#endif
 #if MYNEWT_VAL(UART_0)
 #include "uart/uart.h"
 #include "uart_hal/uart_hal.h"
@@ -48,6 +52,10 @@
 #include "mcu/stm32f4_bsp.h"
 #include "mcu/stm32f4xx_mynewt_hal.h"
 
+#if MYNEWT_VAL(TRNG)
+static struct trng_dev os_bsp_trng;
+#endif
+
 #if MYNEWT_VAL(UART_0)
 struct uart_dev hal_uart0;
 #endif
@@ -376,6 +384,13 @@ hal_bsp_init(void)
     int rc;
 
     (void)rc;
+
+#if MYNEWT_VAL(TRNG)
+    rc = os_dev_create(&os_bsp_trng.dev, "trng", OS_DEV_INIT_KERNEL,
+                       OS_DEV_INIT_PRIO_DEFAULT, stm32_trng_dev_init, NULL);
+    assert(rc == 0);
+#endif
+
 #if MYNEWT_VAL(SPI_0_MASTER)
     rc = hal_spi_init(0, &spi0_cfg, HAL_SPI_TYPE_MASTER);
     assert(rc == 0);

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