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STM32 hw entropy #2611

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Merged
merged 7 commits into from
Oct 12, 2016
Merged

STM32 hw entropy #2611

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4f1f272
Enable TLS entropy in targets.json for STM32L4 and STM32L0 products
adustm Aug 23, 2016
24832ca
Add random generator for stm32L0 + stm32L4
adustm Aug 25, 2016
5069c73
Add Periphclock enable for L476 products
adustm Aug 29, 2016
e189bc7
Change MBEDTLS_ENTROPY_ALT to device has TRNG
adustm Sep 29, 2016
bda200e
rework after directory moves
adustm Oct 6, 2016
f140559
Add objects.h for L073
adustm Oct 6, 2016
7bb6117
Fix typo
adustm Oct 10, 2016
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82 changes: 0 additions & 82 deletions targets/TARGET_STM/TARGET_STM32F4/trng_api.c
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4 changes: 4 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/objects.h
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,10 @@ struct i2c_s {
I2CName i2c;
};

struct trng_s {
RNG_HandleTypeDef handle;
};

#include "common_objects.h"
#include "gpio_object.h"

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4 changes: 4 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/objects.h
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,10 @@ struct i2c_s {
I2CName i2c;
};

struct trng_s {
RNG_HandleTypeDef handle;
};

#include "common_objects.h"
#include "gpio_object.h"

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4 changes: 4 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L4/TARGET_DISCO_L476VG/objects.h
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,10 @@ struct can_s {
int index;
};

struct trng_s {
RNG_HandleTypeDef handle;
};

#include "common_objects.h"
#include "gpio_object.h"

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4 changes: 4 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L4/TARGET_NUCLEO_L432KC/objects.h
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,10 @@ struct can_s {
int index;
};

struct trng_s {
RNG_HandleTypeDef handle;
};

#include "gpio_object.h"
#include "common_objects.h"

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4 changes: 4 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L4/TARGET_NUCLEO_L476RG/objects.h
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,10 @@ struct can_s {
int index;
};

struct trng_s {
RNG_HandleTypeDef handle;
};

#include "common_objects.h"
#include "gpio_object.h"

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15 changes: 14 additions & 1 deletion targets/TARGET_STM/TARGET_STM32F7/trng_api.c → targets/TARGET_STM/trng_api.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Hardware entropy collector for the STM32F7 family
* Hardware entropy collector for the STM32 families
*
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
Expand All @@ -26,6 +26,7 @@

/** trng_get_byte
* @brief Get one byte of entropy from the RNG, assuming it is up and running.
* @param obj TRNG obj
* @param pointer to the hardware generated random byte.
*/
static void trng_get_byte(trng_t *obj, unsigned char *byte )
Expand All @@ -35,13 +36,25 @@ static void trng_get_byte(trng_t *obj, unsigned char *byte )

void trng_init(trng_t *obj)
{
#if defined(TARGET_STM32L4)
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;

/*Select PLLQ output as RNG clock source */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RNG;
PeriphClkInitStruct.RngClockSelection = RCC_RNGCLKSOURCE_PLL;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
#endif

/* RNG Peripheral clock enable */
__HAL_RCC_RNG_CLK_ENABLE();

/* Initialize RNG instance */
obj->handle.Instance = RNG;
HAL_RNG_Init(&obj->handle);

/* first random number generated after setting the RNGEN bit should not be used */
HAL_RNG_GetRandomNumber(&obj->handle);

}

void trng_free(trng_t *obj)
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10 changes: 5 additions & 5 deletions targets/targets.json
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Original file line number Diff line number Diff line change
Expand Up @@ -915,11 +915,11 @@
"supported_form_factors": ["ARDUINO", "MORPHO"],
"core": "Cortex-M0+",
"default_toolchain": "ARM",
"extra_labels": ["STM", "STM32L0", "STM32L073RZ"],
"extra_labels": ["STM", "STM32L0", "STM32L073RZ", "STM32L073xx"],
"supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
"inherits": ["Target"],
"detect_code": ["0760"],
"device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "TRNG"],
"release_versions": ["2", "5"],
"device_name": "STM32L073RZ"
},
Expand All @@ -943,7 +943,7 @@
"supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
"inherits": ["Target"],
"detect_code": ["0770"],
"device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "CAN", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "CAN", "STDIO_MESSAGES", "TRNG"],
"release_versions": ["2", "5"],
"device_name" : "STM32L432KC"
},
Expand All @@ -955,7 +955,7 @@
"supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
"inherits": ["Target"],
"detect_code": ["0765"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "TRNG"],
"release_versions": ["2", "5"],
"device_name": "stm32l476rg"
},
Expand Down Expand Up @@ -1100,7 +1100,7 @@
"extra_labels": ["STM", "STM32L4", "STM32L476VG"],
"supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
"detect_code": ["0820"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "TRNG"],
"release_versions": ["2", "5"],
"device_name": "stm32l476vg"
},
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