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cpu/efm32: efm32zg: add support

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This commit is contained in:
Bas Stottelaar 2018-03-25 19:18:22 +02:00 committed by Benjamin Valentin
parent f1589bc579
commit 03b9f45583
8 changed files with 587 additions and 0 deletions
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3
cpu/efm32/Makefile
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@ -16,6 +16,9 @@ endif
ifneq (,$(filter cpu_efm32pg12b,$(USEMODULE)))
DIRS += families/efm32pg12b
endif
ifneq (,$(filter cpu_efm32zg,$(USEMODULE)))
DIRS += families/efm32zg
endif
ifneq (,$(filter cpu_efr32mg1p,$(USEMODULE)))
DIRS += families/efr32mg1p
endif

6
cpu/efm32/doc.txt
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@ -94,6 +94,12 @@
* @brief Silicon Labs's EFM32PG12B MCUs family implementation
*/
/**
* @defgroup cpu_efm32zg Silicon Labs EFM32ZG family
* @ingroup cpu_efm32
* @brief Silicon Labs's EFM32ZG MCUs family implementation
*/
/**
* @defgroup cpu_efr32mg1p Silicon Labs EFR32MG1P family
* @ingroup cpu_efm32

97
cpu/efm32/families/efm32zg/Kconfig Normal file
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@ -0,0 +1,97 @@
# Copyright (c) 2020 HAW Hamburg
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.
config CPU_FAM_EFM32ZG
bool
select CPU_CORE_CORTEX_M0PLUS
select CPU_COMMON_EFM32
## CPU Models
config CPU_MODEL_EFM32ZG222F16
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG108F8
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG110F16
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG108F32
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG210F4
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG210F32
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG222F8
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG110F4
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG210F16
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG108F4
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG210F8
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG222F32
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG222F4
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG110F32
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG110F8
bool
select CPU_FAM_EFM32ZG
config CPU_MODEL_EFM32ZG108F16
bool
select CPU_FAM_EFM32ZG
## Common CPU symbols
config CPU_FAM
default "efm32zg" if CPU_FAM_EFM32ZG
config CPU_MODEL
default "efm32zg222f16" if CPU_MODEL_EFM32ZG222F16
default "efm32zg108f8" if CPU_MODEL_EFM32ZG108F8
default "efm32zg110f16" if CPU_MODEL_EFM32ZG110F16
default "efm32zg108f32" if CPU_MODEL_EFM32ZG108F32
default "efm32zg210f4" if CPU_MODEL_EFM32ZG210F4
default "efm32zg210f32" if CPU_MODEL_EFM32ZG210F32
default "efm32zg222f8" if CPU_MODEL_EFM32ZG222F8
default "efm32zg110f4" if CPU_MODEL_EFM32ZG110F4
default "efm32zg210f16" if CPU_MODEL_EFM32ZG210F16
default "efm32zg108f4" if CPU_MODEL_EFM32ZG108F4
default "efm32zg210f8" if CPU_MODEL_EFM32ZG210F8
default "efm32zg222f32" if CPU_MODEL_EFM32ZG222F32
default "efm32zg222f4" if CPU_MODEL_EFM32ZG222F4
default "efm32zg110f32" if CPU_MODEL_EFM32ZG110F32
default "efm32zg110f8" if CPU_MODEL_EFM32ZG110F8
default "efm32zg108f16" if CPU_MODEL_EFM32ZG108F16

6
cpu/efm32/families/efm32zg/Makefile Normal file
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@ -0,0 +1,6 @@
MODULE = cpu_efm32zg
# (file triggers compiler bug. see #5775)
SRC_NOLTO += vectors.c
include $(RIOTBASE)/Makefile.base

7
cpu/efm32/families/efm32zg/Makefile.include Normal file
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@ -0,0 +1,7 @@
# Find the header file that should exist if the CPU is supported. Only headers
# for supported boards are included, but to support another CPU, it should be
# as easy as adding the header file only.
EFM32_HEADER = $(wildcard $(RIOTCPU)/efm32/families/efm32zg/include/vendor/$(CPU_MODEL).h)
# include vendor device headers
INCLUDES += -I$(RIOTCPU)/efm32/families/efm32zg/include/vendor

24
cpu/efm32/families/efm32zg/efm32-info.mk Normal file
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@ -0,0 +1,24 @@
# This file is automatically generated, and should not be changed. There is
# probably little reason to edit this file anyway, since it should already
# contain all information for the EFM32ZG family of CPUs.
# The intended usage is to grep for the exact model name, and split by spaces
# to get the required information.
# CPU - Family - Series - Architecture - Flash base - Flash size - SRAM base - SRAM size - Crypto? - TRNG? - Radio?
EFM32_INFO_efm32zg222f16 = 0 cortex-m0plus 0x00000000 0x00004000 0x20000000 0x00001000 0 0 0
EFM32_INFO_efm32zg108f8 = 0 cortex-m0plus 0x00000000 0x00002000 0x20000000 0x00000800 0 0 0
EFM32_INFO_efm32zg110f16 = 0 cortex-m0plus 0x00000000 0x00004000 0x20000000 0x00001000 0 0 0
EFM32_INFO_efm32zg108f32 = 0 cortex-m0plus 0x00000000 0x00008000 0x20000000 0x00001000 0 0 0
EFM32_INFO_efm32zg210f4 = 0 cortex-m0plus 0x00000000 0x00001000 0x20000000 0x00000800 0 0 0
EFM32_INFO_efm32zg210f32 = 0 cortex-m0plus 0x00000000 0x00008000 0x20000000 0x00001000 0 0 0
EFM32_INFO_efm32zg222f8 = 0 cortex-m0plus 0x00000000 0x00002000 0x20000000 0x00000800 0 0 0
EFM32_INFO_efm32zg110f4 = 0 cortex-m0plus 0x00000000 0x00001000 0x20000000 0x00000800 0 0 0
EFM32_INFO_efm32zg210f16 = 0 cortex-m0plus 0x00000000 0x00004000 0x20000000 0x00001000 0 0 0
EFM32_INFO_efm32zg108f4 = 0 cortex-m0plus 0x00000000 0x00001000 0x20000000 0x00000800 0 0 0
EFM32_INFO_efm32zg210f8 = 0 cortex-m0plus 0x00000000 0x00002000 0x20000000 0x00000800 0 0 0
EFM32_INFO_efm32zg222f32 = 0 cortex-m0plus 0x00000000 0x00008000 0x20000000 0x00001000 0 0 0
EFM32_INFO_efm32zg222f4 = 0 cortex-m0plus 0x00000000 0x00001000 0x20000000 0x00000800 0 0 0
EFM32_INFO_efm32zg110f32 = 0 cortex-m0plus 0x00000000 0x00008000 0x20000000 0x00001000 0 0 0
EFM32_INFO_efm32zg110f8 = 0 cortex-m0plus 0x00000000 0x00002000 0x20000000 0x00000800 0 0 0
EFM32_INFO_efm32zg108f16 = 0 cortex-m0plus 0x00000000 0x00004000 0x20000000 0x00001000 0 0 0

375
cpu/efm32/families/efm32zg/system.c Normal file
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@ -0,0 +1,375 @@
/***************************************************************************//**
* @file system_efm32zg.c
* @brief CMSIS Cortex-M0+ System Layer for EFM32ZG devices.
* @version 5.4.0
******************************************************************************
* # License
* <b>Copyright 2017 Silicon Laboratories, Inc. www.silabs.com</b>
******************************************************************************
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software.@n
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.@n
* 3. This notice may not be removed or altered from any source distribution.
*
* DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Laboratories, Inc.
* has no obligation to support this Software. Silicon Laboratories, Inc. is
* providing the Software "AS IS", with no express or implied warranties of any
* kind, including, but not limited to, any implied warranties of
* merchantability or fitness for any particular purpose or warranties against
* infringement of any proprietary rights of a third party.
*
* Silicon Laboratories, Inc. will not be liable for any consequential,
* incidental, or special damages, or any other relief, or for any claim by
* any third party, arising from your use of this Software.
*
*****************************************************************************/
#include <stdint.h>
#include "em_device.h"
/*******************************************************************************
****************************** DEFINES ************************************
******************************************************************************/
/** LFRCO frequency, tuned to below frequency during manufacturing. */
#define EFM32_LFRCO_FREQ (32768UL)
/** ULFRCO frequency. */
#define EFM32_ULFRCO_FREQ (1000UL)
/*******************************************************************************
************************** LOCAL VARIABLES ********************************
******************************************************************************/
/* System oscillator frequencies. These frequencies are normally constant */
/* for a target, but they are made configurable in order to allow run-time */
/* handling of different boards. The crystal oscillator clocks can be set */
/* compile time to a non-default value by defining respective EFM32_nFXO_FREQ */
/* values according to board design. By defining the EFM32_nFXO_FREQ to 0, */
/* one indicates that the oscillator is not present, in order to save some */
/* SW footprint. */
#ifndef EFM32_HFXO_FREQ
/** HFXO frequency. */
#define EFM32_HFXO_FREQ (24000000UL)
#endif
/** Maximum HFRCO frequency. */
#define EFM32_HFRCO_MAX_FREQ (21000000UL)
/* Do not define variable if HF crystal oscillator not present */
#if (EFM32_HFXO_FREQ > 0)
/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
/** System HFXO clock. */
static uint32_t SystemHFXOClock = EFM32_HFXO_FREQ;
/** @endcond (DO_NOT_INCLUDE_WITH_DOXYGEN) */
#endif
#ifndef EFM32_LFXO_FREQ
/** LFXO frequency. */
#define EFM32_LFXO_FREQ (EFM32_LFRCO_FREQ)
#endif
/* Do not define variable if LF crystal oscillator not present */
#if (EFM32_LFXO_FREQ > 0)
/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
/** System LFXO clock. */
static uint32_t SystemLFXOClock = EFM32_LFXO_FREQ;
/** @endcond (DO_NOT_INCLUDE_WITH_DOXYGEN) */
#endif
/*******************************************************************************
************************** GLOBAL VARIABLES *******************************
******************************************************************************/
/**
* @brief
* System System Clock Frequency (Core Clock).
*
* @details
* Required CMSIS global variable that must be kept up-to-date.
*/
uint32_t SystemCoreClock = 14000000UL;
/*******************************************************************************
************************** GLOBAL FUNCTIONS *******************************
******************************************************************************/
/***************************************************************************//**
* @brief
* Get the current core clock frequency.
*
* @details
* Calculate and get the current core clock frequency based on the current
* configuration. Assuming that the SystemCoreClock global variable is
* maintained, the core clock frequency is stored in that variable as well.
* This function will however calculate the core clock based on actual HW
* configuration. It will also update the SystemCoreClock global variable.
*
* @note
* This is an EFM32 proprietary function, not part of the CMSIS definition.
*
* @return
* The current core clock frequency in Hz.
******************************************************************************/
uint32_t SystemCoreClockGet(void)
{
uint32_t ret;
ret = SystemHFClockGet();
ret >>= (CMU->HFCORECLKDIV & _CMU_HFCORECLKDIV_HFCORECLKDIV_MASK)
>> _CMU_HFCORECLKDIV_HFCORECLKDIV_SHIFT;
/* Keep CMSIS variable up-to-date just in case */
SystemCoreClock = ret;
return ret;
}
/***************************************************************************//**
* @brief
* Get the maximum core clock frequency.
*
* @note
* This is an EFR32 proprietary function, not part of the CMSIS definition.
*
* @return
* The maximum core clock frequency in Hz.
******************************************************************************/
uint32_t SystemMaxCoreClockGet(void)
{
#if (EFM32_HFRCO_MAX_FREQ > EFM32_HFXO_FREQ)
return EFM32_HFRCO_MAX_FREQ;
#else
return EFM32_HFXO_FREQ;
#endif
}
/***************************************************************************//**
* @brief
* Get the current HFCLK frequency.
*
* @note
* This is an EFM32 proprietary function, not part of the CMSIS definition.
*
* @return
* The current HFCLK frequency in Hz.
******************************************************************************/
uint32_t SystemHFClockGet(void)
{
uint32_t ret;
switch (CMU->STATUS & (CMU_STATUS_HFRCOSEL | CMU_STATUS_HFXOSEL
| CMU_STATUS_LFRCOSEL | CMU_STATUS_LFXOSEL)) {
case CMU_STATUS_LFXOSEL:
#if (EFM32_LFXO_FREQ > 0)
ret = SystemLFXOClock;
#else
/* We should not get here, since core should not be clocked. May */
/* be caused by a misconfiguration though. */
ret = 0;
#endif
break;
case CMU_STATUS_LFRCOSEL:
ret = EFM32_LFRCO_FREQ;
break;
case CMU_STATUS_HFXOSEL:
#if (EFM32_HFXO_FREQ > 0)
ret = SystemHFXOClock;
#else
/* We should not get here, since core should not be clocked. May */
/* be caused by a misconfiguration though. */
ret = 0;
#endif
break;
default: /* CMU_STATUS_HFRCOSEL */
switch (CMU->HFRCOCTRL & _CMU_HFRCOCTRL_BAND_MASK) {
case CMU_HFRCOCTRL_BAND_21MHZ:
ret = 21000000U;
break;
case CMU_HFRCOCTRL_BAND_14MHZ:
ret = 14000000U;
break;
case CMU_HFRCOCTRL_BAND_11MHZ:
ret = 11000000U;
break;
case CMU_HFRCOCTRL_BAND_7MHZ:
ret = 6600000U;
break;
case CMU_HFRCOCTRL_BAND_1MHZ:
ret = 1200000U;
break;
default:
ret = 0;
break;
}
break;
}
return ret;
}
/**************************************************************************//**
* @brief
* Get high frequency crystal oscillator clock frequency for target system.
*
* @note
* This is an EFM32 proprietary function, not part of the CMSIS definition.
*
* @return
* HFXO frequency in Hz.
*****************************************************************************/
uint32_t SystemHFXOClockGet(void)
{
/* External crystal oscillator present? */
#if (EFM32_HFXO_FREQ > 0)
return SystemHFXOClock;
#else
return 0;
#endif
}
/**************************************************************************//**
* @brief
* Set high frequency crystal oscillator clock frequency for target system.
*
* @note
* This function is mainly provided for being able to handle target systems
* with different HF crystal oscillator frequencies run-time. If used, it
* should probably only be used once during system startup.
*
* @note
* This is an EFM32 proprietary function, not part of the CMSIS definition.
*
* @param[in] freq
* HFXO frequency in Hz used for target.
*****************************************************************************/
void SystemHFXOClockSet(uint32_t freq)
{
/* External crystal oscillator present? */
#if (EFM32_HFXO_FREQ > 0)
SystemHFXOClock = freq;
/* Update core clock frequency if HFXO is used to clock core */
if ((CMU->STATUS & CMU_STATUS_HFXOSEL) != 0U) {
/* The function will update the global variable */
(void)SystemCoreClockGet();
}
#else
(void)freq; /* Unused parameter */
#endif
}
/**************************************************************************//**
* @brief
* Initialize the system.
*
* @details
* Do required generic HW system init.
*
* @note
* This function is invoked during system init, before the main() routine
* and any data has been initialized. For this reason, it cannot do any
* initialization of variables etc.
*****************************************************************************/
void SystemInit(void)
{
}
/**************************************************************************//**
* @brief
* Get low frequency RC oscillator clock frequency for target system.
*
* @note
* This is an EFM32 proprietary function, not part of the CMSIS definition.
*
* @return
* LFRCO frequency in Hz.
*****************************************************************************/
uint32_t SystemLFRCOClockGet(void)
{
/* Currently we assume that this frequency is properly tuned during */
/* manufacturing and is not changed after reset. If future requirements */
/* for re-tuning by user, we can add support for that. */
return EFM32_LFRCO_FREQ;
}
/**************************************************************************//**
* @brief
* Get ultra low frequency RC oscillator clock frequency for target system.
*
* @note
* This is an EFM32 proprietary function, not part of the CMSIS definition.
*
* @return
* ULFRCO frequency in Hz.
*****************************************************************************/
uint32_t SystemULFRCOClockGet(void)
{
/* The ULFRCO frequency is not tuned, and can be very inaccurate */
return EFM32_ULFRCO_FREQ;
}
/**************************************************************************//**
* @brief
* Get low frequency crystal oscillator clock frequency for target system.
*
* @note
* This is an EFM32 proprietary function, not part of the CMSIS definition.
*
* @return
* LFXO frequency in Hz.
*****************************************************************************/
uint32_t SystemLFXOClockGet(void)
{
/* External crystal oscillator present? */
#if (EFM32_LFXO_FREQ > 0)
return SystemLFXOClock;
#else
return 0;
#endif
}
/**************************************************************************//**
* @brief
* Set low frequency crystal oscillator clock frequency for target system.
*
* @note
* This function is mainly provided for being able to handle target systems
* with different HF crystal oscillator frequencies run-time. If used, it
* should probably only be used once during system startup.
*
* @note
* This is an EFM32 proprietary function, not part of the CMSIS definition.
*
* @param[in] freq
* LFXO frequency in Hz used for target.
*****************************************************************************/
void SystemLFXOClockSet(uint32_t freq)
{
/* External crystal oscillator present? */
#if (EFM32_LFXO_FREQ > 0)
SystemLFXOClock = freq;
/* Update core clock frequency if LFXO is used to clock core */
if ((CMU->STATUS & CMU_STATUS_LFXOSEL) != 0U) {
/* The function will update the global variable */
(void)SystemCoreClockGet();
}
#else
(void)freq; /* Unused parameter */
#endif
}

69
cpu/efm32/families/efm32zg/vectors.c Normal file
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@ -0,0 +1,69 @@
/*
* Copyright (C) 2015-2018 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_efm32zg
* @{
*
* @file
* @brief Startup code and interrupt vector definition
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Bas Stottelaar <basstottelaar@gmail.com>
*
* @}
*/
#include "vectors_cortexm.h"
/* define a local dummy handler as it needs to be in the same compilation unit
* as the alias definition */
void dummy_handler(void)
{
dummy_handler_default();
}
/* Silicon Labs specific interrupt vector */
WEAK_DEFAULT void isr_dma(void);
WEAK_DEFAULT void isr_gpio_even(void);
WEAK_DEFAULT void isr_timer0(void);
WEAK_DEFAULT void isr_acmp0(void);
WEAK_DEFAULT void isr_adc0(void);
WEAK_DEFAULT void isr_i2c0(void);
WEAK_DEFAULT void isr_gpio_odd(void);
WEAK_DEFAULT void isr_timer1(void);
WEAK_DEFAULT void isr_usart1_rx(void);
WEAK_DEFAULT void isr_usart1_tx(void);
WEAK_DEFAULT void isr_leuart0(void);
WEAK_DEFAULT void isr_pcnt0(void);
WEAK_DEFAULT void isr_rtc(void);
WEAK_DEFAULT void isr_cmu(void);
WEAK_DEFAULT void isr_vcmp(void);
WEAK_DEFAULT void isr_msc(void);
WEAK_DEFAULT void isr_aes(void);
/* interrupt vector table */
ISR_VECTOR(1) const isr_t vector_cpu[CPU_IRQ_NUMOF] = {
[ 0] = isr_dma, /* DMA */
[ 1] = isr_gpio_even, /* GPIO_EVEN */
[ 2] = isr_timer0, /* TIMER0 */
[ 3] = isr_acmp0, /* ACMP0 */
[ 4] = isr_adc0, /* ADC0 */
[ 5] = isr_i2c0, /* I2C0 */
[ 6] = isr_gpio_odd, /* GPIO_ODD */
[ 7] = isr_timer1, /* TIMER1 */
[ 8] = isr_usart1_rx, /* USART1_RX */
[ 9] = isr_usart1_tx, /* USART1_TX */
[10] = isr_leuart0, /* LEUART0 */
[11] = isr_pcnt0, /* PCNT0 */
[12] = isr_rtc, /* RTC */
[13] = isr_cmu, /* CMU */
[14] = isr_vcmp, /* VCMP */
[15] = isr_msc, /* MSC */
[16] = isr_aes, /* AES */
};