From 7717af9e29c34d30a3e7b9ddfccfc55eeb27d10c Mon Sep 17 00:00:00 2001 From: Aksel Skauge Mellbye Date: Mon, 27 Mar 2017 11:44:06 +0100 Subject: [PATCH] Add flash API support --- .../TARGET_EFM32/common/objects.h | 5 + .../TARGET_EFM32/flash_api.c | 138 ++++++++++++++++++ targets/targets.json | 16 +- 3 files changed, 151 insertions(+), 8 deletions(-) create mode 100644 targets/TARGET_Silicon_Labs/TARGET_EFM32/flash_api.c diff --git a/targets/TARGET_Silicon_Labs/TARGET_EFM32/common/objects.h b/targets/TARGET_Silicon_Labs/TARGET_EFM32/common/objects.h index 44e3b98310..295ca48d3a 100644 --- a/targets/TARGET_Silicon_Labs/TARGET_EFM32/common/objects.h +++ b/targets/TARGET_Silicon_Labs/TARGET_EFM32/common/objects.h @@ -147,6 +147,11 @@ typedef enum { } sleepstate_enum; #endif +#if DEVICE_FLASH +struct flash_s { + MSC_TypeDef *msc; +}; +#endif #if DEVICE_TRNG struct trng_s { diff --git a/targets/TARGET_Silicon_Labs/TARGET_EFM32/flash_api.c b/targets/TARGET_Silicon_Labs/TARGET_EFM32/flash_api.c new file mode 100644 index 0000000000..ad9aa10fcd --- /dev/null +++ b/targets/TARGET_Silicon_Labs/TARGET_EFM32/flash_api.c @@ -0,0 +1,138 @@ +/***************************************************************************//** + * @file flash_api.c + ******************************************************************************* + * @section License + * Copyright 2017 Silicon Laboratories, Inc. http://www.silabs.com + ******************************************************************************* + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +#include "device.h" +#if DEVICE_FLASH + +#include "flash_api.h" +#include "em_msc.h" + +/** Initialize the flash peripheral and the flash_t object + * + * @param obj The flash object + * @return 0 for success, -1 for error + */ +int32_t flash_init(flash_t *obj) +{ + (void)obj; + return 0; +} + +/** Uninitialize the flash peripheral and the flash_t object + * + * @param obj The flash object + * @return 0 for success, -1 for error + */ +int32_t flash_free(flash_t *obj) +{ + (void)obj; + return 0; +} + +/** Erase one sector starting at defined address + * + * The address should be at sector boundary. This function does not do any check for address alignments + * @param obj The flash object + * @param address The sector starting address + * @return 0 for success, -1 for error + */ +int32_t flash_erase_sector(flash_t *obj, uint32_t address) +{ + (void)obj; + MSC_Status_TypeDef mscStatus = MSC_ErasePage((uint32_t *)address); + + return (mscStatus == mscReturnOk) ? 0 : -1; +} + +/** Program one page starting at defined address + * + * The page should be at page boundary, should not cross multiple sectors. + * This function does not do any check for address alignments or if size is aligned to a page size. + * @param obj The flash object + * @param address The sector starting address + * @param data The data buffer to be programmed + * @param size The number of bytes to program + * @return 0 for success, -1 for error + */ +int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size) +{ + (void)obj; + MSC_Status_TypeDef mscStatus = MSC_WriteWord((uint32_t *)address, data, size); + + return (mscStatus == mscReturnOk) ? 0 : -1; +} + +/** Get sector size + * + * @param obj The flash object + * @param address The sector starting address + * @return The size of a sector + */ +uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address) +{ + (void)obj; + (void)address; + + if (address < FLASH_BASE || address >= FLASH_BASE + FLASH_SIZE) { + // Address outside of flash -- invalid sector + return MBED_FLASH_INVALID_SIZE; + } + + return FLASH_PAGE_SIZE; +} + +/** Get page size + * + * @param obj The flash object + * @param address The page starting address + * @return The size of a page + */ +uint32_t flash_get_page_size(const flash_t *obj) +{ + (void)obj; + return FLASH_PAGE_SIZE; +} + +/** Get start address for the flash region + * + * @param obj The flash object + * @return The start address for the flash region + */ +uint32_t flash_get_start_address(const flash_t *obj) +{ + (void)obj; + return FLASH_BASE; +} + +/** Get the flash region size + * + * @param obj The flash object + * @return The flash region size + */ +uint32_t flash_get_size(const flash_t *obj) +{ + (void)obj; + return FLASH_SIZE; +} + +#endif // DEVICE_FLASH diff --git a/targets/targets.json b/targets/targets.json index 3a6f18c4ad..947f21f09c 100644 --- a/targets/targets.json +++ b/targets/targets.json @@ -2052,7 +2052,7 @@ "EFM32GG_STK3700": { "inherits": ["EFM32GG990F1024"], "progen": {"target": "efm32gg-stk"}, - "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"], + "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"], "forced_reset_timeout": 2, "config": { "hf_clock_src": { @@ -2105,7 +2105,7 @@ }, "EFM32LG_STK3600": { "inherits": ["EFM32LG990F256"], - "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"], + "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"], "forced_reset_timeout": 2, "device_name": "EFM32LG990F256", "config": { @@ -2160,7 +2160,7 @@ "EFM32WG_STK3800": { "inherits": ["EFM32WG990F256"], "progen": {"target": "efm32wg-stk"}, - "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"], + "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"], "forced_reset_timeout": 2, "config": { "hf_clock_src": { @@ -2321,7 +2321,7 @@ }, "EFM32PG_STK3401": { "inherits": ["EFM32PG1B100F256GM32"], - "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"], + "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"], "forced_reset_timeout": 2, "config": { "hf_clock_src": { @@ -2384,7 +2384,7 @@ }, "EFR32MG1_BRD4150": { "inherits": ["EFR32MG1P132F256GM48"], - "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"], + "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"], "forced_reset_timeout": 2, "config": { "hf_clock_src": { @@ -2427,7 +2427,7 @@ }, "TB_SENSE_1": { "inherits": ["EFR32MG1P233F256GM48"], - "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"], + "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "FLASH"], "forced_reset_timeout": 5, "config": { "hf_clock_src": { @@ -2474,7 +2474,7 @@ }, "EFM32PG12_STK3402": { "inherits": ["EFM32PG12B500F1024GL125"], - "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"], + "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG", "FLASH"], "forced_reset_timeout": 2, "config": { "hf_clock_src": { @@ -2526,7 +2526,7 @@ }, "TB_SENSE_12": { "inherits": ["EFR32MG12P332F1024GL125"], - "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"], + "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG", "FLASH"], "forced_reset_timeout": 5, "config": { "hf_clock_src": {