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Diffstat (limited to 'ecos/packages/devs/flash/cortexm/stm32/current/cdl/flash_stm32.cdl')
| -rw-r--r-- | ecos/packages/devs/flash/cortexm/stm32/current/cdl/flash_stm32.cdl | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/ecos/packages/devs/flash/cortexm/stm32/current/cdl/flash_stm32.cdl b/ecos/packages/devs/flash/cortexm/stm32/current/cdl/flash_stm32.cdl new file mode 100644 index 0000000..8ea6719 --- /dev/null +++ b/ecos/packages/devs/flash/cortexm/stm32/current/cdl/flash_stm32.cdl @@ -0,0 +1,132 @@ +## ==================================================================== +## +## flash_stm32.cdl +## +## FLASH memory - Hardware support for STM32 on-chip flash +## +## ==================================================================== +## ####ECOSGPLCOPYRIGHTBEGIN#### +## ------------------------------------------- +## This file is part of eCos, the Embedded Configurable Operating System. +## Copyright (C) 2008, 2011 Free Software Foundation, Inc. +## +## eCos is free software; you can redistribute it and/or modify it under +## the terms of the GNU General Public License as published by the Free +## Software Foundation; either version 2 or (at your option) any later +## version. +## +## eCos is distributed in the hope that it will be useful, but WITHOUT +## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +## for more details. +## +## You should have received a copy of the GNU General Public License +## along with eCos; if not, write to the Free Software Foundation, Inc., +## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +## +## As a special exception, if other files instantiate templates or use +## macros or inline functions from this file, or you compile this file +## and link it with other works to produce a work based on this file, +## this file does not by itself cause the resulting work to be covered by +## the GNU General Public License. However the source code for this file +## must still be made available in accordance with section (3) of the GNU +## General Public License v2. +## +## This exception does not invalidate any other reasons why a work based +## on this file might be covered by the GNU General Public License. +## ------------------------------------------- +## ####ECOSGPLCOPYRIGHTEND#### +## ==================================================================== +######DESCRIPTIONBEGIN#### +## +## Author(s): nickg +## Date: 2008-09-22 +## +#####DESCRIPTIONEND#### +## +## ==================================================================== + +cdl_package CYGPKG_DEVS_FLASH_STM32 { + display "STM32 FLASH memory support" + parent CYGPKG_IO_FLASH + active_if CYGPKG_IO_FLASH + implements CYGHWR_IO_FLASH_DEVICE + + include_dir cyg/io + + compile stm32_flash.c + + description " + Flash memory support for on-chip flash on STM32 devices and compatibles. + This driver implements the V2 flash driver API." + + cdl_option CYGNUM_DEVS_FLASH_STM32_V2_PROGRAM_BURST_SIZE { + display "Number of words to write per burst" + flavor data + default_value 256 + legal_values 4 to 4096 + description " + On typical hardware programming the flash requires disabling + interrupts for an extended period of time. + Some or all of the flash hardware will be unusable while each word + is programmed, and disabling interrupts is the only reliable + way of ensuring that no interrupt handler or other thread will + try to access the flash in the middle of an operation. This + can have a major impact on the real-time responsiveness of + typical applications. To ameliorate this the driver will + perform writes in small bursts, briefly re-enabling the cache + and interrupts between each burst. The number of write operations + per burst is determined by this option: reducing the number of + writes per burst will improve real-time response, but will add + overhead so the actual flash program operation will take + longer; conversely more writes per burst will worsen response + times but reduce overhead." + } + + cdl_option CYGNUM_DEVS_FLASH_STM32_PARALLELISM { + display "Program/erase parallelism" + flavor data + legal_values { 8 16 32 64 } + active_if { ((CYGHWR_HAL_CORTEXM_STM32_FAMILY == "F2") || (CYGHWR_HAL_CORTEXM_STM32_FAMILY == "F4")) } + default_value 32 + description " + The Flash interface of the STM32 F2 and F4 families can program or erase + multiple bits in one step. The maximum possible parallelism depends + on the supply voltage. The default value of this option (32) + corresponds to supply voltage of 2.7 - 3.6V, but another value + may be chosen if a different voltage is used." + } + + cdl_component CYGPKG_DEVS_FLASH_STM32_OPTIONS { + display "STM32 driver build options" + flavor none + description " + Package specific build options including control over + compiler flags used only in building the STM32 + flash driver, and details of which tests are built." + + cdl_option CYGPKG_DEVS_FLASH_STM32_CFLAGS_ADD { + display "Additional compiler flags" + flavor data + no_define + default_value { "" } + description " + This option modifies the set of compiler flags for + building the STM32 flash driver. These flags + are used in addition to the set of global flags." + } + + cdl_option CYGPKG_DEVS_FLASH_STM32_CFLAGS_REMOVE { + display "Suppressed compiler flags" + flavor data + no_define + default_value { "" } + description " + This option modifies the set of compiler flags for + building the STM32 flash driver. These flags + are removed from the set of global flags if present." + } + } +} + +# End of flash_stm32.cdl |