Mercurial > ecos
changeset 3058:30c28c3ad065
* New package -- Freescale TWR-K40X256 board.
| author | sergeig |
|---|---|
| date | Sun, 30 Oct 2011 20:19:37 +0000 |
| parents | 0196db0acc4f |
| children | 1fbef1fc40eb |
| files | packages/hal/cortexm/kinetis/twr_k40x256/current/ChangeLog packages/hal/cortexm/kinetis/twr_k40x256/current/cdl/hal_cortexm_kinetis_twr_k40x256.cdl packages/hal/cortexm/kinetis/twr_k40x256/current/include/plf_arch.h packages/hal/cortexm/kinetis/twr_k40x256/current/include/plf_intr.h packages/hal/cortexm/kinetis/twr_k40x256/current/include/plf_io.h packages/hal/cortexm/kinetis/twr_k40x256/current/src/twr_k40x256_misc.c |
| diffstat | 6 files changed, 768 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/packages/hal/cortexm/kinetis/twr_k40x256/current/ChangeLog @@ -0,0 +1,32 @@ +2011-08-26 Ilija Kocho <ilijak@siva.com.mk> + + * cdl/hal_cortexm_kinetis_twr_k40x256.cdl: + * include/plf_arch.h: + * include/plf_intr.h: + * include/plf_io.h: + * src/twr_k40x256_misc.c: + New package -- Freescale TWR-K40X256 board. + +//=========================================================================== +// ####GPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 2011 Free Software Foundation, Inc. +// +// This program 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. +// +// This program 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 this program; if not, write to the +// Free Software Foundation, Inc., 51 Franklin Street, +// Fifth Floor, Boston, MA 02110-1301, USA. +// ------------------------------------------- +// ####GPLCOPYRIGHTEND#### +//===========================================================================
new file mode 100644 --- /dev/null +++ b/packages/hal/cortexm/kinetis/twr_k40x256/current/cdl/hal_cortexm_kinetis_twr_k40x256.cdl @@ -0,0 +1,266 @@ +##========================================================================== +## +## hal_cortexm_kinetis_twr_k40x256.cdl +## +## Cortex-M Freescale TWR-K40X256 platform HAL configuration data +## +##========================================================================== +## ####ECOSGPLCOPYRIGHTBEGIN#### +## ------------------------------------------- +## This file is part of eCos, the Embedded Configurable Operating System. +## Copyright (C) 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): Ilija Kocho <ilijak@siva.com.mk> +## Date: 2011-07-05 +## +######DESCRIPTIONEND#### +## +##========================================================================== + +cdl_package CYGPKG_HAL_CORTEXM_KINETIS_TWR_K40X256 { + display "Freescale Kinetis TWR-K40X256 Platform" + parent CYGPKG_HAL_CORTEXM_KINETIS + define_header hal_cortexm_kinetis_twr_k40x256.h + include_dir cyg/hal + hardware + + requires { CYGHWR_HAL_CORTEXM_KINETIS_SUBFAM == 40 } + requires { CYGHWR_HAL_CORTEXM_SYSTICK_CLK_SOURCE == "INTERNAL" } + requires { CYGOPT_HAL_CORTEXM_KINETIS_MCG_REF_EXT_IS == "XTAL" || + CYGOPT_HAL_CORTEXM_KINETIS_MCG_REF_EXT_IS == "RTC" } + requires { CYGHWR_HAL_CORTEXM_KINETIS_FLEXNVM == 1 } + requires { CYGHWR_HAL_CORTEXM_KINETIS_FLASH_NAME == 256 } + requires { CYGHWR_HAL_KINETIS_FLEXRAM_SIZE == 4096 } + + implements CYGINT_IO_SERIAL_FREESCALE_UART3 + implements CYGINT_HAL_FREESCALE_UART3 + implements CYGINT_HAL_CORTEXM_KINETIS_RTC + + + description " + The Freescale TWR K40X256 Platform HAL package provides + the support needed to run eCos on the TWR K40X256 development + system. This package can also be used for other boards that + employ a controller from Kinetis families." + + compile twr_k40x256_misc.c + + define_proc { + puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_cortexm_kinetis_twr_k40x256.h>" + puts $::cdl_header "#define HAL_PLATFORM_CPU \"Cortex-M4\"" + puts $::cdl_header "#define HAL_PLATFORM_BOARD \"Freescale TWR-K40X256\"" + puts $::cdl_header "#define HAL_PLATFORM_EXTRA \"\"" + } + + + cdl_option CYGHWR_HAL_CORTEXM_KINETIS_PLF_XTAL_OR_OSC_FREQ { + display "Platform Reference Clock Frequency" + flavor data + parent CYGOPT_HAL_CORTEXM_KINETIS_MCG_REF_EXT + active_if { CYGOPT_HAL_CORTEXM_KINETIS_MCG_REF_EXT_IS == "OSC" || + CYGOPT_HAL_CORTEXM_KINETIS_MCG_REF_EXT_IS == "XTAL" } + default_value 8000000 + legal_values { 32768 8000000 } + } + + cdl_option CYGHWR_HAL_CORTEXM_KINETIS_PLF_OSC_CAP { + display "Platform requred XTAL || C \[pF\]" + flavor bool + default_value { CYGOPT_HAL_CORTEXM_KINETIS_MCG_REF_EXT_IS == "XTAL" } + parent CYGOPT_HAL_CORTEXM_KINETIS_MCG_REF_EXT + active_if { CYGOPT_HAL_CORTEXM_KINETIS_MCG_REF_EXT_IS == "XTAL" } + requires { CYGHWR_HAL_CORTEXM_KINETIS_OSC_CAP == 0 } + } + + cdl_option CYGHWR_HAL_CORTEXM_KINETIS_PLF_RTC { + display "Platform requred RTC XTAL || C \[pF\]" + flavor bool + default_value 0 + parent CYGHWR_HAL_CORTEXM_KINETIS_RTC + requires { CYGHWR_HAL_CORTEXM_KINETIS_RTC_OSC_CAP == 20 } + } + + cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS { + display "Number of communication channels on the board" + flavor data + legal_values 0 to 2 + default_value 1 + } + + cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL { + display "Debug serial port" + active_if CYGPRI_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL_CONFIGURABLE + flavor data + legal_values 0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1 + default_value 0 + description " + The TWR board has one serial port fitted to RS232 connector. + This optionchooses which port will be used to connect to a host + running GDB." + } + + cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL { + display "Diagnostic serial port" + active_if CYGPRI_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL_CONFIGURABLE + flavor data + legal_values 0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1 + default_value 0 + description " + The TWR has one serial port fitted to RS232 connector. + This option chooses which port will be used for diagnostic output." + } + + cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL_BAUD { + display "Console serial port baud rate" + flavor data + legal_values 9600 19200 38400 57600 115200 + default_value 38400 + description " + This option controls the default baud rate used for the + console connection. + Note: this should match the value chosen for the GDB port if the + diagnostic and GDB port are the same." + } + + cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL_BAUD { + display "GDB serial port baud rate" + flavor data + legal_values 9600 19200 38400 57600 115200 + default_value 38400 + description " + This option controls the default baud rate used for the + GDB connection. + Note: this should match the value chosen for the console + port if the console and GDB port are the same." + } + + cdl_component CYGBLD_GLOBAL_OPTIONS { + display "Global build options" + flavor none + no_define + parent CYGPKG_NONE + description " + Global build options including control over + compiler flags, linker flags and choice of toolchain." + + + cdl_option CYGBLD_GLOBAL_COMMAND_PREFIX { + display "Global command prefix" + flavor data + no_define + default_value { "arm-eabi" } + description " + This option specifies the command prefix used when + invoking the build tools." + } + + cdl_option CYGBLD_GLOBAL_CFLAGS { + display "Global compiler flags" + flavor data + no_define + default_value { CYGBLD_GLOBAL_WARNFLAGS . "-mcpu=cortex-m3 -mthumb -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions" } + description " + This option controls the global compiler flags which are used to + compile all packages by default. Individual packages may define + options which override these global flags." + } + + cdl_option CYGBLD_GLOBAL_LDFLAGS { + display "Global linker flags" + flavor data + no_define + default_value { "-mcpu=cortex-m3 -mthumb -Wl,--gc-sections -Wl,-static -Wl,-n -g -nostdlib" } + description " + This option controls the global linker flags. Individual + packages may define options which override these global flags." + } + } + + cdl_option CYGSEM_HAL_ROM_MONITOR { + display "Behave as a ROM monitor" + flavor bool + default_value 0 + parent CYGPKG_HAL_ROM_MONITOR + requires { CYG_HAL_STARTUP == "ROM" || CYG_HAL_STARTUP == "JTAG" } + requires { CYGDBG_HAL_CRCTABLE_LOCATION == "ROM" } + description " + Enable this option if this program is to be used as a + ROM monitor, i.e. applications will be loaded into RAM on the + board, and this ROM monitor may process exceptions or interrupts + generated from the application. This enables features such as + utilizing a separate interrupt stack when exceptions are generated." + } + + cdl_option CYGSEM_HAL_USE_ROM_MONITOR { + display "Work with a ROM monitor" + flavor booldata + legal_values { "Generic" "GDB_stubs" } + default_value { CYG_HAL_STARTUP == "RAM" ? "GDB_stubs" : 0 } + parent CYGPKG_HAL_ROM_MONITOR + requires { CYG_HAL_STARTUP == "RAM" } + description " + Support can be enabled for different varieties of ROM monitor. + This support changes various eCos semantics such as the encoding + of diagnostic output, or the overriding of hardware interrupt + vectors. + Firstly there is \"Generic\" support which prevents the HAL + from overriding the hardware vectors that it does not use, to + instead allow an installed ROM monitor to handle them. This is + the most basic support which is likely to be common to most + implementations of ROM monitor. + \"GDB_stubs\" provides support when GDB stubs are included in + the ROM monitor or boot ROM." + } + + + cdl_component CYGBLD_HAL_CORTEXM_TWR_MK40X256_GDB_STUBS { + display "Create StubROM SREC and binary files" + active_if CYGBLD_BUILD_COMMON_GDB_STUBS + no_define + calculated 1 + requires { CYG_HAL_STARTUP == "ROM" } + + make -priority 325 { + <PREFIX>/bin/stubrom.srec : <PREFIX>/bin/gdb_module.img + $(OBJCOPY) -O srec $< $@ + } + make -priority 325 { + <PREFIX>/bin/stubrom.bin : <PREFIX>/bin/gdb_module.img + $(OBJCOPY) -O binary $< $@ + } + + description " + This component causes the ELF image generated by the + build process to be converted to S-Record and binary + files." + } +}
new file mode 100644 --- /dev/null +++ b/packages/hal/cortexm/kinetis/twr_k40x256/current/include/plf_arch.h @@ -0,0 +1,63 @@ +#ifndef CYGONCE_HAL_PLF_ARCH_H +#define CYGONCE_HAL_PLF_ARCH_H +//============================================================================= +// +// plf_arch.h +// +// Platform specific architecture overrides +// +//============================================================================= +// ####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 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): ilijak +// Contributor(s): +// Date: 2011-02-05 +// Purpose: TWR-K40X256 platform specific architecture overrides +// Description: +// Usage: #include <cyg/hal/plf_arch.h> +// +//####DESCRIPTIONEND#### +// +//============================================================================= + +#include <pkgconf/hal.h> +#include <pkgconf/hal_cortexm_kinetis_twr_k40x256.h> + + +//============================================================================= + +//----------------------------------------------------------------------------- +// end of plf_arch.h +#endif // CYGONCE_HAL_PLF_ARCH_H
new file mode 100644 --- /dev/null +++ b/packages/hal/cortexm/kinetis/twr_k40x256/current/include/plf_intr.h @@ -0,0 +1,62 @@ +#ifndef CYGONCE_HAL_PLF_INTR_H +#define CYGONCE_HAL_PLF_INTR_H +//============================================================================= +// +// plf_intr.h +// +// Platform specific interrupt overrides +// +//============================================================================= +// ####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 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): ilijak +// Date: 2011-02-05 +// Purpose: TWR-K40X256 platform specific interrupt overrides +// Description: +// Usage: #include <cyg/hal/plf_intr.h> +// +//####DESCRIPTIONEND#### +// +//============================================================================= + +#include <pkgconf/hal.h> +#include <pkgconf/hal_cortexm_kinetis_twr_k40x256.h> + + +//============================================================================= + +//----------------------------------------------------------------------------- +// end of plf_intr.h +#endif // CYGONCE_HAL_PLF_INTR_H
new file mode 100644 --- /dev/null +++ b/packages/hal/cortexm/kinetis/twr_k40x256/current/include/plf_io.h @@ -0,0 +1,91 @@ +#ifndef CYGONCE_HAL_PLF_IO_H +#define CYGONCE_HAL_PLF_IO_H +//============================================================================= +// +// plf_io.h +// +// Platform specific registers +// +//============================================================================= +// ####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 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): ilijak +// Date: 2011-02-05 +// Purpose: TWR-K40X256 platform specific registers +// Description: +// Usage: #include <cyg/hal/plf_io.h> +// +//####DESCRIPTIONEND#### +// +//============================================================================= + +#include <pkgconf/hal.h> +#include <pkgconf/hal_cortexm_kinetis_twr_k40x256.h> + + +// UART PINs + +#ifndef CYGHWR_HAL_FREESCALE_UART3_PIN_RX +# define CYGHWR_HAL_FREESCALE_UART3_PIN_RX CYGHWR_HAL_KINETIS_PIN(C, 16, 3, 0) +# define CYGHWR_HAL_FREESCALE_UART3_PIN_TX CYGHWR_HAL_KINETIS_PIN(C, 17, 3, 0) +# define CYGHWR_HAL_FREESCALE_UART3_PIN_RTS CYGHWR_HAL_KINETIS_PORT_PIN_NONE +# define CYGHWR_HAL_FREESCALE_UART3_PIN_CTS CYGHWR_HAL_KINETIS_PORT_PIN_NONE + +# define CYGHWR_IO_FREESCALE_UART3_PIN_RX CYGHWR_HAL_FREESCALE_UART3_PIN_RX +# define CYGHWR_IO_FREESCALE_UART3_PIN_TX CYGHWR_HAL_FREESCALE_UART3_PIN_TX +# define CYGHWR_IO_FREESCALE_UART3_PIN_RTS CYGHWR_HAL_FREESCALE_UART3_PIN_RTS +# define CYGHWR_IO_FREESCALE_UART3_PIN_CTS CYGHWR_HAL_FREESCALE_UART3_PIN_CTS +#endif + + +//============================================================================= +// Memory access checks. +// +// Accesses to areas not backed by real devices or memory can cause +// the CPU to hang. These macros allow the GDB stubs to avoid making +// accidental accesses to these areas. + +__externC int cyg_hal_stub_permit_data_access( CYG_ADDRESS addr, cyg_uint32 count ); + +#define CYG_HAL_STUB_PERMIT_DATA_READ(_addr_, _count_) cyg_hal_stub_permit_data_access( _addr_, _count_ ) + +#define CYG_HAL_STUB_PERMIT_DATA_WRITE(_addr_, _count_ ) cyg_hal_stub_permit_data_access( _addr_, _count_ ) + +//============================================================================= + + +//----------------------------------------------------------------------------- +// end of plf_io.h +#endif // CYGONCE_HAL_PLF_IO_H
new file mode 100644 --- /dev/null +++ b/packages/hal/cortexm/kinetis/twr_k40x256/current/src/twr_k40x256_misc.c @@ -0,0 +1,254 @@ +//========================================================================== +// +// twr_k40x256_misc.c +// +// Cortex-M4 TWR-K40X256 EVAL HAL functions +// +//========================================================================== +// ####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 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): ilijak +// Contributor(s): +// Date: 2011-02-05 +// Description: +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#include <pkgconf/hal.h> +#include <pkgconf/hal_cortexm.h> +#include <pkgconf/hal_cortexm_kinetis.h> +#include <pkgconf/hal_cortexm_kinetis_twr_k40x256.h> +#ifdef CYGPKG_KERNEL +#include <pkgconf/kernel.h> +#endif + +#include <cyg/infra/diag.h> +#include <cyg/infra/cyg_type.h> +#include <cyg/infra/cyg_trac.h> // tracing macros +#include <cyg/infra/cyg_ass.h> // assertion macros + +#include <cyg/hal/hal_arch.h> // HAL header +#include <cyg/hal/hal_intr.h> // HAL header + +static inline void hal_gpio_init(void); + +// DATA and BSS locations +__externC cyg_uint32 __ram_data_start; +__externC cyg_uint32 __ram_data_end; +__externC cyg_uint32 __rom_data_start; +__externC cyg_uint32 __sram_data_start; +__externC cyg_uint32 __sram_data_end; +__externC cyg_uint32 __srom_data_start; +__externC cyg_uint32 __bss_start; +__externC cyg_uint32 __bss_end; + + +//========================================================================== +// System init +// +// This is run to set up the basic system, including GPIO setting, +// clock feeds, power supply, and memory initialization. This code +// runs before the DATA is copied from ROM and the BSS cleared, hence +// it cannot make use of static variables or data tables. + +__externC void CYGOPT_HAL_KINETIS_MISC_FLASH_SECTION_ATTR +hal_system_init( void ) +{ +#if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_SRAM) + hal_wdog_disable(); + hal_gpio_init(); +#endif +#if defined(CYG_HAL_STARTUP_SRAM) && !defined(CYGHWR_HAL_CORTEXM_KINETIS_SRAM_UNIFIED) + // Note: For CYG_HAL_STARTUP_SRAM, the SRAM_L bank simulates ROM + // Relocate data from ROM to RAM + { + register cyg_uint32 *ram_p, *rom_p; + for( ram_p = &__ram_data_start, rom_p = &__rom_data_start; + ram_p < &__ram_data_end; + ram_p++, rom_p++ ) + *ram_p = *rom_p; + } + + // Relocate data from ROM to SRAM + { + register cyg_uint32 *ram_p, *sram_p; + for( ram_p = &__sram_data_start, sram_p = &__srom_data_start; + ram_p < &__sram_data_end; + ram_p++, sram_p++ ) + *ram_p = *sram_p; + } +#endif +} + +//=========================================================================== +// hal_gpio_init +//=========================================================================== +static inline void CYGOPT_HAL_KINETIS_MISC_FLASH_SECTION_ATTR +hal_gpio_init(void) +{ + cyghwr_hal_kinetis_sim_t *sim_p = CYGHWR_HAL_KINETIS_SIM_P; + cyghwr_hal_kinetis_mpu_t *mpu_p = CYGHWR_HAL_KINETIS_MPU_P; + + // Enable clocks on all ports. + sim_p->scgc1 = CYGHWR_HAL_KINETIS_SIM_SCGC1_ALL_M; + sim_p->scgc2 = CYGHWR_HAL_KINETIS_SIM_SCGC2_ALL_M; + sim_p->scgc3 = CYGHWR_HAL_KINETIS_SIM_SCGC3_ALL_M; + sim_p->scgc4 = CYGHWR_HAL_KINETIS_SIM_SCGC4_ALL_M; + sim_p->scgc5 = CYGHWR_HAL_KINETIS_SIM_SCGC5_ALL_M; + sim_p->scgc6 = CYGHWR_HAL_KINETIS_SIM_SCGC6_ALL_M; + sim_p->scgc7 = CYGHWR_HAL_KINETIS_SIM_SCGC7_ALL_M; + + // Disable MPU + mpu_p->cesr = 0; +} + + + +//========================================================================== + +__externC void hal_platform_init( void ) +{ +} + +//========================================================================== + +#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS + +#include CYGHWR_MEMORY_LAYOUT_H + +//-------------------------------------------------------------------------- +// Accesses to areas not backed by real devices or memory can cause +// the CPU to hang. +// +// The following table defines the memory areas that GDB is allowed to +// touch. All others are disallowed. +// This table needs to be kept up to date with the set of memory areas +// that are available on the board. + +static struct { + CYG_ADDRESS start; // Region start address + CYG_ADDRESS end; // End address (last byte) +} hal_data_access[] = +{ + { CYGMEM_REGION_ram, CYGMEM_REGION_ram+CYGMEM_REGION_ram_SIZE-1 }, // Main RAM +#ifdef CYGMEM_REGION_sram + { CYGMEM_REGION_sram, CYGMEM_REGION_sram+CYGMEM_REGION_sram_SIZE-1 }, // On-chip SRAM +#endif +#ifdef CYGMEM_REGION_flash + { CYGMEM_REGION_flash, CYGMEM_REGION_flash+CYGMEM_REGION_flash_SIZE-1 }, // On-chip flash +#endif +#ifdef CYGMEM_REGION_rom + { CYGMEM_REGION_rom, CYGMEM_REGION_rom+CYGMEM_REGION_rom_SIZE-1 }, // External flash +#endif +#ifdef CYGMEM_REGION_flexnvm + { CYGMEM_REGION_flexnvm, CYGMEM_REGION_flexnvm+CYGMEM_REGION_flexnvm_SIZE-1 }, // On-chip flexnvm (DFlash) +#endif +#ifdef CYGMEM_REGION_flexram + { CYGMEM_REGION_flexram, CYGMEM_REGION_flexram+CYGMEM_REGION_flexram_SIZE-1 }, // On-chip flexram +#endif +#ifdef CYGMEM_REGION_eeeprom0 + { CYGMEM_REGION_eeeprom0, CYGMEM_REGION_eeeprom0+CYGMEM_REGION_eeeprom0_SIZE-1 }, // On-chip Enhanced EEPROM +#endif +#ifdef CYGMEM_REGION_eeeprom1 + { CYGMEM_REGION_eeeprom1, CYGMEM_REGION_eeeprom0+CYGMEM_REGION_eeeprom1_SIZE-1 }, // On-chip Enhanced EEPROM +#endif + { 0xE0000000, 0x00000000-1 }, // Cortex-M peripherals + { 0x40000000, 0x60000000-1 }, // Chip specific peripherals +}; + +__externC int cyg_hal_stub_permit_data_access( CYG_ADDRESS addr, cyg_uint32 count ) +{ + int i; + for( i = 0; i < sizeof(hal_data_access)/sizeof(hal_data_access[0]); i++ ) { + if( (addr >= hal_data_access[i].start) && + (addr+count) <= hal_data_access[i].end) + return true; + } + return false; +} + +#endif // CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS + +//========================================================================== + +#ifdef CYGPKG_REDBOOT +#include <redboot.h> +#include CYGHWR_MEMORY_LAYOUT_H + +//-------------------------------------------------------------------------- +// Memory layout +// +// We report the on-chip SRAM and external SRAM. + +void +cyg_plf_memory_segment(int seg, unsigned char **start, unsigned char **end) +{ + switch (seg) { + case 0: + *start = (unsigned char *)CYGMEM_REGION_ram; + *end = (unsigned char *)(CYGMEM_REGION_ram + CYGMEM_REGION_ram_SIZE); + break; +#ifdef CYGMEM_REGION_sram +#define CASE_CYGMEM_REGION_SRAM 1 + case CASE_CYGMEM_REGION_SRAM: + *start = (unsigned char *)CYGMEM_REGION_sram; + *end = (unsigned char *)(CYGMEM_REGION_sram + CYGMEM_REGION_sram_SIZE); + break; +#else +#define CASE_CYGMEM_REGION_SRAM 0 +#endif +#ifdef CYGMEM_REGION_flexram +#define CASE_CYGMEM_REGION_FLEXRAM (CASE_CYGMEM_REGION_SRAM + 1) + case CASE_CYGMEM_REGION_FLEXRAM: + *start = (unsigned char *)CYGMEM_REGION_flexram; + *end = (unsigned char *)(CYGMEM_REGION_flexram + + CYGMEM_REGION_flexram_SIZE); + break; +#else +#define CASE_CYGMEM_REGION_FLEXRAM (CASE_CYGMEM_REGION_SRAM) +#endif + default: + *start = *end = NO_MEMORY; + break; + } +} // cyg_plf_memory_segment() + +#endif // CYGPKG_REDBOOT + + +//========================================================================== +// EOF twr_k40x256_misc.c