##
#
# @file
#
# @brief Configure script of LibBSP for the Raspberry Pi boards.
#

AC_PREREQ([2.68])
AC_INIT([rtems-c-src-lib-libbsp-arm-raspberrypi],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
RTEMS_TOP(../../../../../..)
RTEMS_SOURCE_TOP
RTEMS_BUILD_TOP

RTEMS_CANONICAL_TARGET_CPU
AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2])
RTEMS_BSP_CONFIGURE

RTEMS_BSPOPTS_SET([BSP_START_RESET_VECTOR],[*],[])
RTEMS_BSPOPTS_HELP([BSP_START_RESET_VECTOR],[reset vector address for BSP start])

RTEMS_BSPOPTS_SET([BSP_START_IN_HYP_SUPPORT],[*],[1])
RTEMS_BSPOPTS_HELP([BSP_START_IN_HYP_SUPPORT], [Support start of BSP in ARM HYP mode])
AM_CONDITIONAL(BSP_START_IN_HYP_SUPPORT,test "$BSP_START_IN_HYP_SUPPORT" = "1")

RTEMS_BSPOPTS_SET([I2C_IO_MODE],[*],[1])
RTEMS_BSPOPTS_HELP([I2C_IO_MODE],[Define to 1 to use interrupt-driven I/O with the Raspberry Pi I2C bus. If defined to other value the access will be polled-driven.])

RTEMS_BSPOPTS_SET([SPI_IO_MODE],[*],[1])
RTEMS_BSPOPTS_HELP([SPI_IO_MODE],[Define to 1 to use interrupt-driven I/O with the Raspberry Pi SPI bus. If defined to other value the access will be polled-driven.])

# Is this a Raspberry Pi 2?
RTEMS_BSPOPTS_SET([BSP_IS_RPI2],[raspberrypi2],[1])
RTEMS_BSPOPTS_SET([BSP_IS_RPI2],[*],[0])
RTEMS_BSPOPTS_HELP([BSP_IS_RPI2],[Set if the BSP variant is Raspberry Pi 2.])
AM_CONDITIONAL(RTEMS_RPI2,[test "$BSP_IS_RPI2" = "1"])

RPI_RAM_MMU_LENGTH="16k"
RPI_RAM_LENGTH_AVAILABLE="256M"
RPI_RAM_NOCACHE_LENGTH="2M"

AC_DEFUN([RPI_LINKCMD],[
AC_ARG_VAR([$1],[$2; default $3])dnl
[$1]=[$]{[$1]:-[$3]}
])

RPI_LINKCMD([RPI_RAM_MMU_LENGTH],[MMU region length],[${BSP_RPI_RAM_MMU_LENGTH}])
RPI_LINKCMD([RPI_RAM_LENGTH_AVAILABLE],[RAM region length],[${BSP_RPI_RAM_LENGTH_AVAILABLE}])
RPI_LINKCMD([RPI_RAM_NOCACHE_LENGTH],[No-cache region length],[${BSP_RPI_RAM_NOCACHE_LENGTH}])

RTEMS_BSP_CLEANUP_OPTIONS

AC_CONFIG_FILES([
Makefile
linkcmds:../../../../../../bsps/arm/raspberrypi/start/linkcmds.in])
AC_OUTPUT