diff options
Diffstat (limited to 'nuttx/arch/arm/src/calypso/calypso_heap.c')
-rw-r--r-- | nuttx/arch/arm/src/calypso/calypso_heap.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/calypso/calypso_heap.c b/nuttx/arch/arm/src/calypso/calypso_heap.c new file mode 100644 index 000000000..70c44da01 --- /dev/null +++ b/nuttx/arch/arm/src/calypso/calypso_heap.c @@ -0,0 +1,84 @@ +/**************************************************************************** + * calypso_heap.c + * Initialize memory interfaces of Calypso MCU + * + * (C) 2010 by Harald Welte <laforge@gnumonks.org> + * (C) 2011 Stefan Richter <ichgeh@l--putt.de> + * + * This source code is derivated from Osmocom-BB project and was + * relicensed as BSD with permission from original authors. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> +#include <debug.h> + +#include <nuttx/arch.h> +#include <arch/board/board.h> + +#include <arch/calypso/clock.h> +#include <arch/calypso/timer.h> + +#include "up_arch.h" +#include "up_internal.h" + +/**************************************************************************** + * Name: up_addregion + * + * Description: + * This function is called right after basics are initialized and right + * before IRQ system setup. + * + ****************************************************************************/ + +void up_addregion(void) +{ +#ifdef CONFIG_ARCH_BOARD_COMPALE99 + /* Disable watchdog in first non-common function */ + wdog_enable(0); +#endif + // XXX: change to initialization of extern memory with save defaults + /* Configure memory interface */ + calypso_mem_cfg(CALYPSO_nCS0, 3, CALYPSO_MEM_16bit, 1); + calypso_mem_cfg(CALYPSO_nCS1, 3, CALYPSO_MEM_16bit, 1); + calypso_mem_cfg(CALYPSO_nCS2, 5, CALYPSO_MEM_16bit, 1); + calypso_mem_cfg(CALYPSO_nCS3, 5, CALYPSO_MEM_16bit, 1); + calypso_mem_cfg(CALYPSO_CS4, 0, CALYPSO_MEM_8bit, 1); + calypso_mem_cfg(CALYPSO_nCS6, 0, CALYPSO_MEM_32bit, 1); + calypso_mem_cfg(CALYPSO_nCS7, 0, CALYPSO_MEM_32bit, 0); + + /* Set VTCXO_DIV2 = 1, configure PLL for 104 MHz and give ARM half of that */ + calypso_clock_set(2, CALYPSO_PLL13_104_MHZ, ARM_MCLK_DIV_2); + + /* Configure the RHEA bridge with some sane default values */ + calypso_rhea_cfg(0, 0, 0xff, 0, 1, 0, 0); +} |