/**************************************************************************** * arch/arm/src/calypso/calypso_heap.c * Initialize memory interfaces of Calypso MCU * * (C) 2010 by Harald Welte * (C) 2011 Stefan Richter * * 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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include #include "up_arch.h" #include "up_internal.h" /**************************************************************************** * Preprocessor Definitions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: up_addregion * * Description: * This function is called right after basics are initialized and right * before IRQ system setup. * ****************************************************************************/ #if CONFIG_MM_REGIONS > 1 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); kmm_addregion((FAR void*)CONFIG_HEAP2_BASE, CONFIG_HEAP2_SIZE); } #endif