Cezary napisał/a:O ile nie zmienisz w bootloaderze prędkości.
Tak, pewnie prędkość da się zmienić w CFE:
/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* BSP Configuration file File: bsp_config.h
*
* This module contains global parameters and conditional
* compilation settings for building CFE.
*
* Author: Mitch Lichtenberg (mpl@broadcom.com)
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions
* as they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. The "Broadcom Corporation"
* name may not be used to endorse or promote products derived
* from this software without the prior written permission of
* Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR 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), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************* */
#if defined(_BCM96338_)
#define CFG_CPU_SPEED 240000000 /* 240 Mhz in Hz */
#endif
#if defined(_BCM96348_)
#define CFG_CPU_SPEED 240000000 /* 240 Mhz in Hz */
#endif
#if defined(_BCM96358_)
#define CFG_CPU_SPEED 300000000 /* 300 Mhz in Hz */
#define CFG_CMT 1
#endif
#define CFG_INIT_L1 1 /* initialize the L1 cache */
#define CFG_INIT_L2 0 /* there is no L2 cache */
#define CFG_INIT_DRAM 1 /* initialize DRAM controller */
#define CFG_DRAM_SIZE xxx /* size of DRAM if you don't initialize */
/* NOTE : Size is in kilobytes. */
#define CFG_NETWORK 1 /* define to include network support */
#define CFG_FATFS 0
#define CFG_UI 1 /* Define to enable user interface */
#define CFG_MULTI_CPUS 0 /* no multi-cpu support */
#define CFG_HEAP_SIZE 1024 /* heap size in kilobytes */
#define CFG_STACK_SIZE 8192 /* stack size (bytes, rounded up to K) */
#define CFG_SERIAL_BAUD_RATE 115200 /* normal console speed */
#define CFG_VENDOR_EXTENSIONS 0
#define CFG_MINIMAL_SIZE 1
/*
* These parameters control the flash driver's sector buffer.
* If you write environment variables or make small changes to
* flash sectors from user applications, you
* need to have the heap big enough to store a temporary sector
* for merging in small changes to flash sectors, so you
* should set CFG_FLASH_ALLOC_SECTOR_BUFFER in that case.
* Otherwise, you can provide an address in unallocated memory
* of where to place the sector buffer.
*/
#define CFG_FLASH_ALLOC_SECTOR_BUFFER 0 /* '1' to allocate sector buffer from the heap */
#define CFG_FLASH_SECTOR_BUFFER_ADDR (1*1024*1024-128*1024) /* 1MB - 128K */
#define CFG_FLASH_SECTOR_BUFFER_SIZE (128*1024)
/*
* The flash staging buffer is where we store a flash image before we write
* it to the flash. It's too big for the heap.
*/
#define CFG_FLASH_STAGING_BUFFER_ADDR (1*1024*1024)
#define CFG_FLASH_STAGING_BUFFER_SIZE (1*1024*1024)
ale wolę zostać przy standardowych ustawieniach.
