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111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2010 - 2015 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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#include "xparameters.h"
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#include "xil_cache.h"
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#include "platform_config.h"
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/*
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* Uncomment one of the following two lines, depending on the target,
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* if ps7/psu init source files are added in the source directory for
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* compiling example outside of SDK.
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*/
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/*#include "ps7_init.h"*/
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/*#include "psu_init.h"*/
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#ifdef STDOUT_IS_16550
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#include "xuartns550_l.h"
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#define UART_BAUD 9600
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#endif
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void
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enable_caches()
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{
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#ifdef __PPC__
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Xil_ICacheEnableRegion(CACHEABLE_REGION_MASK);
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Xil_DCacheEnableRegion(CACHEABLE_REGION_MASK);
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#elif __MICROBLAZE__
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#ifdef XPAR_MICROBLAZE_USE_ICACHE
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Xil_ICacheEnable();
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#endif
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#ifdef XPAR_MICROBLAZE_USE_DCACHE
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Xil_DCacheEnable();
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#endif
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#endif
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}
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void
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disable_caches()
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{
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#ifdef __MICROBLAZE__
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#ifdef XPAR_MICROBLAZE_USE_DCACHE
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Xil_DCacheDisable();
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#endif
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#ifdef XPAR_MICROBLAZE_USE_ICACHE
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Xil_ICacheDisable();
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#endif
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#endif
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}
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void
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init_uart()
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{
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#ifdef STDOUT_IS_16550
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XUartNs550_SetBaud(STDOUT_BASEADDR, XPAR_XUARTNS550_CLOCK_HZ, UART_BAUD);
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XUartNs550_SetLineControlReg(STDOUT_BASEADDR, XUN_LCR_8_DATA_BITS);
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#endif
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/* Bootrom/BSP configures PS7/PSU UART to 115200 bps */
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}
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void
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init_platform()
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{
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/*
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* If you want to run this example outside of SDK,
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* uncomment one of the following two lines and also #include "ps7_init.h"
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* or #include "ps7_init.h" at the top, depending on the target.
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* Make sure that the ps7/psu_init.c and ps7/psu_init.h files are included
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* along with this example source files for compilation.
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*/
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/* ps7_init();*/
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/* psu_init();*/
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enable_caches();
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init_uart();
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}
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void
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cleanup_platform()
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{
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disable_caches();
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}
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