122 lines
3.0 KiB
C
122 lines
3.0 KiB
C
/*
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* Copyright (c) 2012, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of The Linux Foundation nor
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* the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <debug.h>
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#include <string.h>
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#include <app.h>
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#include <platform.h>
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#include <kernel/thread.h>
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#include <err.h>
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#if defined(WITH_LIB_CONSOLE) && defined(DEBUG_CLOCK)
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#include <lib/console.h>
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#include <clock.h>
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static void print_clock_list()
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{
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unsigned i;
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struct clk_lookup *cl;
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unsigned num;
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struct clk_list *clock_list = clk_get_list();
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if(!clock_list)
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return;
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cl = clock_list->clist;
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num = clock_list->num;
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if(!cl || !num)
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return;
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printf("Clock list:\n");
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for(i=0; i < num; i++, cl++)
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{
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printf("%s\n", cl->con_id);
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}
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}
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static int clock_measure(const char *id)
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{
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int ret = NO_ERROR;
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struct clk *cp, *mcp;
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unsigned long rate;
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/* Get clk */
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cp = clk_get(id);
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if(!cp)
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{
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ret = ERR_NOT_VALID;
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goto measure_error;
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}
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/* Get measure clk */
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mcp = clk_get("measure");
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if(!mcp)
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{
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ret = ERR_NOT_VALID;
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goto measure_error;
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}
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/* Set parent clk */
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clk_set_parent(mcp, cp);
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rate = clk_get_rate(mcp);
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printf("Clock %s is running at: %lu Hz.\n", id, rate);
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measure_error:
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return ret;
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}
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static int clock_tests(int argc, cmd_args *argv)
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{
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if (argc < 2) {
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printf("not enough arguments:\n");
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printf("%s <clock-name>\n", argv[0].str);
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printf("%s ?\n", argv[0].str);
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goto out;
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}
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if(argv[1].str[0] == '?')
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print_clock_list();
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else
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clock_measure(argv[1].str);
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out:
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return 0;
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}
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STATIC_COMMAND_START
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{ "test_clock", "Test Clock", &clock_tests },
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STATIC_COMMAND_END(clocktests);
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#endif
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APP_START(clocktests)
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APP_END
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