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zynq: Implement dump clock command

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Enable and implement dump clock command which shows
soc frequencies.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Soren Brinkmann 2013-11-21 13:39:03 -08:00 • committed by Michal Simek
parent 19605e2e03
commit d6c9bbaad1
2 changed files with 22 additions and 0 deletions
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21
arch/arm/cpu/armv7/zynq/clk.c
View file

@ -6,6 +6,7 @@
*/
#include <common.h>
#include <errno.h>
#include <clk.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/clk.h>
@ -636,3 +637,23 @@ const char *zynq_clk_get_name(enum zynq_clk clk)
{
return clks[clk].name;
}
/**
* soc_clk_dump() - Print clock frequencies
* Returns zero on success
*
* Implementation for the clk dump command.
*/
int soc_clk_dump(void)
{
int i;
printf("clk\t\tfrequency\n");
for (i = 0; i < clk_max; i++) {
const char *name = zynq_clk_get_name(i);
if (name)
printf("%10s%20lu\n", name, zynq_clk_get_rate(i));
}
return 0;
}

1
include/configs/zynq-common.h
View file

@ -164,6 +164,7 @@
#define CONFIG_BOARD_LATE_INIT
#define CONFIG_SYS_LONGHELP
#define CONFIG_CLOCKS
#define CONFIG_CMD_CLK
#define CONFIG_SYS_MAXARGS 15 /* max number of command args */
#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \