zynq: Implement dump clock command

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>

zynq: Implement dump clock command
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>
Soren Brinkmann · Michal Simek
1 parent 19605e2e03
Showing 2 changed files with 22 additions and 0 deletions Side-by-side Diff
arch/arm/cpu/armv7/zynq/clk.c
include/configs/zynq-common.h
@@ -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>
@@ -635,5 +636,25 @@
 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;
 }
@@ -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 + \
...	...	@@ -6,6 +6,7 @@
6	6	*/
7	7	#include <common.h>
8	8	#include <errno.h>
	9	+#include <clk.h>
9	10	#include <asm/io.h>
10	11	#include <asm/arch/hardware.h>
11	12	#include <asm/arch/clk.h>
...	...	@@ -635,5 +636,25 @@
635	636	const char *zynq_clk_get_name(enum zynq_clk clk)
636	637	{
637	638	return clks[clk].name;
	639	+}
	640	+
	641	+/**
	642	+ * soc_clk_dump() - Print clock frequencies
	643	+ * Returns zero on success
	644	+ *
	645	+ * Implementation for the clk dump command.
	646	+ */
	647	+int soc_clk_dump(void)
	648	+{
	649	+ int i;
	650	+
	651	+ printf("clk\t\tfrequency\n");
	652	+ for (i = 0; i < clk_max; i++) {
	653	+ const char *name = zynq_clk_get_name(i);
	654	+ if (name)
	655	+ printf("%10s%20lu\n", name, zynq_clk_get_rate(i));
	656	+ }
	657	+
	658	+ return 0;
638	659	}
...	...	@@ -164,6 +164,7 @@
164	164	#define CONFIG_BOARD_LATE_INIT
165	165	#define CONFIG_SYS_LONGHELP
166	166	#define CONFIG_CLOCKS
	167	+#define CONFIG_CMD_CLK
167	168	#define CONFIG_SYS_MAXARGS 15 /* max number of command args */
168	169	#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
169	170	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \