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>
diff --git a/arch/arm/cpu/armv7/zynq/clk.c b/arch/arm/cpu/armv7/zynq/clk.c
index 0891a23..4307111 100644
--- a/arch/arm/cpu/armv7/zynq/clk.c
+++ b/arch/arm/cpu/armv7/zynq/clk.c
@@ -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 @@
{
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;
+}
diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 406ccaf..d6dc745 100644
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -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 + \