From: Soren Brinkmann <soren.brinkm...@xilinx.com> Enable and implement dump clock command which shows soc frequencies.
Signed-off-by: Soren Brinkmann <soren.brinkm...@xilinx.com>
Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---
On the top of Zynq clk patches I have sent.
All paches available for testing here
git://git.denx.de/u-boot-microblaze.git
xnext/clk-cmd branch.
For example:
zynq-uboot> clk dump
clk frequency
armpll 1333333320
ddrpll 1066666656
iopll 999999990
cpu_6or4x 666666660
cpu_3or2x 333333330
cpu_2x 222222220
cpu_1x 111111110
ddr_2x 355555552
ddr_3x 533333328
dci 10158730
lqspi 199999998
smc 22222222
pcap 199999998
gem0 25000000
gem1 16666667
fclk0 50000000
fclk1 50000000
fclk2 50000000
fclk3 50000000
sdio0 50000000
sdio1 50000000
uart0 50000000
uart1 50000000
spi0 15873016
spi1 15873016
usb0_aper 111111110
usb1_aper 111111110
gem0_aper 111111110
gem1_aper 111111110
sdio0_aper 111111110
sdio1_aper 111111110
spi0_aper 111111110
spi1_aper 111111110
can0_aper 111111110
can1_aper 111111110
i2c0_aper 111111110
i2c1_aper 111111110
uart0_aper 111111110
uart1_aper 111111110
gpio_aper 111111110
lqspi_aper 111111110
smc_aper 111111110
dbg_trc 66666666
dbg_apb 66666666
arch/arm/cpu/armv7/zynq/clk.c | 21 +++++++++++++++++++++
include/configs/zynq-common.h | 1 +
2 files changed, 22 insertions(+)
diff --git a/arch/arm/cpu/armv7/zynq/clk.c b/arch/arm/cpu/armv7/zynq/clk.c
index ea7a677..6a759a1 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>
@@ -641,3 +642,23 @@ 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;
+}
diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 9666f88..52f1c66 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 + \
--
1.8.2.3
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