From: Soren Brinkmann soren.brinkmann@xilinx.com
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 --- 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