Add a command that displays the PLLs and their current rate.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/arm/mach-rockchip/board.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c index 380aa91..133d663 100644 --- a/arch/arm/mach-rockchip/board.c +++ b/arch/arm/mach-rockchip/board.c @@ -5,6 +5,7 @@ */
#include <common.h> +#include <clk.h> #include <dm.h> #include <ram.h> #include <asm/io.h> @@ -49,3 +50,26 @@ void enable_caches(void) void lowlevel_init(void) { } + +static int do_clock(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + struct udevice *dev; + + for (uclass_first_device(UCLASS_CLK, &dev); + dev; + uclass_next_device(&dev)) { + ulong rate; + + rate = clk_get_rate(dev); + printf("%s: %lu\n", dev->name, rate); + } + + return 0; +} + +U_BOOT_CMD( + clock, 2, 1, do_clock, + "display information about clocks", + "" +);