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| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:45:07 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:36 -0700 |
| commit | 74e53e0e9b7cf78a7e896cf6626f0ca607da5872 (patch) | |
| tree | 3393dedc2ddec5f9988b17328094de1ec946db06 | |
| parent | ad443b72909c4c68be4131f8b7af49fd7a89d793 (diff) | |
| download | u-boot-imx-74e53e0e9b7cf78a7e896cf6626f0ca607da5872.zip u-boot-imx-74e53e0e9b7cf78a7e896cf6626f0ca607da5872.tar.gz u-boot-imx-74e53e0e9b7cf78a7e896cf6626f0ca607da5872.tar.bz2 | |
rockchip: Add a simple 'clock' command
Add a command that displays the PLLs and their current rate.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | arch/arm/mach-rockchip/board.c | 24 |
1 files changed, 24 insertions, 0 deletions
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", + "" +); |