[U-Boot] [RFC PATCH 1/2] common: Add new clk command
Stefano Babic
sbabic at denx.de
Wed Jan 22 13:46:48 CET 2014
Hi Michal,
On 22/01/2014 12:02, Michal Simek wrote:
> Command provides just dump subcommand for showing clock frequencies
> in a soc.
>
i.MXes has already an own command for this functionality - see command
"clocks" in arch/arm. However, I like that we can have a common
command for all SOCs.
> Signed-off-by: Michal Simek <michal.simek at xilinx.com> ---
>
> README | 1 + common/Makefile | 1 +
> common/cmd_clk.c | 51
> ++++++++++++++++++++++++++++++++++++++++++++++++ include/clk.h
> | 6 ++++++ include/config_cmd_all.h | 1 + 5 files changed, 60
> insertions(+) create mode 100644 common/cmd_clk.c create mode
> 100644 include/clk.h
>
> diff --git a/README b/README index aea82be..0087649 100644 ---
> a/README +++ b/README @@ -887,6 +887,7 @@ The following options
> need to be configured: CONFIG_CMD_BSP * Board specific commands
> CONFIG_CMD_BOOTD bootd CONFIG_CMD_CACHE * icache, dcache +
> CONFIG_CMD_CLK * clock command support CONFIG_CMD_CONSOLE
> coninfo CONFIG_CMD_CRC32 * crc32 CONFIG_CMD_DATE * support for
> RTC, date/time... diff --git a/common/Makefile b/common/Makefile
> index d12cba5..a000e7d 100644 --- a/common/Makefile +++
> b/common/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_CMD_BOOTLDR) +=
> cmd_bootldr.o obj-$(CONFIG_CMD_BOOTSTAGE) += cmd_bootstage.o
> obj-$(CONFIG_CMD_CACHE) += cmd_cache.o obj-$(CONFIG_CMD_CBFS) +=
> cmd_cbfs.o +obj-$(CONFIG_CMD_CLK) += cmd_clk.o
> obj-$(CONFIG_CMD_CONSOLE) += cmd_console.o
> obj-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o
> obj-$(CONFIG_DATAFLASH_MMC_SELECT) += cmd_dataflash_mmc_mux.o diff
> --git a/common/cmd_clk.c b/common/cmd_clk.c new file mode 100644
> index 0000000..6d3d46a --- /dev/null +++ b/common/cmd_clk.c @@ -0,0
> +1,51 @@ +/* + * Copyright (C) 2013 Xilinx, Inc. + * + *
> SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h>
> +#include <command.h> +#include <clk.h> + +int __weak
> soc_clk_dump(void) +{ + puts("Not implemented\n"); + return 1; +}
> + +static int do_clk_dump(cmd_tbl_t *cmdtp, int flag, int argc, +
> char *const argv[]) +{ + return soc_clk_dump(); +} + +static
> cmd_tbl_t cmd_clk_sub[] = { + U_BOOT_CMD_MKENT(dump, 1, 1,
> do_clk_dump, "", ""), +}; +
Do you plan to extend the list with new functionalities ? IMHO we
should do it when we really need, that is when we will need at least a
second subcommand.
Best regards,
Stefano Babic
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