diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 1 | ||||
| -rw-r--r-- | common/cmd_clk.c | 76 | ||||
| -rw-r--r-- | common/cmd_mmc.c | 2 |
3 files changed, 78 insertions, 1 deletions
diff --git a/common/Makefile b/common/Makefile index 37629a7..3b8ef59 100644 --- a/common/Makefile +++ b/common/Makefile @@ -76,6 +76,7 @@ COBJS-$(CONFIG_CMD_BEDBUG) += bedbug.o cmd_bedbug.o COBJS-$(CONFIG_CMD_BMP) += cmd_bmp.o COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o +COBJS-$(CONFIG_CMD_CLOCK) += cmd_clk.o COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o COBJS-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o COBJS-$(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..2f81492 --- /dev/null +++ b/common/cmd_clk.c @@ -0,0 +1,76 @@ +/* + * (C) Copyright 2008-2010 Freescale Semiconductor, Inc. + * Terry Lv + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <command.h> +#include <common.h> +#include <asm/clock.h> + +int do_clkops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int rc = 0; + int freq = 0; + + switch (argc) { + case 1: + clk_info(ALL_CLK); + break; + case 2: + if (strcmp(argv[1], "core") == 0) + clk_info(CPU_CLK); + else if (strcmp(argv[1], "ddr") == 0) + clk_info(DDR_CLK); + else + printf("Unsupported clock type!\n"); + break; + case 3: + freq = simple_strtoul(argv[2], NULL, 10); + if (strcmp(argv[1], "core") == 0) + clk_config(CONFIG_REF_CLK_FREQ, freq, CPU_CLK); + else if (strcmp(argv[1], "ddr") == 0) + clk_config(CONFIG_REF_CLK_FREQ, freq, DDR_CLK); + else + printf("Unsupported clock type!\n"); + break; + default: + rc = 1; + printf("Too much parameters.\n"); + printf("Usage:\n%s\n", cmdtp->usage); + break; + } + + return rc; +} + +U_BOOT_CMD( + clk, 3, 1, do_clkops, + "Clock sub system", + "Setup/Display clock\n" + "clk - Display all clocks\n" + "clk core <core clock in MHz> - Setup/Display core clock\n" + "clk ddr <DDR clock in MHz> - Setup/Display DDR clock\n" + "Example:\n" + "clk - Show various clocks\n" + "clk core 665 - Set core clock to 665MHz\n" + "clk ddr 166 - Set DDR clock to 166MHz"); + diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index b8d494b..cd7d16f 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -179,7 +179,7 @@ int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo, - "mmcinfo <dev num>-- display MMC info\n", + "mmcinfo <dev num>-- display MMC info", "" ); |