diff options
| -rw-r--r-- | common/Makefile | 1 | ||||
| -rw-r--r-- | common/cmd_dataflash_mmc_mux.c | 65 |
2 files changed, 66 insertions, 0 deletions
diff --git a/common/Makefile b/common/Makefile index a42440a..e2d2f45 100644 --- a/common/Makefile +++ b/common/Makefile @@ -72,6 +72,7 @@ COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o COBJS-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o +COBJS-$(CONFIG_DATAFLASH_MMC_SELECT) += cmd_dataflash_mmc_mux.o COBJS-$(CONFIG_CMD_DATE) += cmd_date.o ifdef CONFIG_4xx COBJS-$(CONFIG_CMD_SETGETDCR) += cmd_dcr.o diff --git a/common/cmd_dataflash_mmc_mux.c b/common/cmd_dataflash_mmc_mux.c new file mode 100644 index 0000000..4b2cf1c --- /dev/null +++ b/common/cmd_dataflash_mmc_mux.c @@ -0,0 +1,65 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 <common.h> +#include <command.h> + +static int mmc_nspi (const char *); + +int do_dataflash_mmc_mux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + switch (argc) { + case 2: /* on / off */ + switch (mmc_nspi (argv[1])) { + case 0: AT91F_SelectSPI (); + break; + case 1: AT91F_SelectMMC (); + break; + } + case 1: /* get status */ + printf ("Mux is configured to be %s\n", + AT91F_GetMuxStatus () ? "MMC" : "SPI"); + return 0; + default: + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + return 0; +} + +static int mmc_nspi (const char *s) +{ + if (strcmp (s, "mmc") == 0) { + return 1; + } else if (strcmp (s, "spi") == 0) { + return 0; + } + return -1; +} + +U_BOOT_CMD( + dataflash_mmc_mux, 2, 1, do_dataflash_mmc_mux, + "dataflash_mmc_mux\t- enable or disable MMC or SPI\n", + "[mmc, spi]\n" + " - enable or disable MMC or SPI\n" +); |