/* * (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" );