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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- */
- #include <common.h>
- #include <command.h>
- static int mmc_nspi (const char *);
- int do_dataflash_mmc_mux(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const 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:
- return CMD_RET_USAGE;
- }
- 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,
- "enable or disable MMC or SPI\n",
- "[mmc, spi]\n"
- " - enable or disable MMC or SPI"
- );
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