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cmd/dataflash_mmc_mux.c
926 Bytes
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// SPDX-License-Identifier: GPL-2.0+ |
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/* * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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*/ #include <common.h> #include <command.h> static int mmc_nspi (const char *); |
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int do_dataflash_mmc_mux (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ 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 ", AT91F_GetMuxStatus () ? "MMC" : "SPI"); return 0; default: |
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return CMD_RET_USAGE; |
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} 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, |
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"enable or disable MMC or SPI ", |
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"[mmc, spi] " |
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" - enable or disable MMC or SPI" |
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); |