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1 | // SPDX-License-Identifier: GPL-2.0+ | |
2 | /* | |
3 | * (C) Copyright 2000 | |
4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
8 | #include <command.h> | |
9 | ||
10 | static int mmc_nspi (const char *); | |
11 | ||
12 | int do_dataflash_mmc_mux (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
13 | { | |
14 | switch (argc) { | |
15 | case 2: /* on / off */ | |
16 | switch (mmc_nspi (argv[1])) { | |
17 | case 0: AT91F_SelectSPI (); | |
18 | break; | |
19 | case 1: AT91F_SelectMMC (); | |
20 | break; | |
21 | } | |
22 | case 1: /* get status */ | |
23 | printf ("Mux is configured to be %s\n", | |
24 | AT91F_GetMuxStatus () ? "MMC" : "SPI"); | |
25 | return 0; | |
26 | default: | |
27 | return CMD_RET_USAGE; | |
28 | } | |
29 | return 0; | |
30 | } | |
31 | ||
32 | static int mmc_nspi (const char *s) | |
33 | { | |
34 | if (strcmp (s, "mmc") == 0) { | |
35 | return 1; | |
36 | } else if (strcmp (s, "spi") == 0) { | |
37 | return 0; | |
38 | } | |
39 | return -1; | |
40 | } | |
41 | ||
42 | U_BOOT_CMD( | |
43 | dataflash_mmc_mux, 2, 1, do_dataflash_mmc_mux, | |
44 | "enable or disable MMC or SPI\n", | |
45 | "[mmc, spi]\n" | |
46 | " - enable or disable MMC or SPI" | |
47 | ); |