1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright 2000
3*4882a593Smuzhiyun * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <command.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun static int mmc_nspi (const char *);
12*4882a593Smuzhiyun
do_dataflash_mmc_mux(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])13*4882a593Smuzhiyun int do_dataflash_mmc_mux (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun switch (argc) {
16*4882a593Smuzhiyun case 2: /* on / off */
17*4882a593Smuzhiyun switch (mmc_nspi (argv[1])) {
18*4882a593Smuzhiyun case 0: AT91F_SelectSPI ();
19*4882a593Smuzhiyun break;
20*4882a593Smuzhiyun case 1: AT91F_SelectMMC ();
21*4882a593Smuzhiyun break;
22*4882a593Smuzhiyun }
23*4882a593Smuzhiyun case 1: /* get status */
24*4882a593Smuzhiyun printf ("Mux is configured to be %s\n",
25*4882a593Smuzhiyun AT91F_GetMuxStatus () ? "MMC" : "SPI");
26*4882a593Smuzhiyun return 0;
27*4882a593Smuzhiyun default:
28*4882a593Smuzhiyun return CMD_RET_USAGE;
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun return 0;
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun
mmc_nspi(const char * s)33*4882a593Smuzhiyun static int mmc_nspi (const char *s)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun if (strcmp (s, "mmc") == 0) {
36*4882a593Smuzhiyun return 1;
37*4882a593Smuzhiyun } else if (strcmp (s, "spi") == 0) {
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun return -1;
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun U_BOOT_CMD(
44*4882a593Smuzhiyun dataflash_mmc_mux, 2, 1, do_dataflash_mmc_mux,
45*4882a593Smuzhiyun "enable or disable MMC or SPI\n",
46*4882a593Smuzhiyun "[mmc, spi]\n"
47*4882a593Smuzhiyun " - enable or disable MMC or SPI"
48*4882a593Smuzhiyun );
49