forked from rrcarlosr/Jetpack
49 lines
929 B
C
49 lines
929 B
C
|
/*
|
||
|
|
* (C) Copyright 2000
|
||
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: GPL-2.0+
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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 * 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"
|
||
|
|
);
|