add dataflash mmc mux missing support

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

diff --git a/common/Makefile b/common/Makefile
index a42440a90c35db85f8ed954044c952bde0192a7e..e2d2f450ef4f1b7fb97608b68fbd38914b6b37cc 100644 (file)
--- a/common/Makefile
+++ b/common/Makefile
@@ -72,6 +72,7 @@ COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o
 COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o
 COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o
 COBJS-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o
+COBJS-$(CONFIG_DATAFLASH_MMC_SELECT) += cmd_dataflash_mmc_mux.o
 COBJS-$(CONFIG_CMD_DATE) += cmd_date.o
 ifdef CONFIG_4xx
 COBJS-$(CONFIG_CMD_SETGETDCR) += cmd_dcr.o

diff --git a/common/cmd_dataflash_mmc_mux.c b/common/cmd_dataflash_mmc_mux.c
new file mode 100644 (file)
index 0000000..4b2cf1c
--- /dev/null
+++ b/common/cmd_dataflash_mmc_mux.c
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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 *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:
+               printf ("Usage:\n%s\n", cmdtp->usage);
+               return 1;
+       }
+       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,
+       "dataflash_mmc_mux\t- enable or disable MMC or SPI\n",
+       "[mmc, spi]\n"
+       "    - enable or disable MMC or SPI\n"
+);