[U-Boot] [PATCH 05/13] add dataflash mmc mux missing support

Jean-Christophe PLAGNIOL-VILLARD
2009-03-27T22:30:18Z

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
common/Makefile | 1 +
common/cmd_dataflash_mmc_mux.c | 65 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 66 insertions(+), 0 deletions(-)
create mode 100644 common/cmd_dataflash_mmc_mux.c

diff --git a/common/Makefile b/common/Makefile
index 23171ca..b6f36c9 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -70,6 +70,7 @@ 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
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 at 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"
+);
--
1.6.2.1