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authorBob Liu <lliubbo@gmail.com>2013-02-05 19:05:41 +0800
committerSonic Zhang <sonic.zhang@analog.com>2013-05-13 16:26:12 +0800
commit7d861d95a315852532d581884b3b72536c25032c (patch)
treed3f844e5c0cd5a8b5faafffb961a70faae497fb5 /common/cmd_softswitch.c
parente7b9aa96b15c589ba0e5236be9bbadd69c8bcace (diff)
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blackfin: bf609: add softswitch config command
Add softswitch_output command for bf609-ezkit to enable softswitches. Signed-off-by: Bob Liu <lliubbo@gmail.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Diffstat (limited to 'common/cmd_softswitch.c')
-rw-r--r--common/cmd_softswitch.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/common/cmd_softswitch.c b/common/cmd_softswitch.c
new file mode 100644
index 0000000..f75d926
--- /dev/null
+++ b/common/cmd_softswitch.c
@@ -0,0 +1,41 @@
+/*
+ * cmd_softswitch.c - set the softswitch for bf60x
+ *
+ * Copyright (c) 2012 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/blackfin.h>
+#include <asm/soft_switch.h>
+
+int do_softswitch(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int switchaddr, value, pin, port;
+
+ if (argc != 5)
+ return CMD_RET_USAGE;
+
+ if (strcmp(argv[2], "GPA") == 0)
+ port = IO_PORT_A;
+ else if (strcmp(argv[2], "GPB") == 0)
+ port = IO_PORT_B;
+ else
+ return CMD_RET_USAGE;
+
+ switchaddr = simple_strtoul(argv[1], NULL, 16);
+ pin = simple_strtoul(argv[3], NULL, 16);
+ value = simple_strtoul(argv[4], NULL, 16);
+
+ config_switch_bit(switchaddr, port, (1 << pin), IO_PORT_OUTPUT, value);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ softswitch_output, 5, 1, do_softswitch,
+ "switchaddr GPA/GPB pin_offset value",
+ ""
+);