Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / cmd_softswitch.c

diff --git a/qemu/roms/u-boot/common/cmd_softswitch.c b/qemu/roms/u-boot/common/cmd_softswitch.c
new file mode 100644 (file)
index 0000000..f75d926
--- /dev/null
+++ b/qemu/roms/u-boot/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",
+       ""
+);