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authorSimon Glass <sjg@chromium.org>2016-01-17 20:53:52 -0700
committerTom Rini <trini@konsulko.com>2016-01-25 10:39:43 -0500
commit2e192b245ed36a63bab0ef576999a95e23f60ecd (patch)
treeae6197f4a661aea2a19122d9862315695e3f1541 /cmd/io.c
parent72a8cf8dccf6f8b86d1683205e032a94eaa86938 (diff)
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Remove the cmd_ prefix from command files
Now that they are in their own directory, we can remove this prefix. This makes it easier to find a file since the prefix does not get in the way. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Diffstat (limited to 'cmd/io.c')
-rw-r--r--cmd/io.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/cmd/io.c b/cmd/io.c
new file mode 100644
index 0000000..c59148f
--- /dev/null
+++ b/cmd/io.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * IO space access commands.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/io.h>
+
+/*
+ * IO Display
+ *
+ * Syntax:
+ * iod{.b, .w, .l} {addr}
+ */
+int do_io_iod(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ ulong addr;
+ int size;
+
+ if (argc != 2)
+ return CMD_RET_USAGE;
+
+ size = cmd_get_data_size(argv[0], 4);
+ if (size < 0)
+ return 1;
+
+ addr = simple_strtoul(argv[1], NULL, 16);
+
+ printf("%04x: ", (u16) addr);
+
+ if (size == 4)
+ printf("%08x\n", inl(addr));
+ else if (size == 2)
+ printf("%04x\n", inw(addr));
+ else
+ printf("%02x\n", inb(addr));
+
+ return 0;
+}
+
+int do_io_iow(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ ulong addr, size, val;
+
+ if (argc != 3)
+ return CMD_RET_USAGE;
+
+ size = cmd_get_data_size(argv[0], 4);
+ if (size < 0)
+ return 1;
+
+ addr = simple_strtoul(argv[1], NULL, 16);
+ val = simple_strtoul(argv[2], NULL, 16);
+
+ if (size == 4)
+ outl((u32) val, addr);
+ else if (size == 2)
+ outw((u16) val, addr);
+ else
+ outb((u8) val, addr);
+
+ return 0;
+}
+
+/**************************************************/
+U_BOOT_CMD(iod, 2, 0, do_io_iod,
+ "IO space display", "[.b, .w, .l] address");
+
+U_BOOT_CMD(iow, 3, 0, do_io_iow,
+ "IO space modify",
+ "[.b, .w, .l] address value");