ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/common/cmd_io.c b/marvell/uboot/common/cmd_io.c
new file mode 100644
index 0000000..eefac36
--- /dev/null
+++ b/marvell/uboot/common/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 [# of objects]");
+
+U_BOOT_CMD(iow, 3, 0, do_io_iow,
+ "IO space modify (auto-incrementing address)",
+ "[.b, .w, .l] address");