diff options
author | Simon Glass <sjg@chromium.org> | 2016-01-17 20:53:52 -0700 |
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committer | Tom Rini <trini@konsulko.com> | 2016-01-25 10:39:43 -0500 |
commit | 2e192b245ed36a63bab0ef576999a95e23f60ecd (patch) | |
tree | ae6197f4a661aea2a19122d9862315695e3f1541 /cmd/io.c | |
parent | 72a8cf8dccf6f8b86d1683205e032a94eaa86938 (diff) | |
download | u-boot-imx-2e192b245ed36a63bab0ef576999a95e23f60ecd.zip u-boot-imx-2e192b245ed36a63bab0ef576999a95e23f60ecd.tar.gz u-boot-imx-2e192b245ed36a63bab0ef576999a95e23f60ecd.tar.bz2 |
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.c | 77 |
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"); |