This command is not used by any board. It also looks quite similar to the 'iod' and 'iow' commands which use the correct I/O macros. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>master
parent
7f6665554a
commit
6f62d7c4f7
@ -1,145 +0,0 @@ |
||||
/*
|
||||
* (C) Copyright 2003 |
||||
* Marc Singer, elf@buici.com |
||||
* |
||||
* SPDX-License-Identifier: GPL-2.0+ |
||||
*/ |
||||
|
||||
/*
|
||||
* Port I/O Functions |
||||
* |
||||
* Copied from FADS ROM, Dan Malek (dmalek@jlc.net) |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <command.h> |
||||
|
||||
/* Display values from last command.
|
||||
* Memory modify remembered values are different from display memory. |
||||
*/ |
||||
static uint in_last_addr, in_last_size; |
||||
static uint out_last_addr, out_last_size, out_last_value; |
||||
|
||||
|
||||
int do_portio_out (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) |
||||
{ |
||||
uint addr = out_last_addr; |
||||
uint size = out_last_size; |
||||
uint value = out_last_value; |
||||
|
||||
if (argc != 3) |
||||
return CMD_RET_USAGE; |
||||
|
||||
if ((flag & CMD_FLAG_REPEAT) == 0) { |
||||
/*
|
||||
* New command specified. Check for a size specification. |
||||
* Defaults to long if no or incorrect specification. |
||||
*/ |
||||
size = cmd_get_data_size (argv[0], 1); |
||||
addr = simple_strtoul (argv[1], NULL, 16); |
||||
value = simple_strtoul (argv[2], NULL, 16); |
||||
} |
||||
#if defined (CONFIG_X86) |
||||
|
||||
{ |
||||
unsigned short port = addr; |
||||
|
||||
switch (size) { |
||||
default: |
||||
case 1: |
||||
{ |
||||
unsigned char ch = value; |
||||
__asm__ volatile ("out %0, %%dx"::"a" (ch), "d" (port)); |
||||
} |
||||
break; |
||||
case 2: |
||||
{ |
||||
unsigned short w = value; |
||||
__asm__ volatile ("out %0, %%dx"::"a" (w), "d" (port)); |
||||
} |
||||
break; |
||||
case 4: |
||||
__asm__ volatile ("out %0, %%dx"::"a" (value), "d" (port)); |
||||
|
||||
break; |
||||
} |
||||
} |
||||
|
||||
#endif /* CONFIG_X86 */ |
||||
|
||||
out_last_addr = addr; |
||||
out_last_size = size; |
||||
out_last_value = value; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
U_BOOT_CMD( |
||||
out, 3, 1, do_portio_out, |
||||
"write datum to IO port", |
||||
"[.b, .w, .l] port value\n - output to IO port" |
||||
); |
||||
|
||||
int do_portio_in (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) |
||||
{ |
||||
uint addr = in_last_addr; |
||||
uint size = in_last_size; |
||||
|
||||
if (argc != 2) |
||||
return CMD_RET_USAGE; |
||||
|
||||
if ((flag & CMD_FLAG_REPEAT) == 0) { |
||||
/*
|
||||
* New command specified. Check for a size specification. |
||||
* Defaults to long if no or incorrect specification. |
||||
*/ |
||||
size = cmd_get_data_size (argv[0], 1); |
||||
addr = simple_strtoul (argv[1], NULL, 16); |
||||
} |
||||
#if defined (CONFIG_X86) |
||||
|
||||
{ |
||||
unsigned short port = addr; |
||||
|
||||
switch (size) { |
||||
default: |
||||
case 1: |
||||
{ |
||||
unsigned char ch; |
||||
__asm__ volatile ("in %%dx, %0":"=a" (ch):"d" (port)); |
||||
|
||||
printf (" %02x\n", ch); |
||||
} |
||||
break; |
||||
case 2: |
||||
{ |
||||
unsigned short w; |
||||
__asm__ volatile ("in %%dx, %0":"=a" (w):"d" (port)); |
||||
|
||||
printf (" %04x\n", w); |
||||
} |
||||
break; |
||||
case 4: |
||||
{ |
||||
unsigned long l; |
||||
__asm__ volatile ("in %%dx, %0":"=a" (l):"d" (port)); |
||||
|
||||
printf (" %08lx\n", l); |
||||
} |
||||
break; |
||||
} |
||||
} |
||||
#endif /* CONFIG_X86 */ |
||||
|
||||
in_last_addr = addr; |
||||
in_last_size = size; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
U_BOOT_CMD( |
||||
in, 2, 1, do_portio_in, |
||||
"read data from an IO port", |
||||
"[.b, .w, .l] port\n" |
||||
" - read datum from IO port" |
||||
); |
Loading…
Reference in new issue