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Kconfig: Drop CONFIG_CMD_PORTIO and associated command

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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>
This commit is contained in:
Simon Glass 2017-08-04 16:34:38 -06:00 committed by Tom Rini
parent 7f6665554a
commit 6f62d7c4f7
6 changed files with 4 additions and 154 deletions
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1
README
View file

@ -814,7 +814,6 @@ The following options need to be configured:
CONFIG_CMD_NFS NFS support
CONFIG_CMD_PING * send ICMP ECHO_REQUEST to network
host
CONFIG_CMD_PORTIO * Port I/O
CONFIG_CMD_READ * Read raw data from partition
CONFIG_CMD_REGINFO * Register dump
CONFIG_CMD_RUN run command in env variable

1
cmd/Makefile
View file

@ -97,7 +97,6 @@ ifdef CONFIG_PCI
obj-$(CONFIG_CMD_PCI) += pci.o
endif
obj-y += pcmcia.o
obj-$(CONFIG_CMD_PORTIO) += portio.o
obj-$(CONFIG_CMD_PXE) += pxe.o
obj-$(CONFIG_CMD_QFW) += qfw.o
obj-$(CONFIG_CMD_READ) += read.o

145
cmd/portio.c
View file

@ -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"
);

9
include/command.h
View file

@ -80,11 +80,10 @@ int cmd_process_error(cmd_tbl_t *cmdtp, int err);
* void function (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
*/
#if defined(CONFIG_CMD_MEMORY) \
|| defined(CONFIG_CMD_I2C) \
|| defined(CONFIG_CMD_ITEST) \
|| defined(CONFIG_CMD_PCI) \
|| defined(CONFIG_CMD_PORTIO)
#if defined(CONFIG_CMD_MEMORY) || \
defined(CONFIG_CMD_I2C) || \
defined(CONFIG_CMD_ITEST) || \
defined(CONFIG_CMD_PCI)
#define CMD_DATA_SIZE
extern int cmd_get_data_size(char* arg, int default_size);
#endif

1
include/config_cmd_all.h
View file

@ -13,7 +13,6 @@
* Alphabetical list of all possible commands.
*/
#define CONFIG_CMD_PORTIO /* Port I/O */
#define CONFIG_CMD_REGINFO /* Register dump */
#define CONFIG_CMD_REISER /* Reiserfs support */
#define CONFIG_CMD_READ /* Read data from partition */

1
scripts/config_whitelist.txt
View file

@ -293,7 +293,6 @@ CONFIG_CM922T_XA10
CONFIG_CMDLINE_EDITING
CONFIG_CMDLINE_PS_SUPPORT
CONFIG_CMDLINE_TAG
CONFIG_CMD_PORTIO
CONFIG_CMD_READ
CONFIG_CMD_REGINFO
CONFIG_CMD_REISER