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 ---
cmd/portio.c | 145 ----------------------------------------------------------- 1 file changed, 145 deletions(-) delete mode 100644 cmd/portio.c
diff --git a/cmd/portio.c b/cmd/portio.c deleted file mode 100644 index bf3a99791c..0000000000 --- a/cmd/portio.c +++ /dev/null @@ -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" -);