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ectool: Add an option to get and use EC ports from /proc/ioports

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There are boards that don't use ports 0x62 and 0x66 for EC, e.g. Dell
Latitude E6230 uses 0x930 and 0x934.

Change-Id: Ie3005f5cd6e37206ef187267b0542efdeb26b3af
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
Reviewed-on: https://review.coreboot.org/23430
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Iru Cai
2018-01-25 21:44:09 +08:00
committed by Patrick Georgi
parent 51895d1838
commit 2e8f4ccfe6
4 changed files with 54 additions and 14 deletions
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13
util/ectool/ectool.c
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@ -62,6 +62,7 @@ void print_usage(const char *name)
" -v | --version: print the version\n"
" -h | --help: print this help\n\n"
" -V | --verbose: print debug information\n"
" -p | --getports: get EC data & cmd ports from /proc/ioports\n"
" -d | --dump: print RAM\n"
" -i | --idx: print IDX RAM & RAM\n"
" -q | --query: print query byte\n"
@ -71,7 +72,7 @@ void print_usage(const char *name)
exit(1);
}
int verbose = 0, dump_idx = 0, dump_ram = 0, dump_query = 0;
int verbose = 0, dump_idx = 0, dump_ram = 0, dump_query = 0, get_ports = 0;
int main(int argc, char *argv[])
{
@ -85,10 +86,11 @@ int main(int argc, char *argv[])
{"verbose", 0, 0, 'V'},
{"idx", 0, 0, 'i'},
{"query", 0, 0, 'q'},
{"getports", 0, 0, 'p'},
{0, 0, 0, 0}
};
while ((opt = getopt_long(argc, argv, "vh?Vidqw:z:",
while ((opt = getopt_long(argc, argv, "vh?Vidqpw:z:",
long_options, &option_index)) != EOF) {
switch (opt) {
case 'v':
@ -114,6 +116,9 @@ int main(int argc, char *argv[])
case 'q':
dump_query = 1;
break;
case 'p':
get_ports = 1;
break;
case 'h':
case '?':
default:
@ -123,6 +128,10 @@ int main(int argc, char *argv[])
}
}
if (get_ports && get_ec_ports() != 0)
fprintf(stderr, "Cannot get EC ports from /proc/ioports, "
"fallback to default.");
if (iopl(3)) {
printf("You need to be root.\n");
exit(1);