Alexander Couzens (lynxis@fe80.eu) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8382
-gerrit
commit f1c54685642b18c263ebcefe49cbf220ed19724b Author: Alexander Couzens lynxis@fe80.eu Date: Fri Feb 6 22:27:33 2015 +0100
ectool: add query function to ectool
`ectool -q` - Query the EC IRQ byte. Should return 0x00 otherwise the IRQ handler is usally broken or disabled.
Tested-on: Lenovo X201t
Change-Id: I0b8c2dbcf38d2eab89d0fbea05795759c4517f6d Signed-off-by: Alexander Couzens lynxis@fe80.eu --- util/ectool/ec.c | 6 ++++++ util/ectool/ec.h | 1 + util/ectool/ectool.c | 17 +++++++++++++---- 3 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/util/ectool/ec.c b/util/ectool/ec.c index 0f5b891..323a43f 100644 --- a/util/ectool/ec.c +++ b/util/ectool/ec.c @@ -147,3 +147,9 @@ uint8_t ec_idx_read(uint16_t addr)
return inb(lpc_idx + 3); } + +uint8_t ec_query(void) +{ + send_ec_command(QR_EC); + return recv_ec_data(); +} diff --git a/util/ectool/ec.h b/util/ectool/ec.h index a7b10e4..f25a3d9 100644 --- a/util/ectool/ec.h +++ b/util/ectool/ec.h @@ -50,4 +50,5 @@ int ec_write(uint8_t addr, uint8_t data); uint8_t ec_ext_read(uint16_t addr); int ec_ext_write(uint16_t addr, uint8_t data); uint8_t ec_idx_read(uint16_t addr); +uint8_t ec_query(void); #endif diff --git a/util/ectool/ectool.c b/util/ectool/ectool.c index 5609c9b..2479633 100644 --- a/util/ectool/ectool.c +++ b/util/ectool/ectool.c @@ -46,20 +46,21 @@ void print_version(void)
void print_usage(const char *name) { - printf("usage: %s [-vh?Vid] [-w 0x<addr> -z 0x<data>]\n", name); + printf("usage: %s [-vh?Vidq] [-w 0x<addr> -z 0x<data>]\n", name); printf("\n" " -v | --version: print the version\n" " -h | --help: print this help\n\n" " -V | --verbose: print debug information\n" " -d | --dump: print RAM\n" " -i | --idx: print IDX RAM & RAM\n" + " -q | --query: print query byte\n" " -w <addr in hex> write to addr\n" " -z <data in hex> write to data\n" "\n"); exit(1); }
-int verbose = 0, dump_idx = 0, dump_ram = 0; +int verbose = 0, dump_idx = 0, dump_ram = 0, dump_query = 0;
int main(int argc, char *argv[]) { @@ -72,10 +73,11 @@ int main(int argc, char *argv[]) {"help", 0, 0, 'h'}, {"verbose", 0, 0, 'V'}, {"idx", 0, 0, 'i'}, + {"query", 0, 0, 'q'}, {0, 0, 0, 0} };
- while ((opt = getopt_long(argc, argv, "vh?Vidw:z:", + while ((opt = getopt_long(argc, argv, "vh?Vidqw:z:", long_options, &option_index)) != EOF) { switch (opt) { case 'v': @@ -98,6 +100,9 @@ int main(int argc, char *argv[]) case 'd': dump_ram = 1; break; + case 'q': + dump_query = 1; + break; case 'h': case '?': default: @@ -119,7 +124,7 @@ int main(int argc, char *argv[]) }
/* preserve default - dump_ram if nothing selected */ - if (!dump_ram && !dump_idx) { + if (!dump_ram && !dump_idx && !dump_query) { dump_ram = 1; }
@@ -133,6 +138,10 @@ int main(int argc, char *argv[]) printf("\n\n"); }
+ if (dump_query) { + printf("EC QUERY %02x\n", ec_query()); + } + if (dump_idx) { printf("EC IDX RAM:\n"); for (i = 0; i < 0x10000; i++) {