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> Reviewed-on: http://review.coreboot.org/8382 Tested-by: build bot (Jenkins) Reviewed-by: Nicolas Reinecke <nr@das-labor.org> Reviewed-by: Peter Stuge <peter@stuge.se>
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@ -147,3 +147,9 @@ uint8_t ec_idx_read(uint16_t addr)
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return inb(lpc_idx + 3);
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}
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uint8_t ec_query(void)
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{
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send_ec_command(QR_EC);
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return recv_ec_data();
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}
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@ -50,4 +50,5 @@ int ec_write(uint8_t addr, uint8_t data);
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uint8_t ec_ext_read(uint16_t addr);
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int ec_ext_write(uint16_t addr, uint8_t data);
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uint8_t ec_idx_read(uint16_t addr);
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uint8_t ec_query(void);
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#endif
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@ -46,20 +46,21 @@ void print_version(void)
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void print_usage(const char *name)
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{
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printf("usage: %s [-vh?Vid] [-w 0x<addr> -z 0x<data>]\n", name);
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printf("usage: %s [-vh?Vidq] [-w 0x<addr> -z 0x<data>]\n", name);
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printf("\n"
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" -v | --version: print the version\n"
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" -h | --help: print this help\n\n"
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" -V | --verbose: print debug information\n"
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" -d | --dump: print RAM\n"
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" -i | --idx: print IDX RAM & RAM\n"
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" -q | --query: print query byte\n"
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" -w <addr in hex> write to addr\n"
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" -z <data in hex> write to data\n"
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"\n");
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exit(1);
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}
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int verbose = 0, dump_idx = 0, dump_ram = 0;
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int verbose = 0, dump_idx = 0, dump_ram = 0, dump_query = 0;
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int main(int argc, char *argv[])
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{
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@ -72,10 +73,11 @@ int main(int argc, char *argv[])
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{"help", 0, 0, 'h'},
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{"verbose", 0, 0, 'V'},
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{"idx", 0, 0, 'i'},
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{"query", 0, 0, 'q'},
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{0, 0, 0, 0}
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};
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while ((opt = getopt_long(argc, argv, "vh?Vidw:z:",
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while ((opt = getopt_long(argc, argv, "vh?Vidqw:z:",
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long_options, &option_index)) != EOF) {
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switch (opt) {
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case 'v':
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@ -98,6 +100,9 @@ int main(int argc, char *argv[])
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case 'd':
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dump_ram = 1;
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break;
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case 'q':
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dump_query = 1;
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break;
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case 'h':
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case '?':
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default:
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@ -119,7 +124,7 @@ int main(int argc, char *argv[])
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}
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/* preserve default - dump_ram if nothing selected */
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if (!dump_ram && !dump_idx) {
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if (!dump_ram && !dump_idx && !dump_query) {
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dump_ram = 1;
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}
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@ -133,6 +138,10 @@ int main(int argc, char *argv[])
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printf("\n\n");
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}
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if (dump_query) {
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printf("EC QUERY %02x\n", ec_query());
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}
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if (dump_idx) {
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printf("EC IDX RAM:\n");
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for (i = 0; i < 0x10000; i++) {
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