diff options
| author | Randall Spangler <rspangler@chromium.org> | 2012-07-11 14:10:05 -0700 |
|---|---|---|
| committer | Gerrit <chrome-bot@google.com> | 2012-07-12 11:32:06 -0700 |
| commit | 347b5062a429922cabfa49de8f11fe8cebf8f9f1 (patch) | |
| tree | 2727d5c48b8312cfab04805294a11f2c5de47626 /common/host_command.c | |
| parent | 0398874210b52d48c52ac95601a504fbf1b61e59 (diff) | |
| download | chrome-ec-347b5062a429922cabfa49de8f11fe8cebf8f9f1.tar.gz | |
Initialize memory mapped data and add data versions
BUG=chrome-os-partner:11275
TEST=manual
localhost ~ # io_read8 0x920
0x45 // 'E'
localhost ~ # io_read8 0x921
0x43 // 'C'
localhost ~ # io_read8 0x922
0x01 // version 1
localhost ~ # io_read8 0x9fe
0x00 // unused data initialized to 0
Change-Id: If8de85ddc0e5f99b7c4213214d4b2d30b1439da8
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27196
Diffstat (limited to 'common/host_command.c')
| -rw-r--r-- | common/host_command.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/common/host_command.c b/common/host_command.c index a5feb73653..716119b909 100644 --- a/common/host_command.c +++ b/common/host_command.c @@ -202,6 +202,13 @@ enum ec_status host_command_process(struct host_cmd_handler_args *args) static int host_command_init(void) { + /* Initialize memory map ID area */ + host_get_memmap(EC_MEMMAP_ID)[0] = 'E'; + host_get_memmap(EC_MEMMAP_ID)[1] = 'C'; + *host_get_memmap(EC_MEMMAP_ID_VERSION) = 1; + *host_get_memmap(EC_MEMMAP_EVENTS_VERSION) = 1; + + host_set_single_event(EC_HOST_EVENT_INTERFACE_READY); CPRINTF("[%T hostcmd init 0x%x]\n", host_get_events()); |