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| author | Simon Glass <sjg@chromium.org> | 2021-01-16 14:52:26 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2021-01-30 14:25:41 -0700 |
| commit | 8aec32f6abd722b141d96bc095999efa76bd0327 (patch) | |
| tree | 127ce4a016602e527aded6c3ceb97c8121c34c78 /cmd | |
| parent | 7791df576c4e0bcb0529850e14173d028ec37275 (diff) | |
| download | u-boot-8aec32f6abd722b141d96bc095999efa76bd0327.tar.gz u-boot-8aec32f6abd722b141d96bc095999efa76bd0327.tar.xz u-boot-8aec32f6abd722b141d96bc095999efa76bd0327.zip | |
cros_ec: Support reading EC features
The EC can support a variety of features and provides a way to find out
what is available. Add support for this.
Also update the feature list to the lastest available while we are here.
This is at:
https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/include/ec_commands.h
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/cros_ec.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/cmd/cros_ec.c b/cmd/cros_ec.c index 4e85e184fe..77656a2308 100644 --- a/cmd/cros_ec.c +++ b/cmd/cros_ec.c @@ -94,6 +94,74 @@ static int do_read_write(struct udevice *dev, int is_write, int argc, return 0; } +static const char *const feat_name[64] = { + "limited", + "flash", + "pwm_fan", + "pwm_keyb", + "lightbar", + "led", + "motion_sense", + "keyb", + "pstore", + "port80", + "thermal", + "bklight_switch", + "wifi_switch", + "host_events", + "gpio", + "i2c", + "charger", + "battery", + "smart_battery", + "hang_detect", + "pmu", + "sub_mcu", + "usb_pd", + "usb_mux", + "motion_sense_fifo", + "vstore", + "usbc_ss_mux_virtual", + "rtc", + "fingerprint", + "touchpad", + "rwsig", + "device_event", + "unified_wake_masks", + "host_event64", + "exec_in_ram", + "cec", + "motion_sense_tight_timestamps", + "refined_tablet_mode_hysteresis", + "efs2", + "scp", + "ish", + "typec_cmd", + "typec_require_ap_mode_entry", + "typec_mux_require_ap_ack", +}; + +static int do_show_features(struct udevice *dev) +{ + u64 feat; + int ret; + uint i; + + ret = cros_ec_get_features(dev, &feat); + if (ret) + return ret; + for (i = 0; i < ARRAY_SIZE(feat_name); i++) { + if (feat & (1ULL << i)) { + if (feat_name[i]) + printf("%s\n", feat_name[i]); + else + printf("unknown %d\n", i); + } + } + + return 0; +} + static int do_cros_ec(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -140,6 +208,11 @@ static int do_cros_ec(struct cmd_tbl *cmdtp, int flag, int argc, } printf("rows = %u\n", info.rows); printf("cols = %u\n", info.cols); + } else if (!strcmp("features", cmd)) { + ret = do_show_features(dev); + + if (ret) + printf("Error: %d\n", ret); } else if (0 == strcmp("curimage", cmd)) { enum ec_current_image image; @@ -379,6 +452,7 @@ U_BOOT_CMD( "init Re-init CROS-EC (done on startup automatically)\n" "crosec id Read CROS-EC ID\n" "crosec info Read CROS-EC info\n" + "crosec features Read CROS-EC features\n" "crosec curimage Read CROS-EC current image\n" "crosec hash Read CROS-EC hash\n" "crosec reboot [rw | ro | cold] Reboot CROS-EC\n" |