cr50: Allow boards to disable powering off EC on cr50 update
This patch allows boards to disable turning off EC on cr50 update. If CR50 resets the whole system, an EC reset is not required. BUG=b:112604277 BRANCH=none TEST=gsctool -a -u /media/removable/cr50.bin && reboot Verify EC reboots. AP prints 'Waiting for CR50 reset to pick up update' then reboots. Change-Id: I60a7aa50a549e7a5a1a114245fbf7b9646d813bb Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Reviewed-on: https://review.coreboot.org/28110 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -25,4 +25,10 @@ config POWER_OFF_ON_CR50_UPDATE
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help
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Power off machine while waiting for CR50 update to take effect.
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config DISABLE_POWER_OFF_EC_ON_CR50_UPDATE
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bool
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default n
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help
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Disable powering off EC while waiting for CR50 update to take effect.
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endif
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@ -60,7 +60,8 @@ static void enable_update(void *unused)
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printk(BIOS_INFO, "Waiting for CR50 reset to pick up update.\n");
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if (IS_ENABLED(CONFIG_POWER_OFF_ON_CR50_UPDATE)) {
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if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)) {
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if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC) &&
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!IS_ENABLED(CONFIG_DISABLE_POWER_OFF_EC_ON_CR50_UPDATE)) {
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printk(BIOS_INFO, "Hibernating EC. Clearing AP_OFF.\n");
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google_chromeec_reboot(0,
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EC_REBOOT_HIBERNATE_CLEAR_AP_OFF,
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