1 files changed, 0 insertions, 92 deletions
diff --git a/config/coreboot/default/patches/0022-ec-dell-mec5035-Route-power-button-event-to-host.patch b/config/coreboot/default/patches/0022-ec-dell-mec5035-Route-power-button-event-to-host.patch
deleted file mode 100644
index ab85a389..00000000
--- a/config/coreboot/default/patches/0022-ec-dell-mec5035-Route-power-button-event-to-host.patch
+++ /dev/null
@@ -1,92 +0,0 @@
-From 849f0aba544d135e2028092862e5f030813c868e Mon Sep 17 00:00:00 2001
-From: Nicholas Chin <nic.c3.14@gmail.com>
-Date: Tue, 18 Jun 2024 21:31:08 -0600
-Subject: [PATCH 22/40] ec/dell/mec5035: Route power button event to host
-
-If command 0x3e with an argument of 1 isn't sent to the EC, pressing the
-power button results in the EC powering off the system without letting
-the OS cleanly shutting itself down. This command and argument tells the
-EC to route power button events to the host so that it can determine
-what to do.
-
-The EC command was identified from the ec/google/wilco code, which is
-used for Dell's Latitude Chromebooks. According to the EC_GOOGLE_WILCO
-Kconfig help text, those ECs run a modified version of Dell's typical
-Latitude EC firmware, so it is likely that the two firmware
-implementations use similar commands. Examining LPC traffic between the
-host and the EC on the Latitude E6400 did reveal that the same command
-was being sent by the vendor firmware to the EC, but this does not
-confirm that it has the same meaning as the command from the Wilco code.
-Sending the command using inb/outb calls in a userspace C program while
-running coreboot without this patch did allow subsequent power button
-events to be handled by the host, confirming that the command was indeed
-the same.
-
-Change-Id: I5ded315270c0e1efbbc90cfa9d9d894b872e99a2
-Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
----
- src/ec/dell/mec5035/mec5035.c | 8 ++++++++
- src/ec/dell/mec5035/mec5035.h | 7 +++++++
- 2 files changed, 15 insertions(+)
-
-diff --git a/src/ec/dell/mec5035/mec5035.c b/src/ec/dell/mec5035/mec5035.c
-index 85c2ab0140..bdae929a27 100644
---- a/src/ec/dell/mec5035/mec5035.c
-+++ b/src/ec/dell/mec5035/mec5035.c
-@@ -94,6 +94,13 @@ void mec5035_control_radio(enum ec_radio_dev dev, enum ec_radio_state state)
- 	ec_command(CMD_RADIO_CTRL);
- }
- 
-+void mec5035_power_button_route(enum ec_power_button_route target)
-+{
-+	u8 buf = (u8)target;
-+	write_mailbox_regs(&buf, 2, 1);
-+	ec_command(CMD_POWER_BUTTON_TO_HOST);
-+}
-+
- void mec5035_change_wake(u8 source, enum ec_wake_change change)
- {
- 	u8 buf[ACPI_WAKEUP_NUM_ARGS] = {change, source, 0, 0x40};
-@@ -121,6 +128,7 @@ static void mec5035_init(struct device *dev)
- 	/* Unconditionally use this argument for now as this setting
- 	   is probably the most sensible default out of the 3 choices. */
- 	mec5035_mouse_touchpad(TP_PS2_MOUSE);
-+	mec5035_power_button_route(HOST);
- 
- 	pc_keyboard_init(NO_AUX_DEVICE);
- 
-diff --git a/src/ec/dell/mec5035/mec5035.h b/src/ec/dell/mec5035/mec5035.h
-index 8d4fded28b..51422598c4 100644
---- a/src/ec/dell/mec5035/mec5035.h
-+++ b/src/ec/dell/mec5035/mec5035.h
-@@ -11,6 +11,7 @@
- enum mec5035_cmd {
- 	CMD_MOUSE_TP = 0x1a,
- 	CMD_RADIO_CTRL = 0x2b,
-+	CMD_POWER_BUTTON_TO_HOST = 0x3e,
- 	CMD_ACPI_WAKEUP_CHANGE = 0x4a,
- 	CMD_SLEEP_ENABLE = 0x64,
- 	CMD_CPU_OK = 0xc2,
-@@ -36,6 +37,11 @@ enum ec_radio_state {
- 	RADIO_ON
- };
- 
-+enum ec_power_button_route {
-+	EC = 0,
-+	HOST
-+};
-+
- #define ACPI_WAKEUP_NUM_ARGS 4
- enum ec_wake_change {
- 	WAKE_OFF = 0,
-@@ -55,6 +61,7 @@ u8 mec5035_mouse_touchpad(enum ec_mouse_setting setting);
- void mec5035_cpu_ok(void);
- void mec5035_early_init(void);
- void mec5035_control_radio(enum ec_radio_dev device, enum ec_radio_state state);
-+void mec5035_power_button_route(enum ec_power_button_route target);
- void mec5035_change_wake(u8 source, enum ec_wake_change change);
- void mec5035_sleep_enable(void);
- 
--- 
-2.47.3
-