[XS] Change in coreboot[master]: mb/google/rex: Require VBOOT_LID_SWITCH for Chromebook design

[Jakub Czapiga (Code Review)]

Jakub Czapiga has submitted this change. ( https://review.coreboot.org/c/coreboot/+/77693?usp=email )

Change subject: mb/google/rex: Require VBOOT_LID_SWITCH for Chromebook design
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mb/google/rex: Require VBOOT_LID_SWITCH for Chromebook design

This patch ensures that platforms with lids, such as Chromebooks, only
select the VBOOT_LID_SWITCH configuration option.

Only samples the LID GPIO if VBOOT_LID_SWITCH config is enabled,
otherwise fake LID is open to avoid shutdown after reaching
depthcharge.

Tested by building and booting Google/Rex with the VBOOT_LID_SWITCH
configuration option enabled, and verifying that google/ovis does not
required VBOOT_LID_SWITCH config.

Change-Id: Ic5123b822a5a7021023319cb08a3f9e5225961ba
Signed-off-by: Subrata Banik 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77693
Reviewed-by: Nick Vaccaro 
Reviewed-by: Jakub Czapiga 
Tested-by: build bot (Jenkins) 
Reviewed-by: Kapil Porwal 
---
M src/mainboard/google/rex/Kconfig
M src/mainboard/google/rex/chromeos.c
2 files changed, 6 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Kapil Porwal: Looks good to me, approved
  Jakub Czapiga: Looks good to me, approved
  Nick Vaccaro: Looks good to me, approved

diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index 7d384bd..52f2413 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -160,7 +160,7 @@
    select HAVE_SPD_IN_CBFS

config VBOOT
-	select VBOOT_LID_SWITCH
+	select VBOOT_LID_SWITCH if BOARD_GOOGLE_BASEBOARD_REX

config UART_FOR_CONSOLE
    int
diff --git a/src/mainboard/google/rex/chromeos.c b/src/mainboard/google/rex/chromeos.c
index 217b001..5ed041f 100644
--- a/src/mainboard/google/rex/chromeos.c
+++ b/src/mainboard/google/rex/chromeos.c
@@ -9,7 +9,12 @@
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
    struct lb_gpio chromeos_gpios[] = {
+#if CONFIG(VBOOT_LID_SWITCH)
    	{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
+#else
+		/* fake LID open to avoid shutdown in depthcharge */
+		{-1, ACTIVE_HIGH, 1, "lid"},
+#endif
    	{-1, ACTIVE_HIGH, 0, "power"},
    	{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
    	{-1, ACTIVE_HIGH, 0, "EC in RW"},