ChromeOS: Add legacy mainboard_ec_running_ro()
Motivation is to have mainboard_chromeos_acpi_generate()
do nothing else than fill ACPI \OIPG package.
Change-Id: I3cb95268424dc27f8c1e26b3d34eff1a7b8eab7f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58896
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
diff --git a/src/include/bootmode.h b/src/include/bootmode.h
index da2dbf6..e2d1cb9 100644
--- a/src/include/bootmode.h
+++ b/src/include/bootmode.h
@@ -3,6 +3,8 @@
#ifndef __BOOTMODE_H__
#define __BOOTMODE_H__
+#include <stdbool.h>
+
/* functions implemented per mainboard: */
void init_bootmode_straps(void);
int get_write_protect_state(void);
@@ -12,6 +14,7 @@
int get_wipeout_mode_switch(void);
int get_lid_switch(void);
int get_ec_is_trusted(void);
+bool mainboard_ec_running_ro(void);
/* Return 1 if display initialization is required. 0 if not. */
int display_init_required(void);
diff --git a/src/mainboard/google/butterfly/chromeos.c b/src/mainboard/google/butterfly/chromeos.c
index a7d56ae..fb249d4 100644
--- a/src/mainboard/google/butterfly/chromeos.c
+++ b/src/mainboard/google/butterfly/chromeos.c
@@ -48,6 +48,15 @@
return 0;
}
+bool mainboard_ec_running_ro(void)
+{
+ // TODO: MLR
+ // The firmware read/write status is a "virtual" switch and
+ // will be handled elsewhere. Until then hard-code to
+ // read/write instead of read-only for developer mode.
+ return false;
+}
+
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AH(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
CROS_GPIO_WP_AL(WP_GPIO, CROS_GPIO_DEVICE_NAME),
@@ -55,13 +64,6 @@
void mainboard_chromeos_acpi_generate(void)
{
- // TODO: MLR
- // The firmware read/write status is a "virtual" switch and
- // will be handled elsewhere. Until then hard-code to
- // read/write instead of read-only for developer mode.
- if (CONFIG(CHROMEOS_NVS))
- chromeos_set_ecfw_rw();
-
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
}
diff --git a/src/mainboard/google/parrot/chromeos.c b/src/mainboard/google/parrot/chromeos.c
index 2b361ac..e0bc0b0 100644
--- a/src/mainboard/google/parrot/chromeos.c
+++ b/src/mainboard/google/parrot/chromeos.c
@@ -46,7 +46,7 @@
return !get_gpio(GPIO_REC_MODE);
}
-static int parrot_ec_running_ro(void)
+bool mainboard_ec_running_ro(void)
{
return get_recovery_mode_switch();
}
@@ -58,9 +58,6 @@
void mainboard_chromeos_acpi_generate(void)
{
- if (CONFIG(CHROMEOS_NVS) && !parrot_ec_running_ro())
- chromeos_set_ecfw_rw();
-
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
}
diff --git a/src/mainboard/google/stout/chromeos.c b/src/mainboard/google/stout/chromeos.c
index 964217e..fcbbc8a 100644
--- a/src/mainboard/google/stout/chromeos.c
+++ b/src/mainboard/google/stout/chromeos.c
@@ -49,8 +49,7 @@
* The recovery-switch is virtual on Stout and is handled via the EC.
* Stout recovery mode is only valid if RTC_PWR_STS is set and the EC
* indicated the recovery keys were pressed. We use a global flag for
- * rec_mode to be used after RTC_POWER_STS has been cleared. This function
- * is complicated by romstage support, which can't use a global variable.
+ * rec_mode to be used after RTC_POWER_STS has been cleared.
* Note, rec_mode is the only time the EC is in RO mode, otherwise, RW.
*/
int get_recovery_mode_switch(void)
@@ -75,6 +74,11 @@
return ec_in_rec_mode;
}
+bool mainboard_ec_running_ro(void)
+{
+ return !!get_recovery_mode_switch();
+}
+
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AH(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
CROS_GPIO_WP_AL(GPIO_SPI_WP, CROS_GPIO_DEVICE_NAME),
@@ -82,8 +86,5 @@
void mainboard_chromeos_acpi_generate(void)
{
- if (CONFIG(CHROMEOS_NVS) && !get_recovery_mode_switch())
- chromeos_set_ecfw_rw();
-
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
}
diff --git a/src/mainboard/samsung/lumpy/chromeos.c b/src/mainboard/samsung/lumpy/chromeos.c
index 22b936c..1b9c7c4 100644
--- a/src/mainboard/samsung/lumpy/chromeos.c
+++ b/src/mainboard/samsung/lumpy/chromeos.c
@@ -85,6 +85,11 @@
pci_s_write_config32(dev, SATA_SP, flags);
}
+bool mainboard_ec_running_ro(void)
+{
+ return !ec_read(0xcb);
+}
+
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AL(GPIO_REC_MODE, CROS_GPIO_DEVICE_NAME),
CROS_GPIO_WP_AH(GPIO_SPI_WP, CROS_GPIO_DEVICE_NAME),
@@ -92,8 +97,5 @@
void mainboard_chromeos_acpi_generate(void)
{
- if (CONFIG(CHROMEOS_NVS) && ec_read(0xcb))
- chromeos_set_ecfw_rw();
-
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
}
diff --git a/src/vendorcode/google/chromeos/chromeos.h b/src/vendorcode/google/chromeos/chromeos.h
index abdd6c2..da25617 100644
--- a/src/vendorcode/google/chromeos/chromeos.h
+++ b/src/vendorcode/google/chromeos/chromeos.h
@@ -25,7 +25,6 @@
void cbmem_add_vpd_calibration_data(void);
void chromeos_set_me_hash(u32*, int);
void chromeos_set_ramoops(void *ram_oops, size_t size);
-void chromeos_set_ecfw_rw(void);
void chromeos_init_chromeos_acpi(void);
/**
diff --git a/src/vendorcode/google/chromeos/gnvs.c b/src/vendorcode/google/chromeos/gnvs.c
index 7821786..b1090a4 100644
--- a/src/vendorcode/google/chromeos/gnvs.c
+++ b/src/vendorcode/google/chromeos/gnvs.c
@@ -2,6 +2,7 @@
#include <acpi/acpi.h>
#include <acpi/acpigen.h>
+#include <bootmode.h>
#include <types.h>
#include <string.h>
#include <stdlib.h>
@@ -31,6 +32,8 @@
return region_device_sz(&vpd);
}
+__weak bool mainboard_ec_running_ro(void) { return true; }
+
void chromeos_init_chromeos_acpi(void)
{
size_t vpd_size;
@@ -59,8 +62,13 @@
/* EC can override to ECFW_RW. */
chromeos_acpi->vbt2 = ACTIVE_ECFW_RO;
- if (CONFIG(EC_GOOGLE_CHROMEEC) && !google_ec_running_ro())
- chromeos_acpi->vbt2 = ACTIVE_ECFW_RW;
+ if (CONFIG(EC_GOOGLE_CHROMEEC)) {
+ if (!google_ec_running_ro())
+ chromeos_acpi->vbt2 = ACTIVE_ECFW_RW;
+ } else {
+ if (!mainboard_ec_running_ro())
+ chromeos_acpi->vbt2 = ACTIVE_ECFW_RW;
+ }
}
void chromeos_set_me_hash(u32 *hash, int len)
@@ -83,13 +91,6 @@
chromeos_acpi->ramoops_len = size;
}
-void chromeos_set_ecfw_rw(void)
-{
- if (!chromeos_acpi)
- return;
- chromeos_acpi->vbt2 = ACTIVE_ECFW_RW;
-}
-
void smbios_type0_bios_version(uintptr_t address)
{
if (!chromeos_acpi)