bootmode: Get rid of CONFIG_BOOTMODE_STRAPS

With VBOOT_VERIFY_FIRMWARE separated from CHROMEOS, move recovery and
developer mode check functions to vboot. Thus, get rid of the
BOOTMODE_STRAPS option which controlled these functions under src/lib.

BUG=chrome-os-partner:55639

Change-Id: Ia2571026ce8976856add01095cc6be415d2be22e
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15868
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

Makefile.inc

@@ -82,7 +82,7 @@ subdirs-y += util/cbfstool util/sconfig util/nvramtool util/broadcom
 subdirs-y += util/futility util/marvell
 subdirs-y += $(wildcard src/arch/*)
 subdirs-y += src/mainboard/$(MAINBOARDDIR)
-subdirs-$(CONFIG_VBOOT) += src/vboot
+subdirs-y += src/vboot
 subdirs-y += payloads payloads/external
 
 subdirs-y += site-local

src/Kconfig

@@ -513,10 +513,6 @@ config MMCONF_SUPPORT
 	bool
 	default n
 
-config BOOTMODE_STRAPS
-	bool
-	default n
-
 source "src/console/Kconfig"
 
 config HAVE_ACPI_RESUME

src/device/pci_device.c

@@ -669,8 +669,7 @@ static int should_run_oprom(struct device *dev)
 	/* Don't run VGA option ROMs, unless we have to print
 	 * something on the screen before the kernel is loaded.
 	 */
-	should_run = !IS_ENABLED(CONFIG_BOOTMODE_STRAPS) ||
-		developer_mode_enabled() || recovery_mode_enabled();
+	should_run = display_init_required();
 
 #if CONFIG_CHROMEOS
 	if (!should_run)

src/drivers/intel/fsp1_1/raminit.c

@@ -24,7 +24,7 @@
 #include <soc/intel/common/mma.h>
 #include <string.h>
 #include <timestamp.h>
-#include <bootmode.h>
+#include <vboot/vboot_common.h>
 
 void raminit(struct romstage_params *params)
 {
@@ -288,7 +288,7 @@ void raminit(struct romstage_params *params)
 	if (mrc_hob == NULL)
 		printk(BIOS_DEBUG,
 			"Memory Configuration Data Hob not present\n");
-	else if (!recovery_mode_enabled()) {
+	else if (!vboot_recovery_mode_enabled()) {
 		/* Do not save MRC data in recovery path */
 		pei_ptr->data_to_save = GET_GUID_HOB_DATA(mrc_hob);
 		pei_ptr->data_to_save_size = ALIGN(

src/drivers/intel/fsp1_1/romstage.c

@@ -122,7 +122,7 @@ void romstage_common(struct romstage_params *params)
 	params->pei_data->saved_data_size = 0;
 	params->pei_data->saved_data = NULL;
 	if (!params->pei_data->disable_saved_data) {
-		if (recovery_mode_enabled()) {
+		if (vboot_recovery_mode_enabled()) {
 			/* Recovery mode does not use MRC cache */
 			printk(BIOS_DEBUG,
 			       "Recovery mode: not using MRC cache.\n");

src/drivers/intel/fsp2_0/memory_init.c

@@ -14,7 +14,6 @@
 #include <arch/io.h>
 #include <arch/cpu.h>
 #include <arch/symbols.h>
-#include <bootmode.h>
 #include <cbfs.h>
 #include <cbmem.h>
 #include <console/console.h>
@@ -28,6 +27,7 @@
 #include <string.h>
 #include <symbols.h>
 #include <timestamp.h>
+#include <vboot/vboot_common.h>
 
 typedef asmlinkage enum fsp_status (*fsp_memory_init_fn)
 				   (void *raminit_upd, void **hob_list);
@@ -93,7 +93,7 @@ static enum fsp_status do_fsp_post_memory_init(void *hob_list_ptr, bool s3wake,
 	/* Now that CBMEM is up, save the list so ramstage can use it */
 	fsp_save_hob_list(hob_list_ptr);
 
-	if (recovery_mode_enabled())
+	if (vboot_recovery_mode_enabled())
 		fsp_version = MRC_DEAD_VERSION;
 
 	save_memory_training_data(s3wake, fsp_version);
@@ -119,7 +119,7 @@ static void fsp_fill_mrc_cache(struct FSPM_ARCH_UPD *arch_upd, bool s3wake,
 		return;
 
 	/* Don't use saved training data when recovery mode is enabled. */
-	if (recovery_mode_enabled()) {
+	if (vboot_recovery_mode_enabled()) {
 		printk(BIOS_DEBUG, "Recovery mode. Not using MRC cache.\n");
 		return;
 	}

src/ec/google/chromeec/ec.c

@@ -16,7 +16,6 @@
 #include <stdint.h>
 #include <string.h>
 #include <console/console.h>
-#include <bootmode.h>
 #include <arch/io.h>
 #include <delay.h>
 #include <halt.h>
@@ -24,6 +23,7 @@
 #include <elog.h>
 #include <rtc.h>
 #include <stdlib.h>
+#include <vboot/vboot_common.h>
 
 #include "chip.h"
 #include "ec.h"
@@ -198,19 +198,19 @@ void google_chromeec_check_ec_image(int expected_type)
 	}
 }
 
-/* Check for recovery mode and ensure EC is in RO */
+/* Check for recovery mode and ensure PD/EC is in RO */
 void google_chromeec_early_init(void)
 {
-	if (IS_ENABLED(CONFIG_CHROMEOS)) {
+	if (!IS_ENABLED(CONFIG_CHROMEOS) || !vboot_recovery_mode_enabled())
+		return;
+
 	/* Check USB PD chip state first */
 	if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC_PD))
-			google_chromeec_early_pd_init();
+		google_chromeec_check_pd_image(EC_IMAGE_RO);
 
 	/* If in recovery ensure EC is running RO firmware. */
-		if (recovery_mode_enabled())
 	google_chromeec_check_ec_image(EC_IMAGE_RO);
 }
-}
 
 void google_chromeec_check_pd_image(int expected_type)
 {
@@ -241,15 +241,6 @@ void google_chromeec_check_pd_image(int expected_type)
 		udelay(1000);
 	}
 }
-
-/* Check for recovery mode and ensure PD is in RO */
-void google_chromeec_early_pd_init(void)
-{
-	/* If in recovery ensure PD is running RO firmware. */
-	if (recovery_mode_enabled()) {
-		google_chromeec_check_pd_image(EC_IMAGE_RO);
-	}
-}
 #endif
 
 u16 google_chromeec_get_board_version(void)
@@ -521,7 +512,7 @@ void google_chromeec_init(void)
 	}
 
 	if (cec_cmd.cmd_code ||
-	    (recovery_mode_enabled() &&
+	    (vboot_recovery_mode_enabled() &&
 	     (cec_resp.current_image != EC_IMAGE_RO))) {
 		struct ec_params_reboot_ec reboot_ec;
 		/* Reboot the EC and make it come back in RO mode */

src/ec/google/chromeec/ec.h

@@ -36,7 +36,6 @@ void google_chromeec_init(void);
 
 /* If recovery mode is enabled and EC is not running RO firmware reboot. */
 void google_chromeec_early_init(void);
-void google_chromeec_early_pd_init(void);
 /* Reboot if EC firmware is not expected type. */
 void google_chromeec_check_ec_image(int expected_type);
 void google_chromeec_check_pd_image(int expected_type);

src/include/bootmode.h

@@ -26,18 +26,9 @@ int clear_recovery_mode_switch(void);
 int get_wipeout_mode_switch(void);
 int get_lid_switch(void);
 
-
 /* Return 1 if display initialization is required. 0 if not. */
 int display_init_required(void);
 int gfx_get_init_done(void);
 void gfx_set_init_done(int done);
 
-#if CONFIG_BOOTMODE_STRAPS
-int developer_mode_enabled(void);
-int recovery_mode_enabled(void);
-#else
-static inline int recovery_mode_enabled(void) { return 0; }
-static inline int developer_mode_enabled(void) { return 0; }
-#endif
-
 #endif /* __BOOTMODE_H__ */

src/lib/bootmode.c

@@ -17,24 +17,6 @@
 #include <bootmode.h>
 #include <vendorcode/google/chromeos/chromeos.h>
 
-#if CONFIG_BOOTMODE_STRAPS
-int developer_mode_enabled(void)
-{
-	if (get_developer_mode_switch())
-		return 1;
-#if CONFIG_VBOOT
-	if (vboot_handoff_check_developer_flag())
-		return 1;
-#endif
-	return 0;
-}
-
-int recovery_mode_enabled(void)
-{
-	return !!vboot_check_recovery_request();
-}
-#endif /* CONFIG_BOOTMODE_STRAPS */
-
 #if ENV_RAMSTAGE
 static int gfx_init_done = -1;
 

src/mainboard/google/cyan/chromeos.c

@@ -40,7 +40,7 @@ void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	struct lb_gpio chromeos_gpios[] = {
 		{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
-		{-1, ACTIVE_HIGH, recovery_mode_enabled(), "recovery"},
+		{-1, ACTIVE_HIGH, vboot_recovery_mode_enabled(), "recovery"},
 		{-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"},
 		{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
 		{-1, ACTIVE_HIGH, 0, "power"},

src/mainboard/google/rambi/chromeos.c

@@ -14,11 +14,12 @@
  */
 
 #include <string.h>
-#include <bootmode.h>
 #include <arch/io.h>
+#include <bootmode.h>
 #include <device/device.h>
 #include <device/pci.h>
 #include <soc/gpio.h>
+#include <vboot/vboot_common.h>
 
 #if CONFIG_EC_GOOGLE_CHROMEEC
 #include "ec.h"
@@ -35,7 +36,7 @@ void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	struct lb_gpio chromeos_gpios[] = {
 		{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
-		{-1, ACTIVE_HIGH, recovery_mode_enabled(), "recovery"},
+		{-1, ACTIVE_HIGH, vboot_recovery_mode_enabled(), "recovery"},
 		{-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"},
 		{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
 		{-1, ACTIVE_HIGH, 0, "power"},

src/mainboard/google/stout/ec.c

@@ -39,7 +39,6 @@ void stout_ec_init(void)
 	/*
 	 *  Important: get_recovery_mode_switch() must be called in EC init.
 	 */
-	if (IS_ENABLED(CONFIG_BOOTMODE_STRAPS))
 	get_recovery_mode_switch();
 
 	/* Unmute */

src/mainboard/google/stout/romstage.c

@@ -119,8 +119,7 @@ void rcba_config(void)
 static void early_ec_init(void)
 {
 	u8 ec_status = ec_read(EC_STATUS_REG);
-	int rec_mode = IS_ENABLED(CONFIG_BOOTMODE_STRAPS) &&
-		get_recovery_mode_switch();
+	int rec_mode = get_recovery_mode_switch();
 
 	if (((ec_status & 0x3) == EC_IN_RO_MODE) ||
 	    ((ec_status & 0x3) == EC_IN_RECOVERY_MODE)) {

src/mainboard/google/veyron_rialto/mainboard.c

@@ -34,6 +34,7 @@
 #include <symbols.h>
 #include <vbe.h>
 #include <vendorcode/google/chromeos/chromeos.h>
+#include <vboot/vboot_common.h>
 
 #include "board.h"
 
@@ -90,7 +91,7 @@ static void mainboard_init(device_t dev)
 
 	/* If recovery mode is detected, reduce frequency and voltage to reduce
 	 * heat in case machine is left unattended. chrome-os-partner:41201. */
-	if (recovery_mode_enabled())  {
+	if (vboot_recovery_mode_enabled())  {
 		printk(BIOS_DEBUG, "Reducing APLL freq for recovery mode.\n");
 		rkclk_configure_cpu(APLL_600_MHZ);
 		rk808_configure_buck(1, 900);

src/mainboard/intel/strago/chromeos.c

@@ -39,7 +39,7 @@ void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	struct lb_gpio chromeos_gpios[] = {
 		{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
-		{-1, ACTIVE_HIGH, recovery_mode_enabled(), "recovery"},
+		{-1, ACTIVE_HIGH, vboot_recovery_mode_enabled(), "recovery"},
 		{-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"},
 		{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
 		{-1, ACTIVE_HIGH, 0, "power"},

src/northbridge/intel/haswell/gma.c

@@ -457,7 +457,7 @@ static void gma_func0_init(struct device *dev)
 	dp.panel_power_cycle_delay = conf->gpu_panel_power_cycle_delay;
 
 #if IS_ENABLED(CONFIG_CHROMEOS)
-	init_fb = developer_mode_enabled() || recovery_mode_enabled();
+	init_fb = display_init_required();
 #endif
 	lightup_ok = panel_lightup(&dp, init_fb);
 		gfx_set_init_done(1);

src/northbridge/intel/haswell/raminit.c

@@ -14,7 +14,6 @@
  */
 
 #include <console/console.h>
-#include <bootmode.h>
 #include <string.h>
 #include <arch/io.h>
 #include <cbmem.h>
@@ -25,6 +24,7 @@
 #include <northbridge/intel/common/mrc_cache.h>
 #include <pc80/mc146818rtc.h>
 #include <device/pci_def.h>
+#include <vboot/vboot_common.h>
 #include "raminit.h"
 #include "pei_data.h"
 #include "haswell.h"
@@ -121,7 +121,7 @@ void sdram_initialize(struct pei_data *pei_data)
 	 * Do not pass MRC data in for recovery mode boot,
 	 * Always pass it in for S3 resume.
 	 */
-	if (!recovery_mode_enabled() || pei_data->boot_mode == 2)
+	if (!vboot_recovery_mode_enabled() || pei_data->boot_mode == 2)
 		prepare_mrc_cache(pei_data);
 
 	/* If MRC data is not found we cannot continue S3 resume. */

src/northbridge/intel/sandybridge/raminit_mrc.c

@@ -200,7 +200,7 @@ void sdram_initialize(struct pei_data *pei_data)
 	 * Do not pass MRC data in for recovery mode boot,
 	 * Always pass it in for S3 resume.
 	 */
-	if (!recovery_mode_enabled() || pei_data->boot_mode == 2)
+	if (!vboot_recovery_mode_enabled() || pei_data->boot_mode == 2)
 		prepare_mrc_cache(pei_data);
 
 	/* If MRC data is not found we cannot continue S3 resume. */

src/soc/intel/baytrail/romstage/raminit.c

@@ -16,7 +16,6 @@
 #include <stddef.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
-#include <bootmode.h>
 #include <cbfs.h>
 #include <cbmem.h>
 #include <console/console.h>
@@ -31,6 +30,7 @@
 #include <soc/romstage.h>
 #include <ec/google/chromeec/ec.h>
 #include <ec/google/chromeec/ec_commands.h>
+#include <vboot/vboot_common.h>
 
 static void reset_system(void)
 {
@@ -123,7 +123,7 @@ void raminit(struct mrc_params *mp, int prev_sleep_state)
 	if (!mp->io_hole_mb)
 		mp->io_hole_mb = 2048;
 
-	if (recovery_mode_enabled()) {
+	if (vboot_recovery_mode_enabled()) {
 		printk(BIOS_DEBUG, "Recovery mode: not using MRC cache.\n");
 	} else if (!mrc_cache_get_current(&cache)) {
 		mp->saved_data_size = cache->size;

src/soc/intel/broadwell/igd.c

@@ -487,8 +487,7 @@ static void igd_init(struct device *dev)
 	/* Wait for any configured pre-graphics delay */
 	if (!acpi_is_wakeup_s3()) {
 #if IS_ENABLED(CONFIG_CHROMEOS)
-		if (developer_mode_enabled() || recovery_mode_enabled() ||
-		    vboot_wants_oprom())
+		if (display_init_required() || vboot_wants_oprom())
 			mdelay(CONFIG_PRE_GRAPHICS_DELAY);
 #else
 		mdelay(CONFIG_PRE_GRAPHICS_DELAY);

src/soc/intel/broadwell/romstage/raminit.c

@@ -48,7 +48,7 @@ void raminit(struct pei_data *pei_data)
 
 	broadwell_fill_pei_data(pei_data);
 
-	if (recovery_mode_enabled()) {
+	if (vboot_recovery_mode_enabled()) {
 		/* Recovery mode does not use MRC cache */
 		printk(BIOS_DEBUG, "Recovery mode: not using MRC cache.\n");
 	} else if (!mrc_cache_get_current(&cache)) {

src/soc/intel/common/mrc_cache.c

@@ -19,6 +19,8 @@
 #include <cbmem.h>
 #include <fmap.h>
 #include <ip_checksum.h>
+#include <vboot/vboot_common.h>
+
 #include "mrc_cache.h"
 #include "nvm.h"
 

src/soc/intel/skylake/igd.c

@@ -91,8 +91,7 @@ static void igd_init(struct device *dev)
 	/* Wait for any configured pre-graphics delay */
 	if (!acpi_is_wakeup_s3()) {
 #if IS_ENABLED(CONFIG_CHROMEOS)
-		if (developer_mode_enabled() || recovery_mode_enabled() ||
-		    vboot_wants_oprom())
+		if (display_init_required() || vboot_wants_oprom())
 			mdelay(CONFIG_PRE_GRAPHICS_DELAY);
 #else
 		mdelay(CONFIG_PRE_GRAPHICS_DELAY);

src/soc/intel/skylake/romstage/romstage.c

@@ -100,7 +100,7 @@ void soc_memory_init_params(struct romstage_params *params,
 	upd->IedSize = CONFIG_IED_REGION_SIZE;
 	upd->ProbelessTrace = config->ProbelessTrace;
 	upd->EnableTraceHub = config->EnableTraceHub;
-	if (recovery_mode_enabled())
+	if (vboot_recovery_mode_enabled())
 		upd->SaGv = 0; /* Disable SaGv in recovery mode. */
 	else
 		upd->SaGv = config->SaGv;

src/southbridge/intel/bd82x6x/me_8.x.c

@@ -710,7 +710,7 @@ static void intel_me_init(device_t dev)
 		/*
 		 * Unlock ME in recovery mode.
 		 */
-		if (recovery_mode_enabled()) {
+		if (vboot_recovery_mode_enabled()) {
 			/* Unlock ME flash region */
 			mkhi_hmrfpo_enable();
 

src/southbridge/intel/fsp_bd82x6x/me_8.x.c

@@ -709,7 +709,7 @@ static void intel_me_init(device_t dev)
 		/*
 		 * Unlock ME in recovery mode.
 		 */
-		if (recovery_mode_enabled()) {
+		if (vboot_recovery_mode_enabled()) {
 			/* Unlock ME flash region */
 			mkhi_hmrfpo_enable();
 

src/vboot/Makefile.inc

@@ -13,6 +13,14 @@
 ## GNU General Public License for more details.
 ##
 
+bootblock-y += bootmode.c
+romstage-y += bootmode.c
+ramstage-y += bootmode.c
+verstage-y += bootmode.c
+postcar-y += bootmode.c
+
+ifeq ($(CONFIG_VBOOT),y)
+
 libverstage-generic-ccopts += -D__PRE_RAM__ -D__VERSTAGE__
 verstage-generic-ccopts += -D__PRE_RAM__ -D__VERSTAGE__
 
@@ -53,12 +61,6 @@ romstage-y += vboot_common.c
 ramstage-y += vboot_common.c
 postcar-y += vboot_common.c
 
-bootblock-y += recovery.c
-romstage-y += recovery.c
-ramstage-y += recovery.c
-verstage-y += recovery.c
-postcar-y += recovery.c
-
 bootblock-y += common.c
 libverstage-y += vboot_logic.c
 verstage-y += common.c
@@ -141,3 +143,5 @@ regions-for-file = $(subst $(spc),$(comma),$(sort \
 		font.bin \
 		vbgfx.bin \
 		,$(1)),COREBOOT,COREBOOT FW_MAIN_A FW_MAIN_B)))
+
+endif # CONFIG_VBOOT

src/vboot/bootmode.c

@@ -89,6 +89,9 @@ static int cbmem_possibly_online(void)
  */
 static int vboot_possibly_executed(void)
 {
+	if (!IS_ENABLED(CONFIG_VBOOT))
+		return 0;
+
 	if (IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK)) {
 		if (ENV_BOOTBLOCK && IS_ENABLED(CONFIG_SEPARATE_VERSTAGE))
 			return 0;
@@ -150,3 +153,25 @@ int vboot_check_recovery_request(void)
 
 	return 0;
 }
+
+int vboot_recovery_mode_enabled(void)
+{
+	if (!IS_ENABLED(CONFIG_VBOOT))
+		return 0;
+
+	return !!vboot_check_recovery_request();
+}
+
+int vboot_developer_mode_enabled(void)
+{
+	if (!IS_ENABLED(CONFIG_VBOOT))
+		return 0;
+
+	if (get_developer_mode_switch())
+		return 1;
+
+	if (cbmem_possibly_online() && vboot_handoff_check_developer_flag())
+		return 1;
+
+	return 0;
+}

src/vboot/vboot_common.h

@@ -101,4 +101,8 @@ void verstage_main(void);
 void verstage(void);
 void verstage_mainboard_init(void);
 
+/* Check boot modes */
+int vboot_developer_mode_enabled(void);
+int vboot_recovery_mode_enabled(void);
+
 #endif /* __VBOOT_VBOOT_COMMON_H__ */

src/vendorcode/google/chromeos/Kconfig

@@ -25,7 +25,6 @@ config CHROMEOS
 	select TPM2 if MAINBOARD_HAS_TPM2
 	select TPM_INIT_FAILURE_IS_FATAL if PC80_SYSTEM && LPC_TPM
 	select SKIP_TPM_STARTUP_ON_NORMAL_BOOT if PC80_SYSTEM && LPC_TPM
-	select BOOTMODE_STRAPS
 	select ELOG if SPI_FLASH
 	select COLLECT_TIMESTAMPS
 	select VBOOT

src/vendorcode/google/chromeos/elog.c

@@ -25,10 +25,10 @@
 
 void elog_add_boot_reason(void)
 {
-	if (developer_mode_enabled()) {
+	if (vboot_developer_mode_enabled()) {
 		elog_add_event(ELOG_TYPE_CROS_DEVELOPER_MODE);
 		printk(BIOS_DEBUG, "%s: Logged dev mode boot\n", __func__);
-	} else if (recovery_mode_enabled()) {
+	} else if (vboot_recovery_mode_enabled()) {
 		u8 reason = 0;
 #if CONFIG_VBOOT
 		struct vboot_handoff *vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);

src/vendorcode/google/chromeos/gnvs.c

@@ -53,10 +53,10 @@ void chromeos_init_vboot(chromeos_acpi_t *chromeos)
 #endif
 
 #if CONFIG_ELOG
-	if (developer_mode_enabled() ||
-	    (vboot_wants_oprom() && !recovery_mode_enabled()))
+	if (vboot_developer_mode_enabled() ||
+	    (vboot_wants_oprom() && !vboot_recovery_mode_enabled()))
 		elog_add_event(ELOG_TYPE_CROS_DEVELOPER_MODE);
-	if (recovery_mode_enabled()) {
+	if (vboot_recovery_mode_enabled()) {
 		int reason = get_recovery_mode_from_vbnv();
 #if CONFIG_VBOOT
 		if (vboot_handoff && !reason) {