[coreboot-gerrit] Patch set updated for coreboot: chromeos: Clean up elog handling
Furquan Shaikh (furquan@google.com)
gerrit at coreboot.org
Tue Jul 26 17:34:32 CEST 2016
Furquan Shaikh (furquan at google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15897
-gerrit
commit 76b67d757de489351b4cf5eed88c0608ff9639b8
Author: Furquan Shaikh <furquan at google.com>
Date: Mon Jul 25 17:00:07 2016 -0700
chromeos: Clean up elog handling
1. Currenty, boot reason is being added to elog only for some
ARM32/ARM64 platforms. Change this so that boot reason is logged by
default in elog for all devices which have CHROMEOS selected.
2. Add a new option to select ELOG_WATCHDOG_RESET for the devices that
want to add details about watchdog reset in elog. This requires a
special region WATCHDOG to be present in the memlayout.
3. Remove calls to elog add boot reason and watchdog reset from
mainboards.
BUG=chrome-os-partner:55639
Change-Id: I91ff5b158cfd2a0749e7fefc498d8659f7e6aa91
Signed-off-by: Furquan Shaikh <furquan at google.com>
---
src/mainboard/google/gru/mainboard.c | 3 ---
src/mainboard/google/nyan/mainboard.c | 4 ---
src/mainboard/google/nyan_big/mainboard.c | 4 ---
src/mainboard/google/nyan_blaze/mainboard.c | 4 ---
src/mainboard/google/oak/mainboard.c | 4 ---
src/mainboard/google/rush_ryu/mainboard.c | 3 ---
src/mainboard/google/veyron/mainboard.c | 4 ---
src/mainboard/google/veyron_brain/mainboard.c | 4 ---
src/mainboard/google/veyron_danger/mainboard.c | 4 ---
src/mainboard/google/veyron_emile/mainboard.c | 4 ---
src/mainboard/google/veyron_mickey/mainboard.c | 4 ---
src/mainboard/google/veyron_rialto/mainboard.c | 4 ---
src/mainboard/google/veyron_romy/mainboard.c | 4 ---
src/vendorcode/google/chromeos/Makefile.inc | 2 +-
src/vendorcode/google/chromeos/chromeos.h | 6 -----
src/vendorcode/google/chromeos/elog.c | 36 +++++++++++++++++---------
src/vendorcode/google/chromeos/watchdog.c | 15 ++++++++++-
17 files changed, 39 insertions(+), 70 deletions(-)
diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c
index 5a6b82c..7ec377f 100644
--- a/src/mainboard/google/gru/mainboard.c
+++ b/src/mainboard/google/gru/mainboard.c
@@ -189,9 +189,6 @@ static void mainboard_init(device_t dev)
register_reset_to_bl31();
register_poweroff_to_bl31();
setup_rtc();
-
- elog_init();
- elog_add_boot_reason();
}
static void enable_backlight_booster(void)
diff --git a/src/mainboard/google/nyan/mainboard.c b/src/mainboard/google/nyan/mainboard.c
index 48a0d1c..92bb3e3 100644
--- a/src/mainboard/google/nyan/mainboard.c
+++ b/src/mainboard/google/nyan/mainboard.c
@@ -242,10 +242,6 @@ static void mainboard_init(device_t dev)
setup_kernel_info();
clock_init_arm_generic_timer();
setup_ec_spi();
-#if CONFIG_ELOG
- elog_init();
- elog_add_boot_reason();
-#endif
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/nyan_big/mainboard.c b/src/mainboard/google/nyan_big/mainboard.c
index a2fef3c..0c0fe5e 100644
--- a/src/mainboard/google/nyan_big/mainboard.c
+++ b/src/mainboard/google/nyan_big/mainboard.c
@@ -240,10 +240,6 @@ static void mainboard_init(device_t dev)
setup_kernel_info();
clock_init_arm_generic_timer();
setup_ec_spi();
-#if CONFIG_ELOG
- elog_init();
- elog_add_boot_reason();
-#endif
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/nyan_blaze/mainboard.c b/src/mainboard/google/nyan_blaze/mainboard.c
index 7ceb123..c3b936c 100644
--- a/src/mainboard/google/nyan_blaze/mainboard.c
+++ b/src/mainboard/google/nyan_blaze/mainboard.c
@@ -240,10 +240,6 @@ static void mainboard_init(device_t dev)
setup_kernel_info();
clock_init_arm_generic_timer();
setup_ec_spi();
-#if CONFIG_ELOG
- elog_init();
- elog_add_boot_reason();
-#endif
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/oak/mainboard.c b/src/mainboard/google/oak/mainboard.c
index 1bf8d49..1c9a8da 100644
--- a/src/mainboard/google/oak/mainboard.c
+++ b/src/mainboard/google/oak/mainboard.c
@@ -263,10 +263,6 @@ static void mainboard_init(device_t dev)
configure_usb_hub();
configure_ext_buck();
configure_touchscreen();
-
- elog_init();
- elog_add_watchdog_reset();
- elog_add_boot_reason();
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/rush_ryu/mainboard.c b/src/mainboard/google/rush_ryu/mainboard.c
index b53b0ff..64e01ec 100644
--- a/src/mainboard/google/rush_ryu/mainboard.c
+++ b/src/mainboard/google/rush_ryu/mainboard.c
@@ -269,9 +269,6 @@ static void mainboard_init(device_t dev)
/* Temp hack for P1 board: Enable speaker amp (powerup, etc.) */
enable_ad4567_spkr_amp();
- elog_init();
- elog_add_boot_reason();
-
fix_ec_sw_sync();
/* configure panel gpio pads */
diff --git a/src/mainboard/google/veyron/mainboard.c b/src/mainboard/google/veyron/mainboard.c
index cbc82e9..a6bbf88 100644
--- a/src/mainboard/google/veyron/mainboard.c
+++ b/src/mainboard/google/veyron/mainboard.c
@@ -108,10 +108,6 @@ static void mainboard_init(device_t dev)
configure_emmc();
configure_codec();
configure_vop();
-
- elog_init();
- elog_add_watchdog_reset();
- elog_add_boot_reason();
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/veyron_brain/mainboard.c b/src/mainboard/google/veyron_brain/mainboard.c
index 22faf64..cc07278 100644
--- a/src/mainboard/google/veyron_brain/mainboard.c
+++ b/src/mainboard/google/veyron_brain/mainboard.c
@@ -93,10 +93,6 @@ static void mainboard_init(device_t dev)
configure_codec();
configure_vop();
configure_hdmi();
-
- elog_init();
- elog_add_watchdog_reset();
- elog_add_boot_reason();
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/veyron_danger/mainboard.c b/src/mainboard/google/veyron_danger/mainboard.c
index f923da9..39f0b2a 100644
--- a/src/mainboard/google/veyron_danger/mainboard.c
+++ b/src/mainboard/google/veyron_danger/mainboard.c
@@ -149,10 +149,6 @@ static void mainboard_init(device_t dev)
configure_codec();
configure_vop();
configure_hdmi();
-
- elog_init();
- elog_add_watchdog_reset();
- elog_add_boot_reason();
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/veyron_emile/mainboard.c b/src/mainboard/google/veyron_emile/mainboard.c
index 5e9c1c1..b264df9 100644
--- a/src/mainboard/google/veyron_emile/mainboard.c
+++ b/src/mainboard/google/veyron_emile/mainboard.c
@@ -111,10 +111,6 @@ static void mainboard_init(device_t dev)
configure_i2s();
configure_vop();
configure_hdmi();
-
- elog_init();
- elog_add_watchdog_reset();
- elog_add_boot_reason();
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/veyron_mickey/mainboard.c b/src/mainboard/google/veyron_mickey/mainboard.c
index 27e9f74..ef085b2 100644
--- a/src/mainboard/google/veyron_mickey/mainboard.c
+++ b/src/mainboard/google/veyron_mickey/mainboard.c
@@ -87,10 +87,6 @@ static void mainboard_init(device_t dev)
configure_i2s();
configure_vop();
configure_hdmi();
-
- elog_init();
- elog_add_watchdog_reset();
- elog_add_boot_reason();
}
static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/veyron_rialto/mainboard.c b/src/mainboard/google/veyron_rialto/mainboard.c
index b4f7685..b9b6a22 100644
--- a/src/mainboard/google/veyron_rialto/mainboard.c
+++ b/src/mainboard/google/veyron_rialto/mainboard.c
@@ -85,10 +85,6 @@ static void mainboard_init(device_t dev)
configure_3g();
/* No video. */
- elog_init();
- elog_add_watchdog_reset();
- elog_add_boot_reason();
-
/* If recovery mode is detected, reduce frequency and voltage to reduce
* heat in case machine is left unattended. chrome-os-partner:41201. */
if (vboot_recovery_mode_enabled()) {
diff --git a/src/mainboard/google/veyron_romy/mainboard.c b/src/mainboard/google/veyron_romy/mainboard.c
index c023338..9f68a09 100644
--- a/src/mainboard/google/veyron_romy/mainboard.c
+++ b/src/mainboard/google/veyron_romy/mainboard.c
@@ -86,10 +86,6 @@ static void mainboard_init(device_t dev)
configure_emmc();
configure_codec();
configure_vop();
-
- elog_init();
- elog_add_watchdog_reset();
- elog_add_boot_reason();
}
static void mainboard_enable(device_t dev)
diff --git a/src/vendorcode/google/chromeos/Makefile.inc b/src/vendorcode/google/chromeos/Makefile.inc
index 590818f..ebfc1b2 100644
--- a/src/vendorcode/google/chromeos/Makefile.inc
+++ b/src/vendorcode/google/chromeos/Makefile.inc
@@ -49,7 +49,7 @@ ramstage-$(CONFIG_CHROMEOS_RAMOOPS) += ramoops.c
romstage-y += vpd_decode.c
ramstage-y += vpd_decode.c cros_vpd.c vpd_mac.c vpd_serialno.c vpd_calibration.c
ramstage-$(CONFIG_HAVE_REGULATORY_DOMAIN) += wrdd.c
-ifeq ($(CONFIG_ARCH_X86)$(CONFIG_ARCH_MIPS),)
+ifeq ($(CONFIG_ARCH_MIPS),)
bootblock-y += watchdog.c
ramstage-y += watchdog.c
endif
diff --git a/src/vendorcode/google/chromeos/chromeos.h b/src/vendorcode/google/chromeos/chromeos.h
index e3f831a..a44b19f 100644
--- a/src/vendorcode/google/chromeos/chromeos.h
+++ b/src/vendorcode/google/chromeos/chromeos.h
@@ -28,16 +28,10 @@
void save_chromeos_gpios(void);
#if CONFIG_CHROMEOS
-/* functions implemented in elog.c */
-void elog_add_boot_reason(void);
-
/* functions implemented in watchdog.c */
-void elog_add_watchdog_reset(void);
void mark_watchdog_tombstone(void);
void reboot_from_watchdog(void);
#else
-static inline void elog_add_boot_reason(void) { return; }
-static inline void elog_add_watchdog_reset(void) { return; }
static inline void mark_watchdog_tombstone(void) { return; }
static inline void reboot_from_watchdog(void) { return; }
#endif /* CONFIG_CHROMEOS */
diff --git a/src/vendorcode/google/chromeos/elog.c b/src/vendorcode/google/chromeos/elog.c
index ca8e1a9..b983f6d 100644
--- a/src/vendorcode/google/chromeos/elog.c
+++ b/src/vendorcode/google/chromeos/elog.c
@@ -13,6 +13,7 @@
* GNU General Public License for more details.
*/
+#include <bootstate.h>
#include <cbmem.h>
#include <console/console.h>
#include <elog.h>
@@ -20,19 +21,30 @@
#include <vboot/vboot_common.h>
#include <vboot_struct.h>
-void elog_add_boot_reason(void)
+static void elog_add_boot_reason(void *unused)
{
- 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 (vboot_recovery_mode_enabled()) {
+
+ if (!IS_ENABLED(CONFIG_ELOG))
+ return;
+
+ int rec = vboot_recovery_mode_enabled();
+ int dev = vboot_developer_mode_enabled();
+
+ if (!rec && !dev) {
+ return;
+ }
+
+ if (rec) {
u8 reason = vboot_check_recovery_request();
- elog_add_event_byte(ELOG_TYPE_CROS_RECOVERY_MODE,
- reason ? reason : ELOG_CROS_RECOVERY_MODE_BUTTON);
- printk(BIOS_DEBUG, "%s: Logged recovery mode boot, "
- "reason: 0x%02x\n", __func__, reason);
- } else {
- printk(BIOS_DEBUG, "%s: Normal mode boot, nothing "
- "interesting to log\n", __func__);
+ elog_add_event_byte(ELOG_TYPE_CROS_RECOVERY_MODE, reason);
+ printk(BIOS_DEBUG, "%s: Logged recovery mode boot%s, "
+ "reason: 0x%02x\n", __func__,
+ dev ? " (Dev-switch on)" : "", reason);
+ return;
}
+
+ elog_add_event(ELOG_TYPE_CROS_DEVELOPER_MODE);
+ printk(BIOS_DEBUG, "%s: Logged dev mode boot\n", __func__);
}
+
+BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, elog_add_boot_reason, NULL);
diff --git a/src/vendorcode/google/chromeos/watchdog.c b/src/vendorcode/google/chromeos/watchdog.c
index a2b18b7..fdaa177 100644
--- a/src/vendorcode/google/chromeos/watchdog.c
+++ b/src/vendorcode/google/chromeos/watchdog.c
@@ -14,24 +14,37 @@
*/
#include <arch/io.h>
+#include <assert.h>
+#include <bootstate.h>
#include <console/console.h>
#include <elog.h>
#include <reset.h>
+#include <symbols.h>
#include "chromeos.h"
#include "symbols.h"
#define WATCHDOG_TOMBSTONE_MAGIC 0x9d2f41a7
-void elog_add_watchdog_reset(void)
+DECLARE_OPTIONAL_REGION(watchdog_tombstone);
+
+static void elog_handle_watchdog_tombstone(void *unused)
{
+ if (!_watchdog_tombstone_size)
+ return;
+
if (read32(_watchdog_tombstone) == WATCHDOG_TOMBSTONE_MAGIC)
elog_add_event(ELOG_TYPE_ASYNC_HW_TIMER_EXPIRED);
+
write32(_watchdog_tombstone, 0);
}
+BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY,
+ elog_handle_watchdog_tombstone, NULL);
+
void mark_watchdog_tombstone(void)
{
+ assert(_watchdog_tombstone_size);
write32(_watchdog_tombstone, WATCHDOG_TOMBSTONE_MAGIC);
}
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