From b186cfa1a3b20ef6c862040838db243dc5bbd828 Mon Sep 17 00:00:00 2001
From: Ian Ray <ian.ray@ge.com>
Date: Tue, 12 Nov 2019 19:15:18 +0000
Subject: [PATCH] board: ge: pass rtc_status via device tree

Pass rtc_status via the device tree, instead of on kernel command line.
Additionally, the 2038 mitigation is reported, if applied successfully.

Signed-off-by: Ian Ray <ian.ray@ge.com>
Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
---
 board/ge/bx50v3/bx50v3.c    |  7 ++++++-
 board/ge/common/ge_common.c | 20 +++++++++++++-------
 board/ge/mx53ppd/mx53ppd.c  |  7 ++++++-
 include/configs/ge_bx50v3.h |  2 +-
 include/configs/mx53ppd.h   |  2 +-
 5 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index d3aaa2d..89607cf 100644
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -649,8 +649,13 @@ int checkboard(void)
 #ifdef CONFIG_OF_BOARD_SETUP
 int ft_board_setup(void *blob, bd_t *bd)
 {
+	char *rtc_status = env_get("rtc_status");
+
 	fdt_setprop(blob, 0, "ge,boot-ver", version_string,
-	                                    strlen(version_string) + 1);
+		    strlen(version_string) + 1);
+
+	fdt_setprop(blob, 0, "ge,rtc-status", rtc_status,
+		    strlen(rtc_status) + 1);
 	return 0;
 }
 #endif
diff --git a/board/ge/common/ge_common.c b/board/ge/common/ge_common.c
index 501c8b2..d7e21de 100644
--- a/board/ge/common/ge_common.c
+++ b/board/ge/common/ge_common.c
@@ -17,8 +17,10 @@ void check_time(void)
 	unsigned int current_i2c_bus = i2c_get_bus_num();
 
 	ret = i2c_set_bus_num(CONFIG_SYS_RTC_BUS_NUM);
-	if (ret < 0)
+	if (ret < 0) {
+		env_set("rtc_status", "FAIL");
 		return;
+	}
 
 	rtc_init();
 
@@ -28,10 +30,7 @@ void check_time(void)
 			break;
 	}
 
-	if (ret < 0)
-		env_set("rtc_status", "RTC_ERROR");
-
-	if (tm.tm_year > 2037) {
+	if (!ret && tm.tm_year > 2037) {
 		tm.tm_sec  = 0;
 		tm.tm_min  = 0;
 		tm.tm_hour = 0;
@@ -46,10 +45,17 @@ void check_time(void)
 				break;
 		}
 
-		if (ret < 0)
-			env_set("rtc_status", "RTC_ERROR");
+		if (ret >= 0)
+			ret = 2038;
 	}
 
+	if (ret < 0)
+		env_set("rtc_status", "FAIL");
+	else if (ret == 2038)
+		env_set("rtc_status", "2038");
+	else
+		env_set("rtc_status", "OK");
+
 	i2c_set_bus_num(current_i2c_bus);
 }
 
diff --git a/board/ge/mx53ppd/mx53ppd.c b/board/ge/mx53ppd/mx53ppd.c
index 51b5d89..bfcee44 100644
--- a/board/ge/mx53ppd/mx53ppd.c
+++ b/board/ge/mx53ppd/mx53ppd.c
@@ -314,8 +314,13 @@ int checkboard(void)
 #ifdef CONFIG_OF_BOARD_SETUP
 int ft_board_setup(void *blob, bd_t *bd)
 {
+	char *rtc_status = env_get("rtc_status");
+
 	fdt_setprop(blob, 0, "ge,boot-ver", version_string,
-	                                    strlen(version_string) + 1);
+		    strlen(version_string) + 1);
+
+	fdt_setprop(blob, 0, "ge,rtc-status", rtc_status,
+		    strlen(rtc_status) + 1);
 	return 0;
 }
 #endif
diff --git a/include/configs/ge_bx50v3.h b/include/configs/ge_bx50v3.h
index 1c7ba36..dad906d 100644
--- a/include/configs/ge_bx50v3.h
+++ b/include/configs/ge_bx50v3.h
@@ -93,7 +93,7 @@
 	"setargs=setenv bootargs root=/dev/${rootdev}${partnum} " \
 		"ro rootwait cma=128M " \
 		"bootcause=${bootcause} " \
-		"${quiet} console=${console} ${rtc_status} " \
+		"${quiet} console=${console} " \
 		"${videoargs}" "\0" \
 	"doquiet=" \
 		"if ext2load ${dev} ${devnum}:5 0x7000A000 /boot/console; " \
diff --git a/include/configs/mx53ppd.h b/include/configs/mx53ppd.h
index f7667ec..9361507 100644
--- a/include/configs/mx53ppd.h
+++ b/include/configs/mx53ppd.h
@@ -101,7 +101,7 @@
 	"lvds=ldb\0" \
 	"setargs=setenv bootargs ${lvds} jtag=on mem=2G " \
 		"vt.global_cursor_default=0 bootcause=${bootcause} ${quiet} " \
-		"console=${console} ${rtc_status}\0" \
+		"console=${console}\0" \
 	"bootargs_emmc=setenv bootargs root=/dev/${rootdev}${partnum} ro " \
 		"rootwait ${bootargs}\0" \
 	"doquiet=if ext2load ${dev} ${devnum}:5 0x7000A000 /boot/console; " \
-- 
2.7.4