Merge commit '32e0379143b433e29d76404f5f4c279067e48853' of https://github.com/tienfong/uboot_mainline

4 files changed, 54 insertions, 4 deletions

diff --git a/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi b/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi
index 6cac36a1fc..2400fad18a 100644
--- a/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi
+++ b/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi
@@ -2,7 +2,7 @@
 /*
  * U-Boot additions
  *
- * Copyright (C) 2019 Intel Corporation <www.intel.com>
+ * Copyright (C) 2019-2022 Intel Corporation <www.intel.com>
  */
 
 #include "socfpga_agilex-u-boot.dtsi"
@@ -11,6 +11,15 @@
 	aliases {
 		spi0 = &qspi;
 		i2c0 = &i2c1;
+		freeze_br0 = &freeze_controller;
+	};
+
+	soc {
+		freeze_controller: freeze_controller@f9000450 {
+			compatible = "altr,freeze-bridge-controller";
+			reg = <0xf9000450 0x00000010>;
+			status = "disabled";
+		};
 	};
 
 	memory {
diff --git a/arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi b/arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi
index 61df425f14..75a29045da 100755
--- a/arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi
+++ b/arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi
@@ -2,7 +2,7 @@
 /*
  * U-Boot additions
  *
- * Copyright (C) 2019-2020 Intel Corporation <www.intel.com>
+ * Copyright (C) 2019-2022 Intel Corporation <www.intel.com>
  */
 
 #include "socfpga_stratix10-u-boot.dtsi"
@@ -10,6 +10,15 @@
 /{
 	aliases {
 		spi0 = &qspi;
+		freeze_br0 = &freeze_controller;
+	};
+
+	soc {
+		freeze_controller: freeze_controller@f9000450 {
+			compatible = "altr,freeze-bridge-controller";
+			reg = <0xf9000450 0x00000010>;
+			status = "disabled";
+		};
 	};
 };
 
diff --git a/arch/arm/dts/socfpga_stratix10_socdk.dts b/arch/arm/dts/socfpga_stratix10_socdk.dts
index b7b48a5d31..8aa55a60ab 100755
--- a/arch/arm/dts/socfpga_stratix10_socdk.dts
+++ b/arch/arm/dts/socfpga_stratix10_socdk.dts
@@ -92,7 +92,7 @@
 	broken-cd;
 	bus-width = <4>;
 	drvsel = <3>;
-	smplsel = <0>;
+	smplsel = <2>;
 };
 
 &qspi {
diff --git a/arch/arm/mach-socfpga/timer_s10.c b/arch/arm/mach-socfpga/timer_s10.c
index 7d5598e1a3..84b13ce9d3 100644
--- a/arch/arm/mach-socfpga/timer_s10.c
+++ b/arch/arm/mach-socfpga/timer_s10.c
@@ -1,11 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2017-2018 Intel Corporation <www.intel.com>
+ * Copyright (C) 2017-2022 Intel Corporation <www.intel.com>
  *
  */
 
 #include <common.h>
 #include <init.h>
+#include <div64.h>
 #include <asm/io.h>
 #include <asm/arch/timer.h>
 
@@ -26,3 +27,34 @@ int timer_init(void)
 #endif
 	return 0;
 }
+
+__always_inline u64 __get_time_stamp(void)
+{
+	u64 cntpct;
+
+	isb();
+	asm volatile("mrs %0, cntpct_el0" : "=r" (cntpct));
+
+	return cntpct;
+}
+
+__always_inline uint64_t __usec_to_tick(unsigned long usec)
+{
+	u64 tick = usec;
+	u64 cntfrq;
+
+	asm volatile("mrs %0, cntfrq_el0" : "=r" (cntfrq));
+	tick *= cntfrq;
+	do_div(tick, 1000000);
+
+	return tick;
+}
+
+__always_inline void __udelay(unsigned long usec)
+{
+	/* get current timestamp */
+	u64 tmp = __get_time_stamp() + __usec_to_tick(usec);
+
+	while (__get_time_stamp() < tmp + 1)	/* loop till event */
+		;
+}
\ No newline at end of file