aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorTom Rini <trini@konsulko.com>2022-06-17 09:35:28 -0400
committerTom Rini <trini@konsulko.com>2022-06-17 09:35:28 -0400
commitf0843e0c0ab2c05da81b89b2c0ce7955510aff8a (patch)
treec23bf4390e489d06061ad840b83083973a76d21e /arch
parentee4b80a6e276c433f1c59669b7fec47d6146ceaf (diff)
parent32e0379143b433e29d76404f5f4c279067e48853 (diff)
downloadu-boot-f0843e0c0ab2c05da81b89b2c0ce7955510aff8a.zip
u-boot-f0843e0c0ab2c05da81b89b2c0ce7955510aff8a.tar.gz
u-boot-f0843e0c0ab2c05da81b89b2c0ce7955510aff8a.tar.bz2
Merge commit '32e0379143b433e29d76404f5f4c279067e48853' of https://github.com/tienfong/uboot_mainline
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi11
-rwxr-xr-xarch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi11
-rwxr-xr-xarch/arm/dts/socfpga_stratix10_socdk.dts2
-rw-r--r--arch/arm/mach-socfpga/timer_s10.c34
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 6cac36a..2400fad 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 61df425..75a2904 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 b7b48a5..8aa55a6 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 7d5598e..84b13ce 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