* [PATCH v2 0/2] syscon reboot/reboot_mode support for exynosautov9 [not found] <CGME20220520115216epcas2p26c1e257460970bfecabd621bc733a85d@epcas2p2.samsung.com> @ 2022-05-20 11:52 ` Chanho Park 2022-05-20 11:52 ` [PATCH v2 1/2] dt-bindings: soc: add samsung,boot-mode definitions Chanho Park 2022-05-20 11:52 ` [PATCH v2 2/2] arm64: dts: exynoautov9: add syscon reboot/reboot_mode support Chanho Park 0 siblings, 2 replies; 5+ messages in thread From: Chanho Park @ 2022-05-20 11:52 UTC (permalink / raw) To: Rob Herring, Krzysztof Kozlowski Cc: Alim Akhtar, Chanwoo Choi, Sam Protsenko, linux-samsung-soc, devicetree, Chanho Park This adds to support syscon reboot and reboot_mode for Exynos Auto v9 SoC. Changes from v1: - Add samsung,boot-mode.h header which include reboot mode definitions - syscon-reboot-mode -> reboot-mode Chanho Park (2): dt-bindings: soc: add samsung,boot-mode definitions arm64: dts: exynoautov9: add syscon reboot/reboot_mode support arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 17 +++++++++++++++++ include/dt-bindings/soc/samsung,boot-mode.h | 12 ++++++++++++ 2 files changed, 29 insertions(+) create mode 100644 include/dt-bindings/soc/samsung,boot-mode.h -- 2.36.1 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v2 1/2] dt-bindings: soc: add samsung,boot-mode definitions 2022-05-20 11:52 ` [PATCH v2 0/2] syscon reboot/reboot_mode support for exynosautov9 Chanho Park @ 2022-05-20 11:52 ` Chanho Park 2022-05-21 14:44 ` Krzysztof Kozlowski 2022-05-20 11:52 ` [PATCH v2 2/2] arm64: dts: exynoautov9: add syscon reboot/reboot_mode support Chanho Park 1 sibling, 1 reply; 5+ messages in thread From: Chanho Park @ 2022-05-20 11:52 UTC (permalink / raw) To: Rob Herring, Krzysztof Kozlowski Cc: Alim Akhtar, Chanwoo Choi, Sam Protsenko, linux-samsung-soc, devicetree, Chanho Park Adds samsung,boot-mode.h header file which contains boot mode definitions for bootloader. As for now, there are only boot mode definitions for Exynos Auto v9 SoC. Signed-off-by: Chanho Park <chanho61.park@samsung.com> --- include/dt-bindings/soc/samsung,boot-mode.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 include/dt-bindings/soc/samsung,boot-mode.h diff --git a/include/dt-bindings/soc/samsung,boot-mode.h b/include/dt-bindings/soc/samsung,boot-mode.h new file mode 100644 index 000000000000..f1d03d96f45c --- /dev/null +++ b/include/dt-bindings/soc/samsung,boot-mode.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __SAMSUNG_BOOT_MODE_H +#define __SAMSUNG_BOOT_MODE_H + +/* Boot mode definitions for Exynos Auto v9 SoC */ + +#define EXYNOSAUTOV9_BOOT_FASTBOOT (0xfa) +#define EXYNOSAUTOV9_BOOT_BOOTLOADER (0xfc) +#define EXYNOSAUTOV9_BOOT_RECOVERY (0xff) + +#endif -- 2.36.1 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v2 1/2] dt-bindings: soc: add samsung,boot-mode definitions 2022-05-20 11:52 ` [PATCH v2 1/2] dt-bindings: soc: add samsung,boot-mode definitions Chanho Park @ 2022-05-21 14:44 ` Krzysztof Kozlowski 2022-05-23 11:28 ` Chanho Park 0 siblings, 1 reply; 5+ messages in thread From: Krzysztof Kozlowski @ 2022-05-21 14:44 UTC (permalink / raw) To: Chanho Park, Rob Herring, Krzysztof Kozlowski Cc: Alim Akhtar, Chanwoo Choi, Sam Protsenko, linux-samsung-soc, devicetree On 20/05/2022 13:52, Chanho Park wrote: > Adds samsung,boot-mode.h header file which contains boot mode > definitions for bootloader. As for now, there are only boot mode > definitions for Exynos Auto v9 SoC. > > Signed-off-by: Chanho Park <chanho61.park@samsung.com> Thank you for your patch. There is something to discuss/improve. > --- > include/dt-bindings/soc/samsung,boot-mode.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > create mode 100644 include/dt-bindings/soc/samsung,boot-mode.h > > diff --git a/include/dt-bindings/soc/samsung,boot-mode.h b/include/dt-bindings/soc/samsung,boot-mode.h > new file mode 100644 > index 000000000000..f1d03d96f45c > --- /dev/null > +++ b/include/dt-bindings/soc/samsung,boot-mode.h > @@ -0,0 +1,12 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ Dual license: GPL-2.0-only OR BSD-2-Clause > + > +#ifndef __SAMSUNG_BOOT_MODE_H __DT_BINDINGS_SAMSUNG_BOOT_MODE_H > +#define __SAMSUNG_BOOT_MODE_H > + > +/* Boot mode definitions for Exynos Auto v9 SoC */ > + > +#define EXYNOSAUTOV9_BOOT_FASTBOOT (0xfa) > +#define EXYNOSAUTOV9_BOOT_BOOTLOADER (0xfc) > +#define EXYNOSAUTOV9_BOOT_RECOVERY (0xff) No need for (). > + > +#endif Best regards, Krzysztof ^ permalink raw reply [flat|nested] 5+ messages in thread
* RE: [PATCH v2 1/2] dt-bindings: soc: add samsung,boot-mode definitions 2022-05-21 14:44 ` Krzysztof Kozlowski @ 2022-05-23 11:28 ` Chanho Park 0 siblings, 0 replies; 5+ messages in thread From: Chanho Park @ 2022-05-23 11:28 UTC (permalink / raw) To: 'Krzysztof Kozlowski', 'Rob Herring', 'Krzysztof Kozlowski' Cc: 'Alim Akhtar', 'Chanwoo Choi', 'Sam Protsenko', linux-samsung-soc, devicetree > > Adds samsung,boot-mode.h header file which contains boot mode > > definitions for bootloader. As for now, there are only boot mode > > definitions for Exynos Auto v9 SoC. > > > > Signed-off-by: Chanho Park <chanho61.park@samsung.com> > > Thank you for your patch. There is something to discuss/improve. > > > --- > > include/dt-bindings/soc/samsung,boot-mode.h | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > create mode 100644 include/dt-bindings/soc/samsung,boot-mode.h > > > > diff --git a/include/dt-bindings/soc/samsung,boot-mode.h > > b/include/dt-bindings/soc/samsung,boot-mode.h > > new file mode 100644 > > index 000000000000..f1d03d96f45c > > --- /dev/null > > +++ b/include/dt-bindings/soc/samsung,boot-mode.h > > @@ -0,0 +1,12 @@ > > +/* SPDX-License-Identifier: GPL-2.0 */ > > Dual license: > GPL-2.0-only OR BSD-2-Clause Okay. I'll update this on v3. > > > + > > +#ifndef __SAMSUNG_BOOT_MODE_H > > __DT_BINDINGS_SAMSUNG_BOOT_MODE_H > > > +#define __SAMSUNG_BOOT_MODE_H > > + > > +/* Boot mode definitions for Exynos Auto v9 SoC */ > > + > > +#define EXYNOSAUTOV9_BOOT_FASTBOOT (0xfa) > > +#define EXYNOSAUTOV9_BOOT_BOOTLOADER (0xfc) > > +#define EXYNOSAUTOV9_BOOT_RECOVERY (0xff) > > No need for (). Thanks. Will be removed on v3. Best Regards, Chanho Park ^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v2 2/2] arm64: dts: exynoautov9: add syscon reboot/reboot_mode support 2022-05-20 11:52 ` [PATCH v2 0/2] syscon reboot/reboot_mode support for exynosautov9 Chanho Park 2022-05-20 11:52 ` [PATCH v2 1/2] dt-bindings: soc: add samsung,boot-mode definitions Chanho Park @ 2022-05-20 11:52 ` Chanho Park 1 sibling, 0 replies; 5+ messages in thread From: Chanho Park @ 2022-05-20 11:52 UTC (permalink / raw) To: Rob Herring, Krzysztof Kozlowski Cc: Alim Akhtar, Chanwoo Choi, Sam Protsenko, linux-samsung-soc, devicetree, Chanho Park Reboot of exynosautov9 SoC can be handled by setting the bit( SWRESET_SYSTEM[1]) of SYSTEM_CONFIGURATION register(PMU + 0x3a00). syscon-reboot-mode can be used to indicate the reboot mode for bootloader. SYSIP_DAT0 register(PMU + 0x810) will not be cleared after reboot so bootloader can enter the boot mode according to the value. Signed-off-by: Chanho Park <chanho61.park@samsung.com> --- arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi index 0ce46ec5cdc3..3e23db8f09d9 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi +++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi @@ -8,6 +8,7 @@ #include <dt-bindings/clock/samsung,exynosautov9.h> #include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/soc/samsung,boot-mode.h> #include <dt-bindings/soc/samsung,exynos-usi.h> / { @@ -312,6 +313,22 @@ pinctrl_peric1: pinctrl@10830000 { pmu_system_controller: system-controller@10460000 { compatible = "samsung,exynos7-pmu", "syscon"; reg = <0x10460000 0x10000>; + + reboot: syscon-reboot { + compatible = "syscon-reboot"; + regmap = <&pmu_system_controller>; + offset = <0x3a00>; /* SYSTEM_CONFIGURATION */ + value = <0x2>; + mask = <0x2>; + }; + + reboot-mode { + compatible = "syscon-reboot-mode"; + offset = <0x810>; /* SYSIP_DAT0 */ + mode-bootloader = <EXYNOSAUTOV9_BOOT_BOOTLOADER>; + mode-fastboot = <EXYNOSAUTOV9_BOOT_FASTBOOT>; + mode-recovery = <EXYNOSAUTOV9_BOOT_RECOVERY>; + }; }; syscon_fsys2: syscon@17c20000 { -- 2.36.1 ^ permalink raw reply related [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-05-23 11:28 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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[not found] <CGME20220520115216epcas2p26c1e257460970bfecabd621bc733a85d@epcas2p2.samsung.com>
2022-05-20 11:52 ` [PATCH v2 0/2] syscon reboot/reboot_mode support for exynosautov9 Chanho Park
2022-05-20 11:52 ` [PATCH v2 1/2] dt-bindings: soc: add samsung,boot-mode definitions Chanho Park
2022-05-21 14:44 ` Krzysztof Kozlowski
2022-05-23 11:28 ` Chanho Park
2022-05-20 11:52 ` [PATCH v2 2/2] arm64: dts: exynoautov9: add syscon reboot/reboot_mode support Chanho Park
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