From 10b6ea0959de2c42b9f105c88b51a54c4dd961c2 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Mon, 19 Sep 2016 22:21:28 +0100 Subject: [PATCH] MIPS: Malta: Use syscon-reboot driver to reboot Make use of the generic syscon-reboot driver to reboot the Malta board, reducing the amount of platform code it requires. Signed-off-by: Paul Burton Cc: Stephan Linz Cc: Jacek Anaszewski Cc: Bartlomiej Zolnierkiewicz Cc: Rob Herring Cc: Mark Rutland Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14279/ Signed-off-by: Ralf Baechle --- arch/mips/boot/dts/mti/malta.dts | 12 ++++++++++++ arch/mips/configs/malta_defconfig | 2 ++ arch/mips/configs/malta_kvm_defconfig | 2 ++ arch/mips/configs/malta_kvm_guest_defconfig | 2 ++ arch/mips/configs/malta_qemu_32r6_defconfig | 2 ++ arch/mips/configs/maltaaprp_defconfig | 2 ++ arch/mips/configs/maltasmvp_defconfig | 2 ++ arch/mips/configs/maltasmvp_eva_defconfig | 2 ++ arch/mips/configs/maltaup_defconfig | 2 ++ arch/mips/configs/maltaup_xpa_defconfig | 2 ++ arch/mips/mti-malta/malta-reset.c | 15 ++------------- 11 files changed, 32 insertions(+), 13 deletions(-) diff --git a/arch/mips/boot/dts/mti/malta.dts b/arch/mips/boot/dts/mti/malta.dts index 48783b13f889..f604a272d91d 100644 --- a/arch/mips/boot/dts/mti/malta.dts +++ b/arch/mips/boot/dts/mti/malta.dts @@ -81,6 +81,18 @@ }; }; + fpga_regs: system-controller@1f000000 { + compatible = "mti,malta-fpga", "syscon", "simple-mfd"; + reg = <0x1f000000 0x1000>; + + reboot { + compatible = "syscon-reboot"; + regmap = <&fpga_regs>; + offset = <0x500>; + mask = <0x4d>; + }; + }; + isa { compatible = "isa"; #address-cells = <2>; diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig index d5d4816a1dd8..58d43f3c348d 100644 --- a/arch/mips/configs/malta_defconfig +++ b/arch/mips/configs/malta_defconfig @@ -318,6 +318,8 @@ CONFIG_LIBERTAS=m # CONFIG_SERIO_I8042 is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_FB=y CONFIG_FB_CIRRUS=y diff --git a/arch/mips/configs/malta_kvm_defconfig b/arch/mips/configs/malta_kvm_defconfig index ef6ef24c6213..c8f7e2835840 100644 --- a/arch/mips/configs/malta_kvm_defconfig +++ b/arch/mips/configs/malta_kvm_defconfig @@ -331,6 +331,8 @@ CONFIG_LIBERTAS=m # CONFIG_SERIO_I8042 is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_FB=y CONFIG_FB_CIRRUS=y diff --git a/arch/mips/configs/malta_kvm_guest_defconfig b/arch/mips/configs/malta_kvm_guest_defconfig index 3a49a770eb41..d2f54e55356c 100644 --- a/arch/mips/configs/malta_kvm_guest_defconfig +++ b/arch/mips/configs/malta_kvm_guest_defconfig @@ -331,6 +331,8 @@ CONFIG_LIBERTAS=m # CONFIG_SERIO_I8042 is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_FB=y CONFIG_FB_CIRRUS=y diff --git a/arch/mips/configs/malta_qemu_32r6_defconfig b/arch/mips/configs/malta_qemu_32r6_defconfig index 65f140e1e872..cbf37dd0c490 100644 --- a/arch/mips/configs/malta_qemu_32r6_defconfig +++ b/arch/mips/configs/malta_qemu_32r6_defconfig @@ -132,6 +132,8 @@ CONFIG_LEGACY_PTY_COUNT=4 CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_HW_RANDOM=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_FB=y CONFIG_FIRMWARE_EDID=y diff --git a/arch/mips/configs/maltaaprp_defconfig b/arch/mips/configs/maltaaprp_defconfig index 799c4338fd5e..35f6ba260df8 100644 --- a/arch/mips/configs/maltaaprp_defconfig +++ b/arch/mips/configs/maltaaprp_defconfig @@ -132,6 +132,8 @@ CONFIG_LEGACY_PTY_COUNT=16 CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_HW_RANDOM=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_VIDEO_OUTPUT_CONTROL=m CONFIG_FB=y diff --git a/arch/mips/configs/maltasmvp_defconfig b/arch/mips/configs/maltasmvp_defconfig index ac0eb4daf101..900f14543eeb 100644 --- a/arch/mips/configs/maltasmvp_defconfig +++ b/arch/mips/configs/maltasmvp_defconfig @@ -134,6 +134,8 @@ CONFIG_LEGACY_PTY_COUNT=4 CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_HW_RANDOM=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_FB=y CONFIG_FIRMWARE_EDID=y diff --git a/arch/mips/configs/maltasmvp_eva_defconfig b/arch/mips/configs/maltasmvp_eva_defconfig index 31846000530f..8e2738b5e180 100644 --- a/arch/mips/configs/maltasmvp_eva_defconfig +++ b/arch/mips/configs/maltasmvp_eva_defconfig @@ -137,6 +137,8 @@ CONFIG_LEGACY_PTY_COUNT=4 CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_HW_RANDOM=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_VIDEO_OUTPUT_CONTROL=m CONFIG_FB=y diff --git a/arch/mips/configs/maltaup_defconfig b/arch/mips/configs/maltaup_defconfig index a79107da0675..6dc4e309a691 100644 --- a/arch/mips/configs/maltaup_defconfig +++ b/arch/mips/configs/maltaup_defconfig @@ -131,6 +131,8 @@ CONFIG_LEGACY_PTY_COUNT=16 CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_HW_RANDOM=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_VIDEO_OUTPUT_CONTROL=m CONFIG_FB=y diff --git a/arch/mips/configs/maltaup_xpa_defconfig b/arch/mips/configs/maltaup_xpa_defconfig index 62e05eb3bb54..3d0d9cb9673f 100644 --- a/arch/mips/configs/maltaup_xpa_defconfig +++ b/arch/mips/configs/maltaup_xpa_defconfig @@ -326,6 +326,8 @@ CONFIG_LIBERTAS=m # CONFIG_SERIO_I8042 is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_SYSCON=y # CONFIG_HWMON is not set CONFIG_FB=y CONFIG_FB_CIRRUS=y diff --git a/arch/mips/mti-malta/malta-reset.c b/arch/mips/mti-malta/malta-reset.c index 2fd2cc2c5034..04d6b9c8a946 100644 --- a/arch/mips/mti-malta/malta-reset.c +++ b/arch/mips/mti-malta/malta-reset.c @@ -8,21 +8,11 @@ */ #include #include +#include #include #include -#define SOFTRES_REG 0x1f000500 -#define GORESET 0x42 - -static void mips_machine_restart(char *command) -{ - unsigned int __iomem *softres_reg = - ioremap(SOFTRES_REG, sizeof(unsigned int)); - - __raw_writel(GORESET, softres_reg); -} - static void mips_machine_halt(void) { while (true); @@ -33,12 +23,11 @@ static void mips_machine_power_off(void) mips_pm_suspend(PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF); pr_info("Failed to power down, resetting\n"); - mips_machine_restart(NULL); + machine_restart(NULL); } static int __init mips_reboot_setup(void) { - _machine_restart = mips_machine_restart; _machine_halt = mips_machine_halt; pm_power_off = mips_machine_power_off; -- GitLab