[PATCH] MIPS: qemu-malta: use generic syscon reset driver

[Antony Pavlov]

On Sun, 25 Apr 2021 09:35:17 +0300
Antony Pavlov <antonynpavlov at gmail.com> wrote:

ping

> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
> ---
>  arch/mips/configs/qemu-malta_defconfig |  2 ++
>  arch/mips/dts/qemu-malta.dts           | 13 +++++++++++
>  arch/mips/mach-malta/Makefile          |  1 -
>  arch/mips/mach-malta/reset.c           | 31 --------------------------
>  4 files changed, 15 insertions(+), 32 deletions(-)
> 
> diff --git a/arch/mips/configs/qemu-malta_defconfig b/arch/mips/configs/qemu-malta_defconfig
> index b9994f392c..ab3abb7a2a 100644
> --- a/arch/mips/configs/qemu-malta_defconfig
> +++ b/arch/mips/configs/qemu-malta_defconfig
> @@ -75,6 +75,8 @@ CONFIG_DRIVER_VIDEO_BOCHS_PCI=y
>  CONFIG_GPIO_MALTA_FPGA_I2C=y
>  CONFIG_PCI=y
>  CONFIG_PCI_DEBUG=y
> +CONFIG_SYSCON_REBOOT_MODE=y
> +CONFIG_POWER_RESET_SYSCON=y
>  CONFIG_FS_CRAMFS=y
>  CONFIG_FS_TFTP=y
>  CONFIG_FS_FAT=y
> diff --git a/arch/mips/dts/qemu-malta.dts b/arch/mips/dts/qemu-malta.dts
> index 32e473cac0..2d6f4a0ca3 100644
> --- a/arch/mips/dts/qemu-malta.dts
> +++ b/arch/mips/dts/qemu-malta.dts
> @@ -27,6 +27,19 @@
>  		clock-frequency = <1843200>;
>  	};
>  
> +	fpga_regs: system-controller at 1f000000 {
> +		compatible = "mti,malta-fpga", "syscon", "simple-mfd";
> +		reg = <0x1f000000 0x600>;
> +		native-endian;
> +
> +		reboot {
> +			compatible = "syscon-reboot";
> +			regmap = <&fpga_regs>;
> +			offset = <0x500>;
> +			mask = <0x42>;
> +		};
> +	};
> +
>  	gpio: gpio at 1f000b00 {
>  		compatible = "mti,malta-fpga-i2c-gpio";
>  		gpio-controller;
> diff --git a/arch/mips/mach-malta/Makefile b/arch/mips/mach-malta/Makefile
> index 0c5a7018d4..7d56f215b0 100644
> --- a/arch/mips/mach-malta/Makefile
> +++ b/arch/mips/mach-malta/Makefile
> @@ -1,2 +1 @@
> -obj-y += reset.o
>  obj-$(CONFIG_PCI) += pci.o
> diff --git a/arch/mips/mach-malta/reset.c b/arch/mips/mach-malta/reset.c
> deleted file mode 100644
> index ad0de2741b..0000000000
> --- a/arch/mips/mach-malta/reset.c
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> -/*
> - * Copyright (C) 2011 Antony Pavlov <antonynpavlov at gmail.com>
> - */
> -
> -/**
> - * @file
> - * @brief Resetting an malta board
> - */
> -
> -#include <common.h>
> -#include <io.h>
> -#include <init.h>
> -#include <restart.h>
> -#include <mach/hardware.h>
> -
> -static void __noreturn malta_restart_soc(struct restart_handler *rst)
> -{
> -	__raw_writel(GORESET, (char *)SOFTRES_REG);
> -
> -	hang();
> -	/*NOTREACHED*/
> -}
> -
> -static int restart_register_feature(void)
> -{
> -	restart_handler_register_fn("soc", malta_restart_soc);
> -
> -	return 0;
> -}
> -coredevice_initcall(restart_register_feature);
> -- 
> 2.31.1
> 


-- 
Best regards,
  Antony Pavlov