diff options
| -rw-r--r-- | drivers/power/reset/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/power/reset/Makefile | 1 | ||||
| -rw-r--r-- | drivers/power/reset/zx-reboot.c | 86 |
3 files changed, 0 insertions, 94 deletions
diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index 1737e227b16e..4d1192062508 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -258,13 +258,6 @@ config POWER_RESET_RMOBILE help Reboot support for Renesas R-Mobile and SH-Mobile SoCs. -config POWER_RESET_ZX - tristate "ZTE SoCs reset driver" - depends on ARCH_ZX || COMPILE_TEST - depends on HAS_IOMEM - help - Reboot support for ZTE SoCs. - config REBOOT_MODE tristate diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile index b4601c0a96ed..4f959b697606 100644 --- a/drivers/power/reset/Makefile +++ b/drivers/power/reset/Makefile @@ -30,7 +30,6 @@ obj-$(CONFIG_POWER_RESET_KEYSTONE) += keystone-reset.o obj-$(CONFIG_POWER_RESET_SYSCON) += syscon-reboot.o obj-$(CONFIG_POWER_RESET_SYSCON_POWEROFF) += syscon-poweroff.o obj-$(CONFIG_POWER_RESET_RMOBILE) += rmobile-reset.o -obj-$(CONFIG_POWER_RESET_ZX) += zx-reboot.o obj-$(CONFIG_REBOOT_MODE) += reboot-mode.o obj-$(CONFIG_SYSCON_REBOOT_MODE) += syscon-reboot-mode.o obj-$(CONFIG_POWER_RESET_SC27XX) += sc27xx-poweroff.o diff --git a/drivers/power/reset/zx-reboot.c b/drivers/power/reset/zx-reboot.c deleted file mode 100644 index 457950833dba..000000000000 --- a/drivers/power/reset/zx-reboot.c +++ /dev/null @@ -1,86 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * ZTE zx296702 SoC reset code - * - * Copyright (c) 2015 Linaro Ltd. - * - * Author: Jun Nie <jun.nie@linaro.org> - */ - -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/notifier.h> -#include <linux/of_address.h> -#include <linux/platform_device.h> -#include <linux/reboot.h> - -static void __iomem *base; -static void __iomem *pcu_base; - -static int zx_restart_handler(struct notifier_block *this, - unsigned long mode, void *cmd) -{ - writel_relaxed(1, base + 0xb0); - writel_relaxed(1, pcu_base + 0x34); - - mdelay(50); - pr_emerg("Unable to restart system\n"); - - return NOTIFY_DONE; -} - -static struct notifier_block zx_restart_nb = { - .notifier_call = zx_restart_handler, - .priority = 128, -}; - -static int zx_reboot_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - int err; - - base = of_iomap(np, 0); - if (!base) { - WARN(1, "failed to map base address"); - return -ENODEV; - } - - np = of_find_compatible_node(NULL, NULL, "zte,zx296702-pcu"); - pcu_base = of_iomap(np, 0); - of_node_put(np); - if (!pcu_base) { - iounmap(base); - WARN(1, "failed to map pcu_base address"); - return -ENODEV; - } - - err = register_restart_handler(&zx_restart_nb); - if (err) { - iounmap(base); - iounmap(pcu_base); - dev_err(&pdev->dev, "Register restart handler failed(err=%d)\n", - err); - } - - return err; -} - -static const struct of_device_id zx_reboot_of_match[] = { - { .compatible = "zte,sysctrl" }, - {} -}; -MODULE_DEVICE_TABLE(of, zx_reboot_of_match); - -static struct platform_driver zx_reboot_driver = { - .probe = zx_reboot_probe, - .driver = { - .name = "zx-reboot", - .of_match_table = zx_reboot_of_match, - }, -}; -module_platform_driver(zx_reboot_driver); - -MODULE_DESCRIPTION("ZTE SoCs reset driver"); -MODULE_AUTHOR("Jun Nie <jun.nie@linaro.org>"); -MODULE_LICENSE("GPL v2"); |